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Columnar membrane component

A column-type membrane and module technology, applied in the field of water treatment, can solve the problems of high cleaning labor intensity, poor liquid flow in the shell, and easy accumulation of mud at the end of the membrane module, so as to improve the utilization rate of materials, The effect of improving water turbulence and improving anti-pollution performance

Active Publication Date: 2014-12-17
BEIJING ECOJOY WATER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are two main problems in the built-in membrane bioreactor: one is that the installation, maintenance and cleaning of the membrane modules are very inconvenient, and the cleaning is labor-intensive; It is 3-4 times that of other mature sewage biological treatment processes at present, which makes its energy consumption per ton of water still significantly higher than other processes
However, one disadvantage of this patent is that the flow state of the liquid flow inside the shell is not good, and the end of the membrane module is prone to sludge accumulation
The disadvantage of this patent is also that the flow state of the liquid flow inside the shell is not good, and the end of the membrane module is prone to mud accumulation

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0084] Such as figure 1 , image 3 , Figure 4 , Image 6 As shown, a hollow fiber columnar membrane module includes a cylindrical shell 1 with an outer diameter of 225mm, a height of 1.45m, and a material made of UPVC (un-plasticized polyvinyl chloride) plastic, which is fastened to the upper and lower ports of the shell 1. The end cover 20 on the top, seven hollow fiber membrane bundles 3 arranged in the casing 1, each hollow fiber membrane bundle 3 is composed of 180 hollow fiber membrane filaments 2, the hollow fiber membrane filaments 2 are used to pass through the liquid The average pore diameter of the pores is 0.1μm, the outer diameter of the hollow fiber membrane is 1.35mm, the material is polyvinylidene fluoride, the upper end can swing freely, each membrane wire is in a closed-pore state, sealed with flexible epoxy resin, and the lower end It is collected in the lower end head 5 by epoxy resin casting, and it is re-cast with polyurethane to protect the root of th...

Embodiment 2

[0097] Such as figure 2 , image 3 , Figure 5 , Figure 7 As shown, a hollow fiber column membrane module includes a cylindrical housing 1 with an outer diameter of 225mm, a height of 1.45m, and a material of UPVC plastic, and an end cap 20 buckled on the upper and lower ports of the housing 1. There are 7 hollow fiber membrane bundles 3 in the housing 1, each hollow fiber membrane bundle 3 is composed of 240 hollow fiber membrane filaments 2, and the average pore diameter of the micropores of the hollow fiber membrane filaments 2 for passing liquid is 0.4 μm , the outer diameter of the hollow fiber membrane is 1.2mm, and the material is polyvinylidene fluoride. Membrane root for protection. The overall shape of the upper end 4 and the lower end 5 is cup-shaped, and the diameter of the upper circle of the two ends is 45mm. The hollow fiber membrane filament 2 is in an open state in the water production collection chamber 12 in the upper end 4, and in a closed state in t...

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Abstract

The invention discloses a columnar membrane component which comprises a shell, an end cover of the shell, a filtering unit in the shell, a feed liquid inlet and a feed liquid outlet, wherein the feed liquid inlet is lower than the lower end of the filtering unit or higher than the upper end of the filtering unit. The invention also discloses a membrane bioreactor and water treatment equipment utilizing the columnar membrane component. The disclosed columnar membrane component has the structural characteristics that liquid to be filtered enters the membrane component from the lower part or upper part of the filtering unit, the flow state of the liquid in the membrane component is improved, the phenomenon that the area of the liquid flow in the filtering unit is suddenly turned to the end part of the filtering unit so as to enable sludge deposit to be easily caused when the liquid to be filtered goes in and out of the shell is avoided, the pollution resistance of the membrane component is improved, and the phenomenon that the service life of the whole membrane component is shortened because of rapid development and spread of pollution of the end part of the filtering unit can be effectively avoided.

Description

[0001] This application is a divisional application of an invention with a filing date of 2008.04.18, an invention name of "a column membrane module", and an application number of 200810104465.6. technical field [0002] The invention relates to membrane separation water treatment equipment, in particular to a column membrane module applied to water treatment, a membrane bioreactor using the column membrane module and water treatment equipment, belonging to the technical field of water treatment. Background technique [0003] Membrane Bioreactor (MBR) process is an efficient sewage treatment and reuse technology that organically combines membrane separation technology and traditional biological treatment technology. Compared with other sewage treatment processes, it has excellent and stable effluent quality and occupies less land With outstanding advantages such as small area, strong impact load resistance, and low excess sludge output, it is a water treatment process with gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D63/00B01D63/06B01D63/04C02F1/44C02F3/12
CPCY02W10/10
Inventor 孙友峰
Owner BEIJING ECOJOY WATER TECH
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