Combined cycle power plant with a once through steam generator

Details Combined cycle power plant with a once through steam generator Combined cycle power plant with a once through steam generator

1998-07-21

2000-08-29

Kamen, Noah P.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60646, 60657, F02C 100

Patent

active

061090204

ABSTRACT:
In a combined cycle power plant with a gas turbine circuit and a steam turbine circuit, the exhaust gases from a gas turbine (4) transfer their residual heat to a steam turbine (9, 10) via the working medium flowing in a once through steam generator (7). The deaeration of the working medium is carried out in the hot well (12) of the steam turbine condenser (11), the deaerated working medium is introduced directly from the hot well of the condenser via a feed pump (14, 20) into the preheating surfaces (15, 21) of the once through steam generator, and a separating bottle (25) for the blowdown of impurities is arranged between the evaporation surfaces (16, 22) and the superheating surfaces (19, 23).

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