Configurations and methods for LNG fueled power plants

Details Configurations and methods for LNG fueled power plants Configurations and methods for LNG fueled power plants

2011-07-19

2011-07-19

Casaregola, Louis (Department: 3741)

Power plants

Combustion products used as motive fluid

Process

C060S039093, C060S728000

Reexamination Certificate

active

07980081

ABSTRACT:
Contemplated configurations and methods use first and second precoolers, preferably in alternating operation, to provide a combustion turbine with air at a temperature of 50° F., and more typically less than 32° F. and most typically less than 0° F. In such configurations and methods it is generally preferred that a heat transfer fluid circuit provides both, heated and cooled heat transfer fluid to thereby allow cooling and deicing of the precoolers. Most preferably, refrigeration is provided from an LNG regasification unit to form the cooled heat transfer fluid while heat from a power cycle (e.g., from surface condenser) is used to form the heated heat transfer fluid.

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