parameter 500 mw

7/27/2019 Parameter 500 Mw

1/3Sheet 1 of 3

CONTRACT DATA SHEET

CONTRACT NO. 0663

Contract Date:

April, 2008

PURCHASER CSEB

PLANT NAME

KORBA WEST TPP EXTN -

STAGE III 1 x 500 MW,

CONS. ENGG

--- Utility

PROPOSED FUEL Sub Bituminous CoalAsh Fusion

Temp

HHV

Kcal/kg

Grindability

(HGI)

FC% 24.0 VM% 21.0 M% 14.0 Ash% 41.0 S% 0.28 1400oC 3300 55

FUEL BURNING EQUIPMENT

TYPE

MainBurners

Tilting Tangential

StabilisationBurn

ers

Low NOx

MILLS

Type: XRP 1003

MAKE & NOS. BHEL, 40 BHEL, 20 Make & Nos.: BHEL, 10

CONTROL Air Damper Air Damper Capacity: 65.0 t/h @ DC

CAPACITY 55 x 106 kcal/hr. 18.51 x 106 kcal/hr.Motor kW : 525Speed (RPM) : 1000

DISPOSITION Corners Corners System: Cold PA

FURNACE Type: Balanced Draft Furnace with Fusion Welded Water Walls

WIDTH 19177 mm DEPTH 16115 mmVolume m : 17599 (as per specification)

Fuel Heat Input: 1234.2x106 kcal/hr @ BMCR DC

BOILER Controlled Circulation with Rifled Tubing, (CC+),

Radiant Reheat, Dry Bottom, Top Supported

Pressure

Drum Design:

209 kg/cm2 (g)

DESIGNATION:

+

CC

51235

51301

16115

19177

Super heater outlet:

178.0 kg/cm2 (g) - BMCR

SUPER HEATERStage: 1

Type: LTSH Horizontal and Pendant

H.S

.Aream

2 8661

Total H.S. m2

11561

Stage: 2

Type: SH Division Panellette (Tube Projected)1415

Stage: 3

Type: SH Finish Platen (Tube Projected)1485

ATTEMPERATOR Type: SprayNo. of Stages:

Single Stage

Medium of Spray:

Feed Water

REHEATERType: Stage-I: Pendant Platen,

Stage-II: Pendant Spaced

Total: H.S. m

8620

Control: Burner Tilt

and Excess Air


2/3

Sheet 2 of 3

CONTRACT DATA SHEET

CONTRACT NO. 0663

Contract Date:

April, 2008

ECONOMISER Type: Plain Tube Total H. S. m : 15200 No. of Blocks: 3

AIR HEATER

Type: Bisector

Primary: 27.5 VI 2000

Secondary: 30.0 VI 2000

Total:

H.S. m2

Primary:40070

Secondary:62740

Motor

kW

Primary:11.0

Secondary:18.5

Nos.:Primary: 2 Nos.

Secondary: 2 Nos.Make: BHEL

BOILER AUXILIARIES

FANS Type Make NosFlow

m3/s

Pressure

mmwc

Temp

oC

DriveSpeed

rpm

Motor

kWControl

FDFAN

AXIALAP1-26/16

BHEL 2 277 410 50 Motor 980 1430BladePitch

Control

PAFAN

AXIALAP2-20/12

BHEL 2 193 1195 50 Motor 1480 2800BladePitch

Control

IDFAN

RADIAL NDZV47

SIDORBHEL 2 609 490 150 Motor 580 4000

InletDamperControl+ VFD

SOOT BLOWERS TYPE Make No.s Medium

FURNACE Wall Blowers BHEL 88 Steam

SH PANELSH PLATENLTSHREHEATERECONOMISER

Long RetractableSoot Blowers

BHEL 40 Steam

DUST COLLECTOR Make Nos.DustConcentrationat inlet

Flue Gas FlowCombinedEfficiency %

FAA-9x45M-

2x92150-2BHEL 4 74.0 g/Nm3 617.1 Nm3/Sec

(One field out of

service)

99.932

PIPE LINES MAIN STEAM HOT REHEAT COLD REHEAT FEED WATER

SIZE mm x mm 406.4 x 38 711.0 x 25 660 x 22 508 x 64

No. OFF 2 2 2 1

MATERIAL SA 335 P91 SA 335 P91 SA 106 GR.C SA 106 GR.C


3/3

Sheet 3 of 3

CONTRACT DATA SHEET

CONTRACT NO. 0663

Contract Date:

April, 2008

BOILER MOUNTINGS

Location Type Make No. Set Pr. Kg/cm2(g)Size in / out

(mm)

Safety

Valves

Drum

1750 WB

1740 WB

BHEL

4

2

209.0, 211.1

213.2, 213.2

215.3, 215.376.2/152.4

SH

Outlet

SV

ERV

1740 WD

1538 VX-10W BHEL

2

5

188.5, 188.5

185.5, 185.5,186.6,

186.6, 186.6

76.2/152.4

63.5/101.6

RH

Inlet 1786 WB BHEL 4 52.4, 52.4, 54.0, 54.0 152.4/254

Outlet

1786 WE

1525 VX BHEL

4

4

48.4, 48.4, 49.9, 49.9

47.4, 47.4, 47.9, 47.9

152.4/203.2

152.4/203.2

WaterLevel

IndicatorDrum

DWLG

EWLI

Yarway

BHEL

2

4

-

-

21 VISIBILITY

BHELVISION

MAIN PARAMETERS

FUEL DESIGN COAL

UNIT100%BMCR

100%TMCR

50% TMCR

GENERATOR MW - 500 250

FLOWSuperheat t/h 1590.0 1457.9 755.4

Reheat t/h 1358.0 1302.1 656.8

STEAM

Total Heat Output of System (Q Duty) Mkcal/h 1046.6 969.7 538.6

Pressure at Super Heater Outlet kg/cm2(g) 178.0 176.6 171.1

Temperature at SH Outlet oC 540 540 540

Pressure at Reheater Inlet kg/cm2(g) 45.02 43.19 21.45

Temperature at Reheater Inlet oC 337.5 337.1 310.7

Pressure at Reheater Outlet kg/cm2(g) 42.37 40.65 20.17

Temperature at Reheater Outlet oC 568 568 568

Feed Water Temperature (ECO Inlet) oC 254.5 253.4 219.4

Ambient Air Temperature oC 27 27 27

Combustion Air Temperature (Secondary) oC 311 305 262

Fuel Quantity t/h 374 347 193

Air Quantity (Total Combustion Air) t/h 2024 1855 1033

FLUE

GAS

Temp. of Gas at Boiler Exit (Corrected) oC 126 125 114

Temp. of Recirculation Gas oC - - -

Quantity of Recirculation Gas t/h - - -

Efficiency Based on HHV (BSEN 12953-15:2003) % 84.84 84.85 84.74

parameter 500 mw

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