Power plants – Combustion products used as motive fluid
Patent
1996-09-04
1998-03-17
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 3907, 60 393, F02C 330, F02C 618
Patent
active
057273774
ABSTRACT:
In a method of and an apparatus for operating a power station plant, essentially comprising a gas-turbine group (40, 41, 46), a waste-heat steam generator (8) and a downstream steam consumer, for example a steam turbine (1) having a generator (2), the exhaust gas of the gas-turbine group (40, 41, 46) releases heat to the water fed via a feed-water line (15) and directed in counterflow through the waste-heat steam generator (8). The steam generated is fed to the steam consumer (1) via at least one steam line (6). The water fed by the feed-water line (15) is directed through the waste-heat steam generator (8) in a once-through arrangement. The exhaust gases of the gas-turbine group (40, 41, 46) are directed through the waste-heat steam generator (8) at every operating instant. The steam generated in the waste-heat steam generator (8) is directed into the gas-turbine group (40, 41, 46) via an injection steam line (23) when the steam consumer (1) is shut off.
REFERENCES:
patent: 2605610 (1952-08-01), Hermitte et al.
patent: 4928478 (1990-05-01), Maslak
patent: 4969324 (1990-11-01), Woodson
patent: 5566542 (1996-10-01), Chen et al.
Fetescu Mircea
Nielsen Henrik
Asea Brown Boveri AG
Casaregola Louis J.
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