Apparatus for heat treating fine-grain material

Details Apparatus for heat treating fine-grain material Apparatus for heat treating fine-grain material

1980-09-30

1982-04-06

Camby, John J.

Heating

Tumbler-type rotary - drum furnace

Having combustion products generated in or fed to drum

432117, F27B 702

Patent

active

043233449

ABSTRACT:
Apparatus for heat treating fine-grain material, in particular in the production of cement, having a kiln from which waste gases are directed by a fan to a preheater for such material and then to dedusters via a main conduit and a bypass conduit. Between one of the dedusters and the pressure side of the fan extends a connecting conduit. Kiln gases selectively may be admitted to or blocked from the connecting conduit when desired.

REFERENCES:
patent: 4120645 (1978-10-01), Heian et al.
patent: 4201546 (1980-05-01), Herchenbach et al.

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