Screening apparatus for fiber suspensions

Details Screening apparatus for fiber suspensions Screening apparatus for fiber suspensions

1978-03-16

1980-02-12

Lutter, Frank W.

Classifying, separating, and assorting solids

Sifting

With liquid treatment

210415, 210512R, B07B 120

Patent

active

041882865

ABSTRACT:
A screening apparatus for fiber suspensions comprising a stationary cylindrical screen one side of which is in flow communication with the inlet for the fiber suspension and the other side, from which the accepted stock emerges, forming an annular space with a rotor comprising a cylindrical wall having elevations for producing positive and negative pressure thrusts serving to keep the screen clear and openings behind the projections through which some of the accepted stock passes to provide an alternative path to the outlet for the accepted stock.

REFERENCES:
patent: 3400820 (1968-09-01), Nelson
patent: 3677402 (1972-07-01), Holz
patent: 3933649 (1976-01-01), Ahlfors
patent: 3939065 (1976-02-01), Ahlfors

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