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1X6.8MW Steam Turbine with Generator Set and Auxiliary Equipment of Coal Power Plant

Price $200000.00
Min Order 1 Piece
Availability In Stock
Shipping From Zhejiang, China
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Model NO.:
steam turbine
Trademark:
Nanjing
Transport Package:
Standard
Specification:
3x16mw
Origin:
China
Product Description







1,Specification of steam turbine
  1. Manufacturer :Najing Steam Turbine Motor Factory
  2. Model :B6-4.90/0.981
  3. Rated power :6MW
  4. Rated rotary speed:3000r/min
  5. Rotary direction:clockwise as steam flux direction
  6. Criticality rotary speed:1596r/min
  7. Front steam pressure of main steam valve :4.90-0.3+0.2 MPa
  8. Front steam temperature of main steam valve :470ºC-15+10
  9. Exghaust steam absoulate pressure:0.981MPa
  10. Rated exghaust steam temperature :291.5ºC
  11. Movity pressure of safety door :1.23MPa
  12. Max vibration of bearing over criticality rotary speed:≤0.15mm
  13. Max vibration of bearing at working rotary speed:≤0.03mm
  14. Efficient of steam turbine at working condition:0.7517
  15. Loss of steam turbine at working conditions:11.48kg/kwh
  16. Thermal loss of steam turbine ar working conditions:4049kJ/kwh
  17. Body weight of steam turbine :31t
  18. Disconnect plat weight :9.2t
  19. Rotary of steam turbine weight :1.906t
  20. Size of steam turbine :(L×W×H)4582×2660×3085mm
  21. Middle height of steam turbine :750mm
2,Specificaiton of generator set
  1. Generator
Model :QFW-6.8-2
Rated power :6800kw
Rated rotary speed :3000r/min
Voltage :6300V
  1. Excitor
Model :TFLW50-3000
Power :50kw
Voltage :163V
Current :307A
3,Auxillary equipments
  1. Oil tank :V=3300liter
  2. Clloing condensing unit :
Model :YL-20-2
Cooling area:20m2
Oil side pressure :0.99MPa
Water side pressure :0.66MPa
  1. Oil filter :LY-80
  2. Air cooling unit
Model :LRW3-230  
Max pressure :0.196MPa
Power :230kw       
Wind flux :7.5m3/s
Water pressure lower :0.0051MPa  
Wind resistor pressure lower :288Pa
Clooing water temperauture :≤33ºC 
Consumption of water :65m3/h
  1. steam seal heater :JQ-10/20
  2. High pressure AX OIL pump
MODEL :100Y-1200            
FLUX :79m3/h        
LIFT :75m
MOTOR CAPACITOR :37kw 
ROTARY SPEED :2950r/min
Rted current :69.8A               
Rated voltage :380V
  1. Accudnt DC oil pump
MODEL :2CY-18/3.6-1         
FLUX :18m3/h                      
LIFT :36m
MOTOR CAPACITOR :5.5kw 
ROTARY SPEED :1000r/min
RATED CURRENT :30.4A             
VOLTAGE :220V
4.SPECIFICAITON OF REGUALTION AND SEFETY SYSTEM
  1. STEAM TURBINE RATED ROTARY SPEED:             3000r/min
  2. Main oil pump output oil pressure:            1.08MPa
  3. Impulse pump output oil pressure :           0.687MPa
  4. Oil pump group Inlet oil pressure :                    0.098MPa
  5. Synchronizer adjustment range without load:            2880~3180r/min  
  6. Regulator regulation range:                         0.785~1.275MPa
  7. Speed Unequal rate                              5±1%
  8. Pressure unequal rate                              ≤10%
  9. Speed regulation System delay rate:                   ≤0.5%
  10. Impulse oil pressure (first time) :                    0.392MPa
  11. Oil Motive Stroke without load:                     13mm
  12. Oil Motive Strokewith load:                         76.8mm
  13. Emergency breaker working speed:                   3270~3330r/min 
  14. Emergency breaker recovery speed:                   <3050r/min,by manual 
  15. Emergency breaker working speed at oil spouting test :    2920±30r/min 
  16. Working speed of digital speed meter:         3360r/min 
  17. Rotor axial Displacement alarm value :               +1.0~-0.6mm
  18. Rotor axial Displacement protative value:               +1.3~-0.6mm
  19. Bearing return oil temperature alarm value:             65ºC
  20. bearing return oil temperature protative value:             75ºC
  21. bushing Temperature alarm Value                                105ºC
  22. bushing Temperature Protection Value:                110ºC
  23. lube oil pressure lower:                      ≤0.05MPa high pressure pump start
  24. lube oil pressure lower :                     ≤0.04MPaDC oil pump start
  25. lube oil pressure lower (protetive)        ≤0.02MPa stop
  26. lube oil pressure lower                      ≤0.015MPa stop
  27. lube oil pressure riser                      ≥0.12MPa high pressure oil pump stop
  28. lube oil pressure riser :                   ≥0.15MPa DC oil Pump 
  29. auto main steam door shut down time :       <1s
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