System for recovering waste heat

Details System for recovering waste heat System for recovering waste heat

1993-12-22

1994-10-25

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60736, F02C 618, F02C 7224

Patent

active

053577469

ABSTRACT:
An improved system for recovering waste heat from a combustion turbine in a combined cycle power plant of the type that includes at least one combustion turbine and at least one steam turbine includes a first heat recovery system for heating condensate in the steam turbine cycle with heat from the hot exhaust gases from the combustion-type turbine, and a second heat recovery system for heating the fuel that is used in the combustion turbine with heat from the exhaust gases. The second system permits recovery of heat energy that is not recovered by the first system, thereby improving plant efficiency.

REFERENCES:
patent: 4099374 (1978-07-01), Foster-Pegg
patent: 4720968 (1988-01-01), Knizia
patent: 4785622 (1988-11-01), Plumley et al.
patent: 4932204 (1990-06-01), Pavel et al.
patent: 4961311 (1990-10-01), Pavel et al.

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