Key Components
The Colver Plant produces approximately 130 Megawatt of electricity, 27 of which is either used by the plant and its peripheral facilities, or is lost during transmission to the main sub station (line losses). The actual amount supplied to the power grid (103MW) is roughly the equivalent of what 100,000 typical US households consume. As a base load facility, all the power produced is being sold to the Pennsylvania Electric Company (Penelec) under a long term agreement.
The Plant's main equipment
consists of :
BOILER: One Pyropower / Foster Wheeler circulating fluidized bed (CFB)
boiler generating 785,000 lb./hr at 2,525 psig and 540 C° reheat.
TURBINE GENERATOR: One Mitsubishi /
Westinghouse Steam turbine/generator with a nameplate capacity of capacity of 140
Megawatt.
EMISSION CONTROLS: Limestone injection, staged combustion with thermal DeNOx and
a 16-compartment fabric filter bathhouse. The Anhydrous Ammonia Injection System
(SCNR) achieves a 45% reduction. The baghouse reaches a 99.96% reduction and the limestone
injection system captures 92% of the SO2 emissions.
Power Block Data:
Steam Flow: 785,000 lb./hr (98.9 kg/s) |
Steam Pressure: 2,525 psig (174 bar) |
| Steam Temperature: 1,005 F (540 C°) |
| Feedwater Temperature: 482 F (250 C°) |
| Total Heat Output: 923 Mbtu (270 MWt) |
Fuel Data:
Sulfur Content: 2.5% |
Moisture Content: 8.0% |
| Ash Content: 37.8% |
| HHV/LHV: 8,000 / 7,700 Btu/lb. |
Emissions Related Data:
SO2 : 0.310 lb./hr |
NOx : 0.200 lb./hr |
| CO : 0.220 lb./Mbtu |
| VOC : 0.010 lb./Mbtu |
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