Water steam Circuit in Supercritical Boiler for 660MW Power Plant

WATER-STEAM CIRCUIT inSUPER CRITICAL BOILER

Prepared By: Hareesh VSJr.ManagerIOTEP BARH

BOILER PARAMETERS

Main Boiler TypeOnce Through, Single Reheat, Coal Fired, Balanced draft, Side Fired, Tower type & Symmetrical to Both Axis

Boiler AreaFurnace :- 14.9 X 23.04 MSecond Pass :- 6.07 X 23.04 M X 2( Both side of Furnace)Roof :- 44.35 X 23.04 M

Design FuelGuarantee Bituminous CoalLCV :- 3026 kcal/kgHCV :- 3300 kcal/kg

Material of Construction 12X1MФ and 15X1MФ

Main Steam Flow 2225 T/Hr

Main Steam Pressure 256 Kg/cm2

Main Steam Temp 540 OC

RH Steam Flow 1746 T/Hr

RH Steam Pressure 46.13 Kg/cm2

RH Steam Temp 568 OC

Feed Water Temp 290 OC

Economizer

Suspension Tube

Tubes to furnace ww first run

Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run

Horizontal gas duct ww

Hanger tube 1

Roof ww

Hanger tube 2

Convection ww

Steam to steam heat exchanger

Separator

Platen super heater Stage 1,2,3 & 4

Boiler Feed pump

Final Super heater

Economizer

Suspension Tube


Boiler Feed pump

HP Turbine IP & LP Turbine

Reheat system

Economizer Lower Block

Economizer Upper Block

Suspension Tubes

Collecting Header3320C, 299kg/cm2

Steam to steam heat exchanger Hot suspension


Intermediate Header

Distribution Header of Furnace WW First run

Inlet Header of Furnace WW First run

Boiler Feed Pump

FRH & HP Heaters2900C, 304kg/cm2

Line From Deaerator

Line From BFP

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Recirculation pump


Reheat system

Collecting Header Furnace WW first run

Furnace Side Hot suspension Lower Part

Furnace Front & Rear Hot suspension Lower part

Tubes to Furnace Side Hot suspension Lower part

Furnace WW First RunFurnace Front & Rear Water Wall

Lower panels And Extreme End

panels of Side water Wall Lower

part

Furnace WW first run panels

Furnace Hot suspension Lower Part collecting Header (3770C, 301kg/cm2)

First Run WW Outlet Headers (Intermediate Headers)

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Recirculation pump


Reheat system

Side View of Boiler

Collecting Header Furnace WW first run

Furnace Front & Rear Hot suspension Lower Part

Furnace Side Hot suspension Lower part

Furnace Hot suspension Lower Part collecting Header

Inlet Header of Furnace Second Run

Extreme Panels of Side WW

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Recirculation pump


Reheat system

Furnace WW second run panels

Outlet Headers of Furnace Second run WW panels

(4010C, 296kg/cm2)

Mixing Headers of Furnace Second run WW panels

Tubes to Furnace Hot suspension Middle part

Furnace Hot Suspension Middle Part

Collecting Headers of Middle Part of Hot Suspension

HP Spraying Attemperator-1

Distribution Header to Furnace 3rd Run

Furnace WW Second RunFurnace Side Water walls Lower Part

Side View of Boiler

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run

Recirculation pump


Reheat system

Inlet Headers Furnace WW 3rd run panels

Furnace WW 3rd run panels

Outlet Headers of Furnace WW 3rd run panels at Horizontal Gas duct Bottom Area (Arch Area)

(4330C, 291kg/cm2)

Tubes to Intermediate Headers of 3rd Run WW

Distribution Header to Furnace 3rd Run

Tubes to Inlet Headers of 3rd Run WW

Side View of Boiler

Furnace WW Third RunAll Upper Panels of Furnace Front,

Rear & Side Water walls

`

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Recirculation pump


Reheat system

Tubes to Inlet Headers of 3rd Run WWInlet Headers Furnace WW 3rd

run panels

Furnace WW 3rd run panels

Intermediate Headers of 3rd Run WW

Inlet Headers of Horizontal Gas Duct WW

Horizontal Gas Duct WW

Collecting Header ofFurnace 3rd Run

Inlet Header of Hanger Tube 1

Hanger Tube 1(4410C, 288kg/cm2)

Outlet headers of 3rd run panels(4430C, 291kg/cm2)

`

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Recirculation pump


Reheat system

Inlet Header of Hanger tube 2

Roof WW Inlet Header

Roof Water Wall

Roof Water Wall CollectingHeader (4480C, 284kg/cm2)

Distribution Header of Hanger Tube 2

Hanger Tube 2

``̀` `̀ `

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww

Recirculation pump


Reheat system

Distribution Header Of Upper Hot suspension Convection Shaft & Furnace Area

Tubes to FurnaceHot Suspension

Tubes to Convection Hot Suspension

Convection ShaftHot Suspension

Tubes to Hot Suspension Collecting Header

Distribution Header of Convection Shaft WW

Convection ShaftWater Walls

Hanger Tube-3

Collecting Header Of Hanger Tube-2(4520C, 281kg/cm2)

``̀` `̀ `

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator

Recirculation pump


Reheat system

Collecting Header of Convection Shaft WWs & Hanger Tube – 3(4650C, 278kg/cm2)

Steam To Steam HeatExchanger

High Pressure Tubes toCollecting Header of SSHE(4570C, 274kg/cm2)

High Pressure SprayAttemperator – 2(4390C, 273kg/cm2)

Separator

Drain Header

Wet Steam

Moisture Content in Steam After Separation

Tubes to Steam To Steam HeatExchanger

`

``̀` `̀

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater


Reheat system

Tubes to Platen SuperHeater (4390C, 273kg/cm2)

Rear

Front

Righ

t

Left

I/L

O/L

O/L

Steam Flow in 4 Stages of Platen Super Heater

I/L

Platen Super Heaters Stage 1, 2, 3 & 4.

Tubes to Final Super Heater(5000C, 258kg/cm2)

Convection Super Heater(Final Super Heater)

Main Steam Out Let Header(5400C, 256kg/cm2)

Spray Type Attemperator -3(5110C, 259kg/cm2)

`

``̀` `̀

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater

Economizer

Suspension Tube


Furnace ww 1st Run

Furnace ww 2st Run

Attemperator 1st

Furnace ww 3rd run


Hanger tube 1

Roof ww

Hanger tube 2

Convection ww


Separator


Recirculation pump

Final Super heater


LPR Stage - II

LPR Stage - I

HP Turbine

LPR Stage - I

LPR Stage - II

IP & LP Turbine

Cool

ed R

e H

eat L

ine

(297

0 C, 4

8kg/

cm2 )

Hot

Re

Hea

t Lin

e (5

680 C

, 46k

g/cm

2 )

HP Turbine LP TurbineIP Turbine Generator

CouplingGenerator

Mai

n St

eam

Lin

e to

TG

(540

0 C, 2

56kg

/cm

2 )

Steam to Steam Heat Exchanger

Suspension Tubes of LPR

LPR Middle

LPR Upper

Collecting Header of LPR(4840C, 47kg/cm2)

LP Spray Atemperator

LPR Stage – 2(Final)

LPR Lower

HRH

Lin

e

CRH Line from HP Turbine

Condenser

Deaerator

Water Line To Boiler Feed Pump

Cooling Water

Hot Water to Cooling Tower

Make Up Water Line From DM Plant

Tube to Low Pressure Reheater(4490C, 28kg/cm2)

THANK YOU

Water steam Circuit in Supercritical Boiler for 660MW Power Plant

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Transcript of Water steam Circuit in Supercritical Boiler for 660MW Power Plant