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Internal and external pressure pre-coated dynamic membrane support and dynamic membrane system

A pressure pre-coating, dynamic membrane technology, applied in the field of internal and external pressure pre-coating dynamic membrane supports and dynamic membrane systems, can solve the problems of affecting the water quality, loose bridges, loose soft supports, etc., to achieve quality assurance , not easy to loosen, the effect of improving the quality of the effluent

Active Publication Date: 2017-03-22
上海鑫霖科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It can be seen that the support surface in the prior art is composed of soft screens, non-woven fabrics, etc., and the change in the internal and external pressure difference of the membrane causes the soft support body to loosen, making the bridging loose and affecting the water quality.

Method used

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  • Internal and external pressure pre-coated dynamic membrane support and dynamic membrane system
  • Internal and external pressure pre-coated dynamic membrane support and dynamic membrane system
  • Internal and external pressure pre-coated dynamic membrane support and dynamic membrane system

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Embodiment Construction

[0029] The following will combine Figure 1 to Figure 9 The internal and external pressure pre-coated dynamic membrane support and dynamic membrane system provided by the present invention are described in detail, which are optional embodiments of the present invention. It can be considered that those skilled in the art will not change the spirit and content of the present invention. Revise and polish it.

[0030] Please refer to Figure 1 to Figure 5 , the present invention provides an internal and external pressure pre-coated dynamic membrane support body 1, including a number of ring-shaped sheets 10, a number of ring-shaped sheets 10 are stacked along the Z-axis direction, and assembled and fixed by rods 19, two adjacent There are gaps between the two annular sheets 10.

[0031] exist figure 2 and image 3 In the illustrated embodiment, an upper chamfer surface 11 is provided between the upper end surface 14 of the annular sheet 10 and the inner and outer surfaces 17,...

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Abstract

The invention provides an internal-external pressure pre-coating type dynamic membrane support comprising a plurality of ring sheets. The ring sheets are overlapped along the Z-axis direction and assembled and fixed through rod pieces, and a clearance is formed between every two adjacent ring sheets.

Description

technical field [0001] The invention relates to a dynamic membrane system, in particular to an internal and external pressure pre-coating type dynamic membrane support body and a dynamic membrane system. Background technique [0002] In the 21st century, water treatment membrane separation technology has become more and more widely used. Dynamic membrane separation technology has become a hot spot in current membrane research due to its relatively low investment cost, easy control of membrane fouling, and low energy consumption. [0003] Dynamic membrane (Dynamic membrane) can also be called secondary membrane (second membrane), which refers to a new membrane formed on the surface of microfiltration membrane, ultrafiltration membrane or large-pore support by precoating agent or activated sludge. The formation of a dynamic membrane can slow down the clogging (Block) and membrane fouling (Fouling) of the microfiltration membrane, ultrafiltration membrane, or improve the reten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D69/10B01D69/14C02F1/44
Inventor 罗文峰
Owner 上海鑫霖科技有限公司