Method of heat treating a material

Details Method of heat treating a material Method of heat treating a material

1979-10-16

1981-11-03

Camby, John J.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

159 48R, F27B 1500

Patent

active

042983398

ABSTRACT:
An improved method of heat treating a slurry material which has combustible and incombustible components includes burning the material in a fluidized bed, to devolatilize the water content and to produce a material which cannot be reslimed. Fine material elutriated from the bed is separated from the entraining gases and is recycled to the center axis of the bed such that upon rising through the bed they encounter and are doused by the incoming spray of slurry material. The fine material so introduced is at a temperature lower than that of the fluidized bed and thus can be used to control the bed temperature by varying the amount of fine material recyled.

REFERENCES:
patent: 2714126 (1955-07-01), Keith
patent: 2977105 (1961-03-01), Pyzel
patent: 3265775 (1966-08-01), Friedrich
patent: 3515381 (1970-06-01), Foch
patent: 4111158 (1978-09-01), Reh et al.

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