Improved liquefied natural gas fueled combined cycle power plant

Details Improved liquefied natural gas fueled combined cycle power plant Improved liquefied natural gas fueled combined cycle power plant

1995-02-14

1995-10-17

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39182, 60 39465, 60728, F02C 618, F02C 7143

Patent

active

054579511

ABSTRACT:
A process and system which improves the capacity and efficiency of a combined cycle power plant. A LNG supply system fuels the combined cycle plant. Gasified LNG in a combustor mixes with the air from the air compressor to provide the hot combustion gas for the gas turbine. The expanding LNG is used to chill a primary heat exchange fluid, e.g. water, which primary heat exchange fluid cools and densifies the intake air for the air compressor. Subsequently, the primary heat exchange fluid is used to condense the spent steam discharged from the steam turbine. The primary heat exchange fluid is then re-chilled and recycled to cool and densify the intake air.

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Section 3.0 Description of the Project from the "Petition Before the Massachusetts Energy Facilities Council for Approval to Construct a Bulk Generating Facility Island End Cogeneration Project", dated Mar. 1991, prepared by Cabot Power Corporation et al. and submitted by Cabot Power Corporation.

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