Floating porous hollow fiber membrane bundle

B - Operations – Transporting – 01 – D

Patent

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B01D 63/04 (2006.01)

Patent

CA 2598820

The invention discloses a kind of porous membrane filtration component for treating water, especially discloses a kind of floating porous hollow fiber membrane bundle for treating highly turbid waste water. The component includes some porous hollow fiber membrane yarns and cast headers arranged at both ends of respective yams, wherein the connections between the said cast headers and membrane filtration module are flexible connections, at at least one end of the flexible connection the cast header is connected to a hollow tube or cord, and the membrane bundle hangs on the said membrane filtration module, floating freely. The invention provides a floating porous hollow membrane bundle which can remove effectively the contaminants adhered to the surface of the membrane yarns, make its membrane yams difficult to rupture, have a longer service life, and produce water with steady quality. It solves the technical problems in the present hollow fiber filtration component which include membrane yams entangled with each other, easily ruptured, thus leading to the lower quality of the product water.

L~invention concerne un genre d~élément filtrant à membranes poreuses destiné au traitement de l~eau, plus particulièrement un genre de faisceau membranaire poreux à fibres creuses en suspension destiné au traitement des eaux usées à turbidité élevée. Cet élément se compose de quelques fils membranaires poreux à fibres creuses et de collecteurs d~eau montés aux deux extrémités des fils respectifs, les raccordements entre lesdits collecteurs et le module de filtration à membranes sont des raccordements souples, l~une des extrémités au moins du raccordement souple du collecteur d~eau est reliée à un tube ou un cordon creux, et le faisceau membranaire est suspendu audit module de filtration à membranes, flottant librement. L~invention se rapporte à un faisceau membranaire poreux à fibres creuses en suspension qui peut éliminer efficacement les contaminants ayant adhéré à la surface des fils membranaires, renforcer la solidité de ses fils membranaires qui deviennent alors difficile à rompre, prolonger sa durée de vie et produire de l~eau de qualité constante. Cette invention permet de résoudre les problèmes techniques rencontrés dans l~élément filtrant à membranes creuses concerné dont les fils membranaires sont mutuellement enchevêtrés et se rompent facilement, aboutissant ainsi à une production d~eau de plus faible qualité.

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