COMBINED CYCLE POWER PLANTS WITH EXHAUST GAS RECIRCULATION INTERCOOLING

A combined cycle power plant includes a gas turbine engine that includes a compressor having a compressor inlet, a compressor outlet, and an interstage inlet defined therebetween. The turbine also includes a turbine outlet configured to discharge a first exhaust gas stream therefrom. A heat recovery...

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Bibliographische Detailangaben
1. Verfasser:	Smith, Raub Warfield
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A combined cycle power plant includes a gas turbine engine that includes a compressor having a compressor inlet, a compressor outlet, and an interstage inlet defined therebetween. The turbine also includes a turbine outlet configured to discharge a first exhaust gas stream therefrom. A heat recovery steam generator is configured to receive the first exhaust gas stream, extract heat from the first exhaust gas stream, and discharge a second exhaust gas stream therefrom. Either a recirculation compressor pressurizes a first portion of the second exhaust gas stream for recirculation towards the compressor interstage inlet, or an admission compressor pressurizes an air stream directed towards the compressor interstage inlet. A first cooler cools the stream directed to the compressor, thereby defining a cooled stream, wherein the first cooler provides the cooled stream to the interstage inlet of the compressor.