System for feeding a suspension to a pressurized vessel

Details System for feeding a suspension to a pressurized vessel System for feeding a suspension to a pressurized vessel

D - Textiles, Paper

21

C

D21C 7/06 (2006.01) B01J 3/02 (2006.01) F04D 5/00 (2006.01) F04D 7/00 (2006.01)

Patent

CA 2250490

System for feeding a suspension, preferably a suspension of chips in a liquid carrier, to a pressurized vessel in a cellulose pulp mill, which system comprises at least one pump (25, 26) between a low-pressure part and the pressurized vessel for driving the suspension from the low-pressure part into the vessel, which pump is of the type which comprises a number of parallel discs (40, 42) which are held together to form a stack (39) and rotate in a pump chamber (36) in a pump housing about a common axis of rotation, with the spaces (46) between the discs being greater than the particles in the suspension, and with an axial inlet and a tangential outlet for the suspension. The invention also includes a pump and an apparatus unit which are intended to form part of the system.

Système qui permet d'alimenter en suspension une cuve sous pression faisant partie d'une usine de pâte de cellulose, de préférence en suspension de copeaux dans un milieu liquide; le système comprend au moins une pompe (25, 26), placée entre la partie en dépression et la cuve sous pression et assurant le transfert de la suspension entre la partie en dépression et la cuve; cette pompe comprend un certain nombre de disques parallèles (40, 42) formant une pile (39) et tournant autour d'un axe de rotation commun dans le compartiment de la pompe (36), à l'intérieur du boîtier de la pompe; les interstices (46) entre les disques sont plus larges que les particules de la suspension; une entrée axiale et une sortie tangentielle pour la suspension sont prévues. En outre, l'invention inclut une pompe et une unité d'appareils, conçues en tant que partie intégrante du système.

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