B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 33/21 (2006.01)
Patent
CA 2510449
The invention relates to a filter device for separating undissolved substances from liquids, especially in the fields of waste water purification and water treatment. Said filter device is rotatably arranged in a container (2) and surrounded by the liquid to be filtered. The inventive filter device (1) consists of a plurality of interspaced filter elements (6) which are assembled to form a rotating filter. The filtrate is drawn off at the periphery of the filter elements (6). The aim of the invention is to prevent solids from adhering to the filters during the filter process. To this end, the rotating filter has a central cavity containing a ventilation device (8) about which the filter device rotates. The filters are continuously cleaned during the filter process by the air-liquid mixture flowing through.
L'invention concerne un dispositif de filtrage servant à séparer des substances non dissoutes de liquides, notamment dans le domaine de l'épuration des eaux usées et du traitement de l'eau. Le dispositif de filtrage (1) selon l'invention est logé rotatif dans un contenant (2) et est entouré par le liquide à filtrer. Il est constitué de plusieurs éléments filtrants (6), placés à distance les uns des autres et assemblés en un filtre rotatif. Le filtrat est évacué à la périphérie des éléments filtrants (6). L'invention vise à éviter que des matières solides n'adhèrent aux filtres lors du filtrage. A cet effet, le filtre rotatif présente en son centre une cavité qui contient un dispositif de ventilation (8) autour duquel tourne le dispositif de filtrage. Les filtres sont ainsi nettoyés en continu pendant le filtrage par le mélange air-liquide qui afflue.
Grigo Mark
Harms Eberhard
Freedman Gordon
Utisol Technologies Ag
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