Method for operating a gas and steam turbine system, and gas and

Details Method for operating a gas and steam turbine system, and gas and Method for operating a gas and steam turbine system, and gas and

1993-08-10

1994-12-06

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

122 7R, F02C 618

Patent

active

053699505

ABSTRACT:
Method for operating a gas and steam turbine system without a feedwater tank, wherein heat contained in a pressure-relieved operating fluid of a gas turbine is utilized to produce steam for a steam turbine, includes the steps of preheating condensate flowing in a water-steam loop of the steam turbine; returning a first quantitative fraction of the preheated condensate in a loop for further preheating; and evaporating a second quantitative fraction of the preheated condensate; and a device for performing the foregoing method.

REFERENCES:
patent: 4501233 (1985-02-01), Kusaka
patent: 4799461 (1989-01-01), Shigenaka et al.
patent: 4841722 (1989-06-01), Bjorge

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