Method of operating a reheat power plant with steam injection

Details Method of operating a reheat power plant with steam injection Method of operating a reheat power plant with steam injection

1996-03-01

1997-11-25

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3917, 60 39182, 60 3955, F02C 330, F02C 712

Patent

active

056899483

ABSTRACT:
In a method of operating a power station plant which essentially comprises a gas-turbine group and a waste-heat steam generator (14) arranged downstream, the exhaust gases from said gas-turbine group, which essentially comprises a compressor (1),tcw a first combustion chamber (4), a first turbine (7), a second combustion chamber (9), a second turbine (12) and a generator (19), are directed through said waste-heat steam generator (14). The superheated steam (15) arising there is injected at a suitable point into the gas-turbine group. The saturated steam (16) arising there flows via a heat exchanger (17) through which a portion of compressor air (18) flows. The saturated steam (16) is converted into superheated steam (25) which is subsequently likewise injected into the gas-turbine group. The measures increase the efficiency and multiply the specific output of the plant.

REFERENCES:
patent: 4507914 (1985-04-01), Rice
patent: 5313782 (1994-05-01), Frutschi
patent: 5329758 (1994-07-01), Urbach et al.

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