Method and means for dry cooling bulk materials

Details Method and means for dry cooling bulk materials Method and means for dry cooling bulk materials

1976-05-17

1977-07-26

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 75, 34 77, 432 77, F26B 700, F26B 2106

Patent

active

040373304

ABSTRACT:
The invention disclosed is addressed to a method and means of dry cooling bluk material within a closed system in which said material is usually supplied intermittently to a cooling station. The method comprises directing a substantially continuous stream of cooling gas through the bulk material to thereby cool it and at the same time heat the stream of cooling gas. The heated stream of cooling gas is removed from the bulk material and directed through a mixing zone where it is mixed with a stream of cold cooling gas. Preferably, the hot mixed gas is cleaned and thereafter cooled by passage through a heat exchanger means. A selected portion of the cold cooling gas is diverted from the main stream to the mixing zone for mixing with the heated stream from the bulk material. The nondiverted portion of the cold cooling gas is directed to and through the bulk material.

REFERENCES:
patent: 3837792 (1974-09-01), Deussner
patent: 3959084 (1976-05-01), Price

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