Filtration apparatus

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 65/02 (2006.01) B01D 63/02 (2006.01) B01D 71/36 (2006.01) C02F 1/44 (2006.01) C02F 11/12 (2006.01)

Patent

CA 2655917

A filtration apparatus in which hollow fibers are immersed in a raw liquid to be treated which contains a suspended ingredient to cause the raw liquid to undergo solid/liquid separation and a treated liquid to permeate. It comprises: the hollow fibers which have been folded in two; a treated-liquid collection means communicatively connected to the open ends of the hollow fibers; a holding member which holds the folded parts on the other end side of the hollow fibers while leaving a space; and a gas ejection means for ejecting a cleaning gas toward the open ends from the other end side of the hollow fibers. The hollow fibers held by the holding member are at least partly spaced from the holding member and/or the hollow fibers are at least partly spaced from one another to thereby form spaces for passing the gas to be ejected from the gas ejection means.

L'invention concerne un appareil de filtration dans lequel des fibres creuses sont immergées dans un liquide brut qui doit être traité et qui contient un ingrédient en suspension, l'appareil de filtration amenant le liquide brut à subir une séparation solide/liquide et le liquide traité à le traverser. L'appareil comprend: les fibres creuses qui ont été pliées en deux, un moyen de collecte du liquide traité relié aux extrémités ouvertes des fibres creuses, un élément de maintien qui maintient les parties pliées sur les autres côtés externes des fibres creuses tout en laissant un espace libre, et un moyen d'éjection de gaz qui éjecte un gaz de nettoyage vers les extrémités ouvertes depuis le côté de l'autre extrémité des fibres creuses. Au moins certaines fibres creuses maintenues par le moyen de maintien sont partiellement espacées de l'élément de maintien et/ou au moins certaines fibres creuses sont partiellement espacées les unes des autres afin de former des espaces pour que le gaz éjecté par le moyen d'éjection de gaz puisse passer.

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