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

D - Textiles, Paper

21

B

92/55

D21B 1/00 (2006.01) D21B 1/22 (2006.01)

Patent

CA 1152370

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 which revolves about a central axle perpendicu- lar 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 on one or both end faces of the grinding disc. The disc is enclosed in a sealed, pressurized housing.

362048

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