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    • 7. 发明授权
    • Spiral reverse osmosis membrane element, method of manufacturing the same, and its use method
    • 螺旋反渗透膜元件及其制造方法及其使用方法
    • US08591684B2
    • 2013-11-26
    • US12173694
    • 2008-07-15
    • Atsushi HiroHiroki FujiokaAtsuhito Koumoto
    • Atsushi HiroHiroki FujiokaAtsuhito Koumoto
    • B32B37/00
    • B01D63/10B01D65/003
    • A spiral reverse osmosis membrane element that improves impregnation property of a sealing resin at edges of a membrane leaf and can effectively prevent micro-leaks, by using, for example, a porous support having a structure capable of sufficiently impregnating therein a sealing resin, a method for manufacturing the same, and a use method of the same are disclosed. The spiral reverse osmosis membrane element comprises a cylindrically wound body comprising a perforated core tube and, spirally wound therearound, a separation membrane, a feed-side passage material and a permeation-side passage material in a laminated state, and a sealing portion for preventing a feed-side liquid and a permeation-side liquid from being mixed together, wherein the separation membrane facing through the permeation-side passage material has a structure that a porous support and a skin layer are successively laminated on a non-woven fabric layer, and the sealing portion sealed with a sealing resin is provided at the edges of the separation membrane, wherein the separation membrane is impregnated with the sealing resin at least up to the vicinity of the skin layer through the porous support.
    • 一种螺旋反渗透膜元件,其提高密封树脂在膜片边缘的浸渍性能,并且可以通过使用例如具有能够充分浸渍密封树脂的结构的多孔载体来有效地防止微漏泄, 公开了其制造方法及其使用方法。 所述螺旋反渗透膜元件包括圆筒形卷绕体,所述圆筒形卷绕体包括穿孔芯管,并且在其周围螺旋地缠绕有层压状态的分离膜,进料侧通道材料和渗透侧通道材料,以及用于防止 进料侧液体和渗透侧液体混合在一起,其中通过透过侧通道材料面对的分离膜具有多孔载体和表皮层依次层叠在无纺布层上的结构, 并且在分离膜的边缘处设置用密封树脂密封的密封部分,其中分离膜通过多孔载体至少直到皮肤层附近浸渍密封树脂。
    • 8. 发明授权
    • Spiral membrane element and process for producing the same
    • 螺旋膜元件及其制造方法
    • US07998348B2
    • 2011-08-16
    • US12282138
    • 2007-03-07
    • Shinichi ChikuraKatsumi IshiiHideki MatsudaMasashi BeppuHiroki FujiokaYasuhiro Uda
    • Shinichi ChikuraKatsumi IshiiHideki MatsudaMasashi BeppuHiroki FujiokaYasuhiro Uda
    • B01D63/10B01D61/00
    • B01D63/103B01D63/10B01D65/003B01D2313/04B01D2313/146
    • An object of the present invention is to provide a spiral membrane element that can form a uniform fiber reinforcement layer on an outer circumferential surface by a simple process without a great change in the materials, as well as a process for producing the same. The spiral membrane element of the present invention is a spiral membrane element which is provided with a cylindrical roll R in which a separation membrane, a feed-side flow passageway member, and a permeate-side flow passageway member 3 are spirally wound in a laminate state around a perforated center tube 5 and in which a sealing part for preventing mixing of feed-side fluid and permeate-side fluid is disposed, wherein at least one sheet of the permeate-side flow passageway member 3 has a fiber cloth 23a extended or connected to the outer circumferential side, and the fiber cloth 23a is wound around an outer circumference of said cylindrical roll R, impregnated with a resin and hardened to thereby form a fiber reinforcement layer.
    • 本发明的目的在于提供一种能够通过简单的工艺在外周面上形成均匀的纤维增强层的螺旋膜元件,而不会产生很大的变化,以及其制造方法。 本发明的螺旋膜元件是具有圆筒形辊R的螺旋膜元件,其中分离膜,进料侧流动通道构件和渗透侧流动通道构件3螺旋卷绕在层压体 在其中设置有用于防止进料侧流体和渗透侧流体混合的密封部,其中至少一片渗透侧流动通道构件3具有延伸的纤维布23a或 连接到外周侧,并且纤维布23a缠绕在所述圆柱形辊R的外圆周上,浸渍树脂并硬化,从而形成纤维增强层。