Patent ID: 6293087
Filing Date: 2001-09-25
Classification: F01K

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 being connected to said pressurized fluidized bed boiler and having an inlet side;a gas turbine being connected to said dust collecting device and being driven by exhaust gas supplied through the dust collecting device from said fluidized bed boiler and air;a compressor for supplying the air for driving the gas turbine and for combusting with the fuel in the pressurized fluidized bed boiler;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 is extracted from the steam turbine and is supplied to the inlet side of the dust collecting device.