API 661 Air-Cooled Heat Exchanger - Specification SheetJob No. 18680-1 Item No. HE-2100Page Page 1 By D.HOLKDate 9/24/2013 Revision 2Proposal No. Contract No.Inquiry No. Order No.

Manufacturer Tex-Fin, Inc Heat exchanged (Btu/hr) 5662842Model no. 9-20U-D7-H15-FVDSurface/Item-Finned tube (ft2) 20104Customer OBERON FUELS Bare tube (ft2) 935.08Plant location MTD, Eff. (Deg. F) 103.7Service MAKEUP SYNGAS AIR COOLER Transfer rate-Finned (Btu/ft2-hr-F) 3.401Type draft FORCED Bare tube, service (Btu/ft2-hr-F) 73.13Bay size (WxL) (ft) 9.167 x 20.000 Bare tube, clean (Btu/ft2-hr-F) 87.90No. of bays/Items 1

Basic design dataPressure design code ASME Structural code UBC/AISCTube bundle code stamped YES Flammable service NOHeating coil code stamped N/A Lethal/toxic service NO

Performance Data - Tube SideFluid name Synthesis Gas In OutTotal fluid entering (lb/hr) 11219 Total flow rate (Liq/Vap) (lb/hr) 0.0 / 11219 4263.3 / 6955.8Dew/bubble point (Deg. F) / Water/Steam (lb/hr) 0.0 / 0.0 0.0 / 0.0

(Deg. F) Noncondensables (lb/hr) 0.0 0.0Latent heat (Btu/lb) Molecular Wt. (Vap/Non-cond) / /Inlet pressure (psia) 299.70 Density (Liq/Vap) (lb/ft3) 53.471 / 0.4522 60.949 / 0.5480Pressure drop (All/Calc) (psi) 5.000 / 0.872 Specific heat (Liq/Vap) (Btu/lb-F) 1.0271 / 0.5852 1.0077 / 0.6073Velocity (Allow/Calc) (ft/sec) / 13.89 Thermal cond. (Liq/Vap) (Btu/hr-ft-F) 0.3986 / 0.0410 0.3799 / 0.0390Inside fouling resistance (ft2-hr-F/Btu) 0.00200 Viscosity (Liq/Vap) (cP) 0.1416 / 0.0188 0.4300 / 0.0139

In OutTemperature (Deg. F) 380.00 150.02

Performance Data - Air SideAir inlet temperature (Deg. F) 112 Face velocity (SFPM) 605.02Air flow rate/item (SCFM) 108903 Minimum design ambient temp. (Deg. F) 10.02Mass velocity (lb/hr-ft2) Altitude (ft) 0.000Air outlet temperature (Deg. F) 165.00 Static pressure (inH2O) 0.628Air flow rate/fan (ACFM) 59366

Design, Material, and ConstructionDesign pressure (psig) 350.00 Heating CoilTest pressure (psig) tempCorr 561.00 No. of tubes N.ADesign temperature (Deg. F) 650.00 Tube outside diameter (inch)Min. design metal temp. (Deg. F) -20.00 Tube materialTube bundle Fin material and typeSize (WxL) (ft) 9.000 X 20.000 Fin thickness (inch)No./Bay 1 ASME Code, Sec. VIII, Div. 1Number of tube rows 4 Heating fluidBundles in parallel 1 Heating fluid flow rate (lb/hr)Bundles in series Temperature (In/Out) (Deg. F) /Structure mounting ABOVE GRADE Inlet pressure (psia)Pipe rack beams NONE Pressure drop (All/Calc) (psi) /Ladders, walkways, platforms NONE Design temperature (Deg. F)Structure surface prep. GALV Design pressure (psia)Header surface prep. NONE Inlet/Outlet nozzle /

Louver HeaderMaterial Alum Type WELDED BOXAction control Manual Material SA240-304/304LAction type Corrosion Allowance (inch) 0.0313

No. of passes 2

API 661 Air-Cooled Heat Exchanger - Specification SheetJob No. 18690-1 Item No. HE-2100Page Page 2 By D.HolkDate 9/24/2013 Revision 2Proposal No. Contract No.Inquiry No. Order No.

Design, Material, and Construction (continued)Header (continued) No./Bundle 180Slope NONE Length (ft) 20.000Plug material 304SS Pitch (inch) 2.3125Gasket material SS Layout Triangular

Nozzle No. Size, (inch) Rating/Facing FinInlet 1 6.0000 300# RF Type EmbeddedOutlet 1 4.0000 300# RF Material Aluminum 1060 - H14Vent Thickness (inch) 0.0150Drain Selection temp. (F)Chemical Cleaning Outside diameter (inch) 2.2500Min. Wall Thk. Fin density (fin/inch) 10.0

Tube ASME Code, Sec. VIII, Div. 1 YESMaterial SA249-304/304L Customer Specifications NONETube outside diameter (inch) 1.0000Average wall thickness (inch) 0.0650

Mechanical EquipmentFan RPM 1750Manufacturer MOORE Service factor 1.15No./Bay 2 Enclosure TEFCRPM (Revs/min.) 480 Voltage 460Diameter (ft) 7 Phase 3No. of blades 5 Cycle 60Angle (degrees) 14.1 Fan noise level (1m@Side) (dB) 79.3Pitch adjustment MANUAL Speed ReducerBlade material ALUM Type V-BELTHub material ALUM ManufacturerBHP@design temp 9.5 No./Bay 2BHP@min. ambient temp Service factor 1.4Tip speed 10556 Speed ratio 3.1:1

Driver SupportType ELEC MOTOR Vib. switch MURPHYManufacturer Enclosure 2VSEXNo./Bay 2Driver (hp) 15

Controls - Air SideAir recirculation LouversDegree control of outlet process temp. Positioner(Max. Cooling),+/- / Signal air pressure (psia)

Action on control signal failure From ToFan pitch From To

Louvers Supply air pressure (psia)Actuator air supply From ToFan From To

ShippingPlot area (WxL) (ft) 9.167 x 20.000 Total (lb) 18265Bundle weight (lb) 6845.4 Shipping (lb)Bay (lb)

TEX-FIN, INC. 19115 ALDINE WESTFIELD / HOUSTON, TEXAS 77073 / PHONE: 281-821-7150 / WWW.TEX-FIN.COM

S.O. # : 18690-1 BY : CMP / CHK : SDF 9-24-2013 1

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A.S.M.E. M E C H A N I C A L D E S I G N C A L C U L A T I O N S

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All calculations in complete accordance with

ASME, Section VIII, Div 1, 2010 Edition, 2011 Addenda

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Impact Testing is exempt to -20 DegF per UHA-51

All Loadings Per UG-22 Have Been Considered and Included Where Applicable

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` CUSTOMER : OBERON FUELS

P.O. NUMBER : TEX-16SEP13

ITEM NUMBER : HE-2100

JOB NUMBER : 18680-1

SIZE & TYPE : 9-20U-D7-H15-FVD

QUANTITY : ONE

TEX-FIN, INC. 19115 ALDINE WESTFIELD / HOUSTON, TEXAS 77073 / PHONE: 281-821-7150 / WWW.TEX-FIN.COM

S.O. # : 18690-1 BY : CMP / CHK : SDF 9-24-2013 2

Header Calculations per Appendix 13

PRESSURE (P) = 350 ALLW. STRESS = 16200TUBE DIA = 1 TUBE PITCH (p) = 2.3125CORR. ALLW. = 0.03125h SPAN (h) = 7.5 H Span (H) = 4

Top and Bottom Wrapper Calculations SA240-304/304L T1 = 0.5

alpha = a = ( H / h ) 0.537K = a * ( t2 * t2 * t2 ) / ( t1 * t1 * t1 ) 4.742

Membrane StressSm = ( P * h ) / ( 2 * t1) 2823

( P * ( t1 / 2 ) [ ( (1+(a 2̂*K) ]------------ [ ( -1.5 * H 2̂ ) + h 2̂ ( ----------------)] 928( t1^3 ) [ ( 1 + K) ]

(P * h^2 * ( t1 / 2) ) ( 1 + ( a 2̂ * K ) )---------------- (-----------------------) 18788

( t1^3 ) ( 1 + K )Total Stress

(ST)N = Eq.(1) + Eq.(3) 3752 243000

(ST)Q = Eq.(1) + Eq. (4) 21612 24300

TubeSheet & PlugSheet Calculations SA240-304/304L T2 = 1

LIG Effec= e = ( p - d ) / p 0.537alpha = a = ( H / h ) 0.537K = a * ( t2 * t2 * t2 ) / ( t1 * t1 * t1 ) 4.742Membrane StressSm = ( P * H ) / ( 2 * t1 * e ) 1367Bending Stress

( P * h 2̂ * ( t2 / 2 ) ) [ ( (1+(a^2*K) ]------------ [ -1.5 + ( ----------------)] 21601( e * t2^3 ) [ ( 1 + K) ]

(P * h 2̂ * t2 / 2 ) ( 1 + ( a 2̂ * K ) )---------------- (-----------------------) 4399( t2^3 ) ( 1 + K )

Total Stress(ST)M = Eq.(2) + Eq.(5) 22968 24300(ST)Q = Eq.(2) + Eq. (6) 5766 24300

End Plate Calculations SA240-304/304L T5 = 0.5

alpha = a = ( H / h ) 0.537K = a * ( t2 * t2 * t2 ) / ( t1 * t1 * t1 ) 4.742

Z (2.5 max) = 3.4 - 2.4 * (Short Span / Big Span) = 2.111Short Span^2 * Z * .2 * P--------------------- 11098 20000t5 2̂

Calculations per Fig. 13-2(a) Sketch (1)

S =

(Sb)M =

(Sb)Q =

(Sb)N =

(Sb)Q =

TEX-FIN, INC. 19115 ALDINE WESTFIELD / HOUSTON, TEXAS 77073 / PHONE: 281-821-7150 / WWW.TEX-FIN.COM

S.O. # : 18690-1 BY : CMP / CHK : SDF 9-24-2013 3

Nozzle Calculations per UG-27/Appendix 1, 1-1

Pressure (P) 350 Allow Stress (S) 16200Nozzle O.D. (D) 4.5 Nozzle Wall (T) 0.237Corr Allow (CA) 0.0312 Joint Efficency (E) 0.7Material SA312-304/304L Std Wt Pipe (SW) 0.237

P * (D/2) ------------ 0.0686

(S*E+.4*P)

.125 * T 0.0296

Tmin tr + MT + CA 0.1294 < 0.2370

T Required (tr)

Mill Tolerance (MT)

Nozzle Calculations per UG-27/Appendix 1, 1-1

Pressure (P) 350 Allow Stress (S) 16200Nozzle O.D. (D) 6.625 Nozzle Wall (T) 0.28Corr Allow (CA) 0.0312 Joint Efficency (E) 0.7Material SA312-304/304L Std Wt Pipe (SW) 0.28

P * (D/2) ------------ 0.1010

(S*E+.4*P)

.125 * T 0.0350

Tmin tr + MT + CA 0.1672 < 0.2800

T Required (tr)

Mill Tolerance (MT)

TEX-FIN, INC. 19115 ALDINE WESTFIELD / HOUSTON, TEXAS 77073 / PHONE: 281-821-7150 / WWW.TEX-FIN.COM

S.O. # : 18690-1 BY : CMP / CHK : SDF 9-24-2013 4

Tube Calculations per UG-27 / Appendix 1, 1-1

Pressure (P) 350 Allow Stress (S) 13800Tube O.D. (D) 1 Tube Wall (T) 0.06Corr Allow (CA) 0 Joint Efficency (E) 1Material SA249-304/304L

P * (D/2) ------------ 0.0126 < 0.0600

(S*E+.4*P)

T Required (tr)

TEX-FIN, INC. 19115 ALDINE WESTFIELD / HOUSTON, TEXAS 77073 / PHONE: 281-821-7150 / WWW.TEX-FIN.COM

S.O. # : 18690-1 BY : CMP / CHK : SDF 9-24-2013 5

STRESSES DUE TO NOZZLE LOADINGS/WRC BULLETIN 107

(ALL LOADS ARE IN LBS.; ALL MOMENTS ARE IN FT-LBS.; ALL STRESSES ARE IN PSI)

HEADER WIDTH. = 6.0000 WRAPPER THICKNESS = 0.5000 CA=0.03120 NOZZLE O.D. = 6.6250 PAD THICKNESS = 0.0000 P= 350.00 RADIAL LOAD P = 2260. SHEAR LOAD VC = 1800. SHEAR LOAD VL = 2260. CIRC. MOMENT MC= 3160. LONG MOMENT ML= 2400. TORSIONAL MOMENT MT= 4500. STRESS CONCENTRATION FACTORS: MEMBRANE LOAD = 1.0000 BENDING LOAD = 1.0000

GEOMETRIC PARAMETERS; GAMMA = 5.8993 BETA = 1.0480 VALUE

AU AL BU BL CU CL DU DL FROM CURVE

1005. 1005. 1005. 1005. 276. 276. 276. 276. 0.577/ 0.158 1810. -1810. 1810. -1810. 3238. -3238. 3238. -3238. 0.029/ 0.052

0. 0. 0. 0. 208. 208. -208. -208. 0.0206 0. 0. 0. 0. 19701. -19701. -19701. 19701. 0.0552 -33. -33. 33. 33. 0. 0. 0. 0. 0.0043 -709. 709. 709. -709. 0. 0. 0. 0. 0.0026

******************************************************************************* SUMMATION

2073. -128. 3557. -1481. 23422. -22454. -16396. 16531. CIRC. STRESSES *******************************************************************************

276. 276. 276. 276. 1005. 1005. 1005. 1005. 0.158/ 0.577 3238. -3238. 3238. -3238. 1810. -1810. 1810. -1810. 0.052/ 0.029

0. 0. 0. 0. 1359. 1359. -1359. -1359. 0.1347 0. 0. 0. 0. 6381. -6381. -6381. 6381. 0.0179 -46. -46. 46. 46. 0. 0. 0. 0. 0.0060 -3212. 3212. 3212. -3212. 0. 0. 0. 0. 0.0118

******************************************************************************* SUMMATION

255. 205. 6771. -6128. 10555. -5827. -4925. 4218. LONG.STRESSES *******************************************************************************

1671. 1671. 1671. 1671. 1671. 1671. 1671. 1671. 369. 369. -369. -369. 0. 0. 0. 0. 0. 0. 0. 0. -463. -463. 463. 463.

******************************************************************************* SUMMATION

2040. 2040. 1302. 1302. 1208. 1208. 2134. 2134. SHEAR STRESSES *******************************************************************************

COMBINED STRS. 4466. 4093. 7232. 6468. 23535. 22541. 16780. 16890. INTENSITY

*******************************************************************************

******************************************************************************* MAXIMUM STRESS = 23535. YIELD = 30000. YIELD FACTOR = 0.8000 ALLOWABLE STRESS = 24000.

TEX-FIN, INC. 19115 ALDINE WESTFIELD / HOUSTON, TEXAS 77073 / PHONE: 281-821-7150 / WWW.TEX-FIN.COM

S.O. # : 18690-1 BY : CMP / CHK : SDF 9-24-2013 6

STRESSES DUE TO NOZZLE LOADINGS/WRC BULLETIN 107

(ALL LOADS ARE IN LBS.; ALL MOMENTS ARE IN FT-LBS.; ALL STRESSES ARE IN PSI)

HEADER WIDTH. = 6.0000 WRAPPER THICKNESS = 0.5000 CA=0.03120 NOZZLE O.D. = 4.5000 PAD THICKNESS = 0.0000 P= 350.00 RADIAL LOAD P = 1650. SHEAR LOAD VC = 1950. SHEAR LOAD VL = 1950. CIRC. MOMENT MC= 1650. LONG MOMENT ML= 1650. TORSIONAL MOMENT MT= 1350. STRESS CONCENTRATION FACTORS: MEMBRANE LOAD = 1.0000 BENDING LOAD = 1.0000

GEOMETRIC PARAMETERS; GAMMA = 5.8993 BETA = 0.7119 VALUE

AU AL BU BL CU CL DU DL FROM CURVE

932. 932. 932. 932. 519. 519. 519. 519. 0.732/ 0.408 1156. -1156. 1156. -1156. 1941. -1941. 1941. -1941. 0.026/ 0.043

0. 0. 0. 0. 1471. 1471. -1471. -1471. 0.1896 0. 0. 0. 0. 19480. -19480. -19480. 19480. 0.0709

-1699. -1699. 1699. 1699. 0. 0. 0. 0. 0.2190 -3438. 3438. 3438. -3438. 0. 0. 0. 0. 0.0125

******************************************************************************* SUMMATION

-3048. 1515. 7225. -1963. 23410. -19431. -18492. 16588. CIRC. STRESSES *******************************************************************************

519. 519. 519. 519. 932. 932. 932. 932. 0.408/ 0.732 1941. -1941. 1941. -1941. 1156. -1156. 1156. -1156. 0.043/ 0.026

0. 0. 0. 0. 4287. 4287. -4287. -4287. 0.5527 0. 0. 0. 0. 9208. -9208. -9208. 9208. 0.0335

-1010. -1010. 1010. 1010. 0. 0. 0. 0. 0.1302 -8098. 8098. 8098. -8098. 0. 0. 0. 0. 0.0295

******************************************************************************* SUMMATION

-6650. 5666. 11568. -8510. 15584. -5145. -11407. 4697. LONG.STRESSES *******************************************************************************

1086. 1086. 1086. 1086. 1086. 1086. 1086. 1086. 588. 588. -588. -588. 0. 0. 0. 0. 0. 0. 0. 0. -588. -588. 588. 588.

******************************************************************************* SUMMATION

1675. 1675. 498. 498. 498. 498. 1675. 1675. SHEAR STRESSES *******************************************************************************

COMBINED STRS. 7308. 6258. 11624. 8548. 23442. 19449. 18868. 16819. INTENSITY

******************************************************************************* MAXIMUM STRESS = 23442. YIELD = 30000. YIELD FACTOR = 0.8000 ALLOWABLE STRESS = 24000.

todd

Approved

todd

Approved

todd

Approved

todd

Approved