Apparatus for processing waste paper

D - Textiles – Paper – 21 – D

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D21D 5/04 (2006.01) D21B 1/32 (2006.01) D21B 1/34 (2006.01)

Patent

CA 1120758

6565 INVENTORS: WOLFGANG HEINBOCKEL, WOLFGANG SIEWERT, CAN ALBRECHT KAHMANN and GERHARD LAMBRECHT INVENTION: APPARATUS FOR PROCESSING WASTE PAPER ABSTRACT OF THE DISCLOSURE An installation for processing waste paper con taining a stock pulper or slusher equipped with a rotor and two sieves or screens having different size holes or openings. By means of the sieve having the larger size openings there is conducted the obtained stock suspension through a primary line system which, for instance, leads to a papermaking mach- ine. Cooperating with the sieve having the larger size open- ings or holes is an auxiliary circulation circuit containing a device for the removal of contaminants or rejects. There is preferably arranged at the auxiliary circulation circuit or system a separator for heavy contaminants or rejects, a pump, a secondary-stock pulper or fiberizer and a sieve or filtering device.

349729

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