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Filter element

A filter element and inner core technology, which is applied in fixed filter element filters, filtration and separation, water/sludge/sewage treatment, etc. The effect of low differential pressure

Inactive Publication Date: 2008-07-16
KUSN HUAKE MEMBRANE & ENVIRONMENTAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, biofiltration membranes are usually thinner and much softer than ordinary filtration membranes, making them more difficult to use

Method used

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Embodiment

[0017] As shown in Figures 1 and 2, a filter element 11 includes a porous stainless steel inner core 1 and a biological filter membrane 2 arranged on the periphery of the porous stainless steel inner core 1, and the filter element also includes a porous stainless steel inner core 1 arranged at intervals. A plurality of inner ring stainless steel brackets 3 and a plurality of outer ring stainless steel brackets 4 on the periphery, the spacing between every two adjacent inner ring stainless steel brackets 3 is equal, and the spacing between every two adjacent outer ring stainless steel brackets 4 equal. Inner ring stainless steel brackets 3 and outer ring stainless steel brackets 4 are staggered, and the distance between two adjacent inner ring stainless steel brackets is smaller than the distance between adjacent two outer ring stainless steel brackets; the biological filter membrane is γ - polyglutamic acid composite membrane, its pore size is 0.7 μ m, biological filtration me...

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Abstract

The invention relates to a filter element, comprising a porous stainless steel core, a biological filtering film arranged at the periphery of the porous stainless steel core, a plurality of inner circle stainless steel brackets and a plurality of outer circle stainless steel brackets that are arranged at the periphery of the porous stainless steel core at intervals; the biological filtering film gets around the outer circle stainless steel brackets and the adjacent inner circle stainless steel brackets in sequence until all the inner circle stainless steel brackets and the outer circle stainless steel brackets are winded. Adopting the filter element of the structure by fixing and folding the biological filtering film with two circles of stainless steel brackets has the advantages of large filtering area, large pollutant carrying capacity, low pressure difference and long service life of the filtering film.

Description

technical field [0001] The invention relates to a filter element, in particular to a folded filter element, which belongs to the field of waste water treatment. Background technique [0002] Heavy metals are one of the main pollutants in the water environment, mainly from electroplating, mining, metallurgy, chemical industry, printing and dyeing and other industries, and are potentially harmful, especially heavy metals such as mercury, cadmium, lead, and lead have significant biological toxicity. Concentration can produce toxicity. [0003] The traditional treatment of industrial wastewater containing heavy metals is mainly by adjusting the wastewater to alkaline, and adding some chemical flocculants and coagulants to make the metal ions settle in solid form, and the supernatant is discharged after being filtered by a filter membrane. However, the filtration efficiency of ordinary filter membranes is usually too low, and there will be a lot of metal sludge on the membrane, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/21B01D63/14C02F3/00
Inventor 郭大磊吴自荣孙玉华
Owner KUSN HUAKE MEMBRANE & ENVIRONMENTAL TECH
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