D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
D21D 5/24 (2006.01) B04C 5/24 (2006.01) D21D 5/00 (2006.01) D21F 1/66 (2006.01)
Patent
CA 2042366
In a process and a device, a cellulose suspension of thin consistency, the consistency and flow rate of which is known, is conducted to the suction side of a main pump (4), to the pressure side of which there are coupled in sequence a first multi-hydrocyclone unit (6) for cleaning out heavy impurities, a second multi-hydrocyclone unit (7) for cleaning out light impurities, and a headbox (8) for a wet machine or paper machine (9). This provides, on one hand, cleaning and pulp or paper production uninterrupted by intermediate storage, and on the other hand a thicken- ing of the pulp in the second multi-hydrocyclone unit from a suitable consistency for cleaning to a thicker consist- ency suitable for spreading on a wire or the like.
Ridout & Maybee Llp
Wikdahl Nils Anders Lennart
LandOfFree
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