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    • 3. 发明申请
    • Method of locating or repairing damaged hollow fiber membranes or header or module assembly
    • 定位或修理损坏的中空纤维膜或头或模块组件的方法
    • US20060113226A1
    • 2006-06-01
    • US11244976
    • 2005-10-06
    • Joseph BreitnerSteven Pedersen
    • Joseph BreitnerSteven Pedersen
    • B01D63/02
    • B01D63/02B01D63/021B01D65/00B01D65/102B01D65/104B01D65/106B01D65/108B01D2313/21
    • A membrane module may have, or may 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 may be 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 may be repaired by closing the potted end of the defective fiber. The pressure differential may be applied by suction on the cover. The separating surfaces of the membranes may 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 may also be used to create a permeate cavity, or other part of a header assembly, used in normal operation of the module.
    • 膜模块可以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,可以在膜的端部上放置液体,同时将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。 可以通过关闭有缺陷的光纤的封装端来修复模块。 压差可以通过吸力施加在盖上。 膜的分离表面可能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。 也可以使用盖子来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。
    • 6. 发明申请
    • PULSE AERATION FOR IMMERSED MEMBRANES
    • 脉冲密封膜的脉冲密度
    • US20130015130A1
    • 2013-01-17
    • US13181776
    • 2011-07-13
    • Joseph Breitner
    • Joseph Breitner
    • B01D65/02B01D29/60B01D29/66
    • C02F1/444B01D61/20B01D65/02B01D65/08B01D2313/26B01D2315/06B01D2321/185
    • An assembly of modules on the order of a cassette or larger are aerated simultaneously in a series of air-on or high flow rate periods, each in the range of 0.5 to 20 seconds long, separated by longer air-off or low flow rate periods, each in the range of 5 to 40 seconds long. A plurality of aerators located in association with a plurality of modules are provided with a burst of air simultaneously from a shared air accumulator or pulsator connected to all of the aerators. The air accumulator or pulsator may be fed with a continuous supply of air. The plurality of modules may be connected together in a cassette or rack. The accumulator or pulsator may be located outside of a tank of water containing the membranes.
    • 一个或多个盒子的大小的模块的组件以一系列空气接通或高流量周期同时充气,每个时间间隔为0.5至20秒,通过较长的空气流量或较低的流量周期隔开 ,每个在5到40秒的范围内。 与多个模块相关联地设置的多个曝气器同时从连接到所有曝气器的共用空气蓄能器或脉动器同时提供。 空气蓄能器或脉动器可以连续供给空气。 多个模块可以在盒或机架中连接在一起。 蓄能器或波轮可以位于包含膜的水箱的外部。