Composite acupuncture filter bag used for smoke treatment of ceramic kiln

A flue gas treatment and ceramic kiln technology, applied in the direction of filtration and separation, dispersed particle filtration, dispersed particle separation, etc., can solve the problems that affect the safety of the fan, easy damage of the filter bag, corrosion of the elastic expansion ring, etc., to achieve small resistance, Long service life, the effect of extending the service life

Active Publication Date: 2010-04-21
山东兴国新力环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The filter bags made of ordinary polyester needle-punched felt disappear after 2-3 days of use, leaving only the skeleton; the filter bags made of water-repellent and oil-proof needle-punched felt can be used for about a month, and the filter bags made of acrylic filter material can only be used for 2-3 1. Polytetrafluoroethylene (PTFE) filter material filter bag has good performance, but the price is high. The composite needle-punched felt made of polypropylene and polyester has good cohesion of the felt layer, but the strength of the base cloth is not high. The filter bag made of it also fragile
In addition, the elastic ring used for the mouth of the bag is severely corroded. After about 3 months of use, the ring disappears.
The filter bag is damaged, the dust leaks, and even the fan surge occurs. The fan load is large and the power consumption is high, which affects the safety of the fan.

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] a. The base fabric is made of alkali-free 30 glass fiber woven fabric;

[0065] b. Short fibers for needle punching include the following raw material components in parts by weight:

[0066] Polypropylene fiber 30

[0067] Polyphenylene sulfide fiber (PPS) 10

[0068] 80 counts of glass staple fiber yarn 60;

[0069] c. The surface chemical treatment agent includes the following raw material components in parts by weight:

[0070] Polytetrafluoroethylene emulsion, solid content 50wt% 16

[0071] Polyacrylate emulsion, solid content 50wt% 14

[0072] Coupling agent A-151 0.8

[0073] Antistatic agent SN 0.6

[0074] water balance;

[0075] Use the known non-woven needle punching technology to needle the short fibers and the base cloth to form a composite needle-punched felt. The plain felt is dipped and coated with a surface chemical treatment agent, and then dried and cured at high temperature (about 220 ° C), and then processed according to the known method. The ...

Embodiment 2-6

[0082] According to the method and steps of Example 1, the components shown in Table 1 were used to prepare the composite needle-punched filter bag for ceramic kiln flue gas treatment of the present invention.

[0083] Table 1

[0084] Raw materials and testing items

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PUM

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Abstract

The invention discloses a composite acupuncture filter bag used for smoke treatment of a ceramic kiln. Short fibers and base fabrics are acupunctured by adopting non-woven acupuncture technology to form a composite acupuncture plain felt, the plain felt is soaked and coated by adopting a surface chemical treatment agent, and then the plain felt is dried and cured at a high temperature and is tailored and sewn to form the filter bag, wherein the base fabrics adopt 30-count alkali-free glass fiber woven fabrics; the short fibers for acupuncture comprise polypropylene fibers, polyphenylene sulfide fibers and 80-count short glass fiber yarns; and the surface chemical treatment agent comprises polytetrafluoroethylene emulsion, polyacrylic ester emulsion, coupling agent, antistatic agent and water. The invention provides the composite acupuncture filter bag used for the smoke treatment of the ceramic kiln, which has the advantages of moisture resistance, good acid corrosion resistance, long service life, high strength of the base fabrics and lower production cost. The problems of poor moisture resistance, poor corrosion resistance, low strength, short service life and high production cost of the filter bag in the prior art are solved. The filter bag is suitable for dust removal and purification treatment for the smoke of the ceramic kiln.

Description

technical field [0001] The invention relates to a composite needle-punched filter bag for flue gas treatment of a ceramic kiln and a processing method thereof, and belongs to the technical field of dust-removing and filtering devices made by intertwining fibers with each other through a needle-punching method. Background technique [0002] Ceramic kiln flue gas has high temperature, complex chemical composition, high humidity and strong acid corrosion. The technical requirements for dust filter bags are relatively high. The filter bags made of ordinary polyester needle-punched felt disappear after 2-3 days of use, leaving only the skeleton; the filter bags made of water-repellent and oil-proof needle-punched felt can be used for about a month, and the filter bags made of acrylic filter material can only be used for 2-3 1. Polytetrafluoroethylene (PTFE) filter material filter bag has good performance, but the price is high. The composite needle-punched felt made of polypropy...

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 Applications(China)
IPC IPC(8): B01D39/16B01D46/02
Inventor 张茂奎
Owner 山东兴国新力环保科技股份有限公司
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