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Filter device for sewage treatment

A filter device and sewage treatment technology, which is applied in water/sewage treatment, water/sludge/sewage treatment, filtration and separation, etc., can solve the problems of secondary pollution of clean water, poor filtration effect, waste of energy, etc., and achieve convenient reaction Effects of flushing, reliable performance, and reduced energy consumption

Inactive Publication Date: 2009-11-11
大连金洋环境工程有限公司
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  • Abstract
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Problems solved by technology

[0002] For industrial and civil sewage treatment, the commonly used equipment for sewage filtration treatment is sand filter, walnut shell filter, etc. These filtration equipment are generally large in size and poor in filtering effect. To deal with blockage, a large amount of clean water is required for backwashing, which in turn causes secondary pollution and waste of a large amount of clean water, and the polluted water must be reprocessed, wasting energy

Method used

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  • Filter device for sewage treatment
  • Filter device for sewage treatment

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing:

[0012] Such as figure 1 , 2 As shown, the filter element of the filter device is made of superimposed stainless steel filter plates 1. In order to save processing materials, the filter element is processed into a quadrangular prism, which can also be a cylinder or a polygonal prism. The cross-section of the hollow cavity of the filter element is circular, and the inner spherical crown-shaped head 2 and the inner spherical crown-shaped head 3 are arranged on the upper and lower ends of the superimposed filter plate, and the inner surfaces of the through head and the head can also be Cone slope, this structural design can improve the pressure balance in the chamber. The filter plate, the through head and the end cap are connected into one body through the screw rod 6 . The inner and outer surfaces of the filter element are provided with annular grooves 4 at certain interva...

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Abstract

The invention relates to a filter device for sewage treatment, comprising a filter core. The upper end and the lower end of the hollow filter core formed by stacking filter plates are respectively connected with an open head and a closed head, the inner surface and the outer surface of the filter core are respectively provided with circular grooves at a certain intervals along the axis direction, and an inflatable airbag is mounted in the hollow cavity. The invention has the advantages of simple structure, good filtration effect, reliable performance, and the like, is convenient for backwash, realizes pressure equalization and filter gap balance in the backwash process and prolongs the service life of the filter core.

Description

Technical field [0001] The invention relates to a water treatment device, in particular to a filter device for treating industrial and civil sewage. Background technique [0002] For industrial and civil sewage treatment, the commonly used equipment for sewage filtration treatment is sand filter, walnut shell filter, etc. These filtration equipment are generally large in size and poor in filtering effect. To deal with the blockage, a large amount of clean water needs to be used for backwashing, which in turn causes secondary pollution and waste of a large amount of clean water, and the polluted water must be reprocessed, wasting energy. Contents of the invention [0003] The purpose of the present invention is to provide a sewage treatment filter device with simple structure, good filtering effect and saving water resources. [0004] In order to achieve the above object, the filter device for sewage treatment of the present invention includes a filter element, which is ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/46C02F1/00
Inventor 曹天文孙善林
Owner 大连金洋环境工程有限公司
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