Classifying unit for fibrous suspensions

Details Classifying unit for fibrous suspensions Classifying unit for fibrous suspensions

1975-02-28

1976-06-22

Lutter, Frank W.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Aqueous suspension and sifting

209273, 209306, B03B 700

Patent

active

039649962

ABSTRACT:
A classifying apparatus is disclosed for use in separation of different portions of fibrious suspensions such as waste papers stock coming from a pulper. The apparatus is a unit comprising a vortex cleaner combined with a pressure screen. It includes a cylindric rotor whose circumferential portion carries agitating rods for the screen, the bottom of the rotor being provided with means for intensifying the motion of the stock fed into the vortex cleaner portion of the apparatus. The cylindric rotor defines a comparatively narrow gap between the rotor and the screen cage.

REFERENCES:
patent: 3255883 (1966-06-01), Nelson et al.
patent: 3276583 (1966-10-01), Carr
patent: 3363759 (1968-01-01), Clarke-Pounder
patent: 3458038 (1969-07-01), Young
patent: 3558484 (1971-01-01), Carr
patent: 3612276 (1971-10-01), Lowe
patent: 3859206 (1975-01-01), Baggaley

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