Method and device for manufacturing mechanical pulp

Details Method and device for manufacturing mechanical pulp Method and device for manufacturing mechanical pulp

1980-10-09

1983-02-08

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Mechanical defibration in the presence of heated gas or gas...

162 25, 162 26, 162 28, 241 28, D21B 104

Patent

active

043728103

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: 3808090 (1974-04-01), Logan et al.

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