Patent ID: 6212872
Filing Date: 2001-04-10
Classification: F01K,Y02E

Abstract:
A pressurized fluidized bed combined electricity generation system comprising:a steam turbine;a pressurized fluidized bed boiler for generating steam for supply to said steam turbine via a main steam pipe system by combusting air and fuel;a dust collecting device connected to said pressurized fluidized bed boiler;a gas turbine connected to said dust collecting device via a secondary pipe system and driven by exhaust gas supplied through the dust collecting device from said pressurized fluidized bed boiler and air from a compressor;a reheating steam pipe system connected between the pressurized fluidized bed boiler and the steam turbine; anda steam extraction pipe system wherein a part of the steam generated by said pressurized fluidized bed boiler is extracted from the reheating steam pipe system and is supplied to said gas turbine via the secondary pipe system;wherein steam supplied to said gas turbine is mixed with said exhaust gas.