technical diary-kmpcl (2) (1)

292
Boiler Model: SG-2069/17.47-M921, manufactured by Shanghai Boiler Works Co., Ltd. The boiler is subcritical pressure intermediate primary reheat control circulation boiler with swing type temperature adjusting, four corners arrangement, tangential firing, positive pressure direct firing pulverizing system, single furnace, II-type outdoor arrangement, all-steel overhung construction, dry-ash. Main parameters table of TMCR working condition and BMCR working condition: Name Unit BMCR TMCR Superheated steam flow t/h 2069 1878 Steam pressure at super heater outlet MPa (g) 17.47 17.31 Steam temperature at super heater outlet 541 541 Reheated steam flow t/h 1751 1598 Steam pressure at re heater inlet MPa (g) 3.97 3.69 Steam pressure at re heater outlet MPa (g) 3.76 3.50 Steam temperature at re heater inlet 332 325 Steam temperature at re heater outlet 541 541 Economizer inlet feed water temperature 282 277 Heating surface structure dimension Heating surface name Outsid e diamet er Transve rse pitch Longitudi nal pitch Heati ng area Number of row Number of piece mm mm mm m2 Wall type reheater 60 63.5 0 623.4 1 558 Division wall superheater 57 3012 67 1616. 8 6 60 Platen 70/63 1016 73 1764. 20 18 2

Upload: chandrahas-sahu

Post on 28-Sep-2015

57 views

Category:

Documents


9 download

DESCRIPTION

technical diary of chinese plant, 660 mw

TRANSCRIPT

Technical Diary of KMPCL 6 x 600 MW plant consisting major operational design parameters, equipment spec, vendor name etc

Boiler Model: SG-2069/17.47-M921, manufactured by Shanghai Boiler Works Co., Ltd.The boiler is subcritical pressure intermediate primary reheat control circulation boiler with swing type temperature adjusting, four corners arrangement, tangential firing, positive pressure direct firing pulverizing system, single furnace, II-type outdoor arrangement, all-steel overhung construction, dry-ash.Main parameters table of TMCR working condition and BMCR working condition:NameUnitBMCRTMCR

Superheated steam flowt/h20691878

Steam pressure at super heater outletMPa (g)17.4717.31

Steam temperature at super heater outlet541541

Reheated steam flowt/h17511598

Steam pressure at re heater inletMPa (g)3.973.69

Steam pressure at re heater outletMPa (g)3.763.50

Steam temperature at re heater inlet332325

Steam temperature at re heater outlet541541

Economizer inlet feed water temperature282277

Heating surface structure dimensionHeating surface nameOutside diameterTransverse pitchLongitudinal pitchHeating areaNumber of rowNumber of piece

mmmmmmm2

Wall type reheater6063.50623.41558

Division wall superheater573012671616.8660

Platen superheater70/631016731764.72018

Platen reheater635087331774020

Final stage reheater6325411434768210

Final stage superheater51190.510250251086

Low temperature superheater57142114176151475

economizer4210090219262094

Coal qualityDesign coal typeWorst coal typeBest coal type

A)Technical analysis

Fixed carbon31.00%27.00%42.00%

Volatile matter22.00%18.00%27.90%

Ash content36.00%40.00%21.00%

Moisture11.00%15.00%9.10%

Gross calorific value as received basis (KCal/kg)420038004900

B) Elemental analysis

Carbon43.10 %38.00 %53.90 %

Hydrogen2.85 %2.50 %3.00 %

Nitrogen0.9 %0.50 %1.20 %

Sulfur0.4 %0.60 %0.30 %

Moisture11.0 %15.00 %9.10 %

Oxygen5.75 %3.40 %11.50 %

Ash content36.00 %40.00 %21.00 %

Fixed moisture6%7%

Gross calorific value as received basis (KCal/kg)420038004900

C) Deformation temperature1170 1170 1170

Softening temperature1300 13001300

Flow temperature1400 14001400

D) Grind ability Coefficient 504555

Light oil characteristic data tableNameUnitAverage value

Kinematic viscosity (at 38)Cst2.5-15.7

Pour pointSummer : 12, winter: 18

Mechanical impurities>66

Closed cup flash point%1.8

Sulphur content%0.25

Water content%0.02

Ash content%1.5

Heavy oil characteristic data tableCharacteristicUnitHFO

Ash, mass percent %0.1

Gross calorific value11000cal/g

Flash point, min>66

Kinematic viscosity at 50(cst), max180cst

Residue, mass percent (%), max0.25

Sulphur, total mass percent (%), max4.5

Water content, mass percent (%), max1.0

Asphalt mass percent (%), max25

Quality standard table for boiler feed water:ItemUnitvalue

PH value (25) 9.0~9.6

Hardnessmol/l~0

Dissolved oxygen (O2)g/l7

Iron (Fe)g/l20

Copper (Cu)g/l5

Oilmg/l0.3

Hydrazine (N2H4)g/l30

Conductivity 25s/cm0.3

Silicon dioxideComply with the standards

Quality standard table for boiler waterItemUnitvalue

PH value (25)9~10

Hardnessmol/l~0

Total salt contentmg/l20

Silicon dioxide (SiO2)mg/l0.25

Chloride ion CL-1mg/l1

Phosphate radicalmg/l0.5~3

Quality standard table for steamItemUnitvalue

Iron (Fe)g/kg20

Copper (Cu)g/kg5

Sodium (Na)g/kg10

Silicon dioxide (SiO2)g/kg20

Conductivity (25)s/cm0.30

Calculated Data Table of Boiler Thermal PerformanceA. Design parameters

No.ItemUnitBMCRTMCRHPHO*80%TMCR60%TMCR40%BMCR

1Main steam flow ratet/h2068.61877.91640.21474.21105836.4

2Superheated steam outlet pressureMpa17.4717.3117.1415.2411.558.82

3Superheated steam outlet temperature541541541541541529

4Reheated steam flow ratet/h1751.41597.91612.61272.6968.5748.1

5Reheated steam inlet pressureMpa3.953.693.832.932.221.65

6Reheated steam outlet pressureMpa3.743.503.632.782.101.56

7Reheated steam inlet temperature332.1324.8333.3316.6321.3313.8

8Reheated steam outlet temperature541541541541541514

9Feed water pressureMpa19.2418.8218.3616.3812.459.55

10Feed water temperature280275183261245229

11Attemperating water temperature182179182170159148

12Boiler barrel pressureMpa18.8418.4618.0216.0612.179.28

13Boiler barrel temperature361.2359.5357.5348.1326.3306.3

14Exhaust gas temperature (before correction)139.5138.0117.0134.5125.5112.5

15Exhaust gas temperature (after correction)135.0133.0113.5129.0119.5105.5

BHeat loss and heat load

No.ItemUnitBMCRTMCRHPHO*80%TMCR60%TMCR40%BMCR

1Heat loss carried off by exhaust dry flue gas%4.184.123.233.963.573.17

2Heat loss carried off by the moisture in fuel%1.641.641.611.631.621.61

3Heat loss carried off by the moisture produced by hydrogen burning%3.763.763.73.753.7 23.69

4Heat loss carried off by the moisture in air%0.170.170.130.160.150.13

5Heat loss due to unburned fuel%1.51.51.51.51.82

6Heat loss due to radiation%0.170.220.210.260.340.43

7Inestimable heat loss%0.350.350.350.350.350.35

8Manufacturer margin%0.70.70.70.70.70.7

9Total loss%12.4712.4611.4312.3112.2512.08

10High heat efficiency%87 5387.5488.5787.6987.7587 92

11Fuel consumptiont/h345.6318.7324.8259.9202.0155.7

12Burner operating layer\666543

13Excess air coefficient1.251.251.251.251.251.25

CSteam temperature

No.ItemUnitBMCRTMCRHPHO*80%TMCR60%TMCR40%TMCR

1Wall type reheater inlet temperature332325333317321303

2Wall type reheater outlet temperature371366372363371353

3Furnace roof superheater inlet temperature361359358348326306

4Furnace roof superheater outlet temperature363362361352332313

5Division wall superheater inlet temperature398393382378358338

6Division wall superheater outlet temperature443440428432424411

7Rear platen superheater inlet temperature443440428432424411

8Rear platen superheater outlet temperature499499493501505501

9Platen reheater inlet temperature371366372363371353

10Platen reheater outlet temperature468468470470477458

11Final stage reheater inlet temperature468468470470477458

12Final stage reheater outlet temperature541541540540540515

13Final stage superheater inlet temperature499499493501505501

14Final stage superheater outlet temperature541541541541541529

15Steam cooled pipe inlet temperature363362361352332313

16Steam cooled pipe outlet temperature364362362353334316

17LV superheater straight part inlet temperature394396413400398384

18LV superheater straight part outlet temperature404407429414415402

19Reversing chamber economizer hanging pipe inlet temperature323320275310296279

20Reversing chamber economizer hanging pipe outlet temperature325322279312299282

21Reversing chamber enclosure tube inlet temperature364362362353334316

22Reversing chamber enclosure tube outlet temperature365364364356339322

23LV superheater horizontal part inlet temperature365364364356339322

24LV superheater horizontal part outlet temperature394396413400398384

25Economizer hanging pipe inlet temperature323320274310295279

26Economizer hanging pipe outlet temperature323320275310296279

27Economizer inlet temperature282277185262246231

28Economizer outlet temperature323320274310295279

DFlue gas temperature

No.ItemUnitBMCRTMCRHPHO*80%TMCR60%TMCR40%BMCR

1Furnace outlet fluegas temperature104510331018983911841

2Wall type reheater inlet temperature132713301311131212351165

3Wall type reheater outlet temperature132713301311131212351165

4Furnace roof superheater inlet temperature132713301311131212351165

5Furnace roof superheater outlet temperature132713301311131212351165

6Division wall superheater inlet132713301311131212351165

7Division wall superheater outlet temperature11431134111510881017949

8Rear platen superheater inlet temperature11431134111510881017949

9Rear platen superheater outlet temperature104510331018983911841

10Platen reheater inlet temperature104510331018983911841

11Platen reheater outlet temperature932918908867800730

12Final stage reheater inlet temperature923909899858791721

13Final stage reheater outlet temperature837823816777721657

14Final stage superheater inlet temperature813799793753697634

15Final stage superheater outlet temperature731718714682639592

16Steam cooled pipe inlet temperature731718714682639592

17Steam cooled pipe outlet temperature724711707674632584

18LV superheater straight part inlet temperature724711707674632584

19LV superheater straight part outlet temperature686674673640599554

20Reversing chamber economizer hanging pipe inlet temperature686674673640599554

21Reversing chamber economizer hanging pipe outlet temperature678667665633593548

22Reversing chamber enclosure tube inlet temperature678667665633593548

23Reversing chamber enclosure tube outlet temperature662651649616575529

24LV superheater horizontal part inlet temperature662651649616575529

25LV superheater horizontal part outlet temperature488481484459431399

26Economizer hanging pipe inlet temperature488481484459431399

27Economizer hanging pipe outlet temperature486478482457428397

28Economizer inlet temperature486478482457428397

29Economizer outlet temperature342336279316292269

30Preheater inlet temperature342336279316292269

31Preheater outlet temperature 135133114129120106

EAverage velocity of flue gas

No.ItemUnitBMCRTMCRHPHO*80%TMCR60%TMCR40%BMCR

1Rear platen superheater flue gas velocity m/s8.78.08.06.34.63.3

2Platen reheater flue gas velocity m/s9.58.78.86.85.03.6

3Final stage reheater flue gas velocity m/s12.011.011.18.66.34.5

4Final stagesuperheater flue gas velocity m/s11.510.510.68.26.14.3

5Horizontal part low temperature superheater flue gas velocitym/s9.99.39.57.32.73.9

6Economizer flue gas velocitym/s8.57.87.66.24.63.4

FFlue gas flow rate

No.ItemUnitBMCRTMCRHPHO*80%TMCR80%TMCR60%TMR

1Primary air flow rate entering preheaterKg/h580183556376680792510512450868400738

2Preheater secondary air flow rateKg/h1790510161937015892341238461936317643036

3Flue gas flow rate entering preheaterKg/h269953224894112537100203008315756011113196

4Attemperating primary air flow rateKg/h21124821880816430421542415688895400

5Primary air flow rate out of preheaterKg/h399460377456500792332672276988226498

6Secondary air flow rate out of preheaterKg/h1771070159957015679941219021915797621796

7Flue gas flow rate out of preheaterKg/h289969226881312738340222736317700011308676

8Air leakage quantity from air to flue gasKg/h200160198720201240197280194400195480

9Air leakage quantity from primary air to secondary airKg/h230402232021600216001944019800

10Air leakage quantity from secondary air to flue gasKg/h424804212042840410403996041040

11Air leakage quantity from primary air to flue gasKg/h157680156600158400156240154440154440

GAir temperature

No.ItemUnitBMCRTMCRHPHO*80%TMCR60%TMCR40%BMCR

1Preheater inlet primary air temperature44.544.544.544.544.544.5

2Preheater inlet secondary air temperature37.337.337.337.337.337.3

3Preheater outlet primary air temperature302.0298.5245.0287.0269.5244.5

4Preheater outlet secondary air temperature312.0307.5254.5294.0275.0249.0

Main Piping Data

NO.ItemDesign pres.Mpa(g)Design temp.MAX pres.Mpa(a)MAX temp.Flowt/hPipe sizemmVelocitym/sMaterial

1Main steam pipe18.2454616.675382028ID489X5056.93A335P91

18.2454616.675381014ID349X3855.89A335P91

2Hot reheat steam pipe3.945463.725381717ID965X3260.90A335P91

3.945463.72538858.50ID686X2060.26A335P91

3Cold reheat steam pipe4.65354.944.133335.11717OD1066.8X22.236.01A672B70CL32

4.65354.944.133335.1858.50OD863.6X17.527.42A672B70CL32

4HP bypass pipe

Pipeline before the HP bypass valve18.2454616.675381241.40ID324X3579.38A335P91

Pipeline after the HP bypass valve4.65354.9416.675381430OD660X17.4880.25A672B70CL32

5LP bypass pipe

Pipeline before the LP bypass valve3.945463.725381430ID749X2684.20A335P91

3.945463.72538715ID533X2083.13A335P91

6NO.1 extraction steam pipe7.24415.626.672400.6152.17OD273X1437.8212Cr1MoV

7NO.2 extraction steam pipe4.65354.944.133335.1127.48OD273X1144.3620

8NO.3 extraction steam pipe2.50485.762.36469.6101.32OD377X1341.3212Cr1MoV

9NO.4 extraction steam common pipe1.10371.531.092357.8180.85OD630X1345.8820

10NO.4 extraction steam to deaerator pipe1.10371.531.092357.8108.58OD508X1042.2020

11NO.4 extraction steam to BFPT pipe1.10371.531.092357.872.27OD426X1341.8020

1.10371.531.092357.836.14OD325X1035.9520

12NO.5 extraction steam pipe0.35256.380.409244.750.86OD530X1140.1220

13NO.6 extraction steam pipe0.16194.800.23518647.82OD630X940.14Q235-A

14Feed water pipe for BFP outlet27.40282.3024.25282.32069.00OD508X405.1715NiCuMoNb5-6-4

32.90282.3030282.31034.50OD355.6X355.7515NiCuMoNb5-6-4

15Feed water recirculation pipe32.90181.5030181.50310.35OD219.1X22.23.9815NiCuMoNb5-6-4

16Condensate pump inlet pipe0.088746.700.010346.71538.46OD920X100.63Q235-A

17Condensate pump outlet pipe3.31144.9~3.246.71538.46OD508X162.420

Boiler drumLength of drum shell straight part26216mm,

Made byrolling of steel plate

Inner diameter1743mm

Total length including heads28585mm;

MaterialsSA-299

Down comer6 pieces

Feed water pipe base.3 pieces

Safety valve pipe base6

Continuous blowdown pipe base,2

Gross weight of drum286.2t.

Whirlpool separators114

NameSpecificationQuantity Average load of individual at BMCR

Whirlpool separator254mm11418.15 t/h

Corrugated plate drier90127mm27413.98 t/h

Main pipe specification of water cooling system:NameSpecificationModelMaterialPitch (mm)

Water wall pipes of chamber front wall, rear wall and two-side wall516.5Rifled pipe/light pipeSA210-A163.5

Rear wall furnace arch63.58Rifled pipeSA210-A176.2/152.4

Rear wall hanging pipe63.511Rifled pipeSA210-C381

Rear wall platen pipe63.511Rifled pipeSA210-A1152.4/254

Extension side wall63.58Light pipe20G127

Boiler barrel safety valveModelSetting pressure MPaBlowdown pressure MPaDischarge capacity T/HProportion in maximum evaporation capacity %

1.1749WB19.7919.0028484.9

2.1749WB19.7919.0028484.9

3.1749WB20.1918.9829684.9

4.1749WB20.1918.9829684.9

5.1749WB20.4018.9729884.9

6.1749WB20.4018.9729884.9

Superheater outlet safety valveModelSetting pressure MPaBlowdown pressureMPaDischarge capacityT/HProportion in maximum evaporation capacity %

1.1750WD18.3017.7516015.5

2.1750WD18.3017.7516015.5

Pneumatic discharge valveModelSetting pressure MPaBlowdown pressureMPaDischarge capacityT/HProportion in maximum evaporation capacity %

1.3538W18.2717.915622.6

2.3538W18.2717.915622.6

3.3538W18.2717.915622.6

Reheater inlet safety valveModelSetting pressure MPaBlowdown pressureMPaDischarge capacityT/HProportion in maximum evaporation capacity %

1.1705RRWB4.444.3124083.5

2.1705RRWB4.444.3124083.5

3.1705RRWB4.514.3724483.5

4.1705RRWB4.514.3724483.5

5.1705RRWB4.574.4324783.5

6.1705RRWB4.574.4324783.5

Reheater outlet safety valveModelSetting pressure MPaBlowdown pressureMPaDischarge capacityT/HProportion in maximum evaporation capacity %

1.1705RWD4.134.018821.5

2.1705RWD4.134.018821.5

Parameter of safety valve

Induced Draft FanNo.Working conditionCoal type ParametersTB working conditionBMCR working conditionTMCR working condition

Design coal typeCheck coal typeDesign coal type

1Fan inlet volume flow rate (m/s)690547549500

2Fan inlet static pressure (Pa)-6580-5220-5205-5065

3Fan inlet flue gas temperature ()150134.5130.0132.1

4Fan inlet medium density (kg/m)0.7410.7790.7850.785

5Inlet flue gas dust content (mg/Nm)230

6Fan static pressure rise (Pa)7479598360575593

Technical data of induced draft fanNo.ItemUnitInduced draft fan

1Fan modelG158/343

2Fan regulating device model8000Nm 4~20mA

3Impeller diametermm3430

4Bearing material42CrMo

5Hub material15MnV

6Blade material15MnV

7Impeller seriesLevel1

8Blade number of each stagePiece18

9Blade adjustable rangeDegree-70~+30

10Bore and stroke of hydraulic cylindermm/mmN/A

11Rotor weightkg~7500

12Rotor moment of inertiaKg.m26524

13Fan first critical speedr/min>956

14Air inlet box material/wall thickness/mmQ235/6

15Casing material/wall thickness/mmQ235A/16

16Diffuser material/wall thickness/mmQ235/6

17Fan bearing typeRoll

18Bearing lubrication typeThin oil

19Bearing cooling typeForced oil circulation + cooling wind

20Fan rotation direction (view form motor side)

Anticlockwise

21Fan total weightkg~55000

22Max lifting weight/max lifting height in installationkg~25000

m>3.8 (start from fan axial)

23Max lifting weight/max lifting height in maintenanceKg~7500

m>3.8 (start from fan axial)

Motor parameter No.Parameter nameUnitInduced draft fan

1ModelSTMKS900-8

2Electromotor typeThree phase squirrel cage asynchronous motor

3Rated powerkW6300J=6524 kgm2

4Rated voltagekV11

5Rated currentA388

6Rated powerHz50

7Rated speedrpm745

8Number of poles8

9Degree of protectionIPW55

10Insulation levelF

11Cooling modeIC81W

12Installation modeIMB3

13Working systemS1

14Efficiency%

Efficiency at rated load%96.0

3/4Efficiency at rated load%95.6

1/2Efficiency at rated load%94.2

15Power factor

Power factor at rated load0.88

Power factor at 3/4 rated load0.85

Power factor at 1/2 rated load0.80

16Maximum torque/rated torque2.2

17Locked rotor torque/rated torque0.45

18Locked rotor current/rated current6.0

19Accelerating time and starting time(under rated load working condition)s17

20Motor moment of inertiaKg.m2

21NoisedB(A)85

22Vibration amplitude at bearing pedestalmm0.076

23Bearing vibrating velocitymm/s

24Stator temperature riseK70

25Number of phasesThree

26Temperature measuring elementPt100

27Bearing modelDomestic sliding

Bearing model trademark46# steam turbine oil L-TSA

Bearing lubrication typeForced thin lubricating oil

Bearing cooling modeOil cooling

28Motor weightKg45000

29Bearing lubricating oil flow (L/min)16

30CT mode ratio/accuracy levelConfirmed by design liaison meeting

31Rotating directionConfirmed by fan manufacturer

32Allowed locked rotor times41

33Recommended lubricant46# steam turbine oil L-TSA

34Resistance and temperature detector & model for stator use

Pt100

35Bearing temperature detector & modelPt100, bimetal thermometer

Main technical data of oil systemNo.ItemUnitInduced draft fan

1Flow ratel/min40 (shared by fan and motor)

2PressureMPa0.4

3Oil quality trademarkN46 or N68

4Oil tank material/volume/m3Q235/0.6

5Oil filter filtering precision25

6Oil cooler water quantity2.5

7Oil cooler water pressureMPa

8Oil cooler modelPlate type

9Oil pump modelGear pump

10Oil pump numberSet2

11Oil pump speedr/min1470

12Oil pump power5.5

13Quantity of oil tank electric heaterSet1

14Power of oil tank electric heaterKW3

Cooling Water Data TableEquipmentEquipment nameWater quality requirementWater pressure requirementWater temperature requirement

Water quantity requirement

Induced draft fan

Lubricating oil station cooling water flow rateCommon industrial water1MPa386.3 T/h

Forced Draft FanFan performance dataForced draft fan work condition

ItemTB working conditionB-MCR working conditionTMCR working condition

Fan inlet volume flow rate (m3/s)303275248

Fan inlet temperature ()484848

Inlet air density (kg/m3)1.0381.0381.038

Fan inlet total pressure (Pa)-950-875-823

Fan inlet static pressure (Pa)-950-875-823

Fan outlet total pressure (Pa)372230182924

Fan outlet static pressure (Pa)363429452865

Fan total pressure rise (Pa)467238933747

Fan static pressure rise (Pa)458438203688

Fan outlet wind temperature ()53.052.151.9

Fan accessory loss (Pa)IncludedIncludedIncluded

Fan total pressure efficiency (%)8587.388.0

Fan shaft output (kW)1636.81209.11042.2

Fan speed (r/min) 990990990

Technical data of forced draft fanNo.ItemUnitforced draft fan

1Fan modelANN-2575/1250C

2Fan regulating device model5t hydraulic cylinder

3Impeller diametermm2575

4Bearing material35CrMo

5Hub materialForging steel

6Blade materialCast aluminium alloy

7Impeller seriesLevel1

8Blade number of each stagePiece16

9Blade adjustable rangeDegree30~85

10Bore and stroke of hydraulic cylindermm/mm250/96

11Rotor weightkg3597

12Rotor moment of inertiaKg.m2387

13Fan first critical speedr/min1287

14Air inlet box material/wall thickness/mmQ235A/6

15Casing material/wall thickness/mmQ235A/12

16Diffuser material/wall thickness/mmQ235A/6

17Fan bearing typeRolling bearing

18Bearing lubrication typeOil bath lubrication

19Bearing cooling typeNatural cooling

20Bearing bush cooling water volumet/h1.7

21Fan rotation direction (view form motor side)Clockwise

22Muffler resistancePa150

23Fan total weightkg16087

24Max lifting weight/max lifting height in installationkg7620

m3.7

25Max lifting weight/max lifting height in maintenanceKg1600

m3.7

Motor ParameterItemUnitSecondary fan motor

ModelSTMKS500-6

Rated powerkW1900

Rated voltagekV11

Synchronous speedr/min1000

Start-up currentA690

Rated currentA118

FrequencyHz50

Main featuresEfficiency95.8

Power factor0.88

Locked rotor torque0.5

Locked rotor current6.0

Max torque2.0

Insulation levelF/B

Weightkg18000

Cooling modeAir water cooling

Main technical data of oil systemNo.ItemUnitValue (forced draft fan hydraulic pressure)

1Flow ratel/min10~12

2PressureMPa8.0

3Oil quality trademarkISO VG 32

4Oil tank material/volume/m3Low carbon steel spray paint/0.203

5Oil filter filtering precision10

6Oil cooler water quantity0.24

7Oil cooler water pressureMPa0.2~0.4

8Oil cooler modelPlate type

9Oil pump modelGear pump

10Oil pump numberSet2

11Oil pump speedr/min1430

12Oil pump power2.2

13Quantity of oil tank electric heaterSet2

14Power of oil tank electric heaterkW1.0

Primary Air Fan

Performance data of primary air fanItem Primary air fan Working condition

TB working conditionBMCR working conditionTMCR working condition

Fan inlet volume flow rate (m3/s)178162156

Fan inlet temperature ()484848

Inlet air density (kg/m3)1.0441.0441.044

Fan inlet total pressure (Pa)-550-458-446

Fan inlet static pressure (Pa)-550-458-446

Fan outlet total pressure (Pa)130701082310477

Fan outlet static pressure (Pa)129501072210383

Fan total pressure rise (Pa)136201128110923

Fan static pressure rise (Pa)135001118010829

Fan outlet wind temperature ()61.959.459.1

Fan accessory loss (Pa)IncludedIncludedIncluded

Fan total pressure efficiency (%)8788.088.0

Fan shaft output (kW)2653.21993.91861.7

Fan speed (r/min)149014901490

Technical data of primary air fanNo.ItemUnitPrimary air fan

1Fan modelANT-2062/1250N

2Fan regulating device model10t hydraulic cylinder

3Impeller diametermm2062

4Bearing material35CrMo

5Hub materialForging steel

6Blade materialCast aluminium alloy

7Impeller seriesLevel2

8Blade number of each stagePiece22

9Blade adjustable rangeDegree10~55

10Bore and stroke of hydraulic cylindermm/mm250/96

11Rotor weightkg4117

12Rotor moment of inertiaKg.m2674

13Fan first critical speedr/min1938

14Air inlet box material/wall thickness/mmQ235A/5

15Casing material/wall thickness/mmQ235A/12

16Diffuser material/wall thickness/mmQ235A/5

17Fan bearing typeRolling bearing

18Bearing lubrication typeForced lubrication

19Bearing cooling typeForced cooling

20Bearing bush cooling water volumet/h

21Fan rotation direction (view form motor side)Clockwise

22Muffler resistancePa150

23Fan total weightkg15797

24Max lifting weight/max lifting height in installationkg4320

m2.8

25Max lifting weight/max lifting height in maintenanceKg2640

m2.8

Technical data of primary air fan motorItemUnitPrimary air fan motor

ModelSTMKS560-4

Rated powerkW2900

Rated voltagekV11

Synchronous speedr/min1500

Start-up currentA1038

Rated currentA173

FrequencyHz50

Main featuresEfficiency95.6

Power factor0.89

Locked rotor torque0.5

Locked rotor current6.0

Max torque2.2

Insulation levelF/B

Weightkg21300

Cooling modeAir water cooling

Main technical data of primary air fan oil systemNo.ItemUnitValue (Hydraulic oil station)Value (Lubricating oil station)

1Flow ratel/min10~1215~18

2pressureMPa8.01.5~2.0

3Oil quality trademarkISO VG 32ISO VG 46

4Oil tank material/volume/m3Low carbon steel spray paint/0.203Low carbon steel spray paint/0.369

5Oil filter filtering precision1010

6Oil cooler water quantity0.240.6

7Oil cooler water pressureMPa0.2~0.40.2~0.4

8Oil cooler modelPlate typePlate type

9Oil pump modelGear pumpGear pump

10Oil pump numberSet22

11Oil pump speedr/min14301430

12Oil pump power2.20.75

13Quantity of oil tank electric heaterSet22

14Power of oil tank electric heaterkW1.01.0

Data of Primary Air Fan Oil station cooling water Equipment nameWater quality requirementWater pressure requirementWater temperature requirementWater quantity requirement

Lubricating oil station cooling water flow rateDemineralized water0.4~0.6Mpa4000

LP rotor B19031750>4000>4000

Generator rotor9841070>34003338

Parameters of steam extraction of all stages during TMCR operating condition Steam extraction stagesFlow (kg/h)Pressure (MPa (a))Temperature()Allowable max steam flow (kg/h)

First stage (to # 1HP heater)1354936.189391.8

Second stage (to 2# HP heater)1153713.853327.8

Third stage (to #3 HP heater)919472.203470.1

Fourth stage (to deaerator)992601.021358.5

Fourth stage (to small steam turbine)669891.021358.5

Fourth stage (to plant steam turbine)

Fifth stage (to #5 LP heater)466010.383245.4

Fifth stage (to plant steam turbine)

Sixth stage (to #6 LP heater)440500.220186.7

Seventh stage (to #7 LP heater)410780.121129.2

Eighth stage (to #8 LP heater)791350.06487.8

Specification of heater Specification of HP heaterItemUnitHP heater #1HP heater #2HP heater #3

ModelJG-2550JG-2680JG-2070

TypeHorizontal U-tubeHorizontal U-tubeHorizontal U-tube

Terminal temperature difference of feed water-1.700

Drainage terminal temperature difference5.65.65.6

Heating steam pressureMPa6.1893.8532.203

Heating steam temperature391.8327.8470.1

Enthalpy of heating steamkJ/kg3155.43042.23399.3

Feed water flowt/h187818781878

Inlet/outlet temperature of feed water246.3/277.3215.7/246.3182.2/215.7

Drainage flow from higher levelt/h135.49250.87

Drainage temperature from higher level251.9221.3

Effective heat exchange area of heaterm2255026802070

Effective surface area of drainage cooling sectionm2335437434

Effective surface area of condensing sectionm2190120031460

Effective surface area of steam cooling sectionm2314240176

Log mean temperature difference56.1/10.65/13.3244.4/9.91/13.07121.5/12.93/13.18

Heat exchange ratekJ/hr..m246373905/243196469/1840166324335834/229721906/3342333048352891/207444471/47760628

Total heat exchange coefficientkJ/hr..m22632/12012/41242283/11573/58522261/10989/8350

Specification of LP heaterItemUnit#5 LP heater#6 LP heater#7 LP heater#8 LP heater

ModelJD-1100-IVJD-1100-IIIJD-1620-IJD-1620- II

TypeHorizontalHorizontalHorizontal and compositeHorizontal and composite

Heating surface aream211001100650970

Design pressure of tube sideMPa4.04.04.04.0

Design temperature of tube side170150150150

Design pressure of shell sideMPa0.60.60.140.07

Design temperature of shell side265200150150

ManufacturerDongfang Steam Turbine Works

Specification of DeaeratorType YC-2069/230

Mode Internal Deaerator

Manufacturer DONGFANG BOILER GROUP CO.,LTD.

Shell materialSA-516GR70

Head material SA-516GR70

Deaerator rated output2069 TPH

Deaerator maximum output2400 TPH

The minimum stable operation output600 TPH

Deaerator maximum work pressure1.092 Mpa

The minimum stable operation pressure0.15 Mpa

Heating steam temperature under VWO condition357.8 Deg.Cen

Heating steam maximum temperature364.7 Deg.Cen

Deaerator design pressure1.3 Mpa

Deaerator design temperature370(steam pipeline) / 350(shell) Deg.Cen

Deaerator inlet water temperature139.8 Deg. Cen

The allowed minimum inlet water temperature100 Deg. Cen

Deaerator outlet water temperature181.5 Deg. Cen

Loss of discharging steam0.5 % Kg/h

Deaerator diameter3800 mm

Thickness of deaerator shell and head30 mm

Corrosion allowance2.5 mm

Welding coefficient1

Deaerator operation modeConstant-sliding pressure composite operation

Number of nozzles 2 piece

Nozzle materialstainless steel

Nozzle specification1200 TPH

Pressure droop under nozzle rated flow50 Kpa

Pressure droop under nozzle maximum flow58.8 Kpa

Deaerator effective volume230 m3

Deaerator total volume390 m3

Umber of safety valve2 piece

Safety valve typeA48Y-40

Safety valve dimensionDN200 mm

Safety valve nominal pressure4 Mpa

Safety valve setting pressure1.2 Mpa

Safety valve theory discharging capacity6400 Kg/h

TMCR normal operation discharging capacity490 Kg/h

Standby startup steam pressure 0.15 Mpa

Standby startup steam temperature250 - 300 Deg. Cen

Preheating time for cold state startup1.52 h

Diameter/length (including head)/thickness3800/35660/30 mm

Total height after installation (including support saddles)5800 mm

Equipment operation weight345100 kg

Deaerator net weight141500 kg

Weight of equipment filled with water531500 kg

Specification of feed water pump unit equipmentSpecification of feed water pump & booster pumpItemUnitOperating conditionRemarks

BMCR operating conditionTMCR operating conditionMax flow of single pumpMin flow of single pump

Model of booster pumpSQN300-670

Inlet water temperature of booster pump181.5178.6181.5181.5

Inlet water flow of booster pumpt/h119510571195265

Head of booster pumpmH2O133.5139.4133.5145

Efficiency of booster pump%82.283.582.242

Net positive suction head necessary for booster pumpm4.63.14.61.5

Booster pump speedr/min1490

Shaft power of booster pumpkW528.5480.5528.5270

Normal bearing bracket of booster pump (peak to peak)mm0.071

Weight of booster pumpkg2710

Model of main pumpCHTC6/5

Inlet water temperature of main pump181.5178.6181.5181.5

Outlet water flow of main pumpt/h116810331168265

Outlet water pressure of main pumpMPa(g)24.2522.7824.2529.35

Efficiency of main pump%82.882.482.837

Necessary net positive suction headm48.640.848.627.5

Bleed-off pressureMPa(g)10.610.2410.60

Bleed-off flowt/h2724270

Seal typeMechanical seal

Speedr/min5268498052685268

Shaft power of main pumpkW9872817098727500

Vibration amplitude of normal bearing bracket (peak to peak) mm0.036

Nominal pressure of booster pump connection flangeInletMPa4.0

OutletMPa4.0

Nominal pressure of main feed water pump connection flangeInletMPa4.0

OutletMPa40

Specification of booster pump connection pipe (S)InletmmDN400

OutletmmDN300

Specification of main pump connection pipe (S)InletmmDN300

OutletmmDN250

Weightkg10600

Rotating directionClockwise (view form drive side to pump)

Bearing typethrust bearing +sliding bearing

Drive modeThe electric feed water pump is motor; steam feed water pump is donkey engine

Efficiency of electric feed water pump unit%76%76.1%//

Efficiency of steam feed pump unit%81%80%//

Note: (g) in the Table means gauge pressureSpecification of hydraulic couplingItemUnitData

ManufacturerVOITH, German

ModelR18K500M

Carry over speedr/min1490

Speed of rated outputr/min5268

Rated output powerkW9872

Weightkg9200

Governing range%25-100

Rated slip%2.42

Rotating direction of output shaftAnticlockwise (view from pump to coupling)

Motor technical specification of booster pump and electric feed water pump unit:ItemUnitEquipment name

Motor of steam pump & booster pumpMotor of electric feed water pump

ManufacturerShanghai Electric Machinery Co., Ltd./Xiangtan Electric Motor Factory

ModelYKK500-4YKS1000-4

Rated powerkW63012000

Rated voltageKV1111

Synchronous speedr/min15001500

FrequencyHz5050

Efficiency%9496.8

Power factor0.880.88

Locked-rotor torque(times)0.90.5

Locked rotor current(times)6.05.4

Max torque(times)2.01.8

Insulation levelFF

WeightKg445037000

Cooling modeAir-air coolingAir-air cooling

Rotating directionAlong with the driver

Parameter table of feed water pump steam turbine operating conditionItemUnitVWO operating conditionTMCR operating conditionHP heater full cutting operating condition80%TMCR operating condition60%TMCR operating condition40%TMCR operating condition

Steam pressureMPa1.0921.0211.0990.8260.6420.453

Steam temperature357.8358.5363.1360.3363.2342.8

Steam flowt/h50.543.6

BackpressurekPa11.311.311.311.311.311.3

Speedr/min52684980Meet the requirements of feed water pump operation.

Relative internal efficiency%84.283.18

Mechanical losskW150150

Output powerkW98728170

Steam losskg/kW.h5.1165.337

Exhaust amountt/h50.543.6

Exhaust temperature48.248.2

Exhaust enthalpykJ/kg24612489

Technical specification table of steam turbine driven feed water pumpItemUnitData

ModelNK63/71

TypeSingle cylinder, single-flow, single shaft, reaction, pure condensing, downward exhaust, low temperature and reheat steam external switching

Operating modeVariable power, variable parameter and variable speed

Rated powerkW8170

Max continuous powerkW12000

Efficiency within rated operating condition(TMCR)%83.18

Rated admission pressureMPa.a1.021

Rated admission temperature358.5

Rated exhaust pressurekPa.a11.3

Rated exhaust temperature48.2

Max exhaust temperatureAbout 108.1

Governing ranger/min3000~6000

Max permissible admission pressureMPa.a2.5

Max permissible admission temperatureAbout 100

Steam inlet flowt/h51.5

Steam source switching point30%~40%Rated operating condition

Critical speed of first orderr/min~7000

Connection mode with feed water pumpGear elastic coupling

Rotating directionClockwise (viewed form steam turbine head to pump), finally confirmed by feed water pump factory.

Max noise level (1m away from the feed water steam turbine shell) DB(A)85

Installation modeIndependent chassis, segmental hoisting

Direction of exhaust portDownward

Size of exhaust portmm12702270

Overall dimension (including outer casing)mm401039203600

Size form operating level to flange facemm1800

Total weightt50

Rotor weightt5.3

Upper cylinder weightt9

Lower cylinder weightt12.1

Weight of maximum transported part (name)t36

Weight of maximum maintained part (name)t9

Parameter of Governing safeguard systemNameUnitValue

1. Type of governing systemMEH

2. Control valve

QuantityPiece1

Inner diametermm350

Material of valve body and valve handleZG25A2Cr12MoV

3. Main steam stop valve

QuantityPiece5

Inner diametermm4 100, 1 160

Material of valve body and valve handleZG25A, 2Cr12MoV

4. Steam check valve

5. Emergency governor

TypeMechanical

QuantitySet1

7. TripSet1

Trip when axial displacement increasesMm0.8

Trip when the vacuum is lowMPa0.07

Trip when the lubricating oil pressure is lowMPa (a)0.08

8. Atmospheric release valveSafety diaphragm plate

Lubricating oil system of feed water pump steam turbineNameUnitValue

1.Oil trademark and oil quality standardISO VG32

2. Required oil quantity of oil systemKg8000

3. Circulation rate of bearing oil8

4. Bearing oil pressure0.15

5. Main oil tank

ModelYX-0630

Capacitym310

Dimensionmmmmmm335017002100

Design pressureMPa (g)0.6

MaterialCarbon steel

Weight of oil tankKg3300

Return oil flowKg34500~68000

6. Main oil pump

TypeVertical centrifugal oil pump

Manufactured byBeijing HighStar Pump Co., Ltd., Sichuan Shengda Pump Industry Equipment Manufacture Co., Ltd., Zigong Dongfang Filter Manufacture Co., Ltd.

Flowm3/h30~90

Outlet pressureMPa(g)1.1~1.0

Speedr/min2950

Motor capacityKW55

Motor voltagev415

Total weightKg800

7. Oil cooler

Type (plate type)Plate type

Manufactured byAPV

QuantitySet2

Effective cooling aream230

Design temperature of cooling water inlet36

Outlet oil temperature45

Cooling water flowkg/h130000

Thickness of plate

Design pressureMPa (g) 1.0 (water side), 1.6 (oil side)

Design temperature:80

Material of plate:TP316L

Total weight of each setkg~250(operating)

8. Auxiliary oil pump

TypeVertical centrifugal oil pump

ManufacturerBeijing HighStar Pump Co., Ltd., Sichuan Shengda Pump Industry Equipment Manufacture Co., Ltd., Zigong Dongfang Filter Manufacture Co., Ltd.

QuantitySet1

Flowm3/h30~90

Outlet pressureMPa (g) 1.1~1.0

Speedr/min2950

Motor capacitykW55

Motor voltageV415

Total weightkg800

9. DC emergency oil pump

TypeDC gear oil pump

ManufacturerBeijing HighStar Pump Co., Ltd., Sichuan Shengda Pump Industry Equipment Manufacture Co., Ltd., Zigong Dongfang Filter Manufacture Co., Ltd.

QuantitySet1

Capacitym3/h18

Outlet pressureMPa (g) 0.36

Speedr/min1000

Motor capacitykW5.5

Motor voltageV220 VDC

Total weightkg200

10. Oil temperature regulator (temperature control valve)

Type3BRSJ11507-00-AA

Manufactured byAmerican AMOT

QuantitySet1

Capacitykg/h32000

Size3

Total weight35

11. Oil filter (lubricating)

TypeDuplex

Manufactured byHANGZHOU STEAM TURBINE CO., LTD.

QuantitySet1

Capacity2100%

Overall dimensionmm850320800

12. Range hood of oil tank

TypeVertical

ModelAC

Manufactured byYuhang Special Fan Co., Ltd.

QuantitySet2

Operating air flowm3/h7

Test air flowm3/h420

Wind pressureKPa2.5

Speedr/min2830

Motor capacitykW1.1

Motor voltageV415

Motor modelYB802-2

Total weightkg17

Turning Gear of TDBFPNameUnitValue

TypeOil turbine

Turning SpeedRpm~120

Protection of feed water steam turbine Exhaust pressure upper limit alarmMpa0.05

Exhaust pressure upper limit shutdownMpa0.07

Exhaust temperature upper limit alarm80

Low lubricating oil pressure protectionAlarmMpa0.15

AC lubricating oil pump is put into operation Mpa0.1

Shut down and Interlocking start DC lubricating oil pumpMpa0.08

Electric turning gear must not be put into operationMpa0.04

Low safeguard oil pressure protectionShut downMpa6 (meter)

High bearing temperature protection AlarmReturn oil temperature65

Bearing pad temperature95

ShutdownReturn oil temperature70

Bearing pad temperature110

Shaft vibration protectionAlarmmm0.1

Shutdownmm0.125

Parameters of couplingBearing temperatureWorking rangeAlarm temperatureShutdown temperature6035 45 35 45 74kPa; HP bypass flow: >120t/h;Warm startup (shutdown for 48h): Main steam pressure: 8.62MPa; Main steam temperature: 400;Reheated steam pressure: 1.10MPa; Reheated steam temperature: 380;Condenser vacuum: >74KPa; HP bypass flow: >150t/h;

Hot startup (shutdown for 8h): Main steam pressure: 8.62MPa; Main steam temperature: 440;Reheated steam pressure: 1.10MPa; Reheated steam temperature: 420;Condenser vacuum: >74KPa; HP bypass flow: >190t/h;Very hot startup (shutdown for 8h):Main steam pressure: 12.9MPa; Main steam temperature: 500;Reheated steam pressure: 1.10MPa; Reheated steam temperature: 480;Condenser vacuum: >74KPa; HP bypass flow: >190t/h;

Perform silicon cleaning according to the requirements under each pressure in the following table.Pressure (MPa)9.811.814.716.717.7

SiO2 content (mg/L)3.31.280.50.30.2

Table for opening state and function of valves on in all the stages of IP cylinder startupPeriod/FunctionICVCVVVCRCVHPBVLPBV

Before impulse startingFully closedFully closedFully closedFully closedPartially openPartially open

AccelerationPartially openSlightly open in cold state and fully open in other statesFully openFully closedPartially openPartially open

Cold warming upPartially openSlightly open in cold state and fully open in other statesFully openFully closedPartially openPartially open

SynchronizationPartially openFully closedFully openFully closedPartially openPartially open

With initial loadPartially openFully closedFully openFully closedPartially openPartially open

Switch loadPartially open to fully openFully closed to partially openFully open to fully closedFully closed to Fully openPartially open to fully closedPartially open to fully closed

Run upFully openPartially openFully closedFully openFully closedFully closed

Run downPartially openPartially openFully closedFully openFully closedFully closed

TripFully closedFully closedFully closedFully closedPartially openPartially open

FunctionControl steam admission of IP cylinderControl steam quantity with loadPrevent over temperature of HP cylinder steam exhaustPrevent inverse flow of steam to HP cylinderControl main steam pressureControl pressure of reheater

Monitoring of Normal Operation ParametersLimitation of the normal operation main parameters of turbineNo.ParameterUnitNormalUpper limitLower limitTrip

1Speedrpm30003360

2LoadMW600640

3Main steam temperature538546528

4HP exhaust temperature