Arrangement for feeding wood in a pulp grinder

Details Arrangement for feeding wood in a pulp grinder Arrangement for feeding wood in a pulp grinder

D - Textiles, Paper

21

B

D21B 1/26 (2006.01)

Patent

CA 2274978

An arrangement in a pulp grinder comprising a grindstone (1), a feed chute (2) extending to the grindstone, a piston (5) moving in the feed chute, an auxiliary piston (6) and closing members (7). In the arrangement, there are recesses on the front of the piston (5) and apertures in the auxiliary piston (6) so that the closing members (7) can be pushed from both sides of the feed chute (2) through the auxiliary piston to the recesses of the piston so that they settle behind the wood pressed by the piston.

Un dispositif contenu dans un défibreur à meule comprend une meule (1), un glissoir d'alimentation (2) allant jusqu'à la meule, un piston (5) se déplaçant dans le glissoir, un piston auxiliaire (6) et des éléments de fermeture (7). Le dispositif présente des creux à l'avant du piston (5) et des orifices dans le piston auxiliaire (6), de façon que les éléments de fermeture (7) puissent être poussés depuis les deux côtés du glissoir (2), par l'intermédiaire du piston auxiliaire, vers les creux du piston, et viennent se placer derrière le bois pressé par le piston.

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