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Filter compound material, method for the production thereof and flat filter elements made of the filter compound material

A composite material, filter element technology, applied in the direction of filtration separation, separation methods, chemical instruments and methods, etc., can solve problems such as cracks and delamination of filter membranes

Active Publication Date: 2011-04-06
迈纳德膜技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

E.g. increased internal pressure often causes cracks and delamination of the filter membrane

Method used

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  • Filter compound material, method for the production thereof and flat filter elements made of the filter compound material
  • Filter compound material, method for the production thereof and flat filter elements made of the filter compound material
  • Filter compound material, method for the production thereof and flat filter elements made of the filter compound material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] exist figure 1 The filter composite 10 shown in includes a first filter membrane 1, a first bonded web 2 made of a thermoplastic polymer, a drainage fabric 3, a second The mesh 4 and a second filter membrane 5 are bonded. The filter membranes 1 and 5 are connected to the drainage fabric 3, for example by thermal or ultrasonic welding, adhesive bonding, machine sewing or mechanical clamping. Connecting lines or seams are indicated schematically by reference numerals 6 , 7 .

[0038] exist figure 1 The filter composites shown in figure 2 A continuous strip material 20 is produced by the apparatus schematically shown in . To this end, a first filter membrane belt 11, a first bonded mesh belt 12, a drainage fabric belt 13, a second bonded mesh belt 14 and a second filter membrane belt 15 are respectively placed on a plurality of storage rolls. A pair of press rollers 16, 17 are combined in a belt-like stack. The stack passes through a pair of heated rollers 31 , 32 (...

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Abstract

A filter compound material (10) comprises a first and second filtration membrane (1, 5) and a drainage material (3) arranged therebetween. The drainage material (3) and the filtration membranes (1, 5) are laminated by means of adhesive nets (2, 4). A flat filter element is made as a blank from the filter compound material and has a geometric shape adapted to the respective use.

Description

technical field [0001] The invention relates to a filter composite comprising a drainage fabric with a first and a second filter membrane laminated to the upper and lower sides of the drainage fabric, the invention also relates to It relates to a method for producing the filter composite material and a flat filter element produced thereby. Background technique [0002] Filter composite materials are known in the prior art and are used for the manufacture of flat filter elements, wrap-around filters and the like. Conventional filter systems for sewage purification comprise flat filter elements which are arranged in parallel at a distance from one another. The flat filter elements are designed as mats or cassettes in which a drainage structure designed as a flexible fabric or rigid plate is surrounded on both sides by a filter membrane. Filter membranes are usually constructed as a two-layer composite structure of a support nonwoven layer and a porous membrane layer. The re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/66
CPCB01D2325/24B01D69/06B01D63/081Y10T156/10B01D69/061
Inventor U·迈尔-布卢门洛特E·曼R·福格特
Owner 迈纳德膜技术有限公司
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