Pressurized fluidized bed combustion combined cycle power plant

Details Pressurized fluidized bed combustion combined cycle power plant Pressurized fluidized bed combustion combined cycle power plant

1991-03-12

1993-04-20

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39182, 60 39464, F02C 326, F02C 618

Patent

active

052031594

ABSTRACT:
A pressurized fluidized bed combustion combined cycle power plant has a gas turbine unit of single spindle type in which a turbine, driven by combustion gas from burning of coal in a pressurized fluidized bed combustion boiler, drives an electrical generator at constant speed and drives a compressor supplying compressed combustion air to the boiler. To permit partial load operation, a control arrangement is provided to effect, in dependence upon an operating load of the boiler, control of at least one of the flow rate of the combustion air into the boiler, and the operating pressure in the combustion chamber of the boiler. The control arrangement may be, for example, a valve controlling a by-pass flow of the combustion air and/or inlet guide vanes of the compressor.

REFERENCES:
patent: 4306411 (1981-12-01), Zoll
patent: 4462206 (1984-07-01), Aguet
patent: 4590868 (1986-05-01), Ishihara
patent: 4838209 (1989-06-01), Hjalmarsson
patent: 4852354 (1989-08-01), Greis
Pillai K. "Pressurized Fluidized Bed Combustion" Lund University Press, Sweden.

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