Dual flow screening apparatus

Details Dual flow screening apparatus Dual flow screening apparatus

1981-05-07

1982-05-04

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Feeding and discharging

209273, 209306, 210415, B07B 120

Patent

active

043280960

ABSTRACT:
A pressurized screening device has an inlet arrangement by which a feed slurry is directed to a central portion of a screening chamber, a plurality of chevron-shaped rotor foils are mounted for rotation near the inner surface of a cylindrical screenplate to split the flow of the feed slurry into separate flow portions directed toward opposite ends of the screening chamber, and separate reject chambers are provided adjacent its opposite ends of its screening chamber. The chevron-shaped foil structure enables the screening device to operate as if it were two smaller screening devices and to remove efficiently both light and heavy impurities from the feed stock.

REFERENCES:
patent: 897144 (1908-08-01), Priem
patent: 1004453 (1911-09-01), Parker
patent: 1036318 (1912-08-01), Parker
patent: 1172239 (1910-02-01), Haug
patent: 1959210 (1934-05-01), Knight
patent: 2056310 (1936-10-01), Palmer
patent: 2855099 (1958-10-01), DeKoning
patent: 3275156 (1966-09-01), Valtanen
patent: 3363759 (1968-01-01), Clarke-Pounder
patent: 3373875 (1968-03-01), Krikorian
patent: 3713536 (1973-01-01), Hooper

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