Tech Diary

NTPC/ SINGRAULI ��

Introduction of NTPC, Singrauli Address NTPC, Singrauli

PO.SHAKTINAGAR, DISTT - SONEBHADRA (U.P.) PIN NO.231 222, STD CODE NO 05446

CAPACITY: 2000 MW STAGE-I units are 5X200 MW (3X200 MW in Ph I & 2X200 MW in Ph II) STAGE-II units are 2 X 500 MW

Land PLANT - 550 ACRES TOWNSHIP - 930 ACRES

Water sources Rihand reservoir

Coal Sources Jayant mines

Beneficiary States UP, J&K, Himachal Pradesh, Chandigarh, Haryana, Punjab & Delhi.

Major Events of NTPC/Singrauli UNIT

FIRST SYNCHRONIZATION

COMMERCIAL OPERATION

Unit # 1

13th February 1982 01st June 1982

Unit # 2

25th November 1982 01st February 1983

Unit # 3

28th March 1983

01st July 1983

Unit # 4

02nd November 1983 01st January 1984

Unit # 5

26th February 1984

01st June 1984

Unit # 6

23rd December 1986

01st June 1987

Unit # 7

24th November 1987

01st May 1988


AUXILIARY BOILER TYPE : STEAM GENERATING UNITS FRONT FIRED,BIDRUM BOILER PACKAGE TYPE SUITABLE FOR HEAVY OIL NATURAL CIRCULATION ,BOTTOM SUPPORTED, SEMI OUT DOOR. CAPACITY 27.5 T/hr PRESSURE - 15.3 kg/cm2 TEMP 215 deg C FUEL CONSUMPTIO- 2 T/hr FD FAN 23 m3/sec EFFICIENCY- 82.92% NO. OF BURNER ONE FURNACE HEATING SURFACE- 100m2

FUEL OIL FUEL : HFO (HEAVY FUEL OIL) GROSS CV 11000 K Cal /kg FLASH POINT - 60 degC KIN VISCOCITY 370 CS Maxi(at50degC)


TURBINE & AUXILIARIES Main Turbine Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE

LMW-USSR KWU,W.GERMANY

TYPE Condensing Tendom compound, three cylinder, Horizontally split, disc & Diaphragm type, Impulse Turbine, Nozzle Governing and regenerative feed water heating, double flow LP turbine

Condensing Tendom compound, HP cylinder barrel type IP cylinder horizontally split, reaction throttle governing, regenerative feed water heating, HP single, IP&LP double flow

RATING

200 MW 500 MW

RATED SPEED

3000 RPM 3000 RPM

PRESSURE

130 kg / cm2 170 kg / cm2

TEMPERATURE

536 °°°°C 537 °°°°C

STEAM FLOW

612 T / hr 1530 T /hr

STAGES

HPT 12, IPT 11, LP 4X2 HP 18, IP 14X2, LP 6X2

CRITICAL SPEED

1585, 1881, 2017, 2489, 4508

900, 1548, 1896, 2700

Barring Speed 3.4 RPM 80-120 RPM

Barring Gear

Electric Drive Hydraulic

HPC exhaust pr

25.46 kg/cm2 45 kg/cm2

HPC exhaust temp

314 °°°°C 342.5 °°°°C

IP stop valve inlet pr 22.713 kg/cm2 40.5 kg/cm2

IP stop valve inlet temp

536 °°°°C 537 °°°°C

LPC exhaust pr (Condenser back Pr)

76 mm of Hg 60.45 mm of Hg

HPT Expansion

+5 to -2mm +5 to -3mm

IPT Expansion

+4 to -3.5mm +8 to -2mm

LPT Expansion

+5.5 to -3.5mm +30 to -3mm


Lube Oil System Description

STAGE I (5 X 200 MW) STAGE II (2 X500 MW)

MOT CAPACITY

28000 LITERS 40000 LITERS

LUBE OIL SERVO PRIME-46 SERVO PRIME-46

Main Oil Pump CAPACITY Pressure Drive

One 7000 Liters per minute 20kg/cm2 TURBINE SHAFT

One 8 dm3/sec 8.67kg/cm2 TURBINE SHAFT

Auxiliary Oil Pump CAPACITY Pressure Drive

One (Called as SOP) 3330 Liters/Minute 20kg/cm2 AC DRIVEN 200KW, 6.6KV, 985RPM, 21.8A

Two 76 dm3/sec 5.8kg/cm2 AC DRIVEN 90KW,158A,415V, 1488RPM

AC Lube Oil Pump CAPACITY Pressure Drive

One 2500 Liters /min 30 Meters WC 415V, 25KW, 46A, 980RPM

Purpose is served by the AOPs mentioned above

DC Lube Oil Pump (Emergency oil Pump) CAPACITY Pressure Drive

One 1800 LTS/MIN 22 MWC 220V DC, 13KW, 67A, 1500 RPM

One 32dm3/sec 1.7kg/cm2 220V DC, 110.1KW, 2800RPM, 164 A

JACKING OIL PUMP CAPACITY Pressure Drive

2 AC driven + 1 DC driven 1.8 dm3/sec 140 ksc AC 0.4 kV, 37 kW, 70 A DC 220 V, 37 kW, 190 A

Air side Seal Oil Pumps CAPACITY Pressure Drive

1 AC driven + 1 DC driven 3.6 liter per second 120 m of wcl AC 415V,11kW, 21.15A DC 220V, 22 kW, 112 A

2 AC driven + 1 DC driven 3.3 dm3/sec 15 bar AC 415 V, 7.5 kW DC 220 V

H2 side Seal Oil Pumps CAPACITY Pressure Drive

Nil

One 2.17 dm3/sec 15 bar AC 415 V, 4 kW


GOVERNING OIL SYSTEM Description

STAGE I (5 X 200 MW) STAGE II (2 X500 MW)

GOVERNING OIL

SERVO PRINE-46 EHC-FRYQUAL

Sp. gravity 50degC

0.852 1.142

kinematic Viscosity

28 CS

Neturalisation NO. 0.2

Flash point 201 deg C 455

Pour point -6.6deg C 0.00

Ash% by wt. 0.01% n/a

Mech impurities nil n/a

Acid NO 0.03


MOT CENTRIFUGE

NO ONE ONE

CAP 7000 LPM 7500 LPM

PR 1.2 kg/cm2 1.5 kg/cm2

Cut off oil Temp 65 degC 68+2 degC

Cut off water Temp 90 degC +90 degC

RATING 9.3KW,415V,1500RPM 11KW,415V,1500RPM

LUBE OIL COOLER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO + ONE STANDBY TWO X 100 %

FLOW 240m3/hr

OIL I/L TEMP

60 degC 65 degC

OIL O/L TEMP

40 degC 45 degC

SEAL OIL COOLER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO AIR / H2 SIDE TWO /TWO

OIL FLOW 9.6 m3/hr

3.33/2.17 m3/sec

COOLING WTR FLOW

95 m3/hr 8.1/5.43 dm3/sec

HEAT DISSPATING

44.5KW 0.12/0.069 G Cal

OIL I/L TEMP

55 degC 30-40/30-40 DegC

POWER

75KW,87A,415V, 960/4KW,87A,415V,960


STATOR WATER COOLER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

PRIMARY WATER FLOW

25m3/hr

PRIRY WATER I/L TEMP

72.6 degC

PRIRY WATER O/L TEMP

45 degC

COOLING WATER FLOW

200 m3/hr

COOLING WATER I/L-O/L

40-43.4degC(maxi)

HYDROGEN COOLER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR FOUR(VERTICAL)

GAS PRES. 3kg/cm2

4 bar

GAS FLOW/COOLER 7.5 m3/sec 33 m3/sec

COLD/HOT GAS TEMP 43/65degC(Maxi)

43/75degC

MAX WTR IN/OUT TEMP

36/ degC 38/47degC

COOLING WATER FLOW/CLR

87.5 m3/hr

150 dm3/s

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW


CONDENSER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE DOUBLE PASS SINGLE SHELL

TWIN NEST,DOUBLE PASS SINGLE SHELL

NO. OF TUBES 15620

24720

TUBE LENGTH 9320 mm

CW FLOW 27000m3/hr

55017m3/hr

CW VELOCITY 1.6m/sec 2.13m3/sec

TER.TEMP DIFF. 3.78degC

3.17degC

TUBE CLEANING

BACKWASH BALL CLEANING SYS.

CW I/L TEMP

33deg min 36deg max

28 deg min 35 deg max

VACCUM IN CONDENSER

73.5mm of Hg min 88.5mm of Hg max

60.45 mm of Hg

AIR EXTRACTION SYSTEM / VACCUM RAISING SYSTEM

MAIN AIR EJECTOR TWO NIL

STARTING AIR EJ. ONE NIL

VACUUM PUMP TWO 590 RPM, 82-92KW

VACUUM PUMP NIL TWO

MAXI QTY OF AIR EXT

50 NM3/hr 85 m3/hr.

STEAM QTY TO STAR EJECTOR

3300Kg/hr

STEAM QTY TO MAIN EJECTOR

1100Kg/hr

MAXI QTY OF AIR EXT

700 NM3/hr


CONDENSATE EXTRACTION PUMP (CEP)

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NOS/UNIT THREE(ONE STANDBY) THREE(ONE STANDBY)

TYPE SINGLE SUCTION

DOUBLE SUCTION

NO. OF STAGES

5 5

FLOW RATE 283m3/hr 810m3/hr

TDH AT DESIGN CAPACITY

201 MWC

DIS PRES MAXI/MINI

20/15kg/cm2 30.4 ata

I/L SUCTION TEMP 40 degC 43.1degC

NPSH

1.7m at 282m3/hr 4.1m

EFFICIENCY

75.3% 75.3%

MOTOR RATING

230KW,25A,6.6KV, 1490 RPM

1120KW,112A,6.6KV 1480 RPM


FEED WATER HEATERS LP HEATERS

Description STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO./UNIT FOUR THREE

LPH-1

PLACEMENT INSIDE CONDENSER

INSIDE CONDENSER

WATER FLOW

672 T/hr 1209 T/hr

TEMP I/O

50.36/60.67 degC 46/63degC

STEAM FLOW /PRES / TEMP

8461Kg/hr/.27Ata Abs 38550/0.26684/66 Kg/hr/Kg/cm2 / DegC

LPH-2 OUT SIDE OUT SIDE

WATER FLOW

672 T/hr 1209 T/hr

TEMP I/O

67.71/99.71 degC 63/104 degC

STEAM FLOW / PRES / TEMP

23533 Kg/hr/1.284Ata 172 DegC

812263/1.3139/136.2 Kg/hr/ Kg/cm2/DegC

LP-3 OUT SIDE OUT SIDE

WATER FLOW

672 T/hr 1209 T/HR

TEMP I/O

100.36/123.75 105/125degC

STEAM FLOW/PRES/TEMP

19543Kg/hr/2.775Ata 252 degC

44710/2.5809/195.4 Kg/hr/Kg/cm2/DegC

LPH-4

OUT SIDE

WATER FLOW 672 T/hr

TEMP I/O 123.75/154.83

STEAM FLOW / PRES / TEMP

22153Kg/hr/6.468 Ata 368 deg C


FEED WATER HEATERS HP HEATERS

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO./UNIT THREE FOUR

HPH-1

HP-5

HP-5(5A-5B)

WATER FLOW

672 T/hr 765.87 T/hr

TEMP I/O 166.76/187.29 166/207 degC


13515/12.13/440 Kg/hr/AtaAbs/degC

47985/18.44/428.4 Kg/hr/Kg/cm2/DegC

HPH-2

HP-6 HP-6(6A-6B)

WATER FLOW

672 T/hr 765.87 T/hr

TEMP I/O

187.29/224.75 207/267 degC


41949/25.75/314 Kg/hr/AbaAbs/DegC

73450X2/42.56/342.3 Kg/hr /Kg/cm2/DegC

HPH-3

HP-73

WATER FLOW

672 T/hr

TEMP I/O

224.75/248.75


27940Kg/hr/39.59 Ata Abs 369 degC

DEARATOR AND STORAGE TANK

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. ONE ONE

TYPE SPRAY

SPRAY

STORAGE CAPACITY

140 m3 170m3

LOCATION 23 m 27 m


BOILER FEED PUMP

Description STAGE I

5 X 200 MW STAGE II 2 X500 MW

MAKE WEIR PUMPS WEIR PUMPS

NOS./UNIT THREE

THREE

DRIVE

MOTOR DRIVEN TWO NOS (TDBFP) TURBINE DRIVEN ONE NO. (MDBFP) MOTOR DRIVEN

BFP BOOSTER PUMP

STG-I BFP

TDBFP - MDBFP

SUCTION PRES 8kg/cm2

5.7bar -7.2 bar

SUCTION TEMP 160degC

164 degC-164degC

DISC.PRESSURE

14kg/hr 27.27bar-20.27bar

FLOW RATE

444 T/hr 1080m3/hr-1080m3/hr

EFFICIENCY

78.5%

80%-80%

BFP MAIN PUMP

STG-I BFP

TDBFP - MDBFP

NO. OF STAGE

6 4+1 4+1

SUCTION TEMP 165degC 164.6degC / 164.6degC

SUCTION PRESS 14/kg/cm2

20.27bar / 20.27bar

DISC PRESSURE

193.6 bar 204.32bar / 205.32bar

FLOW RATE

444 T/hr 1080.3 / 1080.3 m3/hr

EFFICIENCY

80% 81.6%/81.4%

POWER

3500KW,6.6KV, 9800KW, 987A 6.6KV

MOTOR RPM

1485 1493

BFP RPM

5000(Maxi) 5690 - 5705


AUXILIARY COOLING WATER PUMP

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

STAGE II 2 X500 MW

ACW PUMP ARCW PUMP DMCW PUMP

NOS./UNIT TWO (ONE STANDBY)

THREE (ONE STANDBY)

THREE (ONE STANDBY)

WATER RAW WATER

RAW WATER

DM WATER

FLOW

1300m3/hr 2300m3/hr

SUCTION HEAD 25 MWC 25 MWC

DISCHARGE HEAD 45 MWC

42.5MWC

99 MWC

MOTOR RATING

Ph-II- 200KW, 1490RPM, 258A Ph-I- 208KW, 1487RPM, 22A6.6KV

460KW,997RPM,6.6KV,36A

670KW, 996RPM, 77A,6.6KV,415V

CIRCULATING WATER PUMP

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NOS. 13 3 NOS/UNIT

TYPE TURBINE PUMP

VERTICAL WET WELL

CLOSED IMPELLER

MIXED BOWL TYPE

NO.OF SATGE ONE

CAPACITY 15000m3/hr

27000m3/hr

HEAD AT PUMP DISCHR

32 MWC

MOTOR RATING

1805KW,6.6KV,50HZ 3000KW,6.6KV,50HZ

RATED CURRENT

204 AMP 335AMP

RPM

495 370


STEAM GENERATOR (BOILER & AUXILIARIES)

STEAM GENERATOR (BOILER & AUXILIARIES)

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

FURNACE CONSTRUCTION

MEMBRANE WALL, WATER COOLED, DOWNWARD EXPANSION, SINGLE DRUM , DRY BOTTOM ASH TYPE WITH REHEATER NATURAL CIRCULATION

MEMBRANE WALL, WATER COOLED, DOWNWARD EXPANSION, SINGLE DRUM , DRY BOTTOM ASH TYPE WITH REHEATER CONTROLLED CIRCULATION

FURNACE VOLUME 5200 m3

14770 m3

FUEL

PULVERSIED COAL DIRECT FIRED OIL SUPPORT

PULVERSIED COAL DIRECT FIRED OIL SUPPORT

TYPE

BITUMINUS LOW GRADE

BITUMINUS LOW GRADE

FIRING SYSTEM

TILTING TANGENTIAL

TILTING TANGENTIAL

FUEL RESIDUAL TIME

2.5 SECOND 3 SEC

COAL

FIXED CARBON-32.4%, VOLATILE MATTER-21%, MOISTURE-16%, ASH-30%, HGI-50. CV-4050KCal/kg, SIZE OF COAL TO MILL-25mm

FIXED CARBON-32.4%, VOLATILE MATTER-21%, MOISTURE-16%, ASH-30%, HGI-50. CV-4050KCal/kg, SIZE OF COAL TO MILL-25mm


BOILER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE M/S BHEL (C.E.DESIGN) M/S BHEL (C.E.DESIGN) TYPE BALANCED DRAFT,DRY

BOTTOM SINGLE DRUM, NATURAL CIRCULATION

BALANCED DRAFT,DRY BOTTOM SINGLE DRUM, CONTROLED CIRCULATION

MAXI WORKING PR

158.2kg/cm2 192.4kg/cm2

OUTPUT 700 T/hr 1566T/hr

ELEVATION 52 m

78 m

NOS.OF CYLONE SEP

50 x 2 96

NOS.OF SECO.DRIER

50 x 2 96

DRUM LENGTH

17.68 m 22.070 m

MAXI METAL TEMP

345 degC 366DegC

BOILER WATER CIRCULATING PUMP

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NOS.

NIL TWO+ONE STAND BY

TYPE

SINGLE SUCTION DOUBLE DISCHARGE.

SUCTION PRESSURE

193.27 kg/cm2

SUCT. TEMPRATURE 348.9degC

CAPACITY

47994.2 LTS/MIN

PUMP EFFICIENCY

80% HOT DUTY

MOTOR RATING

400HP,187.30KW,6.6KV 1450RPM,36A,WET STATOR SQUIRREL CAGE INDUCTION MOTOR


FLOW (BOILER)

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

STEAM FLOW S/H O/L 612 T/hr 1530 T/hr

STEAM FLOW R/H O/L 533 T/hr

1374 T/hr

FEED WATER FLOW

593 T/hr 1510 T/hr

WATER SPRAY 19 T/hr

AIR FLOW AT AH O/L 118 T/hr

426 T/hr

TEMPERING AIR

120 T/hr

AIR FLOW AT AH O/L (Secondary)

552 T/hr

1247 T/hr

ACCESS AIR TEMP AIR

129 T/hr

TOTAL COMBUSTION AIR

813 T/hr 1815 T/hr

COAL FLOW

105 T/hr 281 T/hr

TEMPERATURE & PRESSURE (BOILER)

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

DRUM PRES/TEMP 146.1Kg/cm2(g)/342

S/H OUTLET PRES/TEMP

136 "(g)/535 degC

177 /540 degC

R/H OUTLET PRES/TEMP

24.9"(g)/530 degC 44.05/540 degC

FINAL FEED PRES ECO I/O

149.2Kgcm2(g)/ 192.3/191Kg/cm2

ECO I/O TEMP 240/280 degC

253/305 DegC

LTSH OUTLET PRE/TEMP

143.4Kg/cm2/422DegC 5.7Kg/cm2/406 DegC


BOILER PRESSURE & DRAFT(AIR & GAS)

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

PRIMARY AIR

PA FAN OUTLET 736 mmwc

697 mmwc

AH OUTLET

638 mmwc 660 mmwc

MILL OUTLET 217 mmwc 248 mmwc

SECONDARY AIR

FD FAN OUTLET 301 mmwc 212 mmwc

AH INLET

261 mmwc 192 mmwc

AH OUTLET 171 mmwc 156 mmwc

WIND BOX TO FURNACE DIFFERENTIAL

140 mmwc

140 mmwc 101 mmwc WINDBOX PRE

GAS

AH OUTLET

(-)47 mmwc

EP INLET

(-)164 mmwc (-)145 mmwc

ID FAN INLET

(-)199 mmwc (-)219 mmwc

ID FAN OUTLET

33 mmwc 17 mmwc


SAFETY VALVES

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

DRUM

NO. 3 6

SET PRES 158Kg/cm2, 161Kg/cm2/ 162.42Kg/

204,206,208.1,208.1 210.1,210.1(set pre)

SUPER HEATER

NO. 2 3

SET PRES

143.3/144.0 Kg/ cm2 187.7,187.7,185.4 Kg/ cm2

ERV

NO. 1 3

SET PRES 142 Kg/cm2 185.4,185.4,185.4

REHEATER INLET

NO. 1+3

4

SET PRES

33.4 Kg/cm2 33.75, 34.00 , 34.45

54.84,55.39,55.56, 56.49 Kg/cm2

REHEATER OUTLET

NO. 1 5 +3 (ERV)

SET PRES

30.58Kg/cm2 40,49.5,50,50.50, 48.07 Kg/cm2 48.07,48.55,48.55


OILBURNER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NOS. 12 / UNIT 16 / UNIT

TURN DOWN RATIO 4 : 1

3 : 1

TYPE

CORNER FIRED TILTING TANGENTIAL

CORNER FIRED TILTING TANGENTIAL

OILGUN PARALLEL PIPE AUTO RETRACT

PARALLEL PIPE AUTO RETRACT

ATOMOISER EXTERNAL MIX STEAM ATOMOISED

EXTERNAL MIX STEAM ATOMOISED

OIL FLOW

1KL/GUN/hr 2.25KL/GUN/Hr-MAXI 0.75KL/GUN/Hr-MINI

COAL PULVERSIER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE BOWL MILL-XRP 803 BOWL MILL- XRP 1003

NOS. 6 MILL / UNIT

8 MILL / UNIT

FOR FULL LOAD

4 MILL / UNIT 6 MILL / UNIT

CAPACITY 39.7 T/hr 68 T/hr

AIR FLOW/MILL 59.4 T/hr

92.7 T/Hr

MILL OUTLET TEMP

77 degC 77 DegC

RATING

340KW,6.6KV,988RPM 560KW,6.6KV,590 RPM

RATED CURRENT

40.7 AMPS 66A-FL,33A-NL

COAL BURNER

24 NOS / BOILER 32 NOS. / BOILER


GRAVIMETRIC FEEDER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE SECO-36" SECO-36"

CAPACITY 51.3 T/hr

74.8 T/hr

DRIVE

VARIABLE SPEED THRO DC MOTOR

VARIABLE SPEED THRO DC MOTOR

RATING DC-3.73KW,220KW 1250 RPM

3.7KW,1750/2300RPM

AIR PREHEATER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE LUNGSTRUM-27VI80 27 VI M80

NOS. TRISECTOR REGENRATIVE 2 NOS / BOILER

BISECTOR REGENERATIVE 4 NOS / BOILER SEPARATE APH FOR PRIMARY & SECONDARY AIR

RPM

1.5 1.5

AIR DRIVE RPM 0.5 0.5

RATING 11KW,19.5A,415V, 1445 RPM

PRI-11KW,415V,1450RPM SEC-15KW,415V,1400RPM


ELECTROSTATIC PRECIPITATOR

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

GAS FLOW RATE 369.3 m3/sec 980 m3/hr

TEMP. degC 140

140

NOS.OF PRECIPETA.

TWO FOUR

NOS. OF FEILD 6 X 4 =24 7 X 2 X 4 = 56

VELOCITY OF GAS 0.9242 m/sec

1.0 m/sec

TREATMENT TIME

17.312 sec 25.2 sec

COLLECTING AREA

115.42 m2/m3/hr 164.57 m2/m3/sec

DUST CONCENTRATION

31.83 gm/NM3 73.5 gm / NM3

EFFICIENCY

99.34% 99. %

ASH HOPPER CAPACITY

8 hrs 8 hrs

FREQUENCY OF RAP- COLLECTING

6 TO 1 RAPS/hr 10 RAPS/Hr

FREQUENCY OF RAP- EMITTING

10 RAPS/hr 10 RAPS/Hr

CHIMNEY HEIGHT

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

PHASE-1 220 METER (THREE SHELL)

220 METER (SINGLE SHELL)

PHASE-2 220 METER (TWO SHELL)


FORCED DRAFT FAN

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE API-18 / 11 AXIAL REACTION

API-16 / 16 AXIAL REACTION

NOS. TWO / UNIT

TWO / UNIT

TEMP OF MEDIUM

50 degC 50 degC

RATING 800KW,6.6KV,1480 RPM 1400KW,6.6KV,980 RPM

RATED CURRENT 84.5 AMPS

147A-FL,42.5A-NL

FAN REGULATION

VARIABLE BLADE PITCH CONTROL

VARIABLE BLADE PITCH CONTROL

INDUCED DRAFT FAN

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE AN 28e6 AXIAL IMPULSE SINGLE SUCTION

ND ZV-45 RADIAL FAN DOUBLE SUCTION

NOS TWO THREE (ONE STANDBY)

CAPACITY

240 m3/sec 533.8 m3/sec

TOTAL HEAD DEVEL 384 mmwc 409 mmwc

FAN REGULATION INLET GUIDE VAN

VARIABLE SPEED THRO HYDRAULIC COUPLING

TEMP OF MEDIUM

150 degC 150 degc

RATING

1300KW,6.6KV,740 RPM 3400KW,6.6KV,550 RPM

RATED CURRENT

138.5 AMPS 379A-FL,139A-NL


PRIMARY AIR FAN

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE NDFV-22b RADIAL AP-2-20 /2 RADIAL REACTION

CAPACITY 76 m3/sec

152.3 m3/sec

TOTAL HEAD DEVEL

1390 mmwc 1143 mmwc

RATING 1400KW,6.6KV, 1480 RPM

2100KW,6.6KV. 1480 RPM

RATED CURRENT 146.2 AMPS

212A-FL,58.5A-NL

FAN REGULATION INLET GUIDE VAN TWO STAGE BLADE PITCH

SCANNER AIR FAN

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE RADIAL BACKWARD CURVE RADIAL FAN

NOS / BOILER TWO(1 AC+ 1 DC) TWO(1 AC+ 1 DC)

CAPACITY

103 m3/hr 3600m3/hr

RATING AC 11KW,2850 RPM, 22.2A DC 3.7KW,220V,2900 RPM

11KW,28500 RPM-AC 7.5KW,1450 RPM-DC

SERVICE IGNITOR AIR

IGNITOR AIR

MEDIUM

ATMOSPHERIC AIR ATMOSPHERIC AIR

SEAL AIR FAN

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NOS TWO / UNIT FOUR / UNIT

TYPE NDM-6

CAPACITY

10200 NM3 /hr

RATING 46KW,2940RPM,77AMP 20KW,2880 RPM

SOURCE OF AIR PA FAN DISCH

PA FAN DISCH


WALL DESLAGGER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MEDIUM OF FLOW S /H STEAM S/H STEAM

PRES/TEMP 30kg/cm2/330 degC

28 kg/cm2

NO.OF LRSB

20 24

WALL BLOWER 56 NOS. 88 NOS.

IN APH TWO/APH

TWO/APH

FLOW PRES

12kg/cm2 12 kg /cm2

DEISEL GENERATOR SET

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

AC GENERATOR AC GENERATOR

NOS. FOUR

TWO

TYPE

C 534 C KTA 3067 G

RATING COUNTINUOUS

312 KVA 750 KVA

VOLTAGE 415

415

CURRENT

434 AMP 1043 AMP

RPM

1500 1500

EXCI. V/C

39V/1.69 A 47 V / 2.5 A

POWER FACTOR

0.8 Lag 0.8


PLANT AIR COMPRESSOR

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE NGEF-AVM KIRLOSKER P CO. LTD

TYPE 17 & 12X9-2HSE 2NL2

HORIZONTAL BALANCED OPPOSED OIL FREE.

STAGE

TWO TWO

DISC.PRESSURE 133.8 PSIG 8 kg/cm2(g)

CAPACITY 984.6 CFM

30 NM3/MIN

RPM

495 596

NOS

SIX THREE

INTAKE/DISGE TEMP

122/375degF

MOTOR RATING

232KW,25A,6.6KV 1476 RPM

260KW,32A,6.6KV

INSTRUMENT AIR COMPRESSOR

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE NGEF-AVM KIRLOSKER P.CO. LTD

TYPE HORIZONTAL OPPOSED OIL FREE,

HORIZONTAL BALANCED WATER COOLED

NOS.

SIX FOUR

CAPACITY 984.6 CFM 30 NM3/MIN

STAGE TWO

TWO

DISC PRESSURE

133.8 PSIG 8kg/cm2

RPM

495 591

MOTOR RATING

185KW,20A,6.6KV, 1481 RPM

260KW,32A,6.6KV


HFO STORAGE TANK

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR NOS TWO NOS.

CAPACITY 2000 KL

4000 KL

FLASH TANK

ONE NO ONE NO

CAPACITY 3 m3 6.28 m3

DRAIN TANK ONE NO.

ONE NO.

CAPACITY

3.5 KL 7 m3

HFO UNLOADING PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. THREE( ONE STANDBY)

NIL

CAPACITY 150 m3/hr

NIL

HEAD

40 MLC NIL

RATING 55KW,100A,415V, 1685RPM


HFO DRIAN PUMP THREE SPINDLE SCREW Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

CAPACITY 4 m3/hr

HEAD

20 MLC 25 MLC

RATING 2.2KW,4.9A,415V,1440RPM

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

VERTICAL SUMP PUMP NO. TWO FOUR

CAPACITY 30 m3/hr

30 m3/hr

HEAD

7 MLC 7 MLC

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

FUEL OIL PUMP NO. THREE THREE(ONE STAND

BY) TYPE SCREW

SCREW

CAPACITY

400 LPM 800 LPM AT 150 CST

PRES 30 BAR 30 kg/cm2

RATING 36KW,69A,415V 980RPM

1450 RPM


GENERATOR

GENERATOR

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE BHEL BHEL

STATOR WINDING WATER COOLED

WATER COOLED

STATOR CORE & ROTOR

HYDROGEN COOLED HYDROGEN COOLED

MAXI CONTINUOUS RATING

200MW / 235.3 MVA 500MW / 588 MVA

POWER FACTOR 0.85 LAGGING

0.85 LAGGING

TERMINAL VOLTAGE

15.75 KV 21 KV

FREQUENCY/ SPEED

50 HZ / 3000 RPM 50 HZ / 3000 RPM

SHORT CIRCUIT RATIO

0.5 0.48

HYDROGEN PRESS

3 kg/cm2 4 kg/cm2

RATED STATOR CURRENT

8625 AMPS 16200 AMPS

EXCITATION CURRENT

2515 AMPS 6300 AMPS MAIN EXIT.

EXCITATION VOLTAGE

300V 600 V

EFFICIENCY

98.59%

PHASE CONNECTION

DOUBLE STAR DELTA STAR

TOTAL GAS VOLUME

56m3 80m3

COLD GAS TEMPERATURE

43 degC

HOT GAS TEMPERATURE

65 degC


STATION TRANSFORMER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE EASUN NGEF

NO. TWO

TWO

CAPACITY

19/25/31.5 MVA in ONAN / ONAF CONDITION

20/35/50 MVA

VOLTAGE RATING 132/6.9KV 132/6.9 KV

UNIT AUXILIARY TRANSFORMER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE EASUN NGEF

NO. TWO

FOUR

CAPACITY

12/16MVA IN ONAN/ONAF CONDITION

25MVA IN ONAN/ONAF CONDITION

V.RATING 15.75/6.9 KV 21/6.9 KV

CW TRANSFORMER

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

MAKE EASUN NGEF

NO. TWO

TWO

CAPACITY

19/25 MVA in ONAN / ONAF CONDITION

25 MVA,ONAF

V.RATING 132/6.6KV 132/6. 6KV


ESP TRANSFORMER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO FOUR

CAPACITY 1.6 MVA

2 MVA

V.RATING

6.6 / 0.433 KV 6.6 / 0.433 KV

ASH SLURRY TRANSFORMER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO THREE

CAPACITY 1.6 MVA

1.6 MVA

V.RATING

6.6 / 0.433 KV 6.6 / 0.433 KV

STATION SERVICE TRANSFORMER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO FOUR

CAPACITY 1.6 MVA

1.6 MVA

V.RATING

6.6 / 0.433 KV 6.6 / 0.433 KV

WATER TREATMENT PLANT TRANSFORMER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO

CAPACITY 1 MVA

V.RATING

6.6 / 0.433 KV


UNIT SERVICE TRANSFORMER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO FOUR

CAPACITY 1.6 MVA

1.6 MVA

V.RATING

6.6 / 0.433 KV 6.6 / 0.433 KV

CWPH SERVICE TRANSFORMER Description STAGE I 5 X 200 MW STAGE II 2 X500 MW NO. TWO TWO

CAPACITY 0.63 MVA 0.63 MVA

V.RATING 6.6 / 0.433 KV 6.6 / 0.433 KV GENERATOR TRANSFORMER Description STAGE I 5 X 200 MW STAGE II 2 X500 MW MAKE BHEL(THREE PHASE) BHEL(SINGLE PHASE)

RATING 250 MVA(OFWF)

200 MVA(OFWF)

NOMINAL VOLTAGE

15.75/400KV 21/400KV

INTER CONNECTING TRANSFORMER Description STAGE I 5 X 200 MW STAGE II 2 X500 MW NO. TWO

MAKE EASUN

RATING 50/75/100MVA(ONAN/ONAF/OFAF)

NOMINAL VOLTAGE

400/132KV

CHP TRANSFORMER Description STAGE I 5 X 200 MW STAGE II 2 X500 MW NO. TWO FOUR

CAPACITY 2 MVA

1.6 MVA

RATING

6.6KV/0.433KV 6.6KV/0.433KV


SWITCH YARD AIR BLAST CIRCUIT BREAKER (400KV) Description SWITCHYARD 400 KV/132 KV

RATED NOMINAL CURRENT

2000 A

TRIPPING TIME

17-23 m sec

CLOSING TIME 43-55 m Sec

PRE INSERTION TIME

7+ 1 m sec

AIR BLAST CIRCUIT BREAKER (132KV) Description SWITCHYARD 400 KV/132 KV


800 A

RATED NOMINAL CURRENT BREAK TIME

60 m sec

MAX CLOSING TIME

200 m sec

PRE INSERTION TIME

7+ 1 m sec


3AT TYPE SF6 CIRCUIT BREAKER Description

SWITCHYARD 400 KV/132 KV

RATED VOLTAGE

420 KV

RATED GREQUENCY

50 HZ


2000 A

RATED SHORT CIRCUIT BREAKING CURRENT

40 KA

RATED SHORT CIRCUIT MAKING CURRENT

2.5 TIMES RATED SHORT

CIRCUIT BREAKING CURRENT RATED INSULATION LEVEL

LIGHTING IMPULSE WITH STAND VOLTAGE(1.2/50 US)--

1425 Kvp

ONE MINUTE POWER FREQUENCY WITH STAND VOLTAGE

520-610Kv

RATED SHORT CIRCUIT CURRENT DURATION

1 sec

OPERTING TIME

CLOSING TIME 100 m sec Maxi

OPERATING TIME 22 m sec Maxi

ARCKING TIME 18 m sec Maxi

DEAD TIME 300 m sec Maxi

BREAK TIME 2 CYCLES

PRE INSERTION TIME 8 +

SF6 PNEUMATIC OPERATED CLOSING TIME

120 m sec

TRIPPING TIME 25 m sec


ASH HANDLING PLANT SYSTEM DESIGN: CONTINUOUS WET REMOVAL AND ASH SLURRY DISPOSAL TYPE BOTTOM ASH TRANSITION HOPPER WITH SUBMERGE SCRAPPER AND CONVEYOR AND CLINKER GRINDERS ARE PROVIDED FOR CONTINUOUS REMOVAL OF BOTTOM ASH.FLY ASH REMOVAL IS DONE BY FLUSHING EQUIPMENT PROVIDED UNDER EACH HOPPER. COMBINATION OF HIGH VELOCITY AND GRAVITY SLUICE WAYS IS PROVIDED FOR CONTINUOUS ASH SLUCING TO ASH SLURRY SUMP. ASH WATER RATIO: 1 : 10 HP ASH WATER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. 6 4

CAPACITY

275 m3/hr 300 m3/hr

RATING 110KW,1486RPM,196A

190KW,1500RPM/148A

HEAD 95 MWC LP ASH WATER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. 6 4

CAPACITY

470 m3/hr 1300 m3/hr

RATING 110 KW,1487RPM,187A 305KW,1494RPM,34A,6.6KV

HEAD

65 MWC


SERVICE WATER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. 4 5

CAPACITY 97.22 LTS/SEC

330 m3/hr

HEAD

100.23 MWC 101.13 MWC

RATING 160KW,1487RPM,227A 127KW,1490RPM, 229A

SEAL WATER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO TWO 2-CENRIFUGAL

CAPACITY 115 m3/hr

44 m3/hr

RATING

75KW,1485RPM,130A 18.5 KW, 415V

HEAD 80MWC

ASH SLURRY PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. 13(A&B) 6(A&B)

CAPACITY 700 m3/hr 750 m3/hr

RATING

172KW,,415V, 990 RPM,290 A

200KW, 415V, 990 RPM,346 A

HEAD 42 mwc 45 mwc


CLINKER GRINDER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO TWO

CAPACITY 7.5 T/hr

SIZE OUTPUT

25mm & BELOW 25mm & BELOW

RATING 7.5KW,415,1500RPM 11KW,415V,

BOTTOM ASH HANDLING

12T/hr

35T/hr

FLY ASH HANDLING 54T/hr

SLURRY VELOCITY THROUGH PIPES NOT LESS THEN 3m/sec EQUIVELENT LENGTH OF EACH DISPOSAL PIPE 5300 METER


WATER CLARIFICATION / PRETREATMENT PLANT

CLARIFLOCULATOR

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NOS. TWO TWO

CAPACITY 300 m3 /hr

300 m3/hr

CHEMICAL DOZING SYSTEM ALUM DOZING SYSTEM TANK

TWO NOS. TWO NOS.

CAPACITY EACH FOR BOTH CCF

6 m3/hr 12 hrs

STR.OF SOL

3-4 % 10%

PUMP

CENTRIFUGAL POSITIVE DISPLACEMENT

NOS. TWO EACH OF 100% TWO EACH OF 100% CAPACITY.

LIME SLURRY TRANSFER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. NIL TWO

CAPACITY NIL

2 m3/hr

LIME SOLUTION DOZING PUMP NO. TWO TWO

TYPE CENTRIFUGAL

POSITIVE DISPLCEMENT

CO-AGULANT AID PUMP NO.

NIL THREE (ONE FOR EACH CCF ONE STAND BY)

TYPE

- POSITIVE DISPLACEMENT


DEMINERALISED WATER PLANT (CHANGES RAW WATER IN TO DEMINERALISED WATER)

DM PLANT

Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.OF STREAM SIX TWO

FLOW THRO ONE STREAM

60 m3/hr

130 m3/hr

ACTIVATED CARBON FILTER NO. OF STR. SIX ONE

FLOW RATE 60 m3/hr

145 m3/hr

SURFACE FLOW RATE

15m3/hr/m2

CATION EXCHANGER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO OF STR. SIX

TWO

FLOW RATE

60 m3/hr 130 m3/hr

REGENERATED BY

HCL HCL

ANION EXCHANGER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO OF STR. SIX

TWO

FLOW RATE

60 m3/hr 130 m3/hr

REGENERATED BY

NaOH NaOH


MIXED BED UNITS Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO OF STR. SIX

TWO

FLOW RATE

60 m3/hr 130 m3/hr

REGENERATED BY

HCL,NaOH HCL NaOH

SURFACE FLOW

46 m3/hr/m2

DEGASSER SYSTEM Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO TWO

TWO

FLOW RATE

120 m3/hr 35 m3/hr

UNLOADING PUMP-ACID Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO TWO

TYPE CENTRIFUGAL

HOROZONTAL CENTRIFUGAL

CAPACITY

20 m3/hr 20 m3/hr

HEAD 10 MLC

UNLOADING PUMP –ALKALI Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO TWO

TYPE CENTRIFUGAL

HOROZONTAL CENTRIFUGAL

CAPACITY

20 m3/hr 20 m3/hr

HEAD 10 MLC


NEUTRALISATION SYSTEM Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.OF PITS TWO TWO

CAPACITY 300 m3 EACH

400 m3 EACH

RECIRCULATION CUM DISPOSAL PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.

TWO/PIT TWO/PIT

CAPACITY 150 m3/hr

150 m3/hr

HEAD

50 MWC 15 MWC

RATING 15KW,28.4A,415V,1465RPM

DEMINERALISED TANK Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.

FOUR TWO

CAPACITY 1500 m3 EACH 1500 m3 EACH

DM WATER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.

4

4

CAPACITY 70 m3/hr 83.3 LTS/SEC

HEAD

42 MWC 60 MWC

RATING 415V,DOL 90 KW,1480 RPM


BOILER FILL PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.

TWO

TYPE

CENTRIFUGAL

CAPACITY

150 m3/hr

RATING

415V,DOL

CLARIFIED PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.

FIVE(ONE STAND BY)

CAPACITY

150m3/hr

HEAD

57 MWC

FILTER WATER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.

THREE (TWO STANDBY)

CAPACITY

1500 m3/hr

HEAD

60 MWC

AUXLIARIES COOLING WATER BOOSTER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO.

6(THREE STAND BY)

TYPE

CENTRIFUGAL

CAPACITY

1300 m3/hr

HEAD RATING

45 MWC 6.6KV,DOL


AUXILIARY WATER PUMP HOUSE (RAW WATER PUMP) CLARIFICATION PLANT SUPPLY PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. THREE COMMON

TYPE VERTICAL

CAPACITY

3300 m3/hr

HEAD 18 MWC

RATING 6.6KV,DOL

PRETREATMENT PLANT SUPPLY PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. THREE(ONE STAND BY) COMMON

TYPE VERTICAL

CAPACITY

300 m3/hr

HEAD 44MWC

RATING

415V,DOL

SUMP PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO

TWO

TYPE VERTICAL

VERTICAL

CAPACITY

30 m3/hr 50 m3/hr

HEAD 10 MWC 15 MWC

RATING 415V,DOL


RAW WATER PUMP HOUSE ELECTRICAL FIRE WATER PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR

CAPACITY

113.55 L/sec

HEAD 80 M

RATING 220 HP,415V,1490 RPM DIESEL FIRE PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR

CAPACITY

114 LPS

HEAD 125 m

RATING 1500 RPM

JOCKEY PUMP Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. TWO

CAPACITY

125 m3/hr

HEAD 130 m

RATING 28 KW,2920 RPM


COAL HANDLING PLANT 1.COAL MINE LINKED - JAYANT / BINA /DUDHICHUA 2.SIZE OF COAL FROM MINE - + 200 mm 3.MODE OF TRANSPORTATION - MERRY GO ROUND SYSTEM 4.TYPE OF WAGON - BOTTOM DISCHARGE 5.UNLOADING OF COAL - IN UNDER GROUND TRACK HOPPER 6.SIZE OF COAL TO RC FEEDER - 20 mm 7.CONVEYOR STREAM - TWO X 100 % (ONE WORKING & ONE STAND BY) FUNCTION OF PLANT-

• DIRECT FEEDING- UNLOADING OF COAL FROM WAGON CRUSHING IN

CRUSHER & FEEDING TO RAW COAL BUNKER THROUGH CONVEYOR

STEAM

• STACKING OF CRUSHED COAL- UNLOADING OF COAL FROM WAGON

CRUSHING IN CRUSHER AND STACKING IN STOCK PILE AREA

THROUGH CONVEYOR STREAM AND STACKER / RECLAIMER

• RECLAIMING OF CRUSHED COAL:- RECLAIMING OF CRUSHED

COAL FROM STACK PILE AREA BY STACKER RECLAIMER

AND OR BY DOZING BY BULDOZER IN TO RECLAIM HOPPER &

DISCHARGE IN TO RAW COAL BUNKER THROUGH CONVEYOR STREAM.


TRACK HOPPER- Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. ONE ONE

MAXI.COAL SIZE 200mm

200mm

BELT SPEED

2.6 m/sec 2.75 m/sec

LENGTH OF HOPPER 200 m 200 m

CAPACITY 3200 TONNES

4250 MT

PADDLE FEEDER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR

FOUR

PADDLE SPEED 2.3-6 m/min 2.3-6 m/min

LENGTH OF TRAVEL 210 m 210 m

CAPACITY 600 T/hr EACH 600 T/hr

BELT CONVEYOR Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

CAPACITY 1200 T/hr/belt 1200 T/hr/belt

SPEED 2.6 m/sec

2.7 m/sec

TROUGHING ANGLE

35 deg(1A1B,3A3B) 35 deg

REST 20 deg

BELT FABRIC POLYSTER NYLONE 4 PLY

POLYSTER NYLONE 4 PLY

JOINTS

VULCANISED VULCANISED


COAL CRUSHER Description STAGE I 5 X 200 MW STAGE II 2 X500 MW NO FOUR FOUR

TYPE RING HAMMER

RING HAMMER

INPUT SIZE COAL

200 mm 200 mm

OUTPUT SIZE COAL 20mm & below 20 mm & below

CAPACITY OF EACH 600 T/hr

600 T/hr

RATING

370KW,500HP,750RPM

VIBRATING SCREEN Description STAGE I 5 X 200 MW STAGE II 2 X500 MW NO. FOUR FOUR

CAPACITY 600 T/hr

600 T/hr

PASSING THRO SCREEN

20 mm

STACKER RECLAIMER Description STAGE I 5 X 200 MW STAGE II 2 X500 MW NO. TWO TWO

CAPACITY ON NORMAL

1200 T/hr

1200T/hr

CAPACITY ONPEAK REC

1450 T/hr 1500 T/hr

STACK PILE HEIGHT 10 m 10 m

EFF.LENGTH OF TRVL

275 m

TRACK GAUGE

7m 10 m

TRAVL SPEED

10 m/min 20 m/min-maxi 10 m/min-mini

SLEWING ANGLE

220 deg

DIA OF BKET WHEEL

7 m

NO. OF BUCKET

8 8


MAGNETIC SEPARATOR Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR FOUR

APPLI.AT CONV 2A,2B,7A,7B

12A,12B,17A,17B

METAL DETECTOR Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR FOUR

APPLI.AT CONV 2A,2B,5A,5B, 12A,12B,15A,15B

POSITION

CROSS OVER BELT CROSS OVER BELT

TRIPPER Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR FOUR

CAPACITY 1200 T/hr

1200 T/hr

SPEED 15 m/min 15 m/min

RATING 10 HP,1000RPM

BELT WEIGHERS Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

NO. FOUR TWO

APPLI.AT CONV 7A,7B,3A,3B 12A,12B,17A,17B


DAILY REQUIREMENT OF COAL-- Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

0.55 T/MW/hr 0.539 T/MW/hr

110 T/hr

265 T/hr

COAL BUNKER NO. SIX/UNIT EIGHT/UNIT

CAPACITY 350 800 T

LOCOMOTIVE DATA Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

TYPE WDS-6 WDS-6

NO. THREE THREE

HP 1400 1400

SPEED 60 kmph 60 kmph

WAGON/RACK

33

WAGON CAPACITY

60 T 60 T


CHEMICAL TEST LABORATORIES FOLLOWING TEST LABORATORIES HAVE BEEN PROVIDED:-

WATER TREATMENT PLANT LAB:-ROUTINE TESTING FOR CONTROLLING OPERATION OF DM PLANT,WASTE WATER TREATMENT ANDROUTINE TESTING OF COAL & OIL.

EXPRESS LAB: ROUTINE TESTING OF STEAM,CONDENSATE FEED WATER,BOILER WATER,STATOR COOLING WATER ETC.

FIELD EXPRESS LAB: ALL OTHER TESTING SUCH AS MATERIAL TEST ING,WELDING TESTING,RADIOGRAPHY TEST ETC.

WATER CHEMISTRY WATER QUALITY RAW WATER TURBIDITY 100 pH VALUE 7.5 SILICA 8 PPM IRON 0.1 PPM CONDUCTIVITY 80-110 FREE OXYG 6-7 PPM DM WATER TURBIDITY 0.1 pH VALUE 6.8 TO 7 SILICA 5 PPB IRON NIL CONDUCTIVITY 0.1 FREE OXYG 6-7 PPM


CONDENSATE QUALITY Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

IRON 10 PPB 10 PPB

pH VALUE 8.8-9

9-9.2

SILICA

>20 PPB >20 PPB

COPPER 5 PPB 3 PPB

SODIUM 10 PPB

5 PPB

OXYGEN

40 PPB 40 PPB

AMONIA

500 PPB 1000 PPB

CONDUCTIVITY

4-5 umho/cm 4-5 umho/cm

CONDUCTIVITY AETER CATION

0.3 umho/cm 0.3 umho/cm

FEED WATER QUALITY Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

pH VALUE 8.8-9 9-9.2

SILICA 20 PPB

20 PPB

IRON

10 PPB 10 PPB

COPPER 5 PPB 3 PPB

OXYGEN 5 PPB

3 PPB

HYDRAZIN

20-40 PPB 10-20 PPB


0.2 0.2


BOILER DRUM WATER QUALITY Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

pH VALUE 9.2-9.5 at 25degC 9.1-9.4

PHOSPHAT 2-4 PPM

1-2 PPM

SILICA

0.2 PPM 0.40 PPM

CHLORIDE 1000 PPB 1000 PPB

SP.CONDUCTIVITY 30 umho/cm

20 umho/cm

STEAM QUALITY Description

STAGE I 5 X 200 MW

STAGE II 2 X500 MW

pH VALUE 8.8-9 9-9.2

SILICA 20 PPB MAXI

20 PPB MAXI

SODIUM

5 PPB 5 PPB


0.3 0.3

PRESSURE Vs SILICA IN BOILER DRUM PRESSURE

SILICA

115 Kg/cm2 0.93 ppm

120 Kg/cm2 0.8 ppm

125 Kg/cm2 0.68 ppm

130 Kg/cm2 0.58 ppm

135 Kg/cm2 0.50 ppm

140 Kg/cm2 0.42 ppm


145 Kg/cm2 0.63 ppm

150 Kg/cm2 0.31 ppm

160 Kg/cm2 0.23 ppm

170 Kg/cm2 0.17 ppm

CLARIFIED WATER QUALITY Description

STAGE I 5 X 200 MW

pH VALUE 7.4

CONDUCTIVITY 125 um/cm

TURBIDITY 8 NTU

SODIUM 17 PPM(CaCO3)

CALCIUM HARDNESS 20 PPM(CaCO3)

MAGNISIUM HARDNESS 11 PPM(CaCO3)

M.ALKALINITY 37 PPM(CaCO3)

CHLORIDE 9 PPM(CaCO3)

SULPHATE 11 PPM(CaCO3)

E.M.A. 7.5

SILICA 7.5PPM(SiO2)

RESIDUAL CHLORINE 0.3PPM


FIRE FIGHTING SYSTEM MOBILE & PORTABLE FIRE EXTINGWISHERS. EMUSIFIRE SYSTEM FOR TRANSFORMER. HYDRANT SYSTEM. SPRINKLER SYSTEM FOR COAL CONVEYOR / CHP. LUBRICATING OIL SYSTEM COVERD BY HIGH VELOCITY SPRAY. HALON SYSTEM FOR UNIT CONTROL ROOM. SPRINKLERS FOR FUEL OIL STORAGE TANK. FOAM FOR FUEL OIL STORAGE TANK. LHS AND ROR AND SMOKE DETECTOR SYSTEM FOR UCB.CABLE VAULT AND CONVEYOR GALLARY

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