Rotating element for a screening apparatus with a contour surfac

Details Rotating element for a screening apparatus with a contour surfac Rotating element for a screening apparatus with a contour surfac

1990-08-15

1992-09-15

Cintins, Ivars

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

209273, B01D 2962, B07B 120

Patent

active

051475430

ABSTRACT:
An apparatus for screening pulp comprises a vessel, a cylindrical screen within the vessel, a cylindrical rotor moving in the vicinity of the screen at a predetermined speed, an inlet for the unscreened pulp, an outlet for the screened pulp in the vessel. The rotor has a contour surface which is achieved by means of a plurality of protrusions of contoured shape on the surface of the rotor, for instance by welding. The protrusions are spaced and are arranged along the entire axial length of the rotor.

REFERENCES:
patent: 3586172 (1971-06-01), Young
patent: 4776957 (1988-10-01), Lampenius et al.
patent: 4950402 (1990-08-01), Frejborg

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