Rotating element for a screening apparatus with a contour...

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

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Patent

CA 1275973

Abstract An apparatus for screening pulp comprises a vessel, a cylindri- cal screen within the vessel, a rotating element 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 rotating element has a contour surface with grooves formed of a first plane parallel to the envelope surface of the screen, an inclined plane, an upper plane and a side plane, the side plane being essentially perpendicular to the first plane, the inclined plane forming an angle between 30° - 60° with the first plane, the upper plane being parallel to the first plane. The rotating element may be a rotor or blade type segments.

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