Company founded 1975 US-based machinery business experienced in worldwide sales.

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Shanghai Steam Turbine Factory, N125-135/535/535, 1989, 125MW, 3000 rpm, Coal Fired Steam Turbine Generator Set

Description

  1. Overview
    1. Two units of 125 MW steam turbine generation set
    2. Started operation in 1989 and 1990
    3. Stopped operation in 2007
    4. In December 2002 and May 2004, upgraded the DCS and DEH systems to improve efficiency
    5. Two sets of 420 ton/hr boilers are not for sale and would be retained by the seller
  2. Steam Turbine Specifications
    1. Model: N125-135/535/535
    2. Type: Super high pressure, middle re-heat, twin cylinder, twin exhaust, condensation type
    3. Rated power: 125 kW
    4. Speed: 3000 rpm
    5. Main steam pressure: 135 kg/cm², max 140 kg/cm², min 130 kg/cm²
    6. Main steam temperature: normal 535°C, max 555°C, min 520°C
    7. High pressure cylinder exhaust pressure at rated working condition: 26 kg/cm²
    8. High pressure cylinder exhaust temperature at rated working condition: 319.5°C
    9. Cooling water temperature: normal 20°C, max 33°C
    10. Exhaust steam pressure: 0.05 kg/cm²
    11. Reheat steam extraction stages low temperature re-heater: 4
    12. High pressure re-heater: 2
    13. De-oxygenator: 1 unit
    14. Boiler feed water temperature at working condition: 239.5°C
    15. Stage numbers: 1, 2, 3, 4, 5, 6, 7
    16. Rated pressure per stage (kg/cm²): 37, 26, 7.83, 4.67, 2.5, 0.756, 0.158
    17. Temperature per stage (°C): 362.5, 319.5, 386, 321.2, 251, 137.2, 54.6
    18. Steam extraction per stage (kg/hr): 17599, 41735, 7391, 12906, 20130, 15392, 888
    19. Max vibration allowed under working speed: 0.05 mm
    20. Weight: approx. 320 ton
    21. Dimension: 13.5 x 7.4 x 5.4 m
    22. End blade dimension: d2035/L700 mm
    23. Lub oil pressure: 0.8 to 1.5
    24. Speed regulator oil pressure: 12
    25. At oil pressure meter 12, main oil pump oil flow: 4.5 m³/min
    26. Oil tank volume: 23 or 20 m³
    27. Oil cooler: 3 sets, model YL-80-II or YL-0-I
    28. Cooling surface: 8.0 to 60 m²
    29. Cooling capacity: 250 to 150 ton/hr
    30. Water side resistance: 1.7 m (at water flow of 250 ton/hr), 1.0 m (at water flow of 150 ton/hr)
  3. Condenser Specifications
    1. Model: N-7100-1
    2. Cooling surface: 7100 m²
    3. Weight without water: 135 ton
    4. Operation weight: 230 ton
    5. Cooling capacity: 18100 ton/hr
    6. Water resistance: 5.2 m water
    7. Max working pressure at water chamber: 1.5 kg/cm²
  4. Jet Water Steam Extractor Specifications
    1. Model: CS-480-25-3
    2. Working pressure: 3.6, water temperature: 20
    3. Water consumption: 480 ton/hr
  5. Steam Re-Heater Specifications
    1. Model: JC-26-1
    2. Re-heater water flow: 120 ton/hr
    3. Re-heater surface area: 26°C
    4. Pipe internal water flow: 1.25 m/sec
  6. Generator Specifications
    1. Type: Twin water cooled generator
    2. Rated power: 147 KVA, power factor: 0.85
    3. Voltage: 13800 V, speed: 3000 rpm
    4. Current: 6150 A
    5. Efficiency: 98.35%
  7. Condition
    1. Still installed