Device and method for dilution of cellulose pulp

D - Textiles – Paper – 21 – C

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D21C 9/06 (2006.01) D21C 9/18 (2006.01)

Patent

CA 2716495

The invention relates to a device (1 ) and a method for di-lution of cellulose pulp of a consistency of between 20 and 45%, in which cellulose pulp is arranged to fall down in a pulp chute (3) under the addi-tion of dilution liquid, which dilution is performed to a consistency in the range of 6-18%, above a level (6) of established diluted pulp in the bot-tom of the pulp chute (3), A central distribution device with nozzles (11) for addition of dilution liquid to the falling pulp above the level (6) of es-tablished diluted pulp in the bottom of the pulp chute is arranged in the centre of the pulp chute, wherein the nozzles (11) of the distribution de-vice is fed with dilution liquid via a pipe (15) that is arranged at least partly through the pulp chute (3).

L'invention porte sur un dispositif (1) et sur un procédé pour la dilution de pâte de cellulose ayant une consistance se situant entre 20 et 45 %, dans lesquels de la pâte de cellulose est disposée de façon à tomber dans une goulotte de pâte (30) lors de l'addition d'un liquide de dilution, cette dilution étant effectuée jusqu'à une consistance dans la plage de 6 à 18 %, au-dessus d'un niveau (6) de pâte diluée établie en bas de la goulotte de pâte (3). Un dispositif de distribution central avec des buses (11) pour l'addition de liquide de dilution à la pâte tombée au-dessus du niveau (6) de pâte diluée établie en bas de la goulotte de pâte est disposé au centre de la goulotte de pâte, les buses (11) du dispositif de distribution étant alimentées en liquide de dilution par l'intermédiaire d'un tuyau (15) qui est disposé au moins partiellement à travers la goulotte de pâte (3).

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