Method of operating a combination power plant by coal or oil gas

Details Method of operating a combination power plant by coal or oil gas Method of operating a combination power plant by coal or oil gas

1994-01-18

1995-05-02

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3912, F02C 328

Patent

active

054108691

ABSTRACT:
In a method for operating a combined cycle power plant with coal or oil gasification, wherein the oxygen required for gasification is supplied by an air separation plant, the air required for the air separation plant is condensed in a first, separate condenser and is cooled in a heat exchanger prior to being supplied to the air separation plant. Only enough nitrogen produced in the separation plant is supplied to the gas turbine combustion chamber as the surge limit of the compressor permits. The remaining portion of the nitrogen is expanded to ambient pressure in an expander after exiting the air separation plant.

REFERENCES:
patent: 4019314 (1977-04-01), Springmann
patent: 4250704 (1981-02-01), Bruckner et al.
patent: 4697413 (1987-10-01), Pohl
patent: 4785621 (1988-11-01), Alderson et al.
patent: 5081845 (1992-01-01), Allam et al.

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