Centrifugal pulp screen

Details Centrifugal pulp screen Centrifugal pulp screen

1990-11-15

1991-10-22

Cintins, Ivars

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

209273, 209397, 210498, B07B 120

Patent

active

050593242

ABSTRACT:
A cylindrical screen member of a centrifugal pulp screen used in paper manufacturing is disclosed. The pulp is agitated and impelled to pass through a plurality of parallel radial through-holes of the screen member by the centrifugal force imparted by a rotor. Each through-hole of the screen member has a cross-section elongated in a direction transverse to a horizontal line and inclined at an angle with respect to a vertical line. The pulp particles can linearly pass through the through-holes and flow out through the screen member smoothly. Therefore, the likelihood of blockage is reduced, and the power necessary to drive the rotor is economized.

REFERENCES:
patent: 3713541 (1973-01-01), Nelson
patent: 4717471 (1988-01-01), Winkler
patent: 4776957 (1988-10-01), Lampenius et al.

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