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A multi-channel membrane tube and application thereof

A multi-channel, membrane tube technology, applied in the field of multi-channel membrane tubes, can solve the problems of restricting the distribution ratio of permeate, increasing the complexity of membrane components and manufacturing costs, and achieving the effect of improving utilization efficiency

Inactive Publication Date: 2009-07-08
JIANGSU JIUWU HITECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this limits the permeation path of the permeate and the distribution ratio of the surface area of ​​the membrane tube, and increases the complexity and manufacturing cost of the membrane module.

Method used

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  • A multi-channel membrane tube and application thereof
  • A multi-channel membrane tube and application thereof
  • A multi-channel membrane tube and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The end face of the multi-channel membrane tube is as figure 1 shown. Membrane tube support adopts AL 2 o 3 The ceramic material is extruded at one time, the length is 0.5m, the diameter of the membrane tube is 41mm, there are 18 raw material side channels, 1 permeation side channel, the diameter of the raw material side channel is 6mm, and the wall thickness between channels is 2mm. The permeate side channel is located in the middle of the membrane tube, one end is closed, the plugging length is 1cm, and the other end is sintered with a 2.5cm long section of enamel as the inner socket, which is inserted into the inner plug pipeline with O-ring to lead out the permeate. The outer surface and both ends of the membrane tube are sealed with sintered enamel, the raw material side channel is covered with an aluminum oxide film layer with an average pore diameter of 0.2 μm, and the porosity of the support body and the film layer is 35%. Immerse the membrane tube in the flu...

Embodiment 2

[0034] The end face of the multi-channel membrane tube is as figure 1 shown. Membrane tube support adopts AL 2 o 3 The ceramic material is extruded at one time, the length is 0.5m, the diameter of the membrane tube is 31mm, there are 6 raw material side channels, 1 permeation side channel, the diameter of the raw material side channel is 6mm, and the wall thickness between the channels is 2mm. The permeate side channel is evenly distributed in the middle of the membrane tube, one end is closed, the plugging length is 1cm, and the other end is sintered with a 2.5cm long section of enamel as the inner socket, which is inserted into the inner plug pipeline with O-ring to lead out the permeate. The outer surface of the membrane tube, both end surfaces and the raw material side channel are covered with a layer of titanium oxide film layer with an average pore diameter of 0.05 μm, and the porosity of the support body and the film layer is 35%. The total membrane surface area on t...

Embodiment 3

[0036] The end face of the multi-channel membrane tube is as figure 1 shown. The membrane tube support is extruded from alumina powder, the length is 0.5m, the diameter of the membrane tube is 31mm, there are 6 raw material side channels, 1 permeation side channel, the channel diameter is 6mm, and the wall thickness between channels is 2mm. The permeate side channel is evenly distributed in the middle of the membrane tube, and both ends are coated with a 1.5cm long section of epoxy resin adhesive to seal the external joint, and then the external pipeline is connected to lead out the permeate. The outer surface of the membrane tube, both end surfaces and the raw material side channel are covered with a zirconia membrane layer with an average pore diameter of 0.05 μm, and the porosity of the support body and the membrane layer is 35%. Immerse the membrane tube in the flux detection cell, air-lift cross-flow, the feed liquid is 1g / L alumina particle suspension with a particle si...

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PUM

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Abstract

The invention relates to a multi-channel membrane tube, which is characterized in that the permeate side is in the multi-channel of the membrane tube, and the outer surface of the membrane tube is used as the raw material side or closed, and can be used as a membrane module without adding a closed shell-shaped jacket. In the case of the same external dimensions, the multi-channel membrane tube of the novel structure can have different ratios of the permeate side area and the raw material side area, thereby improving the utilization efficiency of the surface area of ​​the membrane tube. It is applied to the process of immersing the membrane element or membrane module in the raw material fluid for membrane separation, and has the characteristics of simple manufacture and low equipment cost.

Description

technical field [0001] The invention relates to a multi-channel membrane tube and its application, in particular to a multi-channel membrane tube with high membrane surface area utilization efficiency and its application in an air-lift membrane treatment device. Background technique [0002] The membrane device can realize the membrane filtration separation process of microfiltration and ultrafiltration, which is used to separate fluids containing macromolecules or large-sized particles. Solvents and small-molecule solutes in the fluid permeate the membrane, and macromolecules or large-sized particles are retained by the membrane. Compared with conventional filtration, membrane filtration has the characteristics of high filtration precision and energy saving. [0003] In practical application, the membrane tube is mainly multi-channel, because the multi-channel membrane tube has a compact structure, a relatively large membrane area, and it is relatively easy to realize cross...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D63/06B01D53/22
Inventor 徐南平王龙耀邢卫红范益群
Owner JIANGSU JIUWU HITECH
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