Method and device for the manufacture of mechanical pulp

Details Method and device for the manufacture of mechanical pulp Method and device for the manufacture of mechanical pulp

1982-09-29

1984-05-01

Chin, Peter

Paper making and fiber liberation

Apparatus

With beating, refining, and/or disintegrating means

241 41, 241 42, 241151, 241152A, 241280, 241281, D21B 114

Patent

active

044459734

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

REFERENCES:
patent: 3125306 (1964-03-01), Kollberg et al.
patent: 4283252 (1981-08-01), Reinhall

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