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A C

B'

CA A 2013

D

B

Bharat Heavy ElectricalsBharat Heavy ElectricalsBharat Heavy ElectricalsBharat Heavy Electricals LimitedLimitedLimitedLimitedCombined CycleCombined CycleCombined CycleCombined Cycle

Demonstration PlantDemonstration PlantDemonstration PlantDemonstration Plant

TiruchirappalliTiruchirappalliTiruchirappalliTiruchirappalli

Coal ResearchCoal ResearchCoal ResearchCoal Research

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B B A

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B A

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CC

1970 C C (CC)

A ,

C G( G), C G

BHE I C G 1983 C

/

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C

B B

18D B (B)

.

A B

CC

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D CC

A 6.2 IGCC B @ BHE

C F C 150 D

G 4.0 (I) 2 (BHE )

G BHE

I IGCC A B

G

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6.2 CC B (B)

TAR

SEPARATORSETTLER

DRUM

COAL

1

6 7

16

540oC

FLARELEAN LIQUORTAR OIL

4

8

1 COAL LOCK

2 GASIFIER

3 ASH LOCK

4 DRUM

5 AIR STEAM MIXER

2

BFW FROM 13

~

~

3

9

10

12

141315

2.2Mwe

4Mwe

5

11

7 TAR QUENCH

8 VENTURI SCRUBBERS

9 COMBUSTION CHAMBER

10 COMPRESSOR

11 GAS TURBINE

12 HRSG

13 DEAERATOR

14 STEAM TURBINE

15 BOOSTER COMPRESSOR

16 SYSTEM PRESSURE CONTROL

COAL

AIR

STEAM

GAS

WATER

ASH

ASH

AIR

TO 4

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B

G : A D

H C & DG &

F D/

B G

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6.2 B CC

C , H 635

C , H 5500

G 20

(37% )

E G 1,000,000

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B

D G

B IGCC

C & C

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D B

:

: 6 30 :

, E

G (G + CD)

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C

B B

18D B (B)

A B

CC

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D (D)

E

C

, , ,

C

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D

C 18 / DA

G AI /

G . 1000 D C

G 11 / 2

G 1150 K / 3

C 6

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D D

Phase - I

Phase - II

Phase - III

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D

D

3540 %

C :1200

2852%

: 2.12.73/

: 9001000/3

C : 800

C 1020 / 3

C : 500

B

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C B B

ParameterParameterParameterParameter Moving BedMoving BedMoving BedMoving Bed PFBGPFBGPFBGPFBG RemarksRemarksRemarksRemarks

Coal Feed Size

Limitation

6-30 mm upto 6 mm Loss of 20-30% (

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C

B B

18D B (B)

6.2 B

A B

CC

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6.2 B CCD

6.2 BG CCD() FBG

E ED D D 6.2 FBG

E CAE :G C , G C , C C , B

C H

C : 150 170

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6.2 B CCD..

C :

G :

C :

B : ,

G : H G

F :

G :

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6.2 CC D ( CCD)

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6.2 B

100

10,000

340

&

D G 200

H

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6.2 B

,

I /

, , , ,

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6.2 B

H

A 5 .

A

E

A F A

A I &

A

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6.2 B

( G )

E/

G A, DD

C AGEC

C &D

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C

B B

18D B (B)

6.2 B

A B

CC

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A B (AB)

C : 2.0 D

: 3 /2

: 10001050 D C

G : D

C A : 35 42%

G : A/E +

C : 04

: BHE C. &D, H

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AB

:

A

C

C

B

I

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C

B B

18D B (B)

6.2 B

A B

CC

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CC

2002: () A (A)

J 2003: &D A (C: BHE, C,

D, CI HB)

&D C IGCC , FBG, (35% 45%) I

F 2003: &D 6.2 FBG G (:BHE, C HB) BHE 100

100 :

C 85% C 71%C 10001100 K/ 3 G 39%

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B

A AFBG , ED 6.2 FBG ( , , , .) (,

, , .)

D

I ,

G

BHE &D

D A (A)

&

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&C &D C

6.2 B 2005

C : 8889%

C : 68.8%.

C : 1100 K/3

C

6.2 IGCC BHE &D C.

F 6.2 CCD/BHE 100

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C B B

Parameters UnitSemi Pilot

Scale APFBGPEDU PFBG

Gasifier coal capacity TPD 1.2 18 168

Gasification

temperatureDeg C 1050 950-1025 950-1050

Gasification Pressure Kg/cm2 3 11 12.5

Gasification media Air + Steam Air + Steam Air + Steam

Gas Cleaning System Dry Wet Wet

CO+H2 percent 32.7 33.4 32.6-34.2

CH4 percent 1.00 0.87 1.70

Gas CV Kcal/Nm3 900-1080 950-1095 1000-1150

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Start

July,

1983

Compln

Jan,

1997

StartMay,

1986

Compln

Sep,

1992

6.26.26.26.2 MweMweMweMwe IGCCIGCCIGCCIGCCwith movingwith movingwith movingwith moving

bed gasifierbed gasifierbed gasifierbed gasifier

PEDU pilotPEDU pilotPEDU pilotPEDU pilot

plantplantplantplant based onbased onbased onbased on

PFBGPFBGPFBGPFBG

To gainTo gainTo gainTo gain

experience inexperience inexperience inexperience in

gasification andgasification andgasification andgasification and

IGCC plantIGCC plantIGCC plantIGCC plant

operationoperationoperationoperation

Design andDesign andDesign andDesign and

fabrication offabrication offabrication offabrication of

major equipmentmajor equipmentmajor equipmentmajor equipment

and developmentand developmentand developmentand development

of PFBGof PFBGof PFBGof PFBG TechTechTechTech

Commg

Mar

1988

CommgMay,

1988

StartSep,

19936.26.26.26.2 MweMweMweMwe IGCCIGCCIGCCIGCC

retrofitted withretrofitted withretrofitted withretrofitted with

PFBGPFBGPFBGPFBG

PFBG integrationPFBG integrationPFBG integrationPFBG integration

to IGCC and datato IGCC and datato IGCC and datato IGCC and data

generation forgeneration forgeneration forgeneration for

scalescalescalescale----upupupup

CommgJan,

1996

AdvancedAdvancedAdvancedAdvanced

Fluidized BedFluidized BedFluidized BedFluidized Bed

GasificationGasificationGasificationGasification

(APFBG) plant(APFBG) plant(APFBG) plant(APFBG) plant

Start

1996

Commg

1997

For conductingFor conductingFor conductingFor conducting

vast number ofvast number ofvast number ofvast number of

experimentsexperimentsexperimentsexperiments

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C

B B

18D B (B)

6.2 B

A B

CC

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6.2 FBG (CCD)

& A

C2 (I C &D G) CCD

G C

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I I , IGCC

BG & FBG I

,

BHE I , , , BG & FBG

E , BHE IGCC .

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