Sewage filter

A sewage filter and sewage pipe technology, applied in the direction of fixed filter elements, filter separation, chemical instruments and methods, etc., can solve the problems of substitute products, no performance, difficult maintenance and repair of sewage filters, etc., to achieve low Loss, water saving efficiency improvement effect

Inactive Publication Date: 2007-08-01
陈子耀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes maintenance and repair of traditional sewage filters difficult
So far, no good alternatives have emerged

Method used

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Embodiment Construction

[0022] Referring to FIG. 1 , an embodiment of the sewage filter of the present invention includes a filter box composed of an upper box 2 and a lower box 1 . The lower box 1 is used for primary filtration, and the upper box 2 is used for secondary filtration. The bottom of the lower case 1 is provided with a sewage pipe 3, the side wall is provided with a clean water pipe 4, and the bottom of the upper case 2 is provided with a sewage pipe 5 connected with a mud pump 15.

[0023] Filter screen comprises the lower filter screen 11 of plate type that is fixed on lower case 1 inwall, the cylindrical net cover 12 that is fixed on lower filter screen 11 tops and the net cover 20 that is fixed on upper case 2 bottoms. The inlet of the sewage pipe 5 is arranged in the inside of the net cover 20 .

[0024] In the embodiment of the sewage filter of the present invention, a return pipe 16 is connected to the side wall of the lower part of the upper box 2, and a pressure pump 22 and an ...

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Abstract

A sewage filter is composed of a filtering case with backwater tube, a filtering net, a washing unit for secondary filtering and its driver unit, a pressure pump connected to said backwater tube, and a controller with single-chip microprocessor for outputting various control signals for secondary filtering. Said washing unit has vertical tube and internal tube arranged along said filtering net and with nozzles. Its advantages are high automation level and secondary filter function.

Description

technical field [0001] The invention relates to sewage treatment technology, in particular to a sewage filter. Background technique [0002] The traditional sewage filter takes away a large amount of liquid with the removal of impurities during the process of filtering sewage, that is to say, it consumes water. This makes the efficiency of the traditional sewage filter low, and the water saving rate is poor, which cannot meet the current increasing environmental protection and water saving requirements. During the working process, once the impurities are stuck in the mesh of the filter, there is no way to deal with it except to replace the filter. This makes maintenance and repair of conventional sewage filters difficult. So far, no good alternatives have emerged. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects and provide a sewage filter that does not require manual intervention, has high automation per...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/11B01D29/50B01D29/62
Inventor 陈子耀
Owner 陈子耀
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