Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Patent
1996-02-16
1997-11-18
Freay, Charles G.
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
60 3917, 60 39181, F02C 600, F02C 106
Patent
active
056875592
ABSTRACT:
A hydrogen-combustion gas turbine plant includes a first system for using inert gas as a working fluid, and a second system for using steam as a working fluid. The first system includes a compressor on a turbine shaft, a first heat exchanger, and a second heat exchanger. The first heat exchanger heats gas compressed by the compressor and supplies the compressed gas to a high pressure intake of a second turbine. The second heat exchanger cools gas exhausted from the second turbine and supplies the cooled gas to a low pressure intake of the compressor. The second system includes the first heat exchanger and the second heat exchanger. The first heat exchanger uses heat generated by combustion of a gas mixture including hydrogen and oxygen to heat the inert gas, and supplies steam resulting from the combustion to a high pressure intake of a first turbine. The second heat exchanger uses heat from the inert gas of the first system to heat steam exhausted from a low temperature outlet of the first turbine, and passes the heated steam to a third turbine.
REFERENCES:
patent: 2717491 (1955-09-01), Barr
patent: 4166362 (1979-09-01), Laurent
patent: 5267288 (1993-11-01), Frutschi et al
W. Peschka, Hydrogen Combustion in Tomorrow's Energy Technology, Int. J. Hydrogen Energy, vol. 12, No. 7, (1987), pp. 1019-1036.
S. Kan et al., Reheat Gas Turbine with Hydrogen Combustion Between Blade Rows, 1983 Tokyo International Gas Turbine Congress, pp. 205-212.
K. Hiraoka et al., Thermodynamic Performance of an Internal Reheat Gas Turbine (IRGT) with Hydrogen Combustion, Report of Ship Research Institute vol. 24, No. 3, (1987), pp. 219-238.
Jericha et al., "Towards a Solar-Hydrogen System", ASME COGEN-TURBO, IGTI-vol. 6, (1991).
Freay Charles G.
Kabushiki Kaisha Toshiba
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