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Manufacturing method of chimney exhaust gas dust removal filter cloth

A manufacturing method and filter cloth technology, applied in separation methods, filtration separation, chemical instruments and methods, etc., can solve the problems of increasing the filtration area, reducing the filtration wind speed, unreasonable production and application, etc., and achieve high strength and running resistance The effect of reducing and meeting industrial emission requirements

Active Publication Date: 2015-08-12
LIGHTING TAIWAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

People have used many methods to try to achieve this goal step by step. One is to increase the filtration area and reduce the filtration wind speed. Practice has proved that this method has obvious effects, but due to factors such as investment costs, operating material costs, and site space constraints, etc. , has not been effectively adopted and used
The second is to try to use finer diameter fiber raw materials and finish the surface of the filter material. At present, this method is widely used, but in the actual production process, due to the cost of ultrafine fibers and the limitations of equipment and technology, the production and There are many irrationalities in the application, and the filter material cannot truly achieve the characteristics of high efficiency and low resistance

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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  • Manufacturing method of chimney exhaust gas dust removal filter cloth

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Comparison scheme
Effect test

Embodiment 1

[0019] A method for manufacturing chimney exhaust gas dust removal filter cloth, comprising: using liquid crystal polyarylate fiber yarn to make a fabric layer 1 with a spatial network structure, and performing low-temperature plasma treatment on the fabric layer 1; The weaving process makes the liquid crystal polyarylate fiber into the filter material base 2, performs low-temperature plasma treatment on the filter material base 2, uses the knitting process to weave the fabric layer 1 and the filter material base 2 together; uses the spinning solution to use nanofiber electrospinning The spinning device carries out electrospinning, so that the spinning solution forms a charged jet stream, and the charged spinning solution jet stream is arranged on the surface of the filter material base layer 2 in a disordered manner after stretching, thinning, bending, and splitting. The nanofiber membrane 3 is formed. Due to the high-speed impact of the spinning solution and its own adhesive ...

Embodiment 2

[0022] A method for manufacturing chimney exhaust gas dust removal filter cloth, comprising: using liquid crystal polyarylate fiber yarn to make a fabric layer 1 with a spatial network structure, and performing low-temperature plasma treatment on the fabric layer 1; The weaving process makes the liquid crystal polyarylate fiber into the filter material base 2, performs low-temperature plasma treatment on the filter material base 2, uses the knitting process to weave the fabric layer 1 and the filter material base 2 together; uses the spinning solution to use nanofiber electrospinning The spinning device carries out electrospinning, so that the spinning solution forms a charged jet stream, and the charged spinning solution jet stream is arranged on the surface of the filter material base layer 2 in a disordered manner after stretching, thinning, bending, and splitting. The nanofiber membrane 3 is formed. Due to the high-speed impact of the spinning solution and its own adhesive ...

Embodiment 3

[0025] A method for manufacturing chimney exhaust gas dust removal filter cloth, comprising: using liquid crystal polyarylate fiber yarn to make a fabric layer 1 with a spatial network structure, and performing low-temperature plasma treatment on the fabric layer 1; The weaving process makes the liquid crystal polyarylate fiber into the filter material base 2, performs low-temperature plasma treatment on the filter material base 2, uses the knitting process to weave the fabric layer 1 and the filter material base 2 together; uses the spinning solution to use nanofiber electrospinning The spinning device carries out electrospinning, so that the spinning solution forms a charged jet stream, and the charged spinning solution jet stream is arranged on the surface of the filter material base layer 2 in a disordered manner after stretching, thinning, bending, and splitting. The nanofiber membrane 3 is formed. Due to the high-speed impact of the spinning solution and its own adhesive ...

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 making method of chimney waste gas dedusting and filtering cloth resisting high temperature and corrosion. The making method comprises the steps of making a fabric layer with a space net structure by using liquid crystal polyarylester fiber yarns; making a filter material base layer by using non-weaving processes such as needling, spunlace or hot rolling, knitting the fabric layer with the filter material base layer together by using a knitting process; carrying out electrostatic spinning by using a nano fiber electrostatic spinning device through using a spinning solution to ensure that a polymer solution form a strand of charged jet flow, disorderly arranging the charged polymer solution jet flow on the surface of the filter material base layer through stretching, refining, bending and cleaving to form a nano fiber membrane, forming dedusting and filtering cloth, and carrying out post-treatment as required; and calculating length, cutting and packaging as required.

Description

technical field [0001] The invention relates to a method for manufacturing a chimney exhaust gas dust removal filter cloth. Background technique [0002] At present, in the filtration of industrial flue gas, in order to increase the filtration efficiency, the commonly used measures are: 1. Increase the weight of the filter cloth and improve the density of the filter material, or cover a layer of PTFE microfiber on the surface of the ordinary non-woven fabric. Porous film, due to the increased weight or improved compactness, objectively speaking, the filtration efficiency of the filter material has been improved, but the resistance has also increased, and the energy consumption has increased a lot. Compared with the uncoated film, its filtration accuracy is Due to the significantly smaller pore size, the dust removal efficiency exceeds an order of magnitude, and the emission concentration of industrial smoke is reduced from 30-50mg / m3 to about 5-10mg / m3. However, as the pore...

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): B01D39/08B32B27/36B32B27/06
Inventor 刘国亮毕红军宋晓蕾王春霞宋之农赵红芝宋欢欢宋珊珊
Owner LIGHTING TAIWAN
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