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Mitsubishi, Steam Turbine Power Plant, 1999, 147MW, 60Hz, Pulverized Coal

Mitsubishi, Steam Turbine Power Plant, 1999, 147MW, 60Hz, Pulverized Coal

Description

  1. Overview
    1. Steam turbine power plant
    2. Brand: Mitsubishi (Japan)
    3. Manufacturing year: 1999
    4. Running hours: 43,970 hours
    5. Output: 147 MW (at generator terminal)
    6. Type: Exhaust re-heating, re-usable, condensate turbine
    7. Speed: 3600 rpm
    8. Fuel: Pulverized coal
    9. Coal consumption: 3220 kg x 8/h = 25.76 ton/h
    10. Extraction stage no.: 7 stages
    11. Main steam pressure: 169 kg/cm2g (16.57 MPa)
    12. Main steam temperature: 566 °C
    13. Reheating steam temperature: 538 °C
    14. Reheating steam pressure: 30.4 kg/cm2 (2.98 MPa)
    15. Exhaust room pressure: 722 mmHGVAC (-0.0959 MPa)
    16. Cooling water: Sea water
    17. Condensation of water machine
    18. Air extractor
    19. High pressure water supply heater x 3 units
    20. Low pressure water supply heater x 3 units
  2. Generator
    1. Brand: Mitsubishi (Japan)
    2. Manufacturing year: 1999
    3. Output: 147 MW (163,334 MVA)
    4. Frequency: 60 Hz
    5. Volts: 15,000 V
    6. Current: 6287 A
    7. Power factor: 0.9
    8. Phase: 3
    9. Pole: 2
    10. Field magnetic current: 1475 A
    11. Brushless type
    12. Air cooling
    13. Weight: approx. 180 ton
    14. Replace the stator with a new one: year 2016
    15. Replace the inner frame with a new one: year 2018
    16. Replace the bearing with a new one: year 2019
  3. Boiler
    1. Manufacturing year: 1999
    2. Type: Single-body radiation reheating type, natural circulation type
    3. Steam capacity: 460 ton/h (100% MCR)
    4. Main steam pressure: 174 kg/cm2g (super heater outlet)
    5. Main steam temperature: 569 °C (super heater outlet)
    6. Reheating steam temperature: 541 °C (re-heater outlet)
    7. Combustion: Coal or coal/A-heavy oil
    8. Fuel: Coal (100% MCR), A-heavy oil (35% MCR)
    9. Pulverized coal burners (8 units): 3220 kg/h (per burner)
    10. Coal consumption: 3220 kg x 8/h = 25.76 ton/h
    11. Heavy oil burner (8 units): 1670 kg/h (per burner)
    12. Heavy oil burner ignition device (8 units): electric ignition type gas igniter
    13. Start fuel: A-heavy oil
    14. For ignition: LPG or A-heavy oil
    15. Combustion type: Rotation combustion
    16. Main fuel: Pulverized coal
  4. Pulverized Coal Machine
    1. Supply coal machine: 20 ton/h x 3 units
    2. Capacity: 18 ton/h (270 kW) x 3 units
    3. Burner (low NOx burner)
  5. Main Equipment List of Boiler
    1. Steam drum
    2. Furnace
    3. Super heater
    4. Coal saver
    5. Renewable air preheater
    6. Steam-type air preheater
    7. Ash treatment device
  6. Main Auxiliary of Power Plant
    1. Pulverized coal machine
    2. Transformer
    3. Electric type dust collector
    4. Pure water manufacturing device
    5. Ammonia supply device
    6. Air compressor
    7. Fire extinguishing equipment
    8. Desulfurization device
    9. De-nitrite device
    10. Air-ventilation device
    11. Seawater intake equipment
    12. Continuous coal unloader (600 tons/h)
    13. Coal-carrying conveyor
    14. Coal transport conveyor: 4 units
  7. Specifications
    1. Weight: 180000