| 摘要 |
An apparatus for screening pulp comprises a vessel, a cylindrical screen (10) within the vessel, a rotating element (7) 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<o> - 60<o> with the first plane, the upper plane being parallel to the first plane. The rotating element may be a rotor or blade type segments. |
