A rapidly replaceable filter screen for sewage treatment

A technology of sewage treatment and filter screen, which is applied in the direction of filtration separation, membrane filter, fixed filter element filter, etc. It can solve the problems of easily damaged seals, poor filter screen sealing, and difficulty in replacing ordinary filter screens, etc., to achieve Good sealing effect, saving manpower and time, convenient and quick operation

Active Publication Date: 2021-04-06
广州市海珠羊城环保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a quick-replaceable filter screen for sewage treatment, which effectively solves the difficulty of replacing ordinary filter screens and the poor or easy sealing of quick-change filter screens. Problems with damaged seals

Method used

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  • A rapidly replaceable filter screen for sewage treatment
  • A rapidly replaceable filter screen for sewage treatment
  • A rapidly replaceable filter screen for sewage treatment

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Embodiment Construction

[0021] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] Depend on Figure 1 to Figure 14 It can be seen that the present invention includes a square filter screen 1, an annular groove 2 is respectively opened on the outer edge surface of the left and right ends of the filter screen 1, and an inflatable sealing ring 3 is set inside each annular groove 2, and the left and right end surfaces of the filter screen 1 Each has a groove, and each inflatable sealing ring 3 is connected with a first sleeve 4 communicating with its internal cavity, and the non-connecting end of each first sleeve 4 vertically extends into the groove on the corresponding side , there is a piston 5 in each first sleeve 4, the piston 5 can move up and down in the first sleeve 4 and its lower end is placed outside the first sleeve 4; The inside moves left and right and one end can protrude from the s...

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Abstract

The invention relates to a quick-replaceable filter screen for sewage treatment, which effectively solves the problems of difficulty in replacing common filter screens and poor sealing performance of quick-change filter screens or easy damage to seals; the technical solutions include: The filter is replaced by pulling. When the replaced filter is completely pulled out of the sewage treatment pipe, the clean filter is installed in place. The operation of changing the filter is convenient and quick, saving manpower and time. Sealing between them can not only achieve a good sealing effect, but also can deflate the inflatable sealing ring first when replacing the filter screen. The deflated inflatable sealing ring will not produce resistance when pulling the filter screen, and will When the filter screen is used, the inflatable sealing ring will not be worn out, so that the inflatable sealing ring can be reused and resources are saved.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a rapidly replaceable filter screen for sewage treatment. Background technique [0002] When the sewage is treated, the large impurities or floating objects in the sewage will be filtered first. The filter screen is generally used to filter the sewage. When the filter screen is blocked, the flow of water will be blocked and the efficiency of sewage treatment will be reduced. When the filter screen is damaged Occasionally, large impurities or floating objects will pass through the filter screen, reducing the quality of filtration; the replacement process of ordinary filter screens is complicated and requires the cooperation of multiple people, wasting manpower and time, and the rapid replacement of filter screens has poor sealing performance and causes sewage leakage. Or the sealing effect is good but the resistance produced by the seal is relatively large when the filter screen is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/96B01D35/02
CPCB01D29/96B01D35/02B01D2201/345
Inventor 安呈波
Owner 广州市海珠羊城环保有限公司
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