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    • 3. 发明申请
    • SPIRAL WOUND MEMBRANE ELEMENT AND METHOD FOR CLEANING SPIRAL WOUND MEMBRANE SHEET
    • 螺旋膜元件和清洁螺旋膜片的方法
    • WO2013155682A1
    • 2013-10-24
    • PCT/CN2012/074256
    • 2012-04-18
    • GENERAL ELECTRIC COMPANYWANG, ChangWANG, Chen
    • WANG, ChangWANG, Chen
    • B01D63/10B01D65/02
    • B01D63/10B01D61/12B01D63/103B01D63/106B01D65/02B01D2313/04B01D2313/08B01D2313/12B01D2313/18B01D2313/19B01D2313/23B01D2321/00B01D2321/06
    • A spiral wound membrane element (10) and a method for cleaning a spiral wound membrane sheet (18) are provided. The spiral wound membrane element (10) comprises a perforated central tube (16); one or more membrane sleeves (12), each sleeve (12) including two membrane sheets (18) enclosed at two edges (18a, 18b) around a feed spacer sheet (14) and wrapped around the central tube (16); a permeate carrier sheet (20) attached to the central tube (16) at a first edge (20a) opposite a second edge (20b); and a seal (23) on third and fourth edges (20c, 20d) of the permeate carrier sheet (20). The method comprises introducing two solution with different solute concentration to two sides of the spiral wound membrane sheet (18); establishing a concentration gradient between the first and second sides; communicating a first solvent from the first side to the second side to remove a foulant located on the second side of the membrane sheet (18); and collecting a waste stream that contains the foulant.
    • 提供螺旋卷绕膜元件(10)和清洁螺旋卷绕膜片(18)的方法。 螺旋缠绕膜元件(10)包括穿孔中心管(16); 一个或多个膜套(12),每个套筒(12)包括围绕进料间隔片(14)的两个边缘(18a,18b)封闭并缠绕在中心管(16)周围的两个膜片(18)。 在与第二边缘(20b)相对的第一边缘(20a)处附接到中心管(16)的渗透物载体片(20); 以及在所述渗透物载体片(20)的第三和第四边缘(20c,20d)上的密封件(23)。 该方法包括将具有不同溶质浓度的两种溶液引入螺旋缠绕膜片(18)的两侧; 建立第一和第二侧之间的浓度梯度; 将第一溶剂从第一侧传送到第二侧以除去位于膜片(18)的第二侧上的污物; 并收集含有污垢的废物流。
    • 5. 发明申请
    • CENTRAL CORE ELEMENT FOR A SEPARATOR ASSEMBLY
    • 分离器总成的中心元件
    • WO2012166834A2
    • 2012-12-06
    • PCT/US2012/040065
    • 2012-05-31
    • GENERAL ELECTRIC COMPANYWANG, ChenANDERSON, Todd, AlanLU, SuLI, Hua
    • WANG, ChenANDERSON, Todd, AlanLU, SuLI, Hua
    • B01D63/10B01D63/06B01D61/10B01D65/00
    • B01D61/08B01D61/10B01D63/103B01D2313/143Y10T29/49428
    • The present invention provides a central core element a reverse osmosis separator assembly useful in the purification of fluids. The central core element comprises an outer exhaust conduit defining an inner volume and a gap starting at a first end thereof the outer exhaust conduit and extending towards a second end of the outer exhaust conduit, and an inner porous exhaust conduit comprising a first section disposed within the inner volume defined by outer exhaust conduit and a second section configured to abut and seal the first end of the outer exhaust conduit. The outer exhaust conduit is configured to accommodate a first portion of a membrane stack assembly within the inner volume and a second portion of the membrane stack assembly disposed as a multilayer membrane assembly on an outer surface of the outer exhaust conduit. The gap is configured to accommodate a transition section of the membrane stack assembly linking the first portion of the membrane stack assembly with the second portion of the membrane stack assembly. The first inner porous exhaust conduit section is configured to be disposed within the first portion of the membrane stack assembly.
    • 本发明提供了一种用于净化流体的反渗透分离器组件的中心芯体元件。 中心芯元件包括限定内部体积的外部排气导管和从其外部排气导管的第一端开始并且朝向外部排气导管的第二端延伸的间隙,以及内部多孔排气导管,其包括设置在内部排气导管内的第一部分 由外部排气管道限定的内部容积和构造成邻接和密封外部排气管道的第一端的第二部分。 外部排气导管构造成容纳内部体积内的膜堆叠组件的第一部分,以及作为多层膜组件设置在外部排气导管的外表面上的膜堆叠组件的第二部分。 该间隙被构造成容纳将膜堆叠组件的第一部分与膜堆叠组件的第二部分连接的膜堆叠组件的过渡部分。 第一内部多孔排气导管部分构造成设置在膜堆叠组件的第一部分内。