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Method for sealing plain filter membrane component

A filter membrane and flat sheet technology, which is applied in the sealing field of flat sheet filter membrane elements, can solve the problems of high material selection and complicated binder process, and achieve the effect of simple sealing and wide applicability.

Active Publication Date: 2012-05-30
上海斯纳普膜分离科技有限公司
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  • Abstract
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to overcome the disadvantages of the complicated adhesive process in the prior art and the high selectivity of materials in the ultrasonic welding process, and provide a kind of material with wide applicability to materials, easy processing and good sealing effect. A Good Sealing Method for Flat Sheet Filter Elements

Method used

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  • Method for sealing plain filter membrane component
  • Method for sealing plain filter membrane component

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Embodiment Construction

[0023] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0024] Such as figure 1 As shown, the flat-sheet filter membrane element includes a flow deflector 3 in the middle, and two flat-sheet filter membranes 1 covering both sides of the flow guide plate 3 . The material of the deflector 3 is generally ABS plastic, or other engineering plastics that are easy to be processed by injection molding. The substrate material of the filter membrane 1 is generally non-woven fabric, and most of them are polyester non-woven fabric or non-woven fabric of other polymer materials, such as polyethylene non-woven fabric. Because the sealing method of the present invention has wide applicability to materials, the deflector material and non-woven fabric substrate material commonly used in the MBR flat-sheet filter membrane element can be realized easily and wi...

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Abstract

The invention discloses a method for sealing a plain filter membrane component, comprising the following steps: S1, coating bonders on the sealing part of a deflector; S2, covering a plain filter membrane on the deflector; S3, utilizing an ultrasonic generator to carry out pressure location on the surface of the plain filter membrane on the sealing part; and S4, completing sealing after the bonders are cured. The method combines the bonder technology with the ultrasonic welding technology, is wide in applicability to materials and can simply realize sealing of the plain filter membrane and the deflector under the condition of ensuring the sealing quality.

Description

technical field [0001] The invention relates to a sealing method of a filter membrane element, in particular to a sealing method of a flat sheet type filter membrane element. Background technique [0002] Membrane Bioreactor (MBR) technology is a new technology in sewage treatment and water resource reuse in environmental engineering. It is a new water treatment method that combines high-efficiency membrane separation technology with traditional activated sludge. It is widely used in the treatment of municipal sewage and various organic industrial wastewater. [0003] The key component of the MBR process is the membrane separation module. At present, there are two main forms of membrane separation components used in large-scale sewage treatment projects: hollow fiber filter elements and flat sheet filter elements. Hollow fiber membrane elements have great difficulties in the problems of broken filaments and sludge cleaning, which prompted the development of flat membrane m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D69/06
Inventor 梁国明楼福乐童国英
Owner 上海斯纳普膜分离科技有限公司
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