抄録
High Temperature Air Heater for Gasification and Ash-melting system was developed. This bayonett type heat exchanger with ceramics or heat-resistance cast alloy pipe elements is located at gas outlet of ash-melting furnace with exhaust gas temperature up to 1300℃. Supplied pre-heated air about 200〜250℃ will be heated to 700〜750℃ and can be used as heat source of superheating steam from 400℃ to 500℃ for high-efficiency power generation. Advantage of this "indirectly superheating system" is that it enables high-efficiency power generation in refuse incinerator without hot corrosion of superheater materials. In this report, results of heat and corrosion resistance test of the pipe element materials on the demonstration plant and summary of feasibility study on Gasification and Ash-melting system of municipal solid wastes with high-efficiency power generation system according the High Temperature Air Heater will be shown.
