Indirect-fired gas turbine bottomed with fuel cell

Details Indirect-fired gas turbine bottomed with fuel cell Indirect-fired gas turbine bottomed with fuel cell

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 1/04 (2006.01) F02C 1/05 (2006.01) F02C 6/18 (2006.01) H01M 8/00 (2006.01) H01M 8/04 (2006.01)

Patent

CA 2133809

INDIRECT-FIRED GAS TURBINE BOTTOMED WITH FUEL CELL ABSTRACT OF THE DISCLOSURE An indirect-heated gas turbine cycle is bottomed with a fuel cell cycle with the heated air discharged from the gas turbine being directly utilized at the cathode of the fuel cell for the electricity-producing electrochemical reaction occurring within the fuel cell. The hot cathode recycle gases provide a substantial portion of the heat required for the indirect heating of the compressed air used in the gas turbine cycle. A separate combustor provides the balance of the heat needed for the indirect heating of the compressed air used in the gas turbine cycle. Hot gases from the fuel cell are used in the combustor to reduce both the fuel requirements of the combustor and the NOx emissions therefrom. Residual heat remaining in the air-heating gases after completing the heating thereof is used in a steam turbine cycle or in an absorption refrigeration cycle. Some of the hot gases from the cathode can be diverted from the air-heating function and used in the absorption refrigeration cycle or in the steam cycle for steam generating purposes.

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