Method and tunnel type furnace for calcining carbonaceous bodies

Details Method and tunnel type furnace for calcining carbonaceous bodies Method and tunnel type furnace for calcining carbonaceous bodies

1985-09-23

1987-06-23

Yuen, Henry C.

Heating

Processes of heating or heater operation

Treating an article, container, batch or body as a unit

432121, 432137, 432145, 432239, F27B 926

Patent

active

046749756

ABSTRACT:
The method comprises passing preformed bodies to be calcined, containing pyrolyzable substances, through a furnace having, arranged in succession, a first heating zone, a second or combustion zone wherein volatile substance released by said bodies are subjected to combustion, a third or calcining zone, and a fourth or cooling zone. Separation means between the first and second zones, and between the third and fourth zones, prevent the flue gases from flowing between such zones.

REFERENCES:
patent: 2983022 (1961-05-01), Dressler et al.
patent: 4128394 (1978-12-01), Naito et al.

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