Air screw classifier

Classifying – separating – and assorting solids – Fluid suspension – Gaseous

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Details

209152, 209473, B07B 120, B07B 122, B07B 902

Patent

active

041070348

ABSTRACT:
An air classifier system for separating mixed materials and comprising the combination of a horizontal drum or tunnel having a feed screw therein at one end of which mixed materials are deposited for movement toward the discharge end of the drum, and means for directing a flow of air through the drum at relatively high velocity for entraining and removing light materials from the drum while permitting heavy materials to be independently moved out of the drum by the screw.

REFERENCES:
patent: 2069164 (1937-01-01), Vogel-Jorgensen
patent: 2212062 (1940-07-01), Duerr et al.
patent: 2238161 (1941-04-01), Drew et al.
patent: 2701060 (1955-02-01), Smith
patent: 3556498 (1971-01-01), Sheahan
patent: 3942455 (1976-03-01), Wallis

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