Hollow-fiber membrane module

Details Hollow-fiber membrane module Hollow-fiber membrane module

2007-05-29

2007-05-29

Kim, John (Department: 1723)

Liquid purification or separation

Casing divided by membrane into sections having inlet

Each section having inlet

C210S321900, C210S500230

Reexamination Certificate

active

10682186

ABSTRACT:
This invention provides an inexpensive hollow-fiber membrane module that can prevent diaphragms from peeling or coming off from the cylindrical casing. The invention includes a hollow-fiber membrane module, comprising a cylindrical casing having an inlet port for the treating liquid at one end and an outlet port for the treating liquid at the other end, a hollow-fiber membrane bundle contained in the cylindrical casing, potting layers for fixing the hollow-fiber membrane bundle to the inner wall of the cylindrical casing at both the ends of the hollow-fiber membrane bundle, a header having an outlet port for the liquid undergoing treatment provided at one end of the cylindrical casing, and a header having an inlet port for the liquid undergoing treatment provided at the other end of the cylindrical casing, wherein baffle cylinders having slits extending in the direction at an angle to the axis of the cylindrical casing are fitted in the potting layers.

REFERENCES:
patent: 4425234 (1984-01-01), Reitz
patent: 2002/0108906 (2002-08-01), Husain et al.
patent: 63004809 (1988-01-01), None

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