Power plants – Combustion products used as motive fluid – With combustible gas generator
Patent
1995-10-23
1997-01-07
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
With combustible gas generator
60 3917, 60 39511, F02C 328
Patent
active
055905188
ABSTRACT:
A gas turbine driven powerplant in which a mixture of steam and a combustible effluent, such as methane, is reformed or partially oxidized to produce a hydrogen-rich fuel which is used to fuel both the primary combustor and a reheat combustor positioned upstream of the final turbine stage, such as the power turbine. Reheat combustion is effected by injecting the hydrogen-rich fuel through the cooling orifices of the first turbine upstream of the final turbine stage and into the gas turbine flow path from the trailing edge of the stationary vanes and/or rotating blades, where the fuel auto ignites with complete combustion occurring at a nominal distance after injection into the air stream. Further, the hydrogen-rich fuel can be used as a coolant for the final turbine stage to allow higher reheat temperatures to be achieved. This reheat design, which will simultaneously provide turbine cooling and supply a reheat fuel that will auto-ignite and burn cleanly, provides the efficiency benefits of reheat without significant or costly redesign of the final turbine stage, and without adding new equipment.
REFERENCES:
patent: 2407166 (1946-09-01), Kreitner et al.
patent: 2479777 (1949-08-01), Price
patent: 2625012 (1953-01-01), Larrecq
patent: 2633707 (1953-04-01), Hermitte et al.
patent: 2647368 (1953-08-01), Treibbnigg et al.
patent: 3166902 (1965-01-01), Maljanian et al.
patent: 3785145 (1974-01-01), Amann
patent: 3949548 (1976-04-01), Lockwood
patent: 3969892 (1976-07-01), Stettler
patent: 4182127 (1980-01-01), Johnson
patent: 4765142 (1988-08-01), Hakhamkin
patent: 4858428 (1989-08-01), Paul
patent: 4872307 (1989-10-01), Nakhamkin
patent: 4885912 (1989-12-01), Nakhamkin
patent: 5003766 (1991-04-01), Paul
patent: 5095693 (1992-03-01), Day
patent: 5133180 (1992-07-01), Horner
patent: 5161365 (1992-11-01), Wright
patent: 5313790 (1994-05-01), Barr
patent: 5347806 (1994-09-01), Nakhamkin
CEC; "Chemically Recuperated Gas Turbine . . . and Reheat" (1992) Gas Turbine World, p. 37.
The HAT Cycle; Electric Power Research Institute; undated.
"Increasing gas turbine efficiency through the use of a waste heat methanol reactor"; Janes, C. W. 1979, Amer. Chem. Society.
"Developments to watch, the next generation of powerplants"; Makansi, J.; Jun. 1990; Power Magazine-vol. 34, No. 6.
California Energy Commission
Casaregola Louis J.
O'Banion John P.
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