Method and apparatus for beating fibre slurries

Details Method and apparatus for beating fibre slurries Method and apparatus for beating fibre slurries

1979-07-20

1981-05-26

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Wood and similar natural-fibrous vegetable material

241261, 2412612, B02C 704

Patent

active

042693624

ABSTRACT:
A method of beating fibre slurries, such as paper pulp, and lump-goods, such as wood-chips and shavings. The good are subjected to repeated, rapid pressure pulsations and working moments of short duration. This is obtained by causing the hydraulic pressure to increase during a compression phase with increasing internal frictional co-action between individual fibres, whereafter said hydraulic pressure is caused to fall momentarily during a following expansion phase.

REFERENCES:
patent: 2226429 (1940-12-01), Hall
patent: 2306857 (1942-12-01), Behnsen
patent: 2988290 (1961-06-01), Merges

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