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Hollow yarn membrane module, hollow yarn membrane module unit, and method of producing hollow yarn membrane modules

  • US 20030038075A1
  • Filed: 03/20/2002
  • Published: 02/27/2003
  • Est. Priority Date: 08/02/2000
  • Status: Abandoned Application
First Claim
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1. A hollow fiber membrane module, comprising (a) a cylindrical case, (b) a first sealing body provided for sealing one end of the cylindrical case, (c) a second sealing body provided for sealing the other end of the cylindrical case, (d) a first cap provided for the cylindrical case outside the first sealing body, (e) a second cap provided for the cylindrical case outside the second sealing body, (f) a filtration chamber formed by the inner wall surface of the first sealing body, the inner wall surface of the second sealing body and the inner wall surface of the cylindrical case, (g) a first chamber formed by the inner wall surface of the first cap and the outer wall surface of the first sealing body, (h) a second chamber formed by the inner wall is surface of the second cap and the outer wall surface of the second sealing body, (i) a hollow fiber membrane bundle accommodated in the filtration chamber and attached to the first sealing body, with one end of the bundle opened toward the first chamber, and attached to the second sealing body, with the other end of the bundle closed against the second chamber;

  • or attached to the first sealing body, with both the ends of the bundle opened toward the first chamber, the entire bundle being curved in U-shape, (j) a raw water supply port formed in the cylindrical case and opened toward the filtration chamber at a position near the second sealing body, (k) an air discharge port formed in the cylindrical case and opened toward the filtration chamber at a position near the first sealing body, (l) fluid flow holes for allowing the flow of air and drain, formed in the second sealing body through the second sealing body from the filtration chamber, (m) a filtrate delivery port formed in the first cap and opened toward the first chamber, and (n) a drain port formed in the second cap and opened toward the second chamber.

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