| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluidized bed combined power generation system prevented from the degradation of generating performance by preventing the corrosion of structural equipment such as an expander of a gas turbine and the deposition of soot and dust thereon, eliminating the need for replacing components and having improved generating efficiency by reducing the quantity of heat to be exhausted to the outside of a system. SOLUTION: The fluidized bed combined power generation system comprises a combination of a fluidized bed combustion boiler 1, the gas turbine using heat generated in the fluidized bed combustion boiler 1 as a heat source, a steam turbine 5 using at least one of heat exhausted from the gas turbine and the heat generated in the fluidized bed combustion boiler, as a heat source, and a compressor 3 for compressing at least operating fluid in the gas turbine, to generate power with the gas turbine and the steam turbine 5. The operating fluid in the expander 2 of the gas turbine is gas 24 only which is heated with combustion exhaust gas 30 from the fluidized bed combustion boiler 1 by a gas heater 11, without containing the combustion exhaust gas 30 from the fluidized bed combustion boiler 1. COPYRIGHT: (C)2007,JPO&INPIT
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