PART-1 INTRODUCTION
PART-3 DESIGN ASPECTS
PART-2 TYPES OF CHIMNEYS
PART-4 DESIGN
PART-5 CASE STUDIES
PART-1 INTRODUCTIONPART-1 INTRODUCTION
FUNCTIONFUNCTION
LETS OUT HOT FLUE GAS WITH LETS OUT HOT FLUE GAS WITH HARMFUL CHEMICALS INTO HARMFUL CHEMICALS INTO ATMOSPHERE AT A HIGHER ATMOSPHERE AT A HIGHER ELEVATIONELEVATION
APPLICATION
POWER PLANTSPOWER PLANTS PROCESS PLANTS PROCESS PLANTS
(CEMENTS,REFINERIES,CHEMICALS,(CEMENTS,REFINERIES,CHEMICALS,FERTILIZERS ETC.)FERTILIZERS ETC.)
PART-2 TYPES OF CHIMNEYS
CLASSIFICATION : 1
TYPE BASED ON MATERIAL OF WINDSHIELDTYPE BASED ON MATERIAL OF WINDSHIELD
S te e l R C C
C h im n e ys
CLASSIFICATION : 2
TYPE BASED ON LINING MATERIAL
B rick lin e r S te e l lin e r
C h im n e ys
TYPE BASED ON NO. OF FLUES
CLASSIFICATION : 3
S in g le f lue M u lti f lue
C h im n e ys
PART-3 DESIGN ASPECTS
SIZING OF CHIMNEY
- VOLUME OF FLUE GAS- VOLUME OF FLUE GAS
- TEMPERATURE OF FLUE GAS AT ENTRY - TEMPERATURE OF FLUE GAS AT ENTRY
POINTPOINT
- EXIT VELOCITY REQUIRED- EXIT VELOCITY REQUIRED
- COMPOSITION OF FLUE GAS- COMPOSITION OF FLUE GAS
STRUCTURAL DESIGN PARAMETERS - SHELL
HEIGHT OF CHIMNEYHEIGHT OF CHIMNEY INTERNAL DIAMETER OF FLUE AT EXITINTERNAL DIAMETER OF FLUE AT EXIT NUMBER OF FLUES (IF MULTI FLUE)NUMBER OF FLUES (IF MULTI FLUE) TEMPERATURE OF FLUE GASTEMPERATURE OF FLUE GAS
STRUCTURAL DESIGN PARAMETERS - SHELL (Contd.)
LOCATION OF SITE FOR WIND & LOCATION OF SITE FOR WIND & SEISMIC LOADSSEISMIC LOADS
BEARING CAPACITY / PILE CAPACITY BEARING CAPACITY / PILE CAPACITY TYPE OF LININGTYPE OF LINING
LOADS ON CHIMNEY SHELL DEAD LOADSDEAD LOADS LIVE LOADSLIVE LOADS WIND LOADSWIND LOADS SEISMIC LOADSSEISMIC LOADS
STANDARD FOLLOWED
IS : 4998 (PART 1) - 1975IS : 4998 (PART 1) - 1975 IS : 4998 (PART 1) - 1992IS : 4998 (PART 1) - 1992 RCC CHIMNEYS RCC CHIMNEYS ACI 307-95ACI 307-95 ASCE - TASK COMMITTEE ON STEEL LINER ASCE - TASK COMMITTEE ON STEEL LINER CICIND CODECICIND CODE IS : 6533 (PART 1) - 1989IS : 6533 (PART 1) - 1989 IS : 6533 (PART 2) - 1989IS : 6533 (PART 2) - 1989 STEEL STACKSSTEEL STACKS
PART-4 DESIGN
DESIGN
SINGLE FLUE BRICK LINERSINGLE FLUE BRICK LINER SINGLE FLUE STEEL LINERSINGLE FLUE STEEL LINER MULTI FLUE BRICK LINERMULTI FLUE BRICK LINER MULTI FLUE STEEL LINERMULTI FLUE STEEL LINER STEEL STACKSSTEEL STACKS
DESIGN INDIAN CODESINDIAN CODES
INTERNATIONAL CODESINTERNATIONAL CODES
SINGLE BRICK FLUE
SINGLE STEEL FLUE
TRIPLE STEEL FLUE
TWIN BRICK FLUE
PART-5 CASE STUDIES
SALIENT FEATURES
No. of chimneys : 2
Height : 220m
Client :NEYVELI LIGNITE CORPORATION
SALIENT FEATURES
No. of chimneys : 2
Height : 220m
Client :KARNATAKA POWERCORPORATION LTD.
SALIENT FEATURES
No. of chimneys : 2
Height : 220m
Client :KARNATAKA POWERCORPORATION LTD.
SALIENT FEATURES
No. of chimneys : 1
Height : 220m
Client :TAMIL NADU ELECTRICITY BOARD
SALIENT FEATURES Height : 141 m
Project:Tadipatri Cement Plant
Client :Larsen & Toubro Ltd.Group - V.
SALIENT FEATURES Height : 101 m
Temp. of flue gas : 760 Deg.C
Client :GGL Float facility,Ankleshwar.
SALIENT FEATURES Height : 125 m
Project:Hirmi Cement Plant
Client :Larsen & Toubro Ltd.Group - V.
SALIENT FEATURES Height : 92 m
Project:Captive power plant,Nellikuppam
Client :EID Parry (I) Ltd.,Nellikuppam
SALIENT FEATURES Height : 135 m
Project:Gujarat Cement Plant
Client :Larsen & Toubro Ltd.Group - V.
SALIENT FEATURES Height : 90 m
Project:Mangalore Refineries &Petrochemicals Ltd.
Client :Larsen & Toubro Ltd.
SALIENT FEATURES Height : 30 m
Project:Captive power plant,Vizag.
Client :Rain Calcining Ltd..
Salient Features
Height : 100m
No of flues : 3
Type of flue : Steel
Project:3 x 45 MW Captive Cogen Plant,Gandhar
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