CN101314090B - Electrostatic resistant and meshes intersection point fixed mesh screen, and producing method thereof - Google Patents
Electrostatic resistant and meshes intersection point fixed mesh screen, and producing method thereof Download PDFInfo
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- CN101314090B CN101314090B CN2007100414327A CN200710041432A CN101314090B CN 101314090 B CN101314090 B CN 101314090B CN 2007100414327 A CN2007100414327 A CN 2007100414327A CN 200710041432 A CN200710041432 A CN 200710041432A CN 101314090 B CN101314090 B CN 101314090B
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- screen cloth
- antistatic
- meshes
- intersection point
- sieve
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Abstract
The invention discloses an antistatic sieve with fixed mesh intersection points and a production method thereof. The antistatic sieve is characterized in consisting of a sieve and an adhesive mixture layer coated on the surface of the sieve, wherein the sieve is coated on the surface with an antistatic mixture which can prevent the static effect caused by materials friction during filtration, thereby avoiding mesh clogging and consequently improving powder yield rate; meanwhile, the mesh intersection points are bonded and fixed, as helps to avoid mesh pores deviation caused by materials extrusion and brush cleaning during the long-time use of the sieve and keep the shape of the mesh pores, thereby ensuring even grain size of powder passing through the sieve. Thus the sieve meets the Chinese standards of GB/T14014-2005.
Description
Technical field
The present invention relates to a kind of filtration with synthetic fibers screen cloth product, more particularly, relate to a kind of employing Polyamide Yarns or dacron thread through the woven screen cloth product of gripper shuttle loom.
Background technology
Fabric fibre class screen cloth, be always processing such as food, medicine, pulverulent material must use instrument, GB GB/T14014, GB2014-80, GBn92-93-80 have all stipulated classification, requirement, the test method of screen cloth product, inspection rule etc.
Yet in prior art, in the screen cloth sieving powder process, powder and screen surface rub and produce static, cause dust to be adsorbed on the compass screen surface, cause mesh to stop up, and flour extraction is reduced; On the other hand, screen cloth is filtering under the pressure and is cleaning with water under the effect because of dust in long-time the filtration, meshes intersection point is subjected to displacement, cause the aperture size variation, the powder granule size that sieving is gone out is uneven, do not reach GB GB/T14014-2005 standard-required (warp-wise ± 2.0, broadwise ± 5.0) or requirement of client.
Summary of the invention
The technical issues that need to address of the present invention are to disclose fixing screen cloth of a kind of antistatic and meshes intersection point and preparation method thereof, to overcome the defective that prior art exists.
The said antistatic screen cloth of fixing with meshes intersection point of the present invention comprises screen cloth and the coated gluing mixed layer in screen surface; Said gluing mixed layer is the coating that forms by after the gluing mixed layer coating medium drying;
Said gluing mixed layer coating medium contains the component of following weight ratio percentage:
Water-soluble thermosetting list liquid polyacrylate 7～13%
Sodium fluoborate 0.5～0.8%
Bleeding agent 0.01～0.3%
Antistatic additive 0.05～0.35%
Water surplus.
Said polyacrylate is a water-soluble thermosetting list liquid, can adopt the commercially available prod, as the product of Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing's production;
Said bleeding agent is selected from penetrant t (aerosol-OT salt) or penetrating agent JFC (condensation product of oxirane and higher aliphatic), all can adopt the commercially available prod;
Said antistatic additive is selected from antistatic additive SN (octadecyl dimethyl ethoxyl quaternary ammonium salt) or antistatic agent TM (quaternary sun lotus activating agent), all can adopt the commercially available prod;
The manufacture method of the screen cloth that antistatic and meshes intersection point of the present invention can be fixed, may further comprise the steps: with water-soluble thermosetting list liquid polyacrylate, sodium fluoborate, bleeding agent, antistatic additive and water, mix, obtain gluing mixed layer coating medium, pour in the loading plate that is provided with cylinder, screen cloth with the needs coating, speed row with 2～6 meters of per minutes, gluing mixed layer coating medium on the cylinder is coated on the screen cloth, and by the scraper before the cylinder, with the THICKNESS CONTROL of screen cloth coating at 8～12, unnecessary intermixture is struck off,, because can forming the little ball of gluing mixed liquor at the twine infall, surface tension effects dries then at the twine infall, moisture content is evaporated, solidify, bake out temperature is 110～120 ℃, and the time is 2～10 minutes, gluing mixed layer coating medium by thermosetting on twine and meshes intersection point, form a kind of twine surface and have one deck antistatic layer, the state that meshes intersection point is adhesively fixed obtains product;
The material of said screen cloth is polyamide fibre or terylene, is that full reeled yarn tissue, half reeled yarn tissue, basket weave, the plain weave mode of employing field routine produced.
Screen cloth by above-mentioned PROCESS FOR TREATMENT is crossed because the surface has anlistatig mixture, produces the effect of static because of the material friction in the time of avoiding filtering, eliminated to cause the mesh phenomenon of blocking therefrom, and then improved flour extraction.Simultaneously, because the twine infall is adhesively fixed, preventing that screen cloth from pushing with brush because of material when long-term the use cleans the order hole skew that produces under the effect with water, kept intact in the order hole, thereby the powder granular size that sieving is gone out keeps evenly making the screen cloth product meet the requirement of GB GB/T14014-2005.
The specific embodiment
Embodiment 1
With water-soluble thermosetting list liquid polyacrylate, sodium fluoborate, bleeding agent, antistatic additive and water, mix, obtain gluing mixed layer coating medium, pour in the loading plate that is provided with cylinder, with the screen cloth of needs coating, with the speed row of 2 meters of per minutes, gluing mixed layer coating medium on the cylinder is coated on the screen cloth, and, the THICKNESS CONTROL of screen cloth coating at 8, is struck off unnecessary intermixture by the scraper before the cylinder, at the twine infall because surface tension effects, can form the little ball of gluing mixed liquor at the twine infall, oven dry then, moisture content is evaporated, solidify, bake out temperature is 110 ℃, and the time is 2 minutes, obtains product; The material of said screen cloth is a polyamide fibre, is that the full reeled yarn organizational form of employing field routine is produced.Said gluing mixed layer contains the component of following weight ratio percentage:
Water-soluble thermosetting list liquid polyacrylate 13%
Sodium fluoborate 0.5%
Bleeding agent 0.01%
Antistatic additive 0.05%
Water surplus.
Said bleeding agent is selected from penetrant t; Said antistatic additive is selected from antistatic additive SN.
Adopt the inspection rule of GB GB/T14014, GB2014-80, GBn92-93-80 regulation to test, the result shows that the screen cloth product meets the requirements.
Embodiment 2
With water-soluble thermosetting list liquid polyacrylate, sodium fluoborate, bleeding agent, antistatic additive and water, mix, obtain gluing mixed layer coating medium, pour in the loading plate that is provided with cylinder, with the screen cloth of needs coating, with the speed row of 6 meters of per minutes, gluing mixed layer coating medium on the cylinder is coated on the screen cloth, and, the THICKNESS CONTROL of screen cloth coating at 12, is struck off unnecessary intermixture by the scraper before the cylinder, at the twine infall because surface tension effects, can form the little ball of gluing mixed liquor at the twine infall, oven dry then, moisture content is evaporated, solidify, bake out temperature is 120 ℃, and the time is 10 minutes, obtains product; The material of said screen cloth is a terylene, is that the plain weave mode of employing field routine is produced.Said gluing mixed layer contains the component of following weight ratio percentage:
Water-soluble thermosetting list liquid polyacrylate 7%
Sodium fluoborate 0.8%
Bleeding agent 0.3%
Antistatic additive 0.35%
Water surplus.
Said bleeding agent is selected from penetrant t; Said antistatic additive is selected from antistatic additive SN.
Adopt the inspection rule of GB GB/T14014, GB2014-80, GBn92-93-80 regulation to test, the result shows that the screen cloth product meets the requirements.
Claims (6)
1. the screen cloth antistatic and meshes intersection point is fixing is characterized in that, is made of at the gluing mixed layer of screen surface screen cloth and coated;
Said gluing mixed layer is the coating that forms by after the gluing mixed layer coating medium drying, and said gluing mixed layer coating medium contains the component of following weight ratio percentage:
Water-soluble thermosetting list liquid polyacrylate 7～13%
Sodium fluoborate 0.5～0.8%
Bleeding agent 0.01～0.3%
Antistatic additive 0.05～0.35%
Water surplus.
2. the antistatic screen cloth of fixing with meshes intersection point according to claim 1 is characterized in that said bleeding agent is selected from aerosol-OT salt or penetrating agent JFC.
3. the antistatic screen cloth of fixing with meshes intersection point according to claim 1 is characterized in that said antistatic additive is selected from antistatic additive SN or antistatic agent TM.
4. according to each described antistatic screen cloth of fixing with meshes intersection point of claim 1～3, it is characterized in that, the material of said screen cloth is polyamide fibre or terylene, is that full reeled yarn tissue, half reeled yarn tissue, basket weave, the plain weave mode of employing field routine produced.
5. make the method for each described antistatic and screen cloth that meshes intersection point is fixing of claim 1～4, it is characterized in that, may further comprise the steps: with water-soluble thermosetting list liquid polyacrylate, sodium fluoborate, bleeding agent, antistatic additive and water, mix, obtain gluing mixed layer coating medium, pour in the loading plate that is provided with cylinder, screen cloth with the needs coating, speed with 2～6 meters of per minutes moves ahead, gluing mixed layer coating medium on the cylinder is coated on the screen cloth, and, the THICKNESS CONTROL of screen cloth coating at 8～12, is struck off unnecessary intermixture by the scraper before the cylinder, form the little ball of gluing mixed liquor at the twine infall, oven dry then, moisture content is evaporated, and solidifies, gluing mixed layer coating medium by thermosetting on twine and meshes intersection point, formation has the twine surface of one deck antistatic layer, and the state that meshes intersection point is adhesively fixed obtains product.
6. method according to claim 5 is characterized in that, bake out temperature is 110～120 ℃, and the time is 2～10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100414327A CN101314090B (en) | 2007-05-30 | 2007-05-30 | Electrostatic resistant and meshes intersection point fixed mesh screen, and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100414327A CN101314090B (en) | 2007-05-30 | 2007-05-30 | Electrostatic resistant and meshes intersection point fixed mesh screen, and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101314090A CN101314090A (en) | 2008-12-03 |
| CN101314090B true CN101314090B (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100414327A Active CN101314090B (en) | 2007-05-30 | 2007-05-30 | Electrostatic resistant and meshes intersection point fixed mesh screen, and producing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101314090B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371661A (en) * | 2018-10-26 | 2019-02-22 | 含山县领创新材料科技有限公司 | A kind of sieve anti-static and abrasion-resistant aftertreatment technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113112U (en) * | 1991-12-05 | 1992-08-19 | 邵培财 | Jinlun or dacron screen net for flour |
| CN1138354A (en) * | 1993-12-22 | 1996-12-18 | 斯托克·斯格瑞姆股份有限公司 | Metallic screen material having a strand or fibre structure, and method for manufacturing such a material |
-
2007
- 2007-05-30 CN CN2007100414327A patent/CN101314090B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113112U (en) * | 1991-12-05 | 1992-08-19 | 邵培财 | Jinlun or dacron screen net for flour |
| CN1138354A (en) * | 1993-12-22 | 1996-12-18 | 斯托克·斯格瑞姆股份有限公司 | Metallic screen material having a strand or fibre structure, and method for manufacturing such a material |
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| Publication number | Publication date |
|---|---|
| CN101314090A (en) | 2008-12-03 |
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