COMBINED CYCLE POWER PLANT

The invention relates a combined cycle power plant with a gas turbine (4), a shaft (30) connecting a compressor (1) to a turbine (3), and a first generator (22), a heat recovery steam generator (20) fluidly connected to the exhaust of the gas turbine (4), The heat recovery steam generator (20) has a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RUCHTI, Christoph, SELBY, Glenn T, ARNOLD, Raimond
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METHODS OF STEAM GENERATION STEAM ACCUMULATORS STEAM BOILERS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION SUPERHEATING OF STEAM WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates a combined cycle power plant with a gas turbine (4), a shaft (30) connecting a compressor (1) to a turbine (3), and a first generator (22), a heat recovery steam generator (20) fluidly connected to the exhaust of the gas turbine (4), The heat recovery steam generator (20) has at least one top suspended bundle (35) with an upper manifold (24), which is connected to a supporting structure of the heat recovery boiler by a bundle suspension (28), a lower manifold (25, 26), and vertically arranged heat exchange pipes. To minimize the length of the hot steam pipes a high pressure life steam pipe is connecting the final lower superheat manifold (25) to the high pressure steam turbine (6), and/or a medium pressure hot reheat steam pipe (11) connecting the final lower reheat manifold (26) to the medium pressure steam turbine (7). Besides the power plant a method to operate such a plant is disclosed.