System for combustion of wet waste materials

Details System for combustion of wet waste materials System for combustion of wet waste materials

1979-04-02

1980-08-05

Petrakes, John

Furnaces

With fuel treatment means

Preliminary refuse treatment means

110346, 432 48, F23G 504, F27B 922

Patent

active

042156378

ABSTRACT:
A system for drying and burning wet waste materials includes a multiple hearth furnace having an upper, drying zone and a lower, burning zone. Wet waste material is introduced into the upper, drying zone and dried with a stream of hot air, and the stream of air is then conveyed to a condenser to remove water. The stream of air from the condenser is then conveyed to the center column of the furnace wherein it is heated, and the hot air is then introduced into the lower, burning zone of the furnace to aid combustion. Hot gaseous products of combustion are conveyed from the burning zone to an afterburner, and the gases leaving the afterburner are transferred to a heat exchanger and then discharged. In the heat exchanger a stream of ambient air is heated, and the heated air is then conveyed to the upper, drying zone.

REFERENCES:
patent: 1840723 (1932-01-01), King
patent: 2181190 (1939-11-01), Lewers
patent: 3954069 (1976-05-01), Loken
patent: 3958920 (1976-05-01), Anderson
patent: 4050389 (1977-09-01), von Dreusche, Jr.

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