Apparatus for cooling steam turbine for use in single-shaft comb

Details Apparatus for cooling steam turbine for use in single-shaft comb Apparatus for cooling steam turbine for use in single-shaft comb

1987-04-24

1988-12-27

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

122 7R, F02C 618

Patent

active

047931329

ABSTRACT:
A combined plant comprising a gas turbine, a waste heat recovery boiler using exhaust gases of the gas turbine as a heat source and including low pressure and high pressure steam generators and a steam turbine arranged to be driven by the steam supplied from the boiler, the gas turbine and the steam turbine being connected by a single shaft. At the time of plant startup, low pressure steam from the low pressure steam generator is introduced into the steam turbine prior to the generation of high pressure steam, thereby preventing the steam turbine from being overheated due to a windage loss.

REFERENCES:
patent: 3204407 (1965-09-01), Meissenberg et al.
patent: 4081956 (1978-04-01), Baker et al.
patent: 4207842 (1980-06-01), Kehlhofer
patent: 4501233 (1985-02-01), Kusaka
patent: 4519207 (1985-05-01), Okabe et al.

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