Method and apparatus for the thermal treatment of a batch of raw

Details Method and apparatus for the thermal treatment of a batch of raw Method and apparatus for the thermal treatment of a batch of raw

1986-02-20

1987-08-04

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

432105, 432112, 432113, 432117, 65 27, F27B 736

Patent

active

046843426

ABSTRACT:
An apparatus for the thermal treatment of a batch of raw material has a casing and a drum rotatably mounted in the casing, the drum being made of good thermally conductive material and being substantially closed off from the open atmosphere. A drive is provided for rotating the drum and a feeder can introduce a bath of raw material into the drum and a device is provided for discharging a said batch which has been heated in the drum. A conduit conveys hot gases in heat exchange relationship with the drum.

REFERENCES:
patent: 1938832 (1933-12-01), Hougen et al.
patent: 1995948 (1935-03-01), Shafter et al.
patent: 2869849 (1959-01-01), Folliot et al.
patent: 3407511 (1968-10-01), Camm
patent: 4146975 (1979-04-01), Duhem
patent: 4376343 (1983-03-01), White et al.
patent: 4398826 (1983-08-01), Mendenhall
patent: 4427376 (1984-01-01), Etnyre et al.
patent: 4519814 (1985-05-01), Demarest et al.

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