Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force
Patent
1982-03-02
1984-06-19
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With apparatus using centrifugal force
34168, 55447, F26B 1710
Patent
active
044546610
ABSTRACT:
Tornado flow separator for the thermal treatment of fine-grain or granular material with at least one gaseous medium, including a cylindrical reaction chamber having a surface, two ends and at least first, second and third treatment zones of substantially equal length through which the material passes after given dwelling time, tangential feeding means for the gaseous media being disposed in the surface of the reaction chamber in the treatment zones for setting the dwelling time of the material in the third treatment zone to be at least twice as long as the dwelling time in each of the first and second treatment zones, at least one inclined tangential material feed disposed in vicinity of one of the ends of the reaction chamber, at least one outlet for treatment material disposed in vicinity of the others of the ends of the reaction chamber, and an exhaust pipe for at least one of excess and spent gaseous media being axially extended into the reaction chamber from along side the material outlet and having a free opening in vicinity of the third treatment zone.
REFERENCES:
patent: 3600817 (1971-08-01), Klein
patent: 3768172 (1973-10-01), Klein et al.
patent: 3851404 (1974-12-01), Fracke et al.
Klein Heinrich
Pieper Rudolf
Weber Eduard
Greenberg Laurence A.
Kraftwerk Union Aktiengesellschaft
Lerner Herbert L.
Schwartz Larry I.
Westphal David W.
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