Power plants – Combustion products used as motive fluid
Patent
1975-04-02
1979-09-25
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 3918B, F02C 702, F02C 902
Patent
active
041686080
ABSTRACT:
A combined cycle electric power plant includes gas and steam turbines and a steam generator for recovering the heat in the exhaust gases exited from the gas turbine and for using the recovered heat to produce and supply steam to the steam turbine. The steam generator includes a superheater tube through which a fluid, e.g. water, is directed to be additionally heated into superheated steam by the exhaust gas turbine gases. An afterburner further heats the exhaust gas turbine gases passed to the superheater tube. The temperature of the gas turbine exhaust gases is sensed for varying the fuel flow to the afterburner by a fuel valve, whereby the temperatures of the gas turbine exhaust gases and therefore of the superheated steam, are controlled. Loading and unloading of the steam turbine is accomplished automatically in coordinated plant control as a function of steam throttle pressure.
REFERENCES:
patent: 3552872 (1971-01-01), Gins et al.
patent: 3762162 (1973-10-01), Miura et al.
patent: 3866109 (1975-02-01), Reed et al.
patent: 3879616 (1975-04-01), Baker et al.
Casaregola Louis J.
Possessky E. F.
Westinghouse Electric Corp.
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