Gas turbine inlet air cooling method for combined cycle power pl

Details Gas turbine inlet air cooling method for combined cycle power pl Gas turbine inlet air cooling method for combined cycle power pl

1998-04-20

2000-05-09

Kamen, Noah P.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60649, 60673, 60728, F02C 600

Patent

active

060586958

ABSTRACT:
In a combined cycle power system having a gas turbine and one or more bottoming cycle expansion turbines for driving one or more generators, compressor inlet air to the gas turbine is cooled. An extraction is taken from the distillation condensation sub-system of the Kalina cycle and throttled to a lower pressure, with a corresponding temperature drop for supply to a low pressure evaporator in heat exchange relation with ambient air flowing to the compressor inlet to cool the ambient air. The partially evaporated multi-component mixture exiting the low pressure evaporator is returned to the spent vapor stream from the low pressure expansion turbine for combination therewith and condensation. Consequently, compressor inlet air inlet to the gas turbine is cooled, thereby increasing mass flow and turbine output.

REFERENCES:
patent: 5095708 (1992-03-01), Kalina
patent: 5555738 (1996-09-01), DeVault

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