Filter module and process for the production of a filled...

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 25/26 (2006.01) B01D 37/02 (2006.01)

Patent

CA 2480278

A filter module (1) comprising filtering layers (4, 4a, 4b) composed of a filter medium is described, in which layers of first and second draining spacing elements (10, 20) alternate and the draining spacing elements show, in an alternating sequence with respect to the filtrate chambers and the non- filtrate chambers throughflow elements (11, 21) on one side and sealing elements (12, 22) on the other side. In order to improve filtration and to make it possible to fulfil additional aims with reference to filtration and treatment of the fluid, whilst retaining a solid construction, the filter module (1) is equipped with third spacing elements (30). Between two filtering layers (4, 4a, 4b), which are disposed between a first and second spacing element (10, 20), there is disposed at least one such third spacing element (30) which has sealing elements (31, 32) adjacent the filtrate chamber (3) and the non-filtrate chamber (2). A process for the production of a filter module that is at least partially filled with treating material is also described.

L'invention concerne un module de filtre (1) comprenant des couches de filtration (4, 4a, 4b) composées d'un milieu filtrant. Ce module comprend des couches alternées d'un premier et d'un second type d'élément (10, 20) d'espacement et de drainage, et ces éléments d'espacement et de drainage présentent, selon un ordre alterné relativement aux compartiments à filtrat et aux compartiments sans filtrat, des éléments d'écoulement (11, 21) sur un côté et des éléments d'étanchéité (12, 22) sur l'autre côté. Pour améliorer la filtration et permettre des options complémentaires en matière de filtration et de traitement du fluide tout en conservant une structure solide, le module de filtre (1) est équipé d'un troisième type d'éléments d'espacement (30). Au moins un de ces éléments d'espacement du troisième type, qui comportent des éléments d'étanchéité (31, 32) adjacents au compartiment à filtrat et au compartiment (2) sans filtrat, est disposé entre deux couches de filtration (4, 4a, 4b), elles-mêmes disposées entre un premier et un second élément (10, 20) d'espacement. L'invention concerne en outre un procédé permettant de produire un module de filtre qui est au moins partiellement rempli avec un matériau de traitement.

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