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Automatic cleaning screen filter

A mesh filter, automatic cleaning technology, applied in the direction of fixed filter element, gravity filter, filtration and separation, etc., can solve the problems of poor backwashing effect, easy damage to the filter screen, large backwashing pressure loss, etc.

Active Publication Date: 2009-11-18
丹东北方环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This automatic cleaning screen filter solves the shortcomings of the original filter, such as poor backwashing effect, large backwashing pressure loss, and easy damage to the filter screen, and improves the life of the filter screen and the backwashing effect.

Method used

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Examples

Experimental program
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Embodiment Construction

[0011] The automatic cleaning mesh filter includes: motor reducer 1, lifting ring 2, upper end cover 3, elastic spiral backwashing mechanism 4, fine filter mesh cylinder 5, high-strength lining cylinder 6, clean water outlet 7, coarse filter mesh cylinder 8 , Hand hole 9, manual drain valve 10, automatic drain valve 11, housing 12, water inlet 13, sealing mechanism 14, coupling 15, differential pressure detection device 16.

[0012] The invention is a self-cleaning mesh filter, in which a coarse filter mesh cylinder and a fine filter mesh cylinder are arranged in the same filter, the filter mesh cylinder is equipped with a reinforced lining cylinder outside, and the fine filter is equipped with an elastic spiral contact type reverse filter. washing mechanism. Its working conditions are as follows: a high-strength liner 6 is installed in the upper part of the filter housing 12, a fine filter screen cylinder 5 is installed in the high-strength liner 6, a coarse filter 8 is insta...

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Abstract

The invention discloses an automatic cleaning net filter used in an environmental protection water treatment system. It consists of a motor reducer 1, a suspension ring 2, an upper end cover 3, an elastic spiral backwash mechanism 4, a fine filter cylinder 5, a high-strength lining cylinder 6, a clean water outlet 7, a coarse filter cylinder 8, and a hand hole 9. The manual drain valve 10, the automatic drain valve 11, the housing 12, the water inlet 13, the sealing mechanism 14, the coupling 15, and the differential pressure detection device 16 are composed. It is characterized by the addition of an elastic spiral backwashing mechanism and a high-strength lining cylinder to achieve high backwashing efficiency of the filter cylinder and increase the life of the filter during use.

Description

technical field [0001] The invention relates to an automatic cleaning net filter used for removing impurities with different particle sizes in water in circulating water treatment and production process water treatment systems, thereby protecting the safe operation of water equipment and ensuring the water quality of circulating water. Background technique [0002] The applicant's previous self-cleaning mesh filter mainly used a single-stage filter mesh cylinder, that is, there is only one set of fine filter mesh cylinder in the filter, which directly filters the sewage at one time, and the backwashing mechanism adopts a rigid non-contact linear shape Structure, there is no high-strength liner outside the filter cylinder. The main disadvantages of this type of filtration are: 1. The impurities that are larger than the gap of the suction nozzle of the backwash mechanism cannot be sucked into the pipe of the backwash mechanism during backwash and discharged to the filter throug...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/31B01D29/66C02F1/00
Inventor 丛安生姜春波朱卫平王丛业刘哲张晓光
Owner 丹东北方环保工程有限公司