FUEL GASIFICATION SYSTEM

摘要

An integrated gasifying furnace comprising a gasifying room (1) for gasifying a fluidized medium inside an interface-carrying fluidized bed, a char combustion room (2) for burning char generated by the gasification in the gasifying room and heating the fluidized medium inside a similar-interface-carrying fluidized bed and an energy recovery device (3), wherein (1) and (2) are constructed integrally and partitioned by a partition wall at a portion vertically above the interface of the fluidized bed and an opening for communication between (1) and (2) is provided at the lower portion of the partition wall, whereby the fluidized medium heated in (2) is moved from (2) to (1) through the opening. The above arrangement eliminates the need of any special pressure balance control or mechanical fluidized medium handling means between the gasifying room and the char combustion room, ensures a stable supply of a product gas of excellent quality, and provides a fuel gasification that allows a high efficiency power recovery. Even when a combustible waste containing chlorine is used as a fuel, a high efficiency power generation with a minimum corrosion of a steam superheater (pipe) can be achieved.