Differential filter automatic flushing sewage purifying device

An automatic flushing and sewage purification technology, which is applied in the direction of filtration and separation, fixed filter elements, chemical instruments and methods, etc., can solve the problems that affect the service life of the filter screen, cannot achieve high precision, and the filter screen loses water permeability, etc., to achieve High filtration accuracy and long service life

Inactive Publication Date: 2008-03-26
山东亿同多欧纸业投资有限公司
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Problems solved by technology

[0002] At present, in the domestic water treatment market, there are many brands of "automatic backwash" differential pressure filters (also known as self-cleaning filters). Whether imported or domestic, they are similar in process structure. Impurities that are firmly attached or clogged in the filter channel cannot be removed, a

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  • Differential filter automatic flushing sewage purifying device

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[0015] Below in conjunction with accompanying drawing and concrete example for further description:

[0016] As shown in the figure, the pressure difference filtration automatic flushing sewage purification device of the present invention includes a base 1, a raw water pump, a body installed on the base 1, a driving mechanism 2 and an electric control mechanism 3, wherein the body is composed of a stirring mixing area and a filtering area. The stirring and mixing zone includes a stirring device 4 driven by a driving mechanism 2, an additive filling port 5 and a raw water inlet 6, and the filtering zone includes a filtering mechanism 7, a slagging mechanism connected to a sewage outlet 8, a clean water outlet 9, and a backwashing mechanism 10; The filter mechanism 7 includes a coarse filter screen and a differential pressure fine filter screen. The backwash mechanism 10 is fitted on the outside of the differential pressure fine filter screen. Pressure transmitters 11 are install...

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Abstract

The present invention relates to a differential pressure filtration auto-flushing sewage-cleaning equipment. Said equipment includes base seat, water pump, machine body mounted on the base seat, drive mechanism and electric control mechanism. Said machine body is formed from stirring-mixing zone and filtration zone, said stirring-mixing zone includes a stirring device which is driven by drive mechanism, an adjuvant injection hole and a water inlet, and the filtration zone includes a filtration mechanism, a residue-discharging mechanism, a clean water outlet and a back-flushing mechanism, and it is characterized by that said filtration mechanism includes a prefiltration screen and a differential pressure type fine filtration screen.

Description

technical field [0001] The invention relates to a sewage purification treatment device, in particular to a pressure difference filter automatic flushing sewage purification device. Background technique [0002] At present, in the domestic water treatment market, there are many brands of "automatic backwash" differential pressure filters (also known as self-cleaning filters). Whether imported or domestic, they are similar in process structure. Impurities that are firmly attached or blocked in the filter channel cannot be removed, and accumulate over time, eventually making the filter lose its water permeability and affecting the service life of the filter. It is precisely because of the limitation of this cleaning method that the filtration precision of these products cannot be made higher, and the claimed high precision is just an ideal that cannot be realized. The existing differential pressure filter includes a base, a body installed on the base, a driving mechanism and a...

Claims

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Application Information

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IPC IPC(8): B01D29/66B01D35/143B01D37/04
Inventor 李朝旺
Owner 山东亿同多欧纸业投资有限公司
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