Steam cycle for combined cycle with steam cooled gas turbine

Details Steam cycle for combined cycle with steam cooled gas turbine Steam cycle for combined cycle with steam cooled gas turbine

1993-11-04

1995-05-09

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39182, F02C 618

Patent

active

054129370

ABSTRACT:
In a combined cycle system including a gas turbine (12), a steam turbine (20) and a heat recovery steam generator (32), wherein gas turbine exhaust is used in the heat recovery steam generator (32) for reheating steam for the steam turbine (20), an improvement wherein steam is extracted from the heat recovery steam generator (32) at a location where steam pressure is highest, conducted to the gas turbine (12) for cooling hot gas turbine parts, and returned to the steam turbine (20) at the point of highest pressure admission.

REFERENCES:
patent: 1901873 (1933-03-01), Holzwarth
patent: 4424668 (1984-01-01), Mukherjee
patent: 4519207 (1985-05-01), Okabe et al.

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