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    • 14. 发明授权
    • Flat membrane element and regeneration method thereof
    • 平膜元件及其再生方法
    • US07992724B2
    • 2011-08-09
    • US12382654
    • 2009-03-20
    • Kiyokazu TakemuraKazuhiko NotoMitsuru HatanakaTakashi FujimotoTatsuaki Tagashira
    • Kiyokazu TakemuraKazuhiko NotoMitsuru HatanakaTakashi FujimotoTatsuaki Tagashira
    • H05B7/00B01D29/00B01D29/46
    • B01D63/081B01D65/003B01D65/02B01D2313/04B01D2321/00
    • To reuse support plate and to fix a membrane sheet by the same method both in a new product manufacturing and in regeneration. In a flat membrane element including a deposit fixed portion formed by lapping a membrane sheet performing solid-liquid separation onto a support plate supporting the membrane sheet and by emitting a laser to a circumferential edge of the membrane sheet to deposit fix the member sheet onto the support plate, and making an inside of the membrane sheet surrounded by the deposit fixed portion be a solid-liquid separating area; an embrocation having laser absorption property is applied on the surface of the membrane sheet of the deposit fixed portion. At the time of regeneration, such a portion of the membrane sheet that corresponds to the solid-liquid separating area is cut off and, after that, a new membrane sheet is lapped on the embrocation and the new membrane sheet and the embrocation are deposit fixed by a laser.
    • 在新产品制造和再生中,通过相同的方法重新利用支撑板和固定膜片。 在包括通过将进行固液分离的膜片研磨到支撑膜片的支撑板上形成的沉积物固定部分并且通过向膜片的周边边缘发射激光以将该片材固定在该片材上的平板膜元件 支撑板,并且使由沉积物固定部分包围的膜片的内部形成为固液分离区域; 将具有激光吸收特性的带孔涂布在沉积固定部分的膜片的表面上。 在再生时,切断对应于固液分离区域的膜片的这一部分,之后在新鲜的膜片和新的膜片上研磨新的膜片,并且将该固化剂固定 通过激光。