Apparatus for manfacturing mechanical pulp

Details Apparatus for manfacturing mechanical pulp Apparatus for manfacturing mechanical pulp

1982-09-29

1984-06-26

Chin, Peter

Paper making and fiber liberation

Apparatus

With beating, refining, and/or disintegrating means

241 42, 241151, 241152A, 241280, 241281, D21B 114

Patent

active

044565038

ABSTRACT:
A method and a device for the manufacture of mechanical pulp from lignocellulosic material by forcing the said material into contact with a grinding disc (1) which revolves about a central axle (2) perpendicular to the two end faces of the disc. The material is supplied in bulk, particulate form, preferably as wood chips, a large number of particles simultaneously being retained, compressed and, in the presence of water, forced into contact with one or more grinding areas (5) on one or both end faces of the grinding disc. The disc is enclosed in a sealed, pressurized housing (6).

REFERENCES:
patent: 4017356 (1977-04-01), Bystedt

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