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Hollow fiber membrane module easy to disassemble and assemble and preparation method thereof

A fiber membrane and easy disassembly technology, which is applied in the field of easy disassembly and assembly of hollow fiber membrane modules and their preparation, and can solve the problems of non-removable and replacement of membrane tows.

Inactive Publication Date: 2020-10-30
JINAN UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the invention discloses an easy-to-assemble and disassemble hollow fiber membrane module and its preparation method, which is used to solve the problem that the membrane tow and the casing in the existing hollow fiber membrane module are sealed with glue, resulting in the non-removable and replaceable membrane tow. technical problem

Method used

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  • Hollow fiber membrane module easy to disassemble and assemble and preparation method thereof
  • Hollow fiber membrane module easy to disassemble and assemble and preparation method thereof
  • Hollow fiber membrane module easy to disassemble and assemble and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0039] see Figure 1 to Figure 3 , an easily disassembled hollow fiber membrane module provided in this embodiment includes:

[0040] Hollow fiber membrane tow 2, upper cover 3 and housing 1 with accommodating cavity;

[0041] The bottom of the housing 1 is provided with a water outlet 5, the upper cover 3 is screwed to the top of the housing 1, the upper cover 3 is provided with a water inlet 4, and the outer wall of the housing 1 is provided with With cleaning port 6;

[0042] The hollow fiber membrane tow 2 is arranged in the accommodating cavity, and the top of the hollow fiber membrane tow 2 is provided with a conical sealing end 7, and the top opening of the hollow fiber membrane tow 2 is exposed to the The top surface of the conical frustum body sealing end 7, specifically, the top opening of the hollow fiber membrane filament 2 faces the water inlet 4 of the upper cover 3, and the bottom of the hollow fiber membrane filament bundle 2 is provided with a cylinder seali...

Embodiment 2

[0056] see Figure 1 to Figure 5 , this implementation provides a method for preparing the hollow fiber membrane module mentioned in Example 1, which specifically includes:

[0057] S1. Straighten a number of hollow fiber membranes and cut them into preset lengths of membrane filaments, and then screen the membrane filaments to remove mechanically damaged membrane filaments such as breakage and rupture to prevent water leakage during filtration. Finally, the Intact membrane filament integrated hollow fiber membrane bundle 2;

[0058] S2. Extruding the top opening and the bottom opening of the hollow fiber membrane by physical extrusion, so that the top opening and the bottom opening of the hollow fiber membrane are sealed;

[0059] In this step S2, one end of the hollow fiber membrane filament bundle 2 is placed flat on the table, and then the top opening and the bottom opening of the hollow fiber membrane filament are squeezed with a pressure machine or other equipment that ...

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Abstract

The embodiment of the invention discloses a hollow fiber membrane module easy to disassemble and assemble and a preparation method thereof, and aims to solve the technical problem that membrane tows in an existing hollow fiber membrane module are sealed with a shell by adopting glue, so that the membrane tows cannot be disassembled and replaced. The hollow fiber membrane module comprises hollow fiber membrane tows, an upper cover and a shell with an accommodating cavity, wherein a water outlet is formed in the bottom of the shell, the upper cover is in threaded connection with the top of the shell, a water inlet is formed in the upper cover, and a cleaning opening is formed in the outer side wall of the shell; the hollow fiber membrane tows are arranged in the accommodating cavity; a conesealing end is arranged at the top of the hollow fiber membrane tows, the top openings of the hollow fiber membrane tows are exposed out of the top surface of the cone sealing end, a cylinder sealingend is arranged at the bottoms of the hollow fiber membrane tows, and the cone sealing end is connected with the top opening of the shell in a clamping manner.

Description

technical field [0001] The invention relates to the technical field of hollow fiber membrane module design, in particular to an easily disassembled hollow fiber membrane module and a preparation method thereof. Background technique [0002] Membrane separation technology is an emerging technology that takes separation membrane as the core and uses pressure difference to separate, concentrate and purify substances. It has the advantages of high efficiency, greenness and high effluent quality. Membrane separation technology has been widely used in water purification. [0003] Hollow fiber membranes have the advantages of large specific surface area, self-supporting, and high packing density. How to make the hollow fiber membrane into a high-efficiency module is a current research hotspot. The manufacturing method of the hollow fiber membrane module currently on the market is usually to straighten the hollow fiber membrane and cut it into a certain length, then seal the membr...

Claims

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Application Information

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IPC IPC(8): B01D63/02
CPCB01D63/022
Inventor 金腊华蔡瑞超蒋娜莎
Owner JINAN UNIVERSITY
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