Combined cycle power station with gas turbine cooling air cooler

Details Combined cycle power station with gas turbine cooling air cooler Combined cycle power station with gas turbine cooling air cooler

1997-10-22

2000-02-01

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60 3975, F02C 618

Patent

active

060189428

ABSTRACT:
In a combined power station installation with a gas turbine (4) and a steam turbine (9-11), the exhaust gases from the gas turbine give up their residual heat to the steam turbine via the working medium flowing in a waste heat boiler (7). The waste heat boiler consists essentially of an economizer (21), an evaporator (22) and a superheater (23). A cooling air cooler (32, 33) designed as a once-through steam generator is connected on the water side to the economizer (21) of the waste heat boiler (7). The waste heat boiler is a once-through steam generator in which a separation bottle (25) is arranged on the steam side between the evaporator (22) and the superheater (23). The cooling air cooler (32, 33) is connected on the steam side to the separation bottle (25).

REFERENCES:
patent: 5404708 (1995-04-01), Sigling et al.
patent: 5491971 (1996-02-01), Tomlinson et al.

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