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HEAT RECOVERY STEAM GENERATORS PRIMER An …Inlet steam connection from the LP kettle boiler...

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Copyright 2009 RIC MIDDLETON, PE Document Title: HRSG Primer and Design Overview Page No.: 1 Rev. Date: 1/14/2009 HEAT RECOVERY STEAM GENERATORS PRIMER An Introductory Specification Ric Middleton, PE CONSULTING SERVICES Houston, TX USA 77375 832-334-6617 Phone
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  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 1

    Rev. Date: 1/14/2009

    HEAT RECOVERY STEAM GENERATORS

    PRIMER

    An Introductory Specification

    Ric Middleton, PE

    CONSULTING SERVICES

    Houston, TX USA 77375

    832-334-6617 Phone

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 2

    Rev. Date: 1/14/2009

    Table of Contents

    Section Page

    1. Codes & Standards. . . . . . . 3

    2. Scope of Suppy & Terminal Points. . . . . 5

    3. Owner Supplied Items . . . . . . 14

    4. Field Work Required . . . . . . 17

    5. System Descriptions . . . . . . 20

    6. Shop Assembly / Modular Construction. . . . . 33

    7. Testing and Inspection . . . . . . 36

    8. Heat Recovery Steam Generator Trim Lists . . . 38

    9. Thermal Guarantees and Performance . . . . 54

    10. Boiler Water Limits . . . . . . 72

    11. Appendix . . . . . . . . 75

    Table 1.3 Performance (Gas Turbine Load Cases)

    2A.5.1 Natural Gas Chromatograph Analysis

    Conventional and Combined Cycle Flow Diagrams

    Module Harp Construction

    Single Pressure Level and Deaerator

    Typical SCR P&ID

    HRSG Drawings

    Typical HRSG Thermal/Hydraulic Design Output

    Typical Referenced Specifications

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 3

    Rev. Date: 1/14/2009

    Codes and Standards

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 4

    Rev. Date: 1/14/2009

    1.0 Codes and Standards

    The Heat Recovery Steam Generator will be designed, manufactured, and tested in accordance

    with the latest applicable addendum of the following codes and standards:

    ASME Boiler and Pressure Vessel Code, Section I, VIII, IX, "Power Boilers"

    American National Standards Institute (ANSI)

    American Society for Testing and Materials (ASTM)

    Environmental Protection Agency (EPA)

    Institute of Electrical and Electronic Engineers (IEEE)

    American Iron and Steel Institute, AISI

    National Electrical Manufacturers Association (NEMA)

    National Fire Protection Association (NFPA)

    Occupational Safety & Health Act (OSHA)

    Scientific Apparatus Manufacturers Association (SAMA)

    Instrument Society of America (ISA)

    Boiler Water Requirements and Associated Steam Purity for Commercial Boilers, American

    Boiler Manufacturers Association (ABMA)

    HRSG Performance Testing (ANSI/ASME PTC 4.4)

    Steel Structures Painting Council (SSPC)

    National Electric Code (NEC)

    American Welding Society (AWS)

    American Institute of Steel Construction (AISC)

    Uniform Building Code (UBC)

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 5

    Rev. Date: 1/14/2009

    Scope of Suppy & Terminal Points

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 6

    Rev. Date: 1/14/2009

    2.0 Scope of Supply and Terminal Points

    The vendor shall furnish two (2) natural circulation, modular, finned water tube, heat recovery

    steam generators (HRSGs). The heat recovery steam generators shall consist of the following

    scope of supply:

    HRSG Scope of Supply

    By HRSG

    Vendor

    By

    Others

    NOT

    INCL.

    Item Description

    I HRSG PROPER

    1. Expansion Joint at HRSG Inlet X

    2. Inlet Duct X

    3. Inlet Silencer X

    4. HP Superheaters X

    5. HP Attemperator X

    6. Reheater X

    7. Reheater Attemperator X

    8. HP Evaporator X

    9. HP Economizers X

    10. IP Superheater X

    11. IP Evaporator X

    12. IP Economizer X

    13. LP Superheater X

    14. LP Evaporator X

    15. LP Economizer X

    16. LP Integral Deaerator X

    17. HP Steam Drum, Internals, & Support Structure X

    18. HP Steam Drum Enclosure X

    19. HP Drum Corrosion Allowance (1/8”) X

    20. IP Steam Drum, Internals, & Support Structure X

    21. IP Steam Drum Enclosure X

    22. IP Drum Corrosion Allowance (1/8”) X

    23. LP Steam Drum, Internals, & Support Structure X

    24. LP Steam Drum Enclosure X

    25. LP Drum Corrosion Allowance (1/8”) X

    26. LP Economizer Bypass Valve & Bypass Piping

    For Operation With CT Fired On Distillate Fuel.

    X

    27. Interconnecting Piping Between HRSG Tube

    Bundles

    X

    28. Trim and Trim Piping (Valves, PRV’s, Level

    Gauges etc.)

    X

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    Document Title: HRSG Primer and Design Overview

    Page No.: 7

    Rev. Date: 1/14/2009

    HRSG Scope of Supply

    By HRSG

    Vendor

    By

    Others

    NOT

    INCL.

    29. Controls (DCS) X

    30. Instrument Wiring To Junction Boxes and Tubing X

    31. Pressure Safety Relief Valves & Drains X

    32. PSV Silencers & Support Structure X

    33. PSV Drip Pan Elbows & Vent Stacks X

    34. Start-up Vent Valves & Drains X

    35. Start-up Vent Valve Silencers Support Structure X

    36. Sootblowers/Waterwash System Inc. Controls X

    37. Wallboxes & Bearings for Sootblowers, If Req’d X

    38. Access lanes for Sootblowers X

    39. Field Insulation - Ductwork/Casing and Joints X

    40. Steam Drum Insulation and Lagging X

    41. Deaerator Insulation and Lagging X

    42. Piping Insulation and Lagging X

    43. Platforms, Ladders, and Stairs Per G/A Drawings X

    44. Outlet Expansion Joint, - HRSG to Stack X

    II. EXHAUST BYPASS SYSTEM X

    III. DUCT BURNER SYSTEM

    1. Duct Burner - Natural Gas X

    2. Local Control Panel X

    3. Fuel Control Skid X

    4. Burner Management System X

    5. Fuel Pressure Reducing Station X

    6. Fuel Delivery System (to skid) X

    7. Piping From Fuel Control Skid to Burner X

    8. Burner Outlet Duct and Insulation System X

    9. TA Supervision (5 days) X

    IV. BLOWDOWN AND ASSOC. EQUIPMENT

    1. Blowdown Tank X

    2. Insulation and Lagging for BD Tank X

    3. BD Tank Trim and Trim Piping X

    4. Piping between HRSG and Tank X

    5. Piping between Tanks and Sewer X

    6. Tank Personnel Protection X

    7. Piping Insulation and Lagging X

    8. Cascading Blowdown System (Flash Tank)

    (Including Valves, Piping, …, etc.)

    X

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    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    HRSG Scope of Supply

    By HRSG

    Vendor

    By

    Others

    NOT

    INCL.

    V. BOILER FEED SYSTEM

    1. Feedwater and Condensate Pumps X

    2. Piping from FW Pump Outlets to Economizer

    Inlets

    X

    3. Piping from LP Storage Drum to HP & IP FW

    Pumps

    X

    4. Feedwater Regulating Valves X

    VI. CO CATALYST SYSTEM

    1. CO Spool Duct (Replaced with Future CO Duct) X

    VII. SCR CATALYST SYSTEM (NOx)

    1. Inlet and Outlet Transition Ducts As Required X

    2. Catalyst Housing X

    3. Internal Structure for Catalyst X

    4. Catalyst X

    5. Dilution Air Fans (DAF) X

    6. Monorail and Hoist for Handling Catalyst X

    7. Ammonia (NH

    3

    ) Injection Grid (AIG) X

    8. Hot Gas Recirculation Flue Gas Piping (if Req’d) X

    9. Electrical Heater (If Required) X

    10. Anhydrous Ammonia Flow Control Skid X

    11. Vaporizers for Anhydrous Ammonia System X

    12. Ammonia Storage Tank and Delivery System X

    13. Control Logic Diagrams X

    14. Local Control Panel X

    15. NOx/N03 Analyzers X

    16. Piping between AIG & Ammonia Control Skid X

    17. Ammonia Area Monitors X

    18. SCR Dummy (Spool) Duct X

    19. Piping Insulation X

    20. TA Supervision (5 days) X

    VIII OUTLET STACK & TRANSITION DUCT

    1. Outlet Stack and Transition With Sampling

    Ports/Platforms

    X

    2. Personnel Protection Around Stack (Expanded

    Metal Barriers)

    X

    3. Outlet Stack EPA Connections X

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 9

    Rev. Date: 1/14/2009

    HRSG Scope of Supply

    By HRSG

    Vendor

    By

    Others

    NOT

    INCL.

    4. Outlet Stack FAA Lighting (If Required) X

    5. Outlet Stack Silencer X

    6. Outlet Stack Closure Damper With Access

    Provisions

    X

    IX FRESH AIR FIRING SYSTEM X

    X MISCELLANEOUS

    1. CEM System X

    2. Steam Sample Coolers X

    3. Freeze Protection (Provisions Only) X

    4. Flow Model Test (Seller to Determine) X

    5. Start-up Spare Parts X

    6. Suggested Spare Parts (2 years) - (List Only) X

    7. Training (3 Days In classroom) - 10 Manuals X

    8. Erection Technical Assistance X

    9. Start-Up Technical Assistance X

    10. Performance Testing X

    11. External Piping (Outside of Section 1 Code

    Requirements From SH Outlets to 50Ft Elevation,

    Insulation By Others)

    X

    12. Instruction/Operation Manuals - 10 Manuals X

    13. Freight (FOB Jobsite -Nearest Rail Siding) X

    14. Inlet Expansion Joint Acoustical Enclosure X

    15. Grit Blasting of Drum Internal Surfaces X

    16. HRSG Chemical Cleaning X

    17. Special Tools (if required) X

    18. Freight From Port of Import to Site, If Applicable X

    19. Stainless Steel Drain Pans Below Modules

    Downstream of SCR System

    X

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 10

    Rev. Date: 1/14/2009

    HRSG Terminal Points

    Ductwork

    Outlet flange of the GT outlet expansion joint. (Expansion joint usually in HRSG Scope)

    Outlet of the HRSG stack.

    Test connections with pipe caps in the inlet duct, HRSG casing and outlet stack.

    Flanged connections for the HRSG emissions monitoring ports in the ductwork and stack.

    LP Water and Steam Large Bore Piping Interfaces

    Inlet connection of the water preheater inlet piping. Connection shall terminate

    approximately 10 feet above grade located on the same side as the condensate pump.

    Outlet connection of the LP superheater piping. Connection shall terminate at a 50 foot

    elevation as shown on the General Arrangement Drawings.

    Inlet steam connection from the LP kettle boiler (Supplied by Others). Connection shall

    terminate 10 feet below the LP steam drum.

    Boiler Feed Pump

    Outlet connection to the HP & IP pump suction piping. Connection shall terminate

    approximately 10 feet below the LP storage drum located on the same side as the

    boiler feedwater pump.

    RH Steam Large Bore Piping Interfaces

    Inlet connection of the cold reheat piping. Connection shall terminate at a 50 foot elevation

    as shown on the General Arrangement Drawings.

    Outlet connection of the hot reheat piping. Connection shall terminate at a 50 foot elevation

    as shown on the General Arrangement Drawings.

    HP Water and Steam Large Bore Piping Interfaces

    Inlet connection of the HP economizer inlet piping. Connection shall terminate

    approximately 20 feet above grade located on the same side as the HP boiler feedwater

    pump.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    Outlet connection of the HP superheater piping. Connection shall terminate at a 50 foot

    elevation as shown on the General Arrangement Drawings.

    IP Water and Steam Large Bore Piping Interfaces

    Inlet connection of the IP economizer inlet piping. Connection shall terminate

    approximately 20 feet above grade located on the same side as the IP boiler feedwater pump.

    Outlet connection of the IP superheater piping. Connection shall terminate atop the unit at

    the cold reheat interface.

    Safety Valve Vent Stacks/Silencers

    Outlet connection of all drum and main steam safety valve/vent stack silencers. Connections

    shall terminate 8 feet above the platform elevation.

    Vent Valves

    Outlet connection of second valve for all vents. All vent lines shall be double valved with

    the first valve close connected to the source and with the second valve terminating 8 feet

    above the platform elevation. Individual economizer module vents may be vented through

    the drums.

    Drain Valves-Drum Mounted Instrumentation

    Outlet connection of second valve for all drains. All drum mounted instrumentation drain

    valves shall be close coupled at the drum. The drain piping from all drum mounted

    instrumentation shall then be routed to a common drain (open funnel) pipe (approx. 4 to 6"

    dia) which shall terminate 5 feet above grade.

    Drain Valves-HRSG

    Outlet connection of second valve for all drains. All drain lines shall be double valved with

    the first valve close connected to the source and the second valve terminating approx. 5 feet

    above grade located on a common side of the HRSG unless otherwise noted.

    HP/RH Attemperator

    Inlet connection of automatic block valve for HP superheater and reheater attemperators.

    Connections shall terminate close connected to the source.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    Steam/Water Sampling

    Outlet connection of second valve for the steam and water sampling isolation valves. All

    sampling connections shall be double valved and terminate close connected to the source.

    Continuous Blowdown

    Outlet connection of second valve for continuous blowdown valves. Connection shall

    terminate at the bottom of the HRSG near grade.

    Intermittent Blowdown

    Outlet connection of second valve for all intermittent blowdown valves. Intermittent

    blowdown lines shall be double valved with both valves close connected and terminating

    approximately 3 feet above grade terminating outside the HRSG casing.

    Chemical feed

    Inlet connection of all chemical feed check valves. All chemical feed connections shall be

    double valved and terminate close connected to the steam drums.

    Nitrogen Blanketing

    Inlet connection of all nitrogen feed check valves. All nitrogen feed connections shall be

    double valved and terminate close connected to the steam drums.

    Instruments Test Connections

    Outlet connection of all instrumentation test connection isolation valves. Test connections

    shall be close connected to the source

    Instrument Connections

    All boiler instrumentation shall terminate junction boxes.

    All instrument air connections shall terminate at each individual user.

    All motors provided shall terminate at motor terminals.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    Duct Burner

    Inlet flange for the main gas and pilot gas headers located on the burner frame. Connection

    shall be located approximately 5 feet above grade.

    Inlet flange for the scanner cooling air header on the burner. Connection shall be located

    approximately 5 feet above grade.

    Inlet and outlet flanges for the main gas on the burner skid.

    Outlet flanges for the pilot gas located on the burner skid.

    Inlet flange for instrument air located on the burner skid.

    Outlet flange for the scanner cooling fans on the burner skid or scanner cooling blower skid.

    Terminal strips in burner management panel and pipe rack junction box.

    SCR System

    Inlet flanges for ammonia on the flow control skid.

    Inlet flange for instrument and service air on the flow control skid.

    Terminal strip in junction box located on flow control skid.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 14

    Rev. Date: 1/14/2009

    Owner Supplied Items

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 15

    Rev. Date: 1/14/2009

    3.0 Owner Supplied Items ( Owner Erection )

    1. Foundation design and installation as required for installation of the HRSG system

    (including ducts and stack) including grout, anchor bolts, and nuts.

    2. All utilities required during the installation and commissioning of the boiler.

    3. Installation labor and supervision for the complete erection of the boiler system.

    4. Hydrostatic test of the boiler after erection.

    5. Chemical cleaning of the boiler after erection.

    6. All necessary controls, field instruments, hardware, piping,…,etc., required to complete

    the system and not supplied with the boiler.

    7. All electrical wiring, conduit, cable trays, etc., required to tie in the system. All wiring

    shall be to the instruments.

    8. All piping required for completion of installation outside of the scope of the boiler.

    9. All motor starters and disconnects for all motors including power wiring to motors.

    (Excepting starters for dilution air fan motors which are included per the specifications)

    10. All external insulation with weather proof covering for external piping, steam drum,

    deaerator, and personnel protection up to HRSG Vendor terminal points.

    11. Final field painting.

    12. HRSG feedwater pumps, condensate pumps, and piping.

    13. Chemical pumps and piping.

    14. Complete Turbine bypass systems.

    15. Blowdown tanks, if required.

    16. Kettle Boilers ( Rotor Air Coolers ) and all associated piping from LP steam Drum to

    Kettle Boilers.

    17. Emissions monitoring equipment (if required).

    18. Piping to connect the duct burner flow control skid to the HRSG.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    19. Ammonia storage tanks, pumps, pumping skid, and piping to flow control skid.

    20. Piping to connect the ammonia flow control skid to the HRSG.

    21. Off-loading of equipment from truck and site deliveries.

    22. All piping not included with the HRSG.

    23. Addition of fans (if required) to provide the minimum flow requirements of NFPA prior

    to combustion turbine ignition.

    24. Feedwater regulating valves and bypass valves.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 17

    Rev. Date: 1/14/2009

    Field Work Required

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 18

    Rev. Date: 1/14/2009

    4.0 Field Work Required

    Installation of grouting for base plates furnished by HRSG Vendor for boiler sections and

    duct. Foundation, anchor bolts, grout, and nuts are by others.

    Installation of main support steel columns, main beams, and heating surface top support

    members.

    Installation of HRSG casing.

    Installation of duct burner and associated equipment.

    Installation of the CO and SCR housings and internals and duct external equipment.

    Installation of CO and SCR Catalyst.

    Installation of module harps and crossover piping between module headers.

    Installation of additional collector headers and interconnecting piping, if required.

    Installation of the steam drums and deaerator.

    Installation of miscellaneous vents and drains.

    Installation of boiler trim piping, valves, fittings, and instrumentation.

    Installation of outlet duct and stack.

    Installation of inlet expansion joint and round to square duct transition piece. The expansion

    joint and duct transition piece is not in HRSG Vendor’s scope.

    Installation of HRSG inlet duct.

    Insulating of hot surfaces for thermal barrier and personnel protection including external

    piping, steam drums, deaerator, EPA stack test port, etc.

    Field finish painting of structural components, boiler casing, ducts, stack, and all other

    unfinished components.

    Installation of all inter-connecting piping not included with the HRSG.

    Installation of platforms, ladders, and stairways.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    Electrical/Air tie-ins as required for controls, motors, operators, etc., to complete the system.

    Hydro test pressure parts.

    * Module harp is shop assembled heating surface module comprising two headers with 1-3 rows

    of tubes welded to the headers and shop hydrotested prior to shipment to the jobsite.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    System Descriptions

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

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    Rev. Date: 1/14/2009

    5.0 System Descriptions

    Duct Burner

    The HRSG Vendor proposes to furnish the following described duct burner system as

    manufactured by either Coen, Forney, or equal.

    Natural Gas Fired Duct Burner Assembly

    The burner will consist of horizontal elements designed for a maximum heat release of 187

    MMBtu/hr. (LHV). The elements will be housed in a rigid steel frame shop installed with

    ceramic fiber and lined with stainless steel.

    The burner frame assembly will include the following components:

    Main gas piping header pre-assembled on burner frame terminating with one inlet flange

    Pilot gas piping header pre-assembled on burner frame terminating with one inlet flange

    Scanner cooling air distribution headers pre-assembled on burner frame terminating with one

    inlet flange

    Interruptible spark ignited gas pilots.

    Pilot ignition transformers

    Two ( 2) self checking Flame scanners per burner element.

    Piping Rack Assembly

    The rack assembly will consist of the following components mounted to a rigid steel frame with

    all electrical devices pre-wired to a NEMA 4 electrical enclosure:

    Pilot piping train with an inlet strainer, pressure regulator, two (2) safety shut-off valves,

    vent valves, and gas plug cock.

    Main fuel piping train with a one (1) flow control valve, one (1) gas plug cock, two (2)

    Pneumatic safety shut-off valves and one (1) pneumatically actuated safety valve.

    One (1) set of pressure gauges for main gas supply pressure, main gas header pressure, pilot

    gas pressure, scanner cooling air pressure and instrument air pressure.

    Flame Safety System

    The flame safety system is designed for automatic-manual supervisory startup from the NEMA 4

    control panel. The system includes all components as recommended by NFPA 8501. The flame

    safety control enclosure will have the necessary indicating lights, switches, pushbuttons, meters,

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    Rev. Date: 1/14/2009

    and annunciators mounted on the front panel. Safety interlocks will be included to insure the

    proper operation of the system.

    Scanner Cooling Air Blowers

    Two (2) scanner cooling air blowers will be furnished complete with drive motors, air filters, air

    check valves, and flex connectors. The blowers and their accessories will be mounted on a

    common skid and piped to a common outlet. Motor starters are not included.

    Burner Outlet Duct

    The Company will design and furnish the outlet duct generally as shown on the proposal

    drawing. The duct will be fabricated from 1/4" A-36 carbon steel plate and reinforced with

    structural steel members seal welded to casing thus providing an all-welded construction,

    designed for 20" w.g. internal pressure. The duct will have an 18" x 24" access door, test

    connections as required.

    The duct shall be provided with shop installed internal insulation covered by a stainless steel

    liner. The ductwork shall be shipped in "donuts", "C-sections" or "flat panels" based on final

    shipping clearances for unescorted truck shipments.

    Observation Ports

    The burner outlet duct will be furnished with observation ports downstream of the burner. The

    ports will be located on two sides of the duct and will be provided with platforms and stairs for

    accessing observation ports and burner scanners.

    Inlet Ducts

    The HRSG Vendor will design and furnish the gas inlet duct generally as shown on the proposal

    drawing. The duct will be fabricated from 1/4" A-36 carbon steel plate and reinforced with

    structural steel members seal welded to casing thus providing an all-welded construction,

    designed for 20" w.g. internal pressure. The duct will have an 18"x24" access door, test

    connections as required, and drain connections.

    The inlet duct shall be provided with shop installed internal insulation covered by a stainless

    steel liner. The ductwork shall be shipped in "donuts" or "C-sections" or "flat panels" based on

    final shipping clearances for unescorted truck shipments.

    The inlet duct will be furnished without a Turbine Exhaust duct Expansion joint which will be

    provided by the Gas Turbine supplier. The HRSG Vendor will provide an inlet flange on the

    HRSG inlet duct with inside flange dimensions to match CTG outlet flange dimensions.

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    Superheater Design and Construction

    Superheaters will be constructed of modules consisting of finned tubes welded to top and bottom

    headers, one or two rows per module, designed for single pass flow on the gas side and multipass

    flow on the tube side. Interconnection of modules will be by multiple 180 bent tubes of similar

    material as header.

    Sets of modules will be placed side-by-side in order to minimize draft loss. Steam shall be fed to

    each set for parallel flow and will be manifolded at the outlet.

    The superheater modules shall be equipped with low point drains for a "fully drainable" design.

    The superheater outlet shall be equipped with a vent for start-up.

    The inlet and outlet piping shall be selected based on steam design pressure and design

    temperature. The outlet shall be terminated with a single, butt-weld connection.

    Reheater Design and Construction

    The reheater will be constructed of modules consisting of finned tubes welded to top and bottom

    headers, two rows per module, designed for single pass flow on the gas side and single pass flow

    on the tube side. Interconnection of modules will be by multiple 180 bent tubes of similar

    material as header.

    The reheater modules shall be equipped with low point drains for a "fully drainable" design. The

    reheater outlet shall be equipped with a vent for start-up.

    The inlet and outlet piping shall be selected based on steam design pressure and design

    temperature. The outlet shall be terminated with a single, butt-weld connection.

    Attemperators

    Spray attemperators shall be utilized to control the final steam temperature as required. For this

    application, interstage spray attemperators shall be used for the high pressure superheater and

    reheater. The attemperator shall consist of a spray nozzle with a separate control valve as

    described in the HRSG Trim & Instrument list.

    The attemperation piping shall be furnished and will be designed with an internal sleeve

    downstream of the spray nozzle to protect against thermal shock.

    Evaporators

    The evaporators will be constructed of modules consisting of finned tubes welded into top and

    bottom headers, two or three rows per module harp. The drum water is fed to the bottom header

    through the downcomer, lower feeder header, and feeder tubes. The steam/water mixture

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    produced in each module is piped to the steam drum by the riser tubes. The downcomer, feeder

    header, feeder tubes, and riser tubes are all designed to ensure proper circulation in each module.

    Steam Drums

    The steam drum will be of fusion welded construction, made from 70,000 lbs/sq. in. tensile

    strength, ASME Specification No. SA-516, Gr. 70 or SA-299. Drum heads will be

    hemispherical or elliptical. Each head will have a forged steel hinged manway with bolts,

    arches, and two (2) sets of gaskets (one spare).

    The HP, IP, and LP drums are furnished with stub tube connections for riser tubes & superheater

    feeder tube connections. Riser tubes for the LP system will be fabricated from SA-213 T-11 or

    T-22 material. The HRSG Vendor shall provide a system of shop installed steam purification

    equipment. Drum internals for superheated steam will consist of removable baffles, centrifugal

    separators and final scrubbers. All internals will be constructed of carbon steel. For pressure

    levels which supply saturated steam to a deaerator or other process, the drum internals will

    consist of baffles and a dry box.

    Deaerator

    The HRSG Vendor shall supply an integral deaerator to be mounted atop the LP steam drum.

    The deaerator shall be designed by Sterling, Crane Cochrane, Kansas City Heater, or customer

    approved equal. The deaerator shall be designed to reduce the oxygen content of the feedwater

    to .005 ml/l by volume. Deaerator tray supports, baffles, impingement plates, and tray enclosure

    will be fabricated from 304L stainless steel materials. The spray nozzles shall be made from 316

    stainless steel. The deaerator trays will be 430 stainless steel. the outer shell will be SA-516 Gr.

    70 material. All internals will be factory installed.

    Economizers

    The economizers will be constructed of modules, consisting of finned tubes welded to top and

    bottom headers, two or three rows per module, designed for single pass flow on the gas side and

    multipass flow on the tube side. For the proposed double wide HRSG, sets of modules will be

    arranged side-by-side to provide greater gas side flow area and minimize draft loss.

    The economizer modules shall be equipped with high point, 3/4" vents, and low point, 1" drains

    for a "fully drainable" design. The modules shall be interconnecting with multiple 180 bent

    tubes of similar material as tubes. The inlet to the economizers shall terminate with a single butt-

    weld connection.

    Interconnecting Piping

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    All piping required to interconnect the HRSG sections shall be supplied. All piping shall be

    provided with required supports. All included small bore pipe 2" and smaller shall be provided

    in random lengths for field installation.

    Outlet Stack

    The HRSG Vendor will furnish an integral 19’-0” inside diameter outlet stack terminating

    approximately 126 ft. from grade. The stack will be fabricated from 1/4" min. thick A-36 carbon

    steel plate with exterior steel seal welded to the last HRSG module boxes. The stack will be

    equipped with an 18"x24" access door, the required EPA test connections, access platforms and

    ladders, expanded metal personnel protection at grade and at observation deck, and surface

    preparation and prime painting as specified.

    HRSG Casing

    The HRSG casing shall be constructed of 1/4", A-36 carbon steel casing externally reinforced

    with structural steel. All structural steel shall be seal welded to the casing to prevent corrosion

    behind the structurals. The casing shall be designed for an internal pressure +20" w.c. The

    casing shall be internally lined with blanket insulation covered by a stainless steel liner. In areas

    not directly in the gas path (top and bottom casing), expanded metal or equal shall be utilized.

    Access Lanes and Doors

    The HRSG Vendor shall furnish a suitable number of access lanes between appropriate tube

    banks of the boiler, superheater, and economizer sections. Each lane shall be equipped with an

    18"x24" cast iron access manway. Access lanes downstream of the SCR system shall be

    furnished with an access clearance dimension of 30" minimum.

    Access doors are provided on both sides of the units in the area of the heat transfer surfaces.

    Access doors are provided on only one side of the unit in the inlet duct, stack and spool pieces.

    Platforms, Ladders, and Stairways

    The HRSG Vendor will design and furnish a system of galvanized platforms, grating, ladders,

    and stairway generally as shown on the proposal drawing for access to the boilers and steam

    drums. The platforms will be of the open grid type with pipe handrails. The ladders will be

    equipped with safety cages. All platforms, ladders, and stairways shall comply with OSHA

    Regulations. Weld clips for platforms shall be field installed to ensure proper fit-up.

    Painting (Shop Coat)

    The HRSG Vendor shall sandblast (SSPC-SP6) and paint all ductwork / module boxes with one

    coat of Valspar Uni-Pak Inorganic Zinc Primer. Major field weld joints shall be masked off and

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    provided unpainted. Masking shall be removed prior to welding. Small areas, i.e., for weld

    clips, shall be painted. Paint shall be removed by installer prior to welding.

    A detailed list of the equipment with sandblast requirements and coating is as follows:

    Equipment Sandblast Coating

    HRSG Inlet Duct SSPC-SP-6 1 Coat of Primer

    HRSG Module Boxes SSPC-SP-6 1 Coat of Primer

    HRSG Steam Drums SSPC-SP-6 1 Coat of Carboline Rustbond

    HB or equal

    HRSG Platform Grating SSPC-SP-6 Galvanized

    Stairs & Ladders

    HRSG Platforms Handrails SSPC-SP-6 Galvanized

    HRSG Platform Support Steel SSPC-SP-6 Galvanized

    CO/SCR Converter Housing SSPC-SP-6 1 Coat Primer

    Misc. Support Steel SSPC-SP-6 1 Coat Primer

    HRSG Major Piping Spool SSPC-SP-6 1 Coat of Carboline Rustbond

    HB or equal

    HRSG Outlet Stack (Exterior) SSPC-SP-6 1 Coat Primer

    HRSG Outlet Stack (Interior) SSPC-SP-6 1 Coat CZ-11

    Stack Corrosion Protection

    Insulation and Liner

    All internal insulation shall be designed to provide a casing surface temperature of 140F based

    on a 100F ambient and a 5 MPH wind. Selected small localized areas can be expected to

    exceed the design skin temperature requirement. These small areas would include casing test or

    instrumentation connections, support attachment points for flow distribution devices and similar

    areas. The Vendor’s HRSG design will minimize on a practical basis the skin temperature

    excursion.

    HRSGs that are "walled in," should be provided with fresh air to maintain the required ambient.

    The air must be provided at, or very near, the ground level so that the bottom of the unit has

    ample fresh air to maintain natural convection currents and does not become a region of high

    temperature stagnant air with a resulting high surface temperature. Insulation design data is

    included in the Technical Data section of this proposal.

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    High Pressure Steam Drum

    Operating Pressure 1620 PSIG

    Design Pressure 2300 PSIG

    Drum I.D. 72 in.

    Shell Length 40’-0”

    Plate Material SA-299

    Plate Thickness (Estimated) 5.125"

    Drum Heads Hemi-spherical

    No. Manholes 2

    Size of Manholes 14" x 18"

    Normal Water Level 4 (in. above CL of Drum)

    High Water Level 13(in. above NWL)

    Low Water Cutoff 28 (in. below NWL)

    Drum Storage Time 5.5 Minutes (min.) (from burner trip to low water

    cutoff based on max. unfired steam flow

    Internals Centrifugal Separators and Chevron Scrubbers

    Intermediate Pressure Steam Drum

    Operating Pressure 390 PSIG

    Design Pressure 650 PSIG

    Drum I.D. 54 in.

    Shell Length 40’-0”

    Plate Material SA-516 Gr. 70

    Plate Thickness (Estimated) 1.125"

    Drum Heads Hemi-Ellipsoidal

    No. Manholes 2

    Size of Manholes 14" x 18"

    Normal Water Level zero (in. below CL of Drum)

    High Water Level 7 (in. above NWL)

    Low Water Cutoff 19 (in. below NWL)

    Drum Storage Time 8.3 Minutes (min.) (from normal water level to dry

    Internals Centrifugal Separators and Chevron Scrubbers

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    Low Pressure Steam Drum

    Operating Pressure 72 PSIG

    Design Pressure 150 PSIG

    Drum I.D. 84 in.

    Shell Length 40’-0”

    Plate Material SA-516 Gr. 70

    Plate Thickness (Estimated) .625"

    Drum Heads Hemi-ellipsoidal

    No. Manholes 2

    Size of Manholes 14" x 18"

    Normal Water Level 16.8 (in. below CL of Drum)

    High Water Level 23 (in. above NWL)

    Low Water Cutoff 34 (in. below NWL)

    Drum Storage Time 5.3 Minutes (min.) (from normal water level to dry)

    Internals Baffles and dry pipe.

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    SCR System

    The HRSG Vendor proposes to furnish the following described SCR system as manufactured by

    either Mitsubishi, Peerless, or equal.

    The SCR scope of supply provided by The HRSG Vendor is detailed below:

    SCR Catalyst capable of reducing NOx as shown on the guarantee page.

    Catalyst housing and internal supports.

    Inlet and outlet transition ducts, as required.

    Ammonia flow control skid complete with accessories as defined below.

    Ammonia injection grid.

    Ammonia distribution header adjacent to the ammonia injection grid including flow control

    dampers, flow orifices, and manometers.

    Interconnecting piping between the distribution header and the AIG connections.

    Distribution header will be located at the base of the HRSG.

    Catalyst loading doors.

    Instrumentation as shown on the SCR P&ID.

    Used catalyst disposal after receipt of the catalyst at the manufacturing plant.

    SCR Catalyst emission is guaranteed for 36 months from date of first use but no later than 42

    months after delivery of the catalyst to the jobsite.

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    Ammonia Flow Control Skid

    The ammonia flow skid will include the following equipment:

    Ammonia vaporizer with air atomizing nozzle.

    Hot gas piping and dampers.

    2 x 100% dilution air fans with motors with motor starters.

    Flow orifices and transmitter for aqueous ammonia flow and dilution gas flow.

    Aqueous ammonia flow control valves.

    Shut-off valves with solenoid valves for the aqueous ammonia and atomizing air.

    Local pressure and temperature gauges.

    Pressure switches for atomizing air.

    Electrical terminal point junction box.

    Air conduit piping.

    Aqueous ammonia piping and valves.

    Atomizing air piping and valve.

    NOTE: Interconnecting HRSG piping will be routed so that no interference’s will be present for

    catalyst loading.

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    CO Catalyst

    The HRSG Vendor proposes to furnish the following described CO system as manufactured by

    Engelhard, Johnson Mathey or equal.

    The scope of supply for the CO catalyst system consist of the following:

    CO Catalyst

    Catalyst housing and internal supports

    Inlet and outlet transition ducts, as required

    Catalyst loading doors

    Used catalyst disposal after receipt at the manufacturing plant

    The catalyst's emissions guarantee is based upon a period of 36 months after the date of the first

    use, but no later than 42 months after delivery of the catalyst to the jobsite. Poisons which would

    void or alter this guarantee are phosphorus, zinc, lead, vanadium, chlorine, silicon, and arsenic.

    Water Wash Hoppers

    The HRSG Vendor will furnish water wash drain pans in module boxes downstream of the SCR

    converter.

    The water wash pans will be fabricated from 16 Ga. Type 304SS plate. Water wash pans are

    located below the HRSG heating surface and are designed to protect the bottom casing

    insulation. Water wash pans are furnished with one 3" capped pipe connection, which terminates

    below the bottom casing.

    HRSG Outlet Expansion Joint Safety Shroud

    The HRSG Vendor will provide a 10 Ga. Safety shroud on the sides of the HRSG outlet

    expansion joint.

    SafetyValve and Superheater Vent Silencers

    The HRSG Vendor shall furnish silencers and interconnecting piping for the safety valves and

    superheater vent valves. The silencers shall be designed to reduce the noise level at 3 ft. from

    the silencer outlet to a maximum of 103 dBA at 3 ft. from the silencer outlet.

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    Allowable Loads (On Piping)

    It is The HRSG Vendor’s standard practice to design based on no nozzle loads being imposed on

    connections by customers piping. The HRSG Vendor will investigate specific loads requested

    and advise of their acceptability.

    Some customers have requested what constitutes a reasonable load that could be imposed. It is

    noted that our position of acceptance of loads is unchanged and the following is a guide only of

    reasonable loads.

    NOZZLE SIZE

    (I. P. S.)

    MAX. FORCE IN

    ONE DIRECTION

    Fx, Fy, or Fz

    MAX. RESULTANT

    FORCE

    (Fx

    2

    + Fy

    2

    + Fz

    2

    )

    1/2

    MAX. RESULTANT

    MOMENT

    (Mx

    2

    + My

    2

    + Mz

    2

    )

    1/2

    4 in 600 lbf 800 lbf 2000 ft - lb

    6 in 900 lbf 1200 lbf 5300 ft - lb

    8 in 1200 lbf 1600 lbf 10500 ft - lb

    10 in 1500 lbf 2000 lbf 18600 ft - lb

    12 in 1800 lbf 2400 lbf 27300 ft - lb

    14 in 2100 lbf 2800 lbf 33200 ft - lb

    16 in 2400 lbf 3200 lbf 43800 ft - lb

    18 in 2700 lbf 3600 lbf 55900 ft - lb

    20 in 3000 lbf 4000 lbf 69400 ft - lb

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    Shop Assembly / Modular Construction

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    6.0 Shop Assembly / Modular Construction

    The HRSG Vendor proposes a modular construction design for the HRSG to minimize the field

    erection time.

    The modular construction consists of the following:

    Inlet Duct - Inlet ducts are shipped in “flat panels” and/or "C” sections as determined by final

    shipping clearances for unescorted truck shipments to the jobsite. Internal insulation and

    stainless steel liner at the field joints must be installed in the field. These field joints are

    furnished with 2” sky climber ports in the top panels of the inlet duct for use during construction.

    Module Harps - The heating surface consists of the standard “module harp” design. Each

    “module harp” consists of two or three rows of tubes with top and bottom headers. The tubes are

    welded to the headers using full strength welds.

    Module Bundles – Assemblies of two or more module harps with interconnecting piping

    installed. Limited structural members are included for bundle support during shipment and for

    permanent installation. Top casing and penetrations are sometimes included. Maximum

    shipping dimensions and weights are approached.

    Module Boxes – Module Bundles with HRSG outer casing and support steel installed.

    Additional support steel is required for shipment and must be removed prior to final assembly.

    Nearly all internal and interconnecting piping is installed. Module Boxes represent the

    maximum degree of shop assembly.

    Steam Drum - the internal surface of the drums are grit blasted prior to installation of internals.

    Steam drums are shipped with shop installed internals and riser tube stubs.

    Casing - Casings will be constructed of ¼ inch, minimum, A-36 carbon steel plate externally

    reinforced with structural steel stiffeners. All stiffeners will be seal welded to the casing to

    prevent corrosion behind the structurals. The casings and ductwork will be designed for an

    internal pressure of +/- 20 in. w.c.

    All casings will be internally lined with blanket insulation covered by 16 Ga., minimum, 409

    stainless steel liner panels, held in place by 3/8” diameter studs. In areas not directly in the gas

    path (top and bottom casing), expanded metal, or equal, will be utilized to support and retain the

    insulation. Stainless steel bellows seals will be provided where piping or support rods penetrate

    the casing. Casing drains will be furnished. Drain piping will terminate in convenient collection

    points at the side of the unit.

    Support Steel - HRGS main support steel, columns, beams and baseplates will be carbon steel to

    AISC requirements. Base plates will have lateral expansion provisions where required. All

    pressure part heating surface is top supported from adjustable support rods with clevises, which

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    connect between intermediate top steel members and are pinned to support lugs on the module

    harp upper headers.

    Platforms, Ladders, and Stairs - Platforms, ladders and stairs will be assembled into sections (as

    large as practical) as determined by final shipping clearance for unescorted truck shipments to

    the job site. Platform grating will be shop installed. Typical sizes for these items are as follows:

    Platform section with grating attached: 8’0” wide (max.) x 20’ long.

    Handrails with toe plates attached: 20’ long

    Stair stringer assemblies with steps shop installed

    Ladders: 20’ long

    Stack - The stack and stack inlet breaching will be fabricated in sections as determined by

    shipping clearances for unescorted truck shipments to the jobsite.

    Large Bore Piping Spools (2-1/2” & Larger) - Large bore piping spools will be shop assembled

    in sections as follows:

    Superheater & Economizer Inlet & Outlet Headers - All inlet and outlet headers will have

    shop installed stubs to connect the header to the HRSG. The ends of the stubs will be

    beveled and coated with an anti-corrosion material. For single wide units, the headers will be

    shipped in one piece.

    For double and triple wide units, the headers will be shipped in two pieces. One piece will be

    furnished with the end beveled and coated. The other piece will be shipped with extra

    material for field cutting as required.

    Interconnecting Piping & Attemperator Loops - Interconnecting piping and attemperator

    loops will be provided in spools with extra material on one end to allow for field fit-up.

    Large Bore Valves - All steam outlet large bore valves shall be field installed. Feedwater

    control valve stations shall have all valves shop assembled.

    Isometric drawings of each piping assembly will be provided.

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    Testing and Inspection

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    7.0 Testing and Inspection

    Testing During Fabrication

    Module Harp Assembly Non-ASME stamp hydrostatic test of each module harp

    Steam Drums 100% radiography of all seam and circumferential welds

    Downcomer & Feeder

    Header

    100% radiography of all seam and circumferential welds as

    required by ASME Code

    Butt Welds 100% radiography of all butt welds

    Inspection and Shop Certificates

    The Purchaser has the right to inspect the module boiler and parts thereof during fabrication to

    insure the properly prepared materials in accordance with the proposal and to assure that proper

    fabrication procedures are used.

    Certificates of shop inspection written by Commercial Union Insurance Co. and Manufacturer's

    ASME Code Data Sheet shall be furnished for the heat recovery boiler system.

    All Section I and Section VIII vessels will be stamped with a NBBI number as required by the

    ASME and local codes.

    The HRSG Vendor shall submit a fabrication schedule to permit the Purchaser to select suitable

    items for inspection and shall give at least one week's notice before factory tests are to be made.

    Flow Model Testing

    The flow model test will be conducted on a 1/12 scale model of the HRSG and inlet and outlet

    duct between The HRSG Vendor terminal points.

    The owner shall furnish a scale model of the gas turbine outlet and provide the gas velocity

    profile and the angle of rotation of the exhaust gas at the inlet terminal point.

    This option includes a flow model test procedure, draft report, and final report

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    Heat Recovery Steam Generator Trim Lists

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    8.0 Heat Recovery Steam Generator Trim Lists

    Notes

    1. The safety valves will be furnished with gags, vents, stacks, and supports. Safety valves shall

    be manufactured by Consolidated, Farris, or Crosby.

    2. Double block to be achieved by manifolding and using one valve for second valve.

    3. The suppliers named in the trim list are to indicate the quality of equipment proposed. The

    Company reserves the right to substitute equal or superior quality equipment to those names.

    Factory Setting Vs. Field Setting of Safety Valves

    Every safety valve is set and adjusted on steam before shipment from the factory. Blowdown

    adjustments are made as carefully and accurately as possible on the factory test boiler. However,

    it must be recognized that actual field operating conditions may vary considerably from factory

    test conditions.

    Conditions beyond manufacturer's control that affect safety valve operation are:

    1. Quality of steam being discharged.

    2. Discharge piping stresses and back pressure.

    3. Ambient temperature.

    4. Shipping or storage damage.

    5. Improper gagging.

    6. Improper bolting of flanges.

    7. Damage due to foreign material in the steam.

    It is the responsibility of the Purchaser to procure the services of the safety valve manufacturer or

    a safety valve assembly company certified by ASME to use "V" stamp, to perform final safety

    valve adjustments in the field.

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    TYPICAL PROCESS VALVE &

    EQUIPMENT LIST

    Description Manuf. Size Class Type Mat'l Model #

    H.P.

    Superheater

    START-UP VENT VALVE FISHER 6" 2500 GLOBE A351 CF8M Model EHD w/

    Electr. Act.w/

    WHIII. Trim

    (Sized for 192666

    #/hr @ 690 F &

    832 psig; Valve

    LpA=94.2 dBA)

    START-UP VENT BLOCK

    VALVE

    PACIFIC 6" 2500 GATE A217 C12A 55425H-7-C12A-

    WE-BG

    SAFETY VALVE CONSOLID 2.5"x6" 2500 PSV A182 F91 1739WF

    STARTUP VENT/PSV

    SILENCER

    FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 71-68-1603

    (designed for 105

    dbA @ 3 ft.)

    MAIN STEAM STOP VALVE PACIFIC 12" 2500 GATE A217 C12A 55425H-7-C12A-

    WE-E

    MAIN STEAM NRV VALVE PACIFIC 12" 2500 STOP-

    CHECK

    A217 C12A 59525H-7-C12A-

    WE-HB

    MAIN STEAM DRAIN VALVE

    (x2)

    EDWARD 1" 1690 GLOBE A182 F91 D36124/MOV

    PRESS GAUGE ISOL (x2) EDWARD 1" 1690 GLOBE A182 F91 D36124

    PRESS GAUGE TEST/BLEED AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    HP SH #1 MODULE VENT

    (x2)

    EDWARD 3/4" 1690 GLOBE A182 F91 D36124

    HP SH #4 MODULE VENT

    (x2)

    VOGT 3/4" 1690 GLOBE A105 SW1510

    HP SH MODULE DRAIN VLV

    (x4)

    EDWARD 1-1/2" 1690 GLOBE A182 F91 D36124

    HP SH MODULE DRAIN VLV

    (x4)

    EDWARD 1-1/2" 2680 GLOBE A182 F91 D36124/MOV

    SH FEEDER VENT (x2) VOGT 3/4" 1690 GLOBE A105 SW1510

    SAT STEAM SAMPLE ISOL

    (x2)

    VOGT 3/4" 1690 GLOBE A105 SW1510

    SAT STEAM SAMPLE ISOL

    (x2)

    VOGT 3/4" 1690 GLOBE A105 SW1510

    MAIN STEAM HEADER VENT

    (x2)

    EDWARD 3/4" 1690 GLOBE A182 F91 D36124

    MAIN STEAM SAMPLE

    VALVE (x4)

    EDWARD 3/4" 1690 GLOBE A182 F91 D36124

    PRESS XMTR ISOL (x2) VOGT 1" 1690 GLOBE A182 F22 SW1522

    H.P. Superheater

    Attemperator

    SPRAYWATER ISOL VOGT 2" 2500 GATE A182 F22 SW66773/MOV

    SPRAYWATER CHECK

    VALVE

    VOGT 2" 1690 CHECK A182 F22 SW1622

    HP SH INTERSTAGE ATTMP

    CNTRL VALVE

    YARWAY 1.5" 2500 GLOBE A182 F347 TEMPLOW, Type

    4332-C9

    SPRAYWATER LINE DRAIN

    VALVE (x2)

    VOGT 1" 1690 GLOBE A182 F22 SW1522

    ATTMP LOOP VENT (x2) VOGT 3/4" 1690 GLOBE A182 F22 SW1522

    ATTMP LOOP VENT (x2) VOGT 3/4" 1690 GLOBE A182 F22 SW1522

    ATTMP LOOP DRAIN VOGT 1" 1690 GLOBE A182 F22 SW1522

    ATTMP LOOP DRAIN VOGT 1" 1690 GLOBE A182 F22 SW1522/MOV

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    PRESS XMTR ISOL (x2) VOGT 1" 1690 GLOBE A182 F22 SW1522

    H.P.

    Evaporator

    SAFETY VALVE CONSOLID 2.5"x6" 2500 PSV A216 WCB 1739WF

    SAFETY VALVE CONSOLID 3"x6" 2500 PSV A216 WCB 1759WF

    PSV SILENCER FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 71-80-1819

    (designed for 105

    dbA @ 3 ft.)

    N2 BLOCK VALVE VOGT 1" 1690 GLOBE A105 SW1510

    NITROGEN FILL VALVE VOGT 1" 1690 STOP CHK A105 SW1510 MOD

    N2 PURGE BLOCK VALVE VOGT 1" 1690 GLOBE A105 SW1510

    N2 PURGE VENT VALVE VOGT 1" 1690 GLOBE A105 SW1510/MOV

    PRESS GAUGE ISOL (x2) VOGT 1" 1690 GLOBE A105 SW1510

    PRESS GAUGE TEST COCK AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    PRESS XMTR ISOL (x2) VOGT 1" 1690 GLOBE A105 SW1510

    WATER SAMPLE ISOL (x2) VOGT 1" 1690 GLOBE A105 SW1510

    CONT BD LINE BLOCK VOGT 2" 1690 GLOBE A105 SW1510

    CONT BLOWDOWN VALVE YARWAY 1" 1700 GLOBE A182 F22 5817A HY-DROP

    LVL XMTR ISOL (x4) VOGT 1" 1500 GATE A105 SW15801

    REMOTE LEVEL GAUGE

    ISOL (x4)

    VOGT 1-1/2" 1500 GATE A105 SW15801

    WATER COLUMN DRAIN (x2) VOGT 3/4" 1690 GLOBE A105 SW1510

    LVL GAUGE DRAIN VOGT 3/4" 1690 GLOBE A105 SW1510

    CHEMICAL FEED CHECK

    VALVE

    VOGT 1" 1690 CHECK A-105 SW1610

    CHEMICAL FEED ISOL (x2) VOGT 1" 1690 GLOBE A105 SW1510

    INTERMITTENT BLOWDOWN YARWAY 2" 1500 BLOW-OFF A105 6981M-6981M

    Unit Tandem

    EVAP MODULE DRAIN (x2) VOGT 2" 1690 GLOBE A105 SW1510

    H.P.

    Economizer

    ECON MODULE DRAIN (x7) VOGT 1-1/2" 1690 GLOBE A105 SW1510

    ECON DRAIN MANIFOLD (x2) VOGT 2" 1690 GLOBE A105 SW1510

    ECON MODULE VENT (x5) VOGT 3/4" 1690 GLOBE A105 SW1510

    ECON MODULE VENT

    MANIFOLD

    VOGT 3/4" 1690 GLOBE A105 SW1510/MOV

    F.W. INLET DRAIN VALVE

    (x2)

    VOGT 1-1/2" 1690 GLOBE A105 SW1510

    F.W. INLET CHECK VALVE PACIFIC 8" 2500 CHECK A216 WCB 58825-7-WE

    F.W. INLET STOP VALVE PACIFIC 10" 2500 GATE A216 WCB 55525-7-WE

    F.W. INLET STOP VALVE PACIFIC 10" 2500 GATE A216 WCB 55525-7-WE-E

    PRESS XMTR ISOL (x2) VOGT 3/4" 1690 GLOBE A105 SW1510

    F.W. INLET SAMPLE VALVE

    (x2)

    VOGT 1" 1690 GLOBE A105 SW1510

    R.H.

    Superheater

    Inlet

    INLET SAFETY VALVE CONSOLID 6"x8" 600 PSV A216 WCB 1811QB

    INLET SAFETY VALVE CONSOLID 6"x8" 600 PSV A216 WCB 1811QB

    PSV SILENCER FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 93-67-2784

    (designed for 105

    dbA @ 3 ft.)

    PRESS GAUGE ISOL (x2) VOGT 1/2" 800 GLOBE A105 SW810

    PRESS GAUGE TEST COCK AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    RH SH MODULE #1 VENT

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    PRESS XMTR ISOL (x2) VOGT 1" 800 GLOBE A182 F22 SW822

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 42

    Rev. Date: 1/14/2009

    R.H. Superheater

    Attemperator

    SPRAYWATER ISOL VOGT 2" 800 GATE A182 F22 SW12521/MOV

    SPRAYWATER CHECK

    VALVE

    VOGT 2" 1690 CHECK A182 F22 SW1622

    HP SH INTERSTAGE ATTMP

    CNTRL VALVE

    YARWAY 1" 1500 GLOBE A182 F22 TEMPLOW, Type

    4330-C6E3

    SPRAYWATER LINE DRAIN

    VALVE (x2)

    VOGT 1" 800 GLOBE A182 F22 SW822

    ATTMP LOOP VENT (x2) VOGT 3/4" 800 GLOBE A182 F22 SW822

    ATTMP LOOP DRAIN (x2) VOGT 1-1/2" 800 GLOBE A182 F22 SW822

    ATTMP LOOP DRAIN (x2) VOGT 1-1/2" 800 GLOBE A182 F22 SW822/MOV

    ATTMP LOOP DRAIN VOGT 1" 800 GLOBE A182 F22 SW822

    ATTMP LOOP DRAIN VOGT 1" 800 GLOBE A182 F22 SW822/MOV

    PRESS XMTR ISOL (x2) VOGT 1" 800 GLOBE A182 F22 SW822

    R.H. Superheater

    Outlet

    OUTLET SAFETY VALVE CONSOLID 6"x8" 600 PSV A217 WC9 1811QB

    PSV SILENCER FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 77-68-1819

    (designed for 105

    dbA @ 3 ft.)

    PRESS GAUGE ISOL (x2) VOGT 3/4" 1690 GLOBE A182 F22 SW1522

    PRESS GAUGE TEST COCK AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    RH SH MODULE #1 VENT

    (x2)

    VOGT 3/4" 800 GLOBE A182 F22 SW810

    I.P.

    Superheater

    START-UP VENT VALVE FISHER 2-1/2" 600 GLOBE A216 WCB Model ED w/

    Electr. Act w/ Std

    Trim (Sized for

    76178 #/hr @ 530

    F & 600 psig;

    Valve LpA=104.1

    dBA)

    START-UP VENT BLOCK

    VALVE

    CRANE 3" 600 GLOBE A216 WCB 171.5 XU

    SAFETY VALVE CONSOLID 1.5"X3" 600 PSV A216 WCB 2715WB

    STARTUP VENT/PSV

    SILENCER

    FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 34-65-298

    (designed for 105

    dbA @ 3 ft.)

    MAIN STEAM STOP VALVE CRANE 8" 600 GATE A216 WCB 76.5 XUF/MOV

    MAIN STEAM NRV VALVE PACIFIC 8" 600 GATE A216 WCB 660S-7-WE

    MAIN STEAM DRAIN VALVE

    (x2)

    VOGT 1" 800 GLOBE A105 SW810/MOV

    SH MODULE DRAIN VOGT 1-1/2" 800 GLOBE A105 SW810

    SH MODULE DRAIN VOGT 1-1/2" 800 GLOBE A105 SW810/MOV

    SH FEEDER VENT (x2) VOGT 3/4" 800 GLOBE A105 SW810

    SAT STEAM SAMPLE ISOL

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    SAT STEAM SAMPLE ISOL

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    MAIN STEAM HEADER VENT

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    MAIN STEAM SAMPLE

    VALVE (x4)

    VOGT 3/4" 800 GLOBE A105 SW810

    I.P.

    Evaporator

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 43

    Rev. Date: 1/14/2009

    SAFETY VALVE CONSOLID 1.5"x3" 600 PSV A216 WCB 2715WB

    SAFETY VALVE CONSOLID 1.5"x3" 600 PSV A216 WCB 2715WB

    PSV SILENCER FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 30-58-219

    (designed for 105

    dbA @ 3 ft.)

    N2 BLOCK VALVE VOGT 1" 800 GLOBE A105 SW810

    NITROGEN FILL VALVE VOGT 1" 800 STOP CHK A105 SW810 MOD.

    N2 PURGE BLOCK VALVE VOGT 1" 800 GLOBE A105 SW810

    N2 PURGE VENT VALVE VOGT 1" 800 GLOBE A105 SW810/MOV

    PRESS GAUGE ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    PRESS GAUGE TEST COCK AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    PRESS XMTR ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    WATER SAMPLE ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    CONT BD LINE BLOCK VOGT 1" 800 GLOBE A105 SW810

    CONT BLOWDOWN VALVE VOGT 1" 800 GLOBE A105 SW12443/PNEU

    M

    LVL XMTR ISOL (x4) VOGT 1" 800 GATE A105 SW2801

    REMOTE LEVEL GAUGE

    ISOL (x4)

    VOGT 1-1/2" 800 GATE A105 SW2801

    WATER COLUMN DRAIN (x2) VOGT 3/4" 800 GLOBE A105 SW810

    LVL GAUGE DRAIN VOGT 3/4" 800 GLOBE A105 SW810

    CHEMICAL FEED CHECK

    VALVE

    VOGT 1" 800 CHECK A-105 SWS74

    CHEMICAL FEED ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    INTERMITTENT BLOWDOWN

    (x2)

    VOGT 1" 800 GLOBE A105 SW810/ MOD/

    MOV

    EVAP MODULE DRAIN (x2) VOGT 1" 800 GLOBE A105 SW810

    I.P.

    Economizer

    F.W. INLET DRAIN VALVE

    (x2)

    VOGT 1-1/2" 800 GLOBE A105 SW810

    PEGGING STEAM STOP

    VALVE

    CRANE 4" 900 GATE SA216 WCB 55509-7-WE

    F.W. INLET CHECK VALVE CRANE 4" 900 CHECK A216 WCB 58809-7-WE

    F.W. INLET STOP VALVE CRANE 4" 900 GATE SA216 WCB 55509-7-WE

    F.W. INLET STOP VALVE CRANE 4" 900 GATE SA216 WCB 55509-7-WE-E

    PRESS XMTR ISOL (x2) VOGT 1/2" 800 GLOBE A105 SW810

    F.W. INLET SAMPLE VALVE

    (x2)

    VOGT 1" 800 GLOBE A105 SW810

    L.P.

    Superheater

    START-UP VENT VALVE FISHER 8" 300 GLOBE A216 WCB Model ED w/

    Electr. Act. w/ Std

    Trim (Sized for

    46635 #/hr @ 395

    F & 125 psig;

    Valve LpA=105

    dBA)

    START-UP VENT BLOCK

    VALVE

    PACIFIC 6" 300 GATE A216 WCB 33.5 XUF

    SAFETY VALVE CONSOLID 2.5"x4" 300 PSV A216 WCB 1811LB

    STARTUP VENT/PSV

    SILENCER

    FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 28-64-181

    (designed for 105

    dbA @ 3 ft.)

    MAIN STEAM STOP VALVE PACIFIC 12" 300 GATE A216 WCB 33.5 XUF/MOV

    MAIN STEAM NRV VALVE PACIFIC 12" 300 STOP-

    CHECK

    A216 WCB 360S-7-WE

    MAIN STEAM DRAIN VALVE

    (x2)

    VOGT 1" 800 GLOBE A105 SW810/MOV

    PRESS GAUGE ISOL (x2) VOGT 1/2" 800 GLOBE A105 SW810

    PRESS GAUGE TEST COCK AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    SH MODULE DRAIN VOGT 1-1/2" 800 GLOBE A105 SW810

    SH MODULE DRAIN VOGT 1-1/2" 800 GLOBE A105 SW810/MOV

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 44

    Rev. Date: 1/14/2009

    SH FEEDER VENT (x2) VOGT 3/4" 800 GLOBE A105 SW810

    SAT STEAM SAMPLE ISOL

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    SAT STEAM SAMPLE ISOL

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    MAIN STEAM HEADER VENT

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    MAIN STEAM SAMPLE

    VALVE (x4)

    VOGT 3/4" 800 GLOBE A105 SW810

    L.P.

    Evaporator

    SAFETY VALVE CONSOLID 3"X4" 300 PSV A216 WCB 1811MB

    SAFETY VALVE CONSOLID 2.5"X4" 300 PSV A216 WCB 1811LB

    PSV SILENCER FLUID

    KINET.

    N/A N/A N/A CS Shell w/

    CS Internals

    BOS 28-64-181

    (designed for 105

    dbA @ 3 ft.)

    N2 BLOCK VALVE VOGT 1" 800 GLOBE A105 SW810

    NITROGEN FILL VALVE VOGT 1" 800 STOP CHK A105 SW810 MOD.

    N2 PURGE BLOCK VALVE VOGT 1" 800 GLOBE A105 SW810

    N2 PURGE VENT VALVE VOGT 1" 800 GLOBE A105 SW810

    PRESS GAUGE ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    PRESS GAUGE TEST COCK AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    PRESS XMTR ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    WATER SAMPLE ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    LVL XMTR ISOL (x4) VOGT 1" 800 GATE A105 SW2801

    REMOTE LEVEL GAUGE

    ISOL (x4)

    VOGT 1-1/2" 800 GATE A105 SW2801

    WATER COLUMN DRAIN (x2) VOGT 3/4" 800 GLOBE A105 SW810

    LVL GAUGE DRAIN VOGT 3/4" 800 GLOBE A105 SW810

    CHEMICAL FEED CHECK

    VALVE

    VOGT 1" 800 CHECK A-105 SWS74

    CHEMICAL FEED ISOL (x2) VOGT 1" 800 GLOBE A105 SW810

    INTERMITTENT BLOWDOWN

    (x2)

    VOGT 1" 800 GLOBE A105 SW810/ MOD/

    MOV

    EVAP MODULE DRAIN (x2) VOGT 2" 800 GLOBE A105 SW810

    HP FW PUMP SUCT. ISOL CRANE 8" 300 GATE A216 WCB 33.5 XUF

    IP FW PUMP SUCT. ISOL CRANE 4" 300 GATE A216 WCB 33.5 XUF

    HP FW PUMP RECIRC. PACIFIC 4" 1500 GATE A216 WCB 55515-7-WE

    IP FW PUMP RECIRC. CRANE 3" 300 GATE A216 WCB 33.5 XUF

    DRUM WATER SAMPLE ISOL

    (x2)

    VOGT 3/4" 800 GLOBE A105 SW810

    L.P.

    Economizer

    ECON MODULE VENT (x4) VOGT 3/4" 800 GLOBE A105 SW810

    ECON MODULE VENT

    MANIFOLD

    VOGT 1" 800 GLOBE A105 SW810

    ECON MODULE DRAIN

    VALVE (x5)

    VOGT 1-1/2" 800 GLOBE A105 SW810

    ECON DRAIN MANIFOLD VOGT 2" 800 GLOBE A105 SW810

    ECON INLET DRAIN VALVE

    (x2)

    VOGT 1-1/2" 800 GLOBE A105 SW810

    ECON INLET CHECK VALVE CRANE 8" 300 CHECK A216 WCB 159.5 XU

    ECON INLET STOP VALVE CRANE 10" 300 GATE SA216 WCB 33.5 XUF

    PRESS XMTR ISOL (x2) VOGT 1/2" 800 GLOBE A105 SW810

    3-WAY BYPASS ON/OFF

    VALVE

    FISHER 6" 300 GLOBE A105 667-YD-3582I-

    4215-ASCO

    Feedwater

    Heater

    F.W. INLET DRAIN VALVE

    (x2)

    VOGT 1" 800 GLOBE A105 SW810

    F.W. INLET CHECK VALVE CRANE 8" 300 CHECK A216 WCB 159.5 XU

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 45

    Rev. Date: 1/14/2009

    F.W. INLET STOP VALVE CRANE 8" 300 GATE A216 WCB 33.5 XUF/MOV

    DRAIN VALVE (x2) VOGT 1" 800 GLOBE A105 SW810

    F.W. CNTRL VALVE ISOL

    (x2)

    CRANE 8" 300 GATE A216 WCB 33.5 XUF

    F.W. CV BYPASS VALVE CRANE 4" 300 GLOBE A216 WCB 151.5 XU

    F.W. CNTRL VALVE DRAIN

    (x3)

    VOGT 1" 800 GLOBE A105 SW810

    PRESS GAUGE ISOL (x2) VOGT 1/2" 800 GLOBE A105 SW810

    PRESS GAUGE TEST COCK AGCO 1/2" 2500 NEEDLE 304SS H7HPS4AT-XP

    F.W. OUTLET PR. TEST ISOL

    (x2)

    VOGT 1/2" 800 GLOBE A105 SW810

    F.W. INLET SAMPLE VALVE

    (x2)

    VOGT 1" 800 GLOBE A105 SW810

    L.P. F.W.

    Recirculation Pump

    Station

    RECIRC PUMP (x2) INGERSOLL 4x2-13A 600 CENTRIFU

    GAL

    CS HPX

    RECIRC PUMP CNTL VALVE MASONEIL. 6" 300 GLOBE SA216 WCB Model 88-41511

    w/ linear valve

    char.

    RECIRC PUMP CV ISOL (x2) CRANE 8" 300 GATE SA216 WCB 33.5-XUF

    F. W. CONTROL VALVE BYP. CRANE 4" 300 GLOBE SA216 WCB 151.5-XU

    F.W. CNTRL VLV STAT.

    DRAIN (x3)

    VOGT 1" 800 GLOBE SA-105 SW810

    FLOW XMTR ISOL (x4) VOGT 1" 800 GLOBE SA105 SW810

    RECIRC PUMP OUTLET

    CHECK (x2)

    CRANE 6" 300 CHECK SA216 WCB 159.5-XU

    RECIRC PUMP OUTLET ISOL

    (x2)

    CRANE 8" 300 GATE SA216 WCB 33.5-XUF

    PUMP DISCHARGE DRAIN

    (x4)

    VOGT 1" 800 GLOBE SA-105 SW810

    RECIRC PUMP INLET ISOL

    (x2)

    CRANE 8" 300 GATE SA216 WCB 33.5-XUF

    PRESS GAUGE ISOL (x8) VOGT 1" 800 GLOBE SA105 SW810

    PRESS GAUGE/XMTR ISOL

    (x2)

    VOGT 1" 800 GLOBE SA105 SW810

    PR GAUGE/XMTR TEST

    COCK

    AGCO 1/2" 800 NEEDLE 304SS H7HPS44Q-XP

    RECIRC PUMP STRAINER

    (x2)

    SSI

    EQUIPMEN

    T

    8" 300 Y-

    STRAINER

    CS

    HOUSING

    w/ 304SS

    BSKT

    STRAINER DP SWITCH ISOL

    (x8)

    VOGT 1" 800 GLOBE SA105 SW810

    REC. PUMP MIN. RECIRC

    VALVE

    YARWAY 4" 300 GLOBE SA216 WCB 9300 Series w/

    back pr. reg.

    MIN RECIRC VLV BLOCK CRANE 4" 300 GATE SA216 WCB 33.5-XUF

    HRSG

    Ductwork

    HRSG CASING DRAINS (x6) CRANE 3" 150 GATE A216 WCB 47 XU

    HRSG STACK DRAIN CRANE 4" 150 GATE A216 WCB 47 XU

    TYPICAL INSTRUMENT LIST

    NOTE: INSTRUMENT LIST IS PRELIMINARY. FINAL DESIGN DETAILS MUST BE DETERMINED UPON AWARD

    OF CONTRACT.

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 46

    Rev. Date: 1/14/2009

    DESCRIPTION ELECTRIC

    AL

    REQ'MNT/

    SIGNAL

    TYPE

    MEAS.

    RANGE

    MODEL NO./

    MANUFACTURE

    R

    NOM. SIZE &

    MAT'L OF

    CONSTR/ PROC.

    CONN., SIZE &

    TYPE

    NOTES

    H. P. SUPERHEATER

    THERMOCOU

    PLE

    THERMOWELL

    (x2)

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F91,

    T=10.25"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F91

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    STEAM

    OUTLET

    PRESSURE

    GAUGE

    N/A/

    VISUAL

    0-3000

    psig

    4-1/2" 1379SS

    XSG XOS 04L 0-

    3000 PSI/

    ASHCROFT

    4-1/2" Dial; 316 SS/

    0.5 Inch Lower

    Stem Conn.

    w/ Overload Stop; w/ 1/2", 50-1098ND

    Pigtail Syphon; w/ laminated safety

    glass; w/ Calibr. Certs

    THERMOCOU

    PLE

    THERMOWELL

    (x4) (between

    each section)

    N/A N/A 1-1/2"H260U4.5-

    A105 OL=6.25"/

    STI

    1-1/2","U"=4-1/2",

    A105; 1-1/2" NPT

    Stepless, Tapered TW w/ Max Bore ID

    of 0.260 w/ No Lagging Ext. w/

    Preassembled TC

    H. P. SUPERHEATER

    ATTEMPERATOR

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 47

    Rev. Date: 1/14/2009

    H. P. DRUM

    DRUM

    PRESSURE

    GAUGE

    N/A;

    VISUAL

    0-3000

    psig

    8-1/2" 1377SS

    XSG XOS 04B 0-

    3000 PSI/

    ASHCROFT

    8-1/2" Dial; 316SS

    Bourdon Tube/

    Flush Mounted

    Gauge, 0.5 Inch

    NPT Back Conn.

    w/ Overload Stop; w/ 1/2", 50-1098ND

    Pigtail Syphon; w/ laminated safety

    glass; w/ Calibr. Certs

    DRUM

    REMOTE

    LEVEL

    INDICATOR

    ASSEMBLY

    220 VAC, 1

    ph, 60 Hz,

    0.5 A/

    Relay

    Contact

    Rating: 10

    A @ 220

    VAC

    TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M, Model

    2232M-10 w/ 3000

    psi Water Column/

    YARWAY

    STEEL/ Water

    Column w/ 1.5",

    Sch. 80 stub boiler

    & 1" drain

    connections

    10 Probe Column; w/ NEMA 4X

    Electrical Encl.

    DRUM LEVEL

    GAUGE

    220 VAC

    Input to

    Illum.

    TBD (ref.

    drum

    centerline

    )

    4595F (Multiple

    Port) Color Port/

    YARWAY

    STEEL/ Water

    Column Assbly w/

    3/4" ANSI Cl. RF

    Flng Gage Conn.

    w/ 3/4" SW Welbloc

    Type Gage Valve

    Drain Conn.

    Mounted on RLI Water Column; w/ Bi-

    Color Ports; w/ NEMA 3R Outdoor

    Illuminator w/ Open Front Hood; w/ 18"

    Visibility

    DRUM 10-

    LIGHT

    REMOTE

    LEVEL

    INDCIATOR

    120 VAC TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M Remote

    Level Indicator/

    YARWAY

    N/A Two-color Solid State LED Indicators w/

    NEMA 4X Electrical Enclosure (Located

    @ Control Valve Station)

    DRUM 10-

    LIGHT

    REMOTE

    LEVEL

    INDICATOR

    120 VAC TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M Remote

    Level Indicator/

    YARWAY

    N/A Two-color Solid State LED Indicators

    (Located in Control Room)

    TEMPORARY BOILOUT LEVEL

    GAUGE

    YARWAY Flgd; 18" Visibility

    DRUM

    THERMOCOU

    PLES W/ PAD

    (X2)

    TYPE E

    INPUT/ mV

    -300 up

    to 1600

    deg F

    Conax Buffalo Stainless steel pad

    3/16" dia

    E-SS18-2U(Weldpad)-T3(6 ft)-(36 in)

    H. P.

    ECONOMIZER

    THERMOCOU

    PLE

    THERMOWELL

    (x4)

    N/A N/A 1-1/2"H260U4.5-

    A105 OL=6.25"/

    STI

    1-1/2","U"=4-1/2",

    A105; 1-1/2" NPT

    Stepless, Tapered TW w/ Max Bore ID

    of 0.260 w/ No Lagging Ext. w/

    Preassembled TC

    THERMOCOU

    PLE

    THERMOWELL

    (x4) (between

    each section)

    N/A N/A 1-1/2"H260U4.5-

    A105 OL=6.25"/

    STI

    1-1/2","U"=4-1/2",

    A105; 1-1/2" NPT

    Stepless, Tapered TW w/ Max Bore ID

    of 0.260 w/ No Lagging Ext. w/

    Preassembled TC

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 48

    Rev. Date: 1/14/2009

    REHEATER

    THERMOCOU

    PLE

    THERMOWELL

    (x2)

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F91,

    T=10.25"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F91

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    STEAM

    OUTLET

    PRESSURE

    GAUGE

    N/A/

    VISUAL

    0-1000

    psig

    4-1/2" 1379SS

    XSG XOS 04L 0-

    1000 PSI/

    ASHCROFT

    4-1/2" Dial; 316 SS/

    0.5 Inch Lower

    Stem Conn.

    w/ Overload Stop; w/ 1/2", 50-1098ND

    Pigtail Syphon; w/ laminated safety

    glass; w/ Calibr. Certs

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-A105,

    T=10.25"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F91

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    STEAM INLET

    PRESSURE

    GAUGE

    N/A/

    VISUAL

    0-1000

    psig

    4-1/2" 1379SS

    XSG XOS 04L 0-

    1000 PSI/

    ASHCROFT

    4-1/2" Dial; 316 SS/

    0.5 Inch Lower

    Stem Conn.

    w/ Overload Stop; w/ 1/2", 50-1098ND

    Pigtail Syphon; w/ laminated safety

    glass; w/ Calibr. Certs

    REHEATER ATTEMPERATOR

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    THERMOCOU

    PLE

    THERMOWELL

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-F22,

    T=10-

    1/4"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A182 F22

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 49

    Rev. Date: 1/14/2009

    I. P. SUPERHEATER

    THERMOCOU

    PLE

    THERMOWELL

    (X2)

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-A105,

    T=10.25"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A105

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    STEAM

    OUTLET

    PRESSURE

    GAUGE

    N/A/

    VISUAL

    0-1000

    psig

    4-1/2" 1379SS

    XSG XOS 04L 0-

    1000 PSI/

    ASHCROFT

    4-1/2" Dial; 316 SS/

    0.5 Inch Lower

    Stem Conn.

    w/ Overload Stop; w/ 1/2", 50-1098ND

    Pigtail Syphon; w/ laminated safety

    glass; w/ Calibr. Certs

    I. P. DRUM

    DRUM

    PRESSURE

    GAUGE

    N/A;

    VISUAL

    0-600

    psig

    8-1/2" 1377SS

    XSG XOS 04B 0-

    600 PSI/

    ASHCROFT

    8-1/2" Dial; 316SS

    Bourdon Tube/

    Flush Mounted

    Gauge, 0.5 Inch

    NPT Back Conn.

    w/ Overload Stop; w/ 1/2", 50-1098ND

    Pigtail Syphon; w/ laminated safety

    glass; w/ Calibr. Certs

    DRUM

    REMOTE

    LEVEL

    INDICATOR

    ASSEMBLY

    220 VAC, 1

    ph, 50 Hz,

    0.5 A/

    Relay

    Contact

    Rating: 10

    A @ 220

    VAC

    TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M, Model

    2236M-10 w/ 650

    psi Water Column/

    YARWAY

    STEEL/ Water

    Column w/ 1.5",

    Sch. 80 stub boiler

    & 1" drain

    connections

    10 Probe Column; w/ NEMA 4X

    Electrical Encl.

    DRUM LEVEL

    GAUGE

    220 VAC

    Input to

    Illum.

    TBD (ref.

    drum

    centerline

    )

    4327NSB Flat

    Glass Gage/

    YARWAY

    STEEL/ 3/4" Nipple

    Ended Gage Conn.

    w/ 3/4" Stuffing Box

    Gage Valves Model

    4000S w/ 3/4"

    NPTF Vent/Drain

    Conn.

    Mounted on RLI Water Column; w/

    NEMA 3R Outdoor Illuminator w/ Open

    Front Hood; w/ 18" Visibility

    DRUM 10-

    LIGHT

    REMOTE

    LEVEL

    INDCIATOR

    220 VAC TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M Remote

    Level Indicator/

    YARWAY

    N/A Two-color Solid State LED Indicators w/

    NEMA 4X Electrical Enclosure (Located

    @ Control Valve Station)

    DRUM 10-

    LIGHT

    REMOTE

    LEVEL

    INDICATOR

    220 VAC TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M Remote

    Level Indicator/

    YARWAY

    N/A Two-color Solid State LED Indicators

    (Located in Control Room)

    TEMPORARY BOILOUT LEVEL

    GAUGE

    YARWAY STEEL/ 3/4" Nipple

    Ended Gage Conn.

    w/ 3/4" Stuffing Box

    Gage Valves Model

    4000S w/ 3/4"

    NPTF Vent/Drain

    Conn.

    Flgd; 18" Visibility

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 50

    Rev. Date: 1/14/2009

    DRUM

    THERMOCOU

    PLES W/ PAD

    (X2)

    TYPE E

    INPUT/ mV

    -300 up

    to 1600

    deg F

    Conax Buffalo Stainless steel pad

    3/16" dia

    E-SS18-2U(Weldpad)-T3(6 ft)-(36 in)

    I. P.

    ECONOMIZER

    THERMOCOU

    PLE

    THERMOWELL

    (X4)

    N/A N/A 1-1/2"H260U2.5-

    A105 OL=4.25"/

    STI

    1-1/2","U"=2-1/2",

    A105; 1-1/2" NPT

    Stepless, Tapered TW w/ Max Bore ID

    of 0.260 w/ No Lagging Ext. w/

    Preassembled TC

    L. P.

    SUPERHEATER

    THERMOCOU

    PLE

    THERMOWELL

    (X2)

    N/A N/A 1.5"-WIHL260(1.5"

    Diam)-U4.5-A105,

    T=10.25"(Lagging)

    OL=16.5" w/ Min.

    3/4" Tip Diam./

    STI

    1-1/2","U"=4-1/2",

    A105

    Weld-in Type, Stepless, Tapered TW w/

    Max Bore ID of 0.260 w/ Mat'l Certs w/

    Preassembled TC

    STEAM

    OUTLET

    PRESSURE

    GAUGE

    N/A/

    VISUAL

    0-1000

    psig

    4-1/2" 1379SS

    XSG XOS 04L 0-

    1000 PSI/

    ASHCROFT

    4-1/2" Dial; 316 SS/

    0.5 Inch Lower

    Stem Conn.

    w/ Overload Stop; w/ 1/2", 50-1098ND

    Pigtail Syphon; w/ laminated safety

    glass; w/ Calibr. Certs

    L. P. DRUM

    DRUM

    PRESSURE

    GAUGE

    N/A;

    VISUAL

    0-300

    psig

    8-1/2" 1377SS

    XSG XOS XVS

    04B 0-300 PSI/

    ASHCROFT

    8-1/2" Dial; 316SS

    Bourdon Tube/

    Flush Mounted

    Gauge, 0.5 Inch

    NPT Back Conn.

    w/ Overload & Vacuum Stops; w/

    Glycerine Fill for Gauge; w/ 1/2", 50-

    1098ND Pigtail Syphon; w/ laminated

    safety glass; w/ Calibr. Certs

    DRUM

    REMOTE

    LEVEL

    INDICATOR

    ASSEMBLY

    220 VAC, 1

    ph, 50 Hz,

    0.5 A/

    Relay

    Contact

    Rating: 10

    A @ 220

    VAC

    TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M, Model

    2236M-10 w/ 450

    psi Water Column/

    YARWAY

    STEEL/ Water

    Column w/ 1.5",

    Sch. 80 stub boiler

    & 1" drain

    connections

    10 Probe Column; w/ NEMA 4X

    Electrical Encl.

    DRUM LEVEL

    GAUGE

    220 VAC

    Input to

    Illum.

    TBD (ref.

    drum

    centerline

    )

    4327NSB Flat

    Glass Gage/

    YARWAY

    STEEL/ 3/4" Nipple

    Ended Gage Conn.

    w/ 3/4" Stuffing Box

    Gage Valves Model

    4000S w/ 3/4"

    NPTF Vent/Drain

    Conn.

    Mounted on RLI Water Column; w/

    NEMA 3R Outdoor Illuminator w/ Open

    Front Hood; w/ 18" Visibility

    DRUM 10-

    LIGHT

    REMOTE

    LEVEL

    INDCIATOR

    220 VAC TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M Remote

    Level Indicator/

    YARWAY

    N/A Two-color Solid State LED Indicators w/

    NEMA 4X Electrical Enclosure (Located

    @ Control Valve Station)

  • Copyright 2009 RIC MIDDLETON, PE

    Document Title: HRSG Primer and Design Overview

    Page No.: 51

    Rev. Date: 1/14/2009

    DRUM 10-

    LIGHT

    REMOTE

    LEVEL

    INDICATOR

    220 VAC TBD (ref.

    drum

    centerline

    )

    Aquarian Series

    3000M Remote

    Level Indicator/

    YARWAY

    N/A Two-color Solid State LED Indicators

    (Located in Control Room)

    TEMPORARY BOILOUT LEVEL

    GAUGE

    YARWAY STEEL/ 3/4" Nipple

    Ended Gage Conn.

    w/ 3/4" Stuffing Box

    Gage Valves Model

    4000S w/ 3/4"

    NPTF Vent/Drain

    Conn.

    Flgd; 18" Visibility

    DRUM

    THERMOCOU

    PLES W/ PAD

    (X2)

    TYPE E

    INPUT/ mV

    -300 up

    to 1600

    deg F

    Conax Buffalo S


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