Air classification apparatus

Details Air classification apparatus Air classification apparatus

1975-05-22

1976-07-20

Lutter, Frank W.

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

209147, 209152, 302 50, B07B 406

Patent

active

039705471

ABSTRACT:
A rotary drum air classifier system which includes a side feed hopper by which mixed materials to be separated are fed to a screw feed which deposits the materials inside the drum for major separation into light and heavy materials, the screw feed being longitudinally adjustable and including air injection means for fluidizing the mixed materials as they are being transported to the drum and thus accomplishing a preliminary stage of air classification during the time the mixed materials are transiting the length of the feed screw.

REFERENCES:
patent: 1186874 (1916-06-01), Baer
patent: 1258911 (1918-03-01), Kinyon
patent: 1350419 (1920-08-01), Morrison
patent: 1981318 (1934-11-01), James
patent: 3004799 (1961-10-01), Tikal
patent: 3232297 (1966-02-01), Gamberini
patent: 3508646 (1970-04-01), Conrad et al.
patent: 3804249 (1974-04-01), Gibbons et al.

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