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Preparation method for stitch gluing type flue gas filter bag

A filter bag and gluing technology, applied in separation methods, dispersed particle filtration, chemical instruments and methods, etc., can solve the problems of pinhole leakage and the inability of filter bags to effectively remove dust, so as to increase the tortuosity and improve the resistance to dust erosion and wear. Sexuality, the effect of improving tolerance

Inactive Publication Date: 2017-05-03
南京际华三五二一环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, because the particles of the flue gas are small, the fine particles are easy to leak from the pinholes at the sewing stitches of the filter bag filter material, and due to the high working pressure of the filter bag, the sewing thread needles of the filter material The holes in the traces will be continuously washed and worn by the fine particles in the flue gas, and the holes of the pinholes will continue to grow, which will cause the filter bag to be unable to effectively remove dust due to excessive leakage of the pinholes after a period of use

Method used

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  • Preparation method for stitch gluing type flue gas filter bag

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Embodiment Construction

[0017] Such as figure 1 As shown, the high-performance fiber (the preferred aramid fiber in this embodiment) is added to the base cloth (the preferred polytetrafluoroethylene base cloth in this embodiment) after opening, mixing, carding, laying, and netting, the total gram of base cloth Weight is 130g / m 2 , for spunlace, to obtain a total grammage of 530g / m 2 Filter material plain felt; cut the filter material plain felt to the required width, and use the sewing line to sew the filter material plain felt to form a seam bag; set up a photoelectric sensor and a rubber preparation device at the outlet of the seam bag, among which The photoelectric sensor is connected to the gluing equipment. When the seam bag is moving, the infrared ray on the photoelectric sensor detects the movement signal, and the glue preparation device is started to press the glue to the nozzle, and the nozzle applies glue to the stitches of the seam bag. , in order to achieve uniform coating, a squeegee c...

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Abstract

The invention relates to the technical field of preparation method of filter bags, and in particular, relates to a preparation method for a stitch gluing type flue gas filter bag, wherein the method includes the steps: S1, opening, mixing, carding, mesh-placing and mesh-interconnecting high-performance fibers, then adding a base fabric, and carrying out acupuncture or spunlace, to obtain a filter material plain felt: S2, cutting the filter material plain felt to the required width, sewing the filter material plain felt by sewing lines to form a sewed bag; S3, outgoing lines of the sewed bag, and evenly coating the stitch of the sewed bag with a glue liquid; and S4, transferring the sewed bag coated with the glue liquid to head adding and bottom adding processes, and finally completing the production process of the filter bag. The flue gas filtering dust leakage rate of the filter bag after plug holes are glued is greatly reduced, and the service life is greatly prolonged.

Description

technical field [0001] The invention relates to a preparation process of a filter bag, in particular to a preparation method of a stitch glue-coated smoke filter bag. Background technique [0002] As the country has become more and more strict on environmental protection, people have paid more and more attention to the comprehensive treatment technology of industrial smoke and dust pollution. When comprehensively controlling high-risk (combustible and explosive) smoke and dust in industries such as iron and steel smelting, waste incineration, coal-fired power plants, cement, and chemicals, the bag-type dust removal technology can meet environmental protection emission requirements due to its high filtration efficiency and long service life. It is widely used in the field of industrial smoke control. [0003] In the bag type dust removal technology, the filter material of the filter bag is the "heart" of the bag type dust removal, and its performance determines the stability...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/00B01D46/02D05B93/02
CPCB01D46/0001B01D46/023B01D2258/0283D05B93/02
Inventor 张国富刘建祥何文荣陈德平阳建军
Owner 南京际华三五二一环保科技有限公司
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