Steam cooled gas turbine system

Details Steam cooled gas turbine system Steam cooled gas turbine system

1998-02-27

2000-08-29

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60 3975, 60730, F02C 618, F02C 712

Patent

active

061090190

ABSTRACT:
A steam cooled gas turbine system in a combined power plant, constituted such that a tail pipe of a combustor is cooled with intermediate pressure steam from an exhaust heat recovery boiler, or outlet bleed steam from a high pressure turbine, and the cooling steam is recovered into an intermediate pressure turbine or an intermediate area of a reheater of the exhaust heat recovery boiler, whereby thermal efficiency is improved, and a cut in NO.sub.x is achieved.

REFERENCES:
patent: 4424668 (1984-01-01), Muckerjee
patent: 4571935 (1986-02-01), Rice
patent: 5428950 (1995-07-01), Tomlinson et al.
patent: 5826430 (1998-10-01), Little
Patent Abstracts of Japan, Abstract for 06-173616, published Jun. 21, 1994,Watanabe Naomichi.
Patent Abstracts of Japan, Abstract for 09-013917, published Jan. 14, 1998,Fujii Kenji.
Patent Abstracts of Japan, Abstract for 08-061012, published Mar. 5,1996,Kawai Jun.
Patent Abstracts of Japan, Abstract for JP 07-004210, published Jan. 10, 1995, Noguchi Yoshiki.
Patent Abstracts of Japan--Abstract for JP 06-323162 A, published Nov. 22, 1994; Nakamura Shozo.

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