JPS61106306U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a schematic sectional view showing one embodiment of the hollow fiber filtration module of the present invention, and FIG. 2 is a schematic sectional view of the vicinity of the annular member 1' in another embodiment of the hollow fiber filtration module of the present invention. 3 to 5 are schematic partially cutaway plan views showing other embodiments of the hollow fiber filtration module of the present invention. 1, 1': Annular member, 2: Fixing member, 3: Hollow fiber filtration membrane, 4: Hollow fiber for bubble generation, 5: Sub-chamber, 6
: Partition member, 7: Piping, 8, 9: Water collection surface, 10
: Support, 11: Water supply inlet and gas outlet, 12, 1
3: Connecting member, 14: Hollow fiber support member.

Claims (1)

[Claims for Utility Model Registration] 1. A first annular member having on its inner surface a fixing member that focuses and fixes a large number of open ends of a hollow fiber filtration membrane having hydrophilic micropores while maintaining the open state on a water collection surface. and a large number of open ends of a hollow fiber filtration membrane having hydrophilic micropores and a large number of open ends of a hollow fiber having hydrophobic micropores with a bubble point smaller than the bubble point of the hydrophilic micropores. and a second annular member having on its inner surface a fixing member for concentrating and fixing the water while maintaining an open state on the water collection surface, and a filtration member disposed so as to face each other with their respective water intake surfaces facing each other. , Collecting filtrate on the water collecting surface on the second annular member side of the filtration member when performing filtration, and introducing gas into the hollow fibers having the hydrophobic micropores during the function recovery treatment of the hollow fiber filtration membrane. A sub-chamber is provided for the purpose of this, and the filtrate in the sub-chamber is combined with the filtrate from the water collecting surface on the first annular member side, or gas is introduced into the sub-chamber from the first annular member side. A hollow fiber filtration module that is equipped with piping for 2. The plurality of hollow fiber filtration membranes having the hydrophilic micropores are fixed at both ends by two fixing members, and are arranged substantially linearly between the first annular member and the second annular member. A hollow fiber filtration module according to claim 1, which is a utility model. 3 A large number of hollow fiber filtration membranes having hydrophilic micropores are fixed together in a U-shape by a fixing member, and a pair of bundles of hollow filtration membranes bundled and fixed in a U-shape are arranged so as to face each other. A hollow fiber filtration module according to claim 1, which is provided as a utility model. 4. The hollow fiber filtration module according to claim 3, wherein the hollow fiber filtration module is provided with two or more pairs of bundles of hollow filtration membranes arranged in a U-shape to face each other and fixed together in a U-shape. 5. Each of the plurality of hollow fibers having hydrophobic micropores is fixed in a U-shape to the inner surface of the second annular member via a fixing member while keeping the open end of each hollow fiber in an open state. A hollow fiber filtration module according to claim 2, 3, or 4 of the utility model registration claim. 6. Scope of Utility Model Registration Claims: Each of a large number of hollow fibers having hydrophobic micropores with only one end open has its open end on the water intake surface on the second annular member side. Section 2, Section 3
The hollow fiber filtration module according to item 4 or item 4. 7 The hollow fiber having the hydrophobic micropores is
The hollow fiber filtration module according to claim 5 or 6, which is provided closer to the second annular member than between the annular member and the second annular member.