Flat-plate hyperfiltration membrane component applicable to carrying out hyperfiltration membrane modification by electric field induction

An ultrafiltration membrane, flat plate technology, applied in ultrafiltration, membrane technology, semi-permeable membrane separation, etc., can solve the problem of insufficient stability of the combination of precoat and ultrafiltration membrane, and reduce water turbidity and permanganate. index, good corrosion resistance, and the effect of improving the service life of the membrane

Active Publication Date: 2017-05-31
YANGZHOU UNIV
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional ultrafiltration membrane precoating technology often directly uses negative pressure suction to form a precoat, and the combination of the precoat formed by this method and the ultrafiltration membrane is not stable enough

Method used

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  • Flat-plate hyperfiltration membrane component applicable to carrying out hyperfiltration membrane modification by electric field induction

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] 1. Introduction to the structure of the flat ultrafiltration membrane module:

[0019] Such as figure 1 As shown, the ultrafiltration membrane 6 is clamped by the fixing clip 7. The ultrafiltration membrane 6 is a polyvinylidene fluoride ultrafiltration membrane with a nominal pore size of 0.1 μm. The fixing clip 7 is made of ABS resin.

[0020] A diversion cloth 5 is arranged in the inner chamber of the ultrafiltration membrane 6 , a graphite screen 4 with a density of 60 mesh is arranged in the inner chamber of the diversion cloth 5 , and a guide plate 3 is arranged in the inner chamber of the graphite screen 4 .

[0021] The graphite screen 4 is electrically connected to the inner end of a group of wires 1, the middle part of the wire 1 passes through the slit of the deflector 3, the outer end of the wire 1 is arranged on the outside of the ultrafiltration membrane 6, and then sealed in the ultrafiltration membrane 6 by epoxy resin On the fixing clip 7.

[0022] A ...

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Abstract

The invention discloses a flat-plate hyperfiltration membrane component applicable to carrying out hyperfiltration membrane modification by electric field induction, and belongs to the technical field of the membrane separation of water treatment. A flow guiding fabric is arranged in an inner cavity of a hyperfiltration membrane; a flow guiding plate is arranged in an inner cavity of the flow guiding fabric. The flat-plate hyperfiltration membrane component is characterized in that a graphite wire mesh is arranged between the flow guiding fabric and the flow guiding plate; the inner end of a conducting wire is electrically connected onto the graphite wire mesh; the outer end of the conducting wire is arranged on the outer side of the hyperfiltration membrane; a water outlet passage is arranged between the flow guiding plate of the inner cavity of the graphite wire mesh and a water outlet interface. The graphite wire mesh is adopted for the membrane component provided by the invention and serve as an anode; the flat-plate hyperfiltration membrane component is good in corrosion resistance, good in conduction effect and stable in performance, moreover, is easy to mount and operate, and has extremely good use value.

Description

technical field [0001] The invention belongs to the technical field of water treatment membrane separation. Background technique [0002] As a new type of high-efficiency water treatment technology, ultrafiltration technology with membrane modules as the core has increasingly attracted the attention of countries all over the world. The advantages of ultrafiltration technology are simple operation and relatively low processing cost, which can effectively improve enterprise benefits. Ultrafiltration membrane technology has become one of the most important hot technologies in the field of water treatment in modern times. Among them, the flat membrane is the most widely used type of membrane treatment technology. The flat membrane usually consists of a clamp for clamping the ultrafiltration membrane, a guide cloth arranged in the inner cavity of the ultrafiltration membrane, and a guide cloth arranged in the inner cavity of the guide cloth. The deflector is composed of a flow ...

Claims

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Application Information

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IPC IPC(8): B01D61/14B01D67/00C02F1/44B01D63/08
CPCB01D61/145B01D63/087B01D67/0093C02F1/444
Inventor 张键李忠成曹爱辉孙传芝
Owner YANGZHOU UNIV
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