Method and apparatus for burning combustible waste materials

Details Method and apparatus for burning combustible waste materials Method and apparatus for burning combustible waste materials

1985-11-27

1987-02-03

Favors, Edward G.

Furnaces

Process

Incinerating refuse

110246, 110345, 16510415, 16510418, F23G 500

Patent

active

046402039

ABSTRACT:
A method and apparatus for burning combustible waste materials such as municipal and other refuse, utilizing combustion of the waste materials in a rotary tubular kiln at temperatures above 1200.degree. C., using combustion air in the temperature range between 300.degree. and 800.degree. C. with a small air excess and a reduced quantity of flue gas. The invention further includes heat transfer from the hot flue gas into the combustion air by means of a heat exchanging solid, whereby the solid is heated in contact with the flue gas and subsequently is cooled in contact with air. This air is heated to combustion air temperature and is conducted to the firing of the rotary kiln. The solid may also simultaneously bond noxious substances in the flue gas.

REFERENCES:
patent: 1101925 (1914-06-01), Harris
patent: 2795213 (1957-06-01), Cooper
patent: 3831668 (1974-08-01), Weissenburg
patent: 4232614 (1980-11-01), Fitch et al.
patent: 4245571 (1981-01-01), Przewalski
patent: 4359006 (1982-11-01), Have
patent: 4463686 (1984-08-01), Premel

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