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Bargemounted Power Plant, 220MW, 4x Gas Turbines, 1x Steam Turbine, 106x55.2x6m Barge

Description

  1. Once Through Steam Generator (Otsg)

    1. Manufacturer: Innovative Steam Technologies

    2. Type: Once through steam generator

    3. Number of boilers: 4

    4. Working pressure (HP): 865 psig / 59.62 kg/cm²(g)

    5. Working pressure (LP): 68.3 psig / 4.71 kg/cm²(g)

    6. Design pressure (HP): 953 psig / 65.71 kg/cm²(g)

    7. Design pressure (LP): 103 psig / 7.10 kg/cm²(g)

    8. Hydraulic test pressure (HP): 1884 psig / 129.87 kg/cm²(g)

    9. Hydraulic test pressure (LP): 384 psig / 26.47 kg/cm²(g)

    10. Flue gases: Gas turbine exhaust flue gas

    11. Capacity (HP): 107,600 lb/hr / 48,806.5 kg/hr

    12. Capacity (LP): 35,570 lb/hr / 16,134.28 kg/hr

    13. Design dry running gas temperature: 986°F

    14. Maximum operating gas temperature: 856°F

    15. Dry running capability up to 560°C

  2. Barge

    1. Function: Contains and delivers one combined cycle barge mounted floating power plant of nominal net capacity 220 MW, consisting of 4 once through steam generators, 1 steam turbine generator, 4 combustion gas turbine generators, and auxiliary equipment

    2. Barge size (length x width x depth): 106 m x 55.2 m x 6 m

    3. Barge draft for towing: 2.4 m (normal operation 3.4 m)

    4. Total barge weight: 13,900 tonnes

    5. Barge itself including steam turbine hall, control building and above deck foundations: approximately 6,000 tonnes

    6. Stability: Designed to comply with intact stability regulation of US 46 CFR Chapter I, Section 174.015 for river and harbor service

    7. Stability: Designed to comply with one compartment damage stability regulations of US 46 CFR Chapter I, Section 172.065

    8. Stability: Designed to comply with wind heeling moment as defined in CFR Chapter I, Section 174.055

    9. Stability: Designed to comply with IMO International Convention on Load Lines

    10. Barge access: Four ramps designed to access the barge from shore

    11. One main ramp 6 m wide

    12. One ramp 4.5 m wide

    13. Two auxiliary ramps 3.5 m wide respectively

    14. Barge ventilation: Below deck spaces ventilated according to recommended practices of SNAME T&R 4 to 16” calculation merchant ship heating, ventilation and air conditioning design

    15. Fans sized to limit temperature rise in ventilated spaces to less than 5°C and to provide sufficient ventilation air to ensure noxious fumes are below accepted occupational safety regulation levels

  3. Chillers

    1. Function: Cool gas turbine intake air and enhance output of each gas turbine by 7 to 10 MW approximately

    2. Operation: Vapour compression cycle using refrigerant HFC134a

    3. Motor: Hermetically sealed

    4. Lube oil and motor windings cooled by refrigerant

    5. Design criteria: GT chiller coil required cooling capacity: 1200 USRT x 2 sets

    6. GT chiller cooling coil design condition: Inlet air condition (ambient): 37°C DB / 75% RH

    7. Outlet air condition (GT inlet air): 7.22°C DB / 95% RH

    8. GT inlet air flow rate: 128.9 kg/s

    9. Chilled water supply / return temperature: 5°C / 13.8°C

    10. Chilled water flow rate: 326 m³/h

    11. Chilled water system consists of the following equipment:

    12. Group 1: GT-1 combustion air chilling coil #1 (100%, 1 set)

    13. GT-2 combustion air chilling coil #2 (100%, 1 set)

    14. CS-M-CH01-1A centrifugal chiller #1A (50%, 1 set)

    15. CS-M-CH01-1B centrifugal chiller #1B (50%, 1 set)

    16. CS-M-CH01-2A centrifugal chiller #2A (50%, 1 set)

    17. CS-M-CH01-2B centrifugal chiller #2B (50%, 1 set)

    18. CS-M-PP01-1A chilled water circulation pump #1A (50%, 1 set)

    19. CS-M-PP01-1B chilled water circulation pump #1B (50%, 1 set)

    20. CS-M-PP01-2A chilled water circulation pump #2A (50%, 1 set)

    21. CS-M-PP01-2B chilled water circulation pump #2B (50%, 1 set)

    22. Group 2: GT-3 combustion air chilling coil #3 (100%, 1 set)

    23. GT-4 combustion air chilling coil #4 (100%, 1 set)

    24. CS-M-CH01-3A centrifugal chiller #3A (50%, 1 set)

    25. CS-M-CH01-3B centrifugal chiller #3B (50%, 1 set)

    26. CS-M-CH01-4A centrifugal chiller #4A (50%, 1 set)

    27. CS-M-CH01-4B centrifugal chiller #4B (50%, 1 set)

    28. CS-M-PP01-3A chilled water circulation pump #3A (50%, 1 set)

    29. CS-M-PP01-3B chilled water circulation pump #3B (50%, 1 set)

    30. CS-M-PP01-4A chilled water circulation pump #4A (50%, 1 set)

    31. CS-M-PP01-4B chilled water circulation pump #4B (50%, 1 set)

    32. Name plate details: Type: Centrifugal

    33. Make: Carrier, USA

    34. Refrigerant used: R 134A

    35. Quantity of refrigerant charge: 1270 kg

    36. Number of chillers: 8

    37. Capacity: 1210 USRT each

    38. Motor: Hermetically sealed

    39. Rated power: 808 kW

    40. Design chilled water temperature: 5°C

    41. Delta T across evaporator: 8.8°C

    42. Chilled water flow rate: 415.77 m³/hr

    43. Design sea water inlet temperature: 29°C

    44. Delta T across condenser: 6°C

    45. Condenser sea water flow rate: 739 m³/hr

    46. Number of tubes in evaporator: 976

    47. Evaporator tube diameter: 19.05 mm

    48. Evaporator heat transfer area: 228 m²

    49. Evaporator tube material: Copper

    50. Chilled water: DM water

    51. Evaporator fouling factor: 0.00008806 m²·°C/W

    52. LMTD across evaporator: 7.13

    53. Evaporator approach: > 1°C

    54. Number of tubes in condenser: 1170

    55. Condenser tube diameter: 19.05 mm

    56. Condenser heat transfer area: 257 m²

    57. Condenser tube material: Titanium

    58. Condenser fouling factor: Not specified