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Liquid filter membrane component

A filter membrane and component technology, applied in the field of liquid filter membrane components, can solve problems such as difficult regeneration, high pressure loss, and large filtration resistance, and achieve increased effective filtration area, high temperature resistance of 400°C, and low liquid flow resistance Effect

Inactive Publication Date: 2015-12-02
CHENGDU INTERMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing liquid filtration membrane modules are mainly made of organic materials into a plate and frame shape, which has low mechanical strength and complicated sealing. Relatively high losses, resulting in high energy consumption, high filtration resistance, and low filtration efficiency
Membrane modules made of organic materials are difficult to regenerate after repeated cleaning, and it is difficult to sterilize them at high temperatures (such as 400°C), which greatly limits their scope of use.

Method used

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Examples

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Embodiment Construction

[0022] Such as figure 1 and figure 2 The liquid filtration membrane assembly shown includes a filter membrane 1 made of a flexible porous metal membrane, and the filter membrane 1 is connected to a frame 4 provided with a drain pipe 3, and forms a circumferential A filter structure with a closed end face opposite to the drain pipe 3, in which a support guide structure 2 facing the outlet of the drain pipe 3 is provided along the surface of the filter membrane 1.

[0023] The filter membrane 1 is made of a flexible porous metal membrane. The porosity of the filter membrane 1 is 50%-70%, the pore diameter is 10-20 μm, and the thickness is 200-1500 μm. The filter membrane 1 is preferably composed of a metal porous material with Ag-Au solid solution, Ti-Zr solid solution, Mg-Cd solid solution, Fe-Cr solid solution or Ni-Cu solid solution as the matrix phase. The filter membrane 1 composed of the flexible porous metal membrane under the above conditions has corrosion resistance...

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Abstract

The invention relates to a liquid filter membrane component. The liquid filter membrane component comprises a filter membrane formed by a flexible porous metal membrane, wherein the filter membrane is connected with a frame provided with a liquid discharging pipe and forms a filter structure which has the characteristics that the peripheral surface and the end surface opposite to the liquid discharging pipe are closed except the end surface on which the liquid discharging pipe is positioned, and the filter structure is internally provided with a support flow guide structure which faces to an opening of the liquid discharging pipe along the surface of the filter membrane. The liquid filter membrane component has the advantages of simple structure, small pressure loss in the filter process, flow guiding effect, low liquid flow resistance, good filter effect, repeated cleaning, corrosion resistance, and high temperature (400 DEG C) resistance.

Description

technical field [0001] The invention relates to the field of liquid filtration, in particular to a liquid filtration membrane module. Background technique [0002] In the field of liquid filtration and purification such as sewage and liquid purification, MBR (Membrane Biological Reactor), that is, membrane bioreactor, is currently mainly used for liquid filtration and purification. Taking sewage treatment as an example, membrane bioreactor is a new sewage treatment technology combining high-efficiency membrane separation technology and activated sludge method. The solid-liquid separation process using liquid filtration membrane modules replaces the traditional sedimentation process, which can prolong the life of activated sludge. The residence time in the membrane bioreactor increases the removal rate of nitrogen and the degradation of organic matter, and can effectively remove solid suspended particles and organic particles, while greatly reducing the sludge production in t...

Claims

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Application Information

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IPC IPC(8): B01D63/00B01D71/02B01D69/10
Inventor 高麟汪涛李廷军张林
Owner CHENGDU INTERMENT TECH
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