Fuel heating system used in conjunction with steam cooled combus

Details Fuel heating system used in conjunction with steam cooled combus Fuel heating system used in conjunction with steam cooled combus

1996-04-23

1998-10-27

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60 3975, F02C 7224

Patent

active

058264302

ABSTRACT:
A system is disclosed that provides for a more efficient combined cycle turbine system by using heated coolant returning from the gas turbine engine to pre-heat fuel before that fuel is injected into the combustor. Coolant, such as steam, that is used to cool gas turbine combustors and/or transitions carries high grade heat energy that was removed from the top cycle. By returning the heat energy to the incoming fuel, energy is recovered at a more efficient rate than would result from recovering that heat energy in the bottom cycle.

REFERENCES:
patent: 2770097 (1956-11-01), Walker
patent: 3038308 (1962-06-01), Fuller
patent: 5255505 (1993-10-01), Cloyd
patent: 5491971 (1996-02-01), Tomlinson et al.

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