chimney present

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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