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A filter cloth applied to high-purity extraction of non-ferrous metals and its weaving method

A non-ferrous metal, high-purity technology, applied in separation methods, chemical instruments and methods, filtration and separation, etc., can solve the problems of low continuous production efficiency, insufficient filter cloth retention accuracy, and high moisture content in filter cakes, and achieve firm dimensional stability. , The effect of increasing retention accuracy and high drainage rate

Active Publication Date: 2016-04-27
厦门厦迪亚斯环保过滤技术有限公司
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Problems solved by technology

At present, the filter cloth used at home and abroad cannot fully meet the requirements, and there are problems such as high moisture content of filter cake, low retention efficiency, and low continuous production efficiency. The main reasons for these problems are: 1) The retention accuracy of filter cloth is not enough, Material penetration is serious; 2) In order to meet the interception accuracy requirements of the filter cloth, the water permeability rate of the filter cloth is sacrificed

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A filter cloth applied to high-purity extraction of non-ferrous metals and its weaving method
  • A filter cloth applied to high-purity extraction of non-ferrous metals and its weaving method
  • A filter cloth applied to high-purity extraction of non-ferrous metals and its weaving method

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Embodiment Construction

[0028] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0029] see Figure 1~Figure 3 , is an electron microscope enlarged view of the front, back and sides of a filter cloth with 2 / 2 twill on the surface and double texture on the lower layer, which is applied to the high-purity extraction of nonferrous metals according to an embodiment of the present invention.

[0030] It is used in the filter cloth for high-purity extraction of non-ferrous metals. The multifilament of the filter cloth is made of ultra-fine denier porous polypropylene multifilament. It is any one of plain weave, twill weave, satin weave or all multi-layer fabric structures, and the high temperature range is 120~220°C.

[0031] Compared with the existing filter cloth made of ordinary polypropylene material, the fiber denier i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a filter cloth used in high-purity extraction of nonferrous metals. The multifilament of the filter cloth adopts ultra-fine denier porous polypropylene multifilament. The texture structure of the filter cloth is any one of plain weave, twill weave, satin weave or all multi-layer fabric structures, and the high temperature range is 120~220°C. The present invention makes full use of the advantages of ultra-fine denier porous polypropylene multifilaments with fine single fiber and large number of holes in a single bundle of multifilaments, adopts the process of high-temperature instantaneous polymerization surface treatment, and the woven filter cloth has high interception precision and good filter cake peeling Excellent acid and alkali resistance, good hydrophobicity. The invention also discloses the weaving method of the filter cloth.

Description

technical field [0001] The invention relates to a filter cloth used for high-purity extraction of nonferrous metals and a weaving method thereof. Background technique [0002] Non-ferrous metals are essential basic materials and important strategic materials for national economy, people's daily life, national defense industry, scientific and technological development. Agricultural modernization, industrial modernization, national defense and scientific and technological modernization are inseparable from non-ferrous metals. For example, most of the components or components required for cutting-edge weapons such as aircraft, missiles, rockets, satellites, and nuclear submarines, as well as cutting-edge technologies such as atomic energy, television, communications, radar, and electronic computers are made of light metals and rare metals in non-ferrous metals; in addition, Without nickel, cobalt, tungsten, molybdenum, vanadium, niobium and other non-ferrous metals, there is n...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/16
Inventor 侯王辉关太平林丽艳
Owner 厦门厦迪亚斯环保过滤技术有限公司
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