WASTE COMBUSTION BASED POWER GENERATION METHOD AND SYSTEM

PROBLEM TO BE SOLVED: To provide a waste combustion based power generation method and system which enable self-heat melting of waste to maximize the quantity of power for sale, without an electric type ash melting system that tends to consume a larger amount of power for the melting treatment of com...

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Bibliographische Detailangaben
Hauptverfasser:	HIROSE TETSUHISA, OSHITA TAKAHIRO, HIRAMOTO TSUTOMU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES DISPOSAL OF SOLID WASTE ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS RECLAMATION OF CONTAMINED SOIL SOIL STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION SUPERHEATING OF STEAM TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a waste combustion based power generation method and system which enable self-heat melting of waste to maximize the quantity of power for sale, without an electric type ash melting system that tends to consume a larger amount of power for the melting treatment of combustion ash, in view of the maximization of the quantity of power for sale in the power generation by waste combustion. SOLUTION: In a high combustion load operation, a gas is heated by a heat exchanger 23 using a high temperature combustion waste gas by the combustion of waste in a melting furnace 22 and with the heated gas as a heat source, superheated steam is raised in temperature by a heater 25 and the higher temperature superheated steam is supplied to a steam turbine to generate power with a power generator 26 driven by the steam turbine. In a low combustion load operation, the whole or a part of the gas heated by the heat exchanger 23 is made to bypass the heater 25 and directly supplied to the melting furnace 22 to maintain the high temperature combustion of the melting furnace 22 and the conversion to melted slags.