Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Patent
1988-06-22
1990-03-13
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
60 3929, 60 395, F02C 618, F02C 918
Patent
active
049074067
ABSTRACT:
A combined gas turbine plant comprises an air compressor, a combustor including a combustion chamber, a gas turbine, a steam turbine, and an exhaust heat recovery device having a denitration device and arranged at a location through which an exhaust gas passage for leading exhaust gas from the gas turbine to the atmosphere extends. An air extraction pipe equipped with a valve is provided for extracting a part of the air from the air compressor to prevent surging of the air compressor during starting of the plant, and another air extraction pipe equipped with a valve is provided for extracting a part of the air from an air passage extending from the compressor to the combustion chamber to improve stability of a flame and combustibility in the combustion chamber during the plant starting. The extraction pipes extend to and hence lead the extracted air into a portion of the exhaust gas passage located downstream of the denitration device.
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Arai Osamu
Hirose Fumiyuki
Iizuka Nobuyuki
Kirikami Seiichi
Sato Isao
Casaregola Louis J.
Hitachi , Ltd.
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