Furnaces – Process – Incinerating refuse
Patent
1986-03-27
1987-04-21
Favors, Edward G.
Furnaces
Process
Incinerating refuse
110210, 110214, 110246, 431 5, F23G 500
Patent
active
046587365
ABSTRACT:
Garbage and other incinerable waste is treated with hot air and steam in a rotary furnace, under conditions inhibiting free and complete combustion, so as to produce a gaseous phase and a solid phase consisting of non-combustible solids. The gaseous phase is mixed with excess air and recirculated combustion gases and passed to a cyclone chamber in which further combustion takes place at a temperature controlled so as to destroy toxic organic compounds and to melt solids such as glass but insufficient to promote excessive nitrogen oxide formation. The gases are then passed through a ceramic heat exchanger, tempered with ambient air to cause any residual molten glass still entrained in the gases to solidify, and passed through a second heat exchanger, clean compressed air being passed through the second and then the first heat exchanger so as to raise its temperature sufficiently to drive a gas turbine.
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patent: 4037543 (1977-07-01), Angelo
patent: 4232614 (1980-11-01), Fitch et al.
patent: 4245571 (1981-01-01), Przewalski
patent: 4273619 (1981-06-01), Angelo
patent: 4361100 (1982-11-01), Hinger
patent: 4395958 (1983-08-01), Caffym et al.
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