HEAT RECOVERY STEAM GENERATOR AND METHODS OF COUPLING SAME TO A COMBINED CYCLE POWER PLANT

A heat recovery steam generator uses heat energy extracted from the exhaust gas of a gas turbine to produce steam. The steam is provided to steam turbines of a combined cycle power plant. Intermediate pressure steam generated by an intermediate pressure evaporator is routed to first and second inter...

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Bibliographische Detailangaben
Hauptverfasser:	MUNDRA KAMLESH, RAJA HIMANSHU, SHOLES JOHN, M VIVEKANANDHAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED OPERATIONS ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A heat recovery steam generator uses heat energy extracted from the exhaust gas of a gas turbine to produce steam. The steam is provided to steam turbines of a combined cycle power plant. Intermediate pressure steam generated by an intermediate pressure evaporator is routed to first and second intermediate pressure superheaters. Also, steam exhausted from a high pressure steam turbine of a combined cycle power plant is reheated by first and second reheaters within the heat recovery steam generator. The steam output by the intermediate pressure superheaters is provided to an interstage admission port of an intermediate pressure steam turbine, and steam output by the first and second reheaters is provided as the main input steam for the intermediate pressure steam turbine of the combined cycle power plant.