B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/96, 182/98
B01D 25/28 (2006.01) B01D 24/00 (2006.01) B01D 25/22 (2006.01)
Patent
CA 2012832
A liquid filtration system is provided which includes a traveling bridge device mounting and backwash means for successively cleaning each of a plurality of filter cells formed in a filtration tank. Both surface wash and backwash means are included in a single hood structure adapted to sealingly engage each filter cell, successively, as the traveling bridge carriage traverses the tank. The surface wash means includes a surface wash conduit for supplying liquid under pressure to the upper surface layer of each cell. The backwash means includes a backwash conduit for creating suction within each filter cell.
Système de filtration des liquides comportant une monture pour pont roulant et un élément de lavage à contre-courant pour nettoyer successivement chaque cellule de filtre formée dans un réservoir de filtration. Les éléments de lavage en surface et de lavage à contre-courant sont inclus dans une seule structure en forme de cloche conçue pour engager de façon étanche chaque cellule de filtre, l'une après l'autre, au fur et à mesure que le chariot du pont roulant traverse le réservoir. L'élément de lavage en surface comprend un conduit pour fournir du liquide sous pression sur la couche de surface supérieure de chaque cellule. L'élément de lavage à contre-courant comporte un conduit créant une succion à l'intérieur de chaque cellule de filtre.
Mccarthy Tetrault Llp
United States Filter Corporation
LandOfFree
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