| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening sealing member, a membrane module and a repair method of the membrane module, capable of reliably sealing hollow fiber membrane in which a leak is produced.SOLUTION: An opening sealing member 10 is used for a hollow fiber membrane bundle 3 of a membrane module 1. The membrane module 1 includes: the hollow fiber membrane bundle 3 composed of a plurality of hollow fiber membranes 2; and a potting material 4 with which the hollow fiber membrane bundle 3 is fixed onto an edge part. Here, at least one edge part of the hollow fiber membrane 2 is opened on the potting material 4. The opening sealing member 10 has one edge 10a of which an outer diameter is smaller than an inner diameter D2 of an opening P, the another edge 10b of the side opposite to the one edge 10a, and a tapered part T of which an outer diameter is gradually enlarged from one edge 10a side over the another edge 10b side, and is made of a resin having flexibility. Further, a part of the tapered part T is a sealing part S which comes into contact with the inner peripheral surface of the opening P and seals the opening P. |
