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    • 2. 发明申请
    • METHOD OF LOCATING AND REPAIRING DAMAGED HOLLOW FIBER MODULES AND HEADER ASSEMBLY
    • 定位和修复损坏的中空纤维模块和头组件的方法
    • WO2006037234A1
    • 2006-04-13
    • PCT/CA2005/001542
    • 2005-10-06
    • ZENON ENVIRONMENTAL INC.BREITNER, JosephPEDERSEN, Steven Kristian
    • BREITNER, JosephPEDERSEN, Steven Kristian
    • B01D65/10B01D63/04
    • B01D65/104B01D63/02B01D63/021B01D65/00B01D65/106B01D2313/21
    • A membrane module has, or can be fitted with, a transparent or translucent cover over a block of potting material holding hollow fiber membranes. To locate a defective fiber, a liquid is placed over the ends of the membranes while the separating surfaces of the membranes are exposed to a gas and a pressure differential is applied to produce bubbles of the gas in the liquid through a defect requiring repair. The location of the defective fiber is revealed by the bubbles. The module is repaired by closing the end of the defective fiber. The pressure differential may be applied by suction on the cover such that the separating surfaces of the membranes do not need to be installed in a pressure vessel. The end of the defective membrane may be sealed by manipulating devices from outside of the cover such that the cover does not need to be removed. The cover can also be used to create a permeate cavity, or other part of a header assembly, used in normal operation of the module.
    • 膜模块具有透明或半透明的盖子,或者可以装配在保持中空纤维膜的灌封材料块上。 为了定位有缺陷的纤维,将液体放置在膜的端部上,同时膜的分离表面暴露于气体,并施加压力差以通过需要修复的缺陷在液体中产生气体的气泡。 有缺陷的纤维的位置由气泡显露出来。 通过关闭有缺陷的光纤的末端来修复模块。 压差可以通过抽吸施加在盖上,使得膜的分离表面不需要安装在压力容器中。 可以通过从盖的外部操纵装置来密封有缺陷的膜的端部,使得盖不需要被移除。 盖子还可以用于创建在模块的正常操作中使用的渗透腔或头部组件的其它部分。