COMBINED POWER GENERATION METHOD

Japanese Patent JPH01117904

A

PURPOSE:To minimize the rise-up period from the partial load to the rated load by connecting a gas turbine and a waste heat recovery boiler between a plurality of axles and leading part of exhaust gas of a gas turbine into the waste heat recovery boiler connected to a different axle. CONSTITUTION:When a primary axle is operated, the inlet guide vane 1 of a primary axle is maintained at a specified angle and each of an exhaust damper 6, a gas turbine outlet damper 3 and a primary to secondary axle communication vane 5 is closed completely. On the other hand, before the secondary axle is operated, a gas turbine outlet damper 4 at the side of the secondary axle is closed completely and the communication vane 5 is opened gradually. When the secondary axle is operated, an exhaust damper 7 at the side of the secondary axle is opened completely and the gas turbine 9 is started. Then the communication vane 5 is closed completely, the gas turbine outlet damper 4 is opened and the exhaust damper 7 is closed completely.

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UEMATSU MASAYUKI

JP27305787A

May 10, 1989

October 30, 1987

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HITACHI LTD
HITACHI ENG CO LTD

F01K23/10; (IPC1-7): F01K23/10

Katsuo Ogawa (2 outside)

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