Circulating air classifier or separator

Details Circulating air classifier or separator Circulating air classifier or separator

1978-10-27

1980-07-08

Miles, Tim R.

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

209154, 209146, B04C 530

Patent

active

042116414

ABSTRACT:
Circulating air classifier having a separator chamber containing an impeller rotatable about a vertical axis, and a funnel-shaped pre-separator disposed underneath and in open communication with the separator chamber. A blower forces air through a conduit. Material to be classified is fed into the air through an inlet in the conduit. The feed material and air enter the upper part of the pre-separator tangentially causing pre-separation, i.e. some coarse matter to separate. The air with the remaining feed material passes upwardly into the separator chamber wherein aided by the impeller further separation of coarse matter takes place. The air with the suspended fine material passes out of the separator chamber into cyclones wherein the fine material is separated from the air. The thus cleansed air is recirculated to the suction side of the blower.

REFERENCES:
patent: 1504280 (1924-08-01), Stebbins
patent: 1912910 (1933-06-01), Neuman et al.
patent: 1962455 (1934-06-01), Montgomery
patent: 2616563 (1952-11-01), Hebb
patent: 2708033 (1955-05-01), Thomas
patent: 2968401 (1961-01-01), Sheldon
patent: 3095369 (1963-06-01), Jager
patent: 3535854 (1970-10-01), Taylor
patent: 3667600 (1972-06-01), Oi et al.

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