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Membrane element

A technology of membrane elements and membrane shells, which is applied in the field of water treatment, can solve the problems of reduced service life and affecting the filtration efficiency of membrane elements, and achieve the effects of reducing costs, saving waste water ratio devices, and preventing clogging

Active Publication Date: 2017-08-08
A O SMITH (CHINA) ENVIRONMENTAL PRODUCTS CO LTD
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

However, during long-term use, it is found that some or more pollutants or sediments may accumulate at the wastewater outlet of the membrane in the membrane element, which affects the filtration efficiency of the membrane element and reduces its service life.

Method used

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Embodiment Construction

[0036] The details of the present invention can be understood more clearly with reference to the accompanying drawings and the description of specific embodiments of the present invention. However, the specific embodiments of the present invention described here are only for the purpose of explaining the present invention, and should not be construed as limiting the present invention in any way. Under the teaching of the present invention, the skilled person can conceive any possible modification based on the present invention, and these should be regarded as belonging to the scope of the present invention.

[0037] figure 2 It is the front view of the membrane element of the present invention, such as figure 2 As shown, the present invention discloses a membrane element, which includes: a filter membrane 11, the filter membrane 11 has a raw water flow channel and a pure water flow channel isolated from each other, and the outlet of the raw water flow channel is located on ...

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Abstract

The invention discloses a membrane element which comprises a filtering membrane and a membrane protective device, the filter membrane is provided with a raw water flow channel and a pure water flow channel which are mutually separated, the outlet of the raw water flow channel is located at at least one side edge of the filter membrane, the membrane protective device sleeves outside the filter membrane, the membrane protective device is provided with at least one opening communicated with the outlet of the raw water flow channel, and a fluid flowed from the outlet of the raw water flow channel is led out of the membrane protective device by the membrane protective device via the opening. The membrane element can reduce the deposition of pollutants at the outlet of the raw water flow channel of the filter membrane, and the service life of the membrane element can be effectively prolonged.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a membrane element. Background technique [0002] The common application form of filtration membrane technology in water treatment is generally made of spiral-wound membrane elements, also known as spiral-wound membrane elements. The opening side of the coiled membrane element is bonded to the central tube with openings, and the membrane element is wound on the central tube at the same time, so that the feedwater flow flows through the outside of the filter membrane, and under the feedwater pressure, the fresh water enters through the membrane element. inside the central tube. [0003] The invention patent with the Chinese patent publication number CN102976447A discloses a membrane element, figure 1 It is a schematic diagram of the appearance of a membrane element in the prior art of the above-mentioned patent. Such as figure 1 As shown, there is a central tube in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44
CPCC02F1/44B01D65/08Y02A20/131
Inventor 黄燕薛莲王晨
Owner A O SMITH (CHINA) ENVIRONMENTAL PRODUCTS CO LTD
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