CN1883744A - Aromatic polyamide permeable filter felt - Google Patents
Aromatic polyamide permeable filter felt Download PDFInfo
- Publication number
- CN1883744A CN1883744A CN 200610027084 CN200610027084A CN1883744A CN 1883744 A CN1883744 A CN 1883744A CN 200610027084 CN200610027084 CN 200610027084 CN 200610027084 A CN200610027084 A CN 200610027084A CN 1883744 A CN1883744 A CN 1883744A
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- CN
- China
- Prior art keywords
- aromatic polyamide
- cotton
- filter felt
- permeable filter
- manufacturing process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention provides an aromatic polyamide seeping film filtration felt and preparation method for the same. The material component of the filtration film: (1) the upper layer is aromatic polyamide fiber of 190 g, 37.225%; (2) the middle layer is aromatic polyamide fiber base-cloth of 130 g, 25.49%; (3) the lower layer is aromatic polyamide fiber of 190 g, 37.225%. The process includes: opening bag, beating, feeding cotton, teasing, laying net, pre-stabbing, main stabbing 1, main stabbing 2, main stabbing 3, surface modification, cutting edge, retracting and coiling, and post processing technics. The advantage is thermostable, chemical-resisting, higher filtration load resistant, good mechanical performance, high air permeability and good removing ash effect.
Description
Technical field
The present invention relates to a kind of fibrofelt that is used for filtering noxious gas.
Background technology
Various filtering materials are arranged on the market, but aromatic polyamide permeable film still of no use is as filtering material.
Summary of the invention
Do not have good filtering material for solving on the market, the invention provides a kind of aromatic polyamide permeable filter felt and manufacturing process thereof; The material component of this filter felt is:
(1) upper strata aromatic polyamide fibre, 190 grams, 37.225%;
(2) in the middle of is the aromatic polyamide fibre base cloth, 130 grams, 25.49%;
(3) lower floor's aromatic polyamide fibre, 190 grams, 37.225%.
The manufacturing process of aromatic polyamide permeable filter felt is: on the two sides of base cloth, implement following technology:
(1) aromatic polyamide fibre;
(2) open bag;
(3) shredding;
(4) give cotton;
(5) combing;
(6) lapping;
(7) pre-thorn;
(8) main thorn 1;
(9) main thorn 2;
(10) main thorn 3;
(11) finishing;
(12) cut edge;
(13) rolling.
The described job contract skill of opening is:
(1) aromatic polyamide fibre is added the raw material storage curtain;
(2) defeated flat curtain;
(3) the oblique curtain of bale opener;
(4) cotton-equalizing roller;
(5) hopper;
(6) cotton guiding plate.
Described opening is:
(1) fiber on the cotton guiding plate enters the opener feeding curtain;
(2) feeding roller;
(3) plucker roller;
(4) the defeated material of blower fan;
(5) feeding hopper.
Describedly be for cotton technology:
Give cotton fabric width 1400mm, give cotton speed 0.5m/min, give cotton weight: 85kg/h.
Described carding process is:
Through the fiber of the semi-automatic feeding hopper of vapour-pressure type, through entering carding machine and two pass husband stripping to cotton roller; Concrete technology is:
Temperature ℃ 20-35, under the humidity 65-80% condition, middle cylinder diameter 850mm, middle cylinder rotating speed 350rpm, main cylinder diameter 1230mm, main cylinder rotating speed 335rpm, cotton layer grammes per square metre 25g/m2, cotton layer width 1.40mm goes out net spee 22m/min.
Described lapping technology is:
Through the cotton layer 25g/m2 that card doffer's stripping produces, the cotton layer that after the lapping machine is overlapping, produces with constant weight and thickness, the centre is fragrant polyamide fiber base cloth, through three layers compound after, enter pre-pricking machine, the lapping width is greater than more than the base material fabric width 200mm, and the lapping grammes per square metre is 380g/m2.
Described pre-thorn technology is:
On needing machine, depth of needling is 17mm, and punch frequency is 525rpm, input speed 2.05m/min, output speed 2.15m/min.
Described main thorn 1, main thorn 2, main thorn 3 and finishing technology are:
Depth of needling mm punch frequency rpm output speed m/min
Main thorn 1 10 550 2.15
Main thorn 28 620 2.15
Main thorn 35 750 2.15
Finishing 3 850 2.15
Described aftertreatment technology is:
(1) chemical treatments preparation;
(2) silane coupled agent emulsion preparation;
(3) prepare to take by weighing silane coupler 1000g, pour in the container;
(4) preparing to take by weighing 200g silicon temperature 80 pours in the container of containing coupling agent and stirs;
(5) prepare to take by weighing ethanol 1000g, poured in the container and stir;
(6) taking by weighing the 7800g clear water pours in the said vesse and stirs;
(7) will go up the mixed liquor for preparing pours colloid mill into and grinds after 5-10 minute stand-by;
(8) prepare to take by weighing the 10kgPTFE dispersion liquid, the resin emulsion of 7kg carbon fluoro water proofing agent and the high temperature resistant propylene of 8kg is poured in the rustless steel container of 250kg, adds the silane coupled agent emulsion of the above-mentioned 10kg for preparing, and it is stand-by to 200kg to add clear water;
(9) chemical treatments for preparing is put into impregnator;
(10) will produce good aromatic polyamide semi-finished product by after soaking chemical treatments, and enter baking oven by duo mill, and carry out preheating, bake, thermal finalization handles, pick-up rate is an inorganic agent: semi-finished product=0.8: 1, speed are 2.5m/min.
Behind the aftertreatment technology, through preliminary drying, thermal finalization, singe, be cut into finished product.
Advantage of the present invention is,
1. high temperature resistant 2. resistances to chemical attack, 3. anti-higher filtrations high 6. ash-removal effects of 4. good mechanical properties, 5. permeability of loading are good
The specific embodiment
By the configuration of aforementioned base materials component, use aforementioned technology, can realize the present invention, wherein:
In described main thorn 1, main thorn 2, main thorn 3 and the finishing technology, the needing machine model of dividing other usefulness is 314,313,346 and 346; The acupuncture model is respectively 15 * 18 * 38,15 * 18 * 40,15 * 18 * 40,15 * 18 * 42.
Wherein the chemical treatments technical recipe is:
Material material name (kilogram) percentage % that weighs
Polytetrafluoroethylene (PTFE)
Resin dispersion liquid 10.00 5.00
Carbon fluoro water proofing agent 7.00 3.50
High temperature resistant emulsion acrylic resin 8.00 4.00
Silane coupler-vinyl three second
Oxygen agent silane 1.00 0.50
Emulsifier tween 80 polyoxyethylene
Arlacel-80 0.20 0.10
Ethanol 1.00 0.50
Water 172.80 86.40
In the drying technology:
Preliminary drying: the moisture of removing the Nomex 95% that contains chemical treatments.
Bake: the chemical treatments cure stage.
Thermal finalization: aromatic polyamide fibre stentering forming.
The condition of last art technology is:
The speed temperature-time
m/min ℃ min
Preliminary drying 2.5 105-120 3.2
Bake 2.5 180-200 3.2
Thermal finalization 2.5 250 3.2
Singeing:
Nomex single face behind the stentering forming is singed, and product surface is smooth.The speed of singing is 8-10m/min.
Hot rolling technology:
Product after singing is through three roller high temperature hot rollings, and product is smooth, and is smooth, easy-to-clean ash, and its process conditions are:
Last central roll spacing 2.5mm
Middle lower roll spacing 2.0mm
180 ℃ of last roll temperatures
200 ℃ of middle roll temperatures
180 ℃ of following roll temperatures
Speed 3.12m/min
Cutting technique:
The product of the specification of pressing the finished product filter bag after with hot rolling cuts by certain fabric width, and every volume length is about 100 meters, also can pack according to requirement of client.2.6.2 packing adopts lined with PVC plastic sheeting, outsourcing polypropylene woven cloth.
Claims (10)
1, a kind of aromatic polyamide permeable filter felt is characterized in that: the material component of this filter felt is:
(1) upper strata aromatic polyamide fibre, 190 grams, 37.225%;
(2) in the middle of is the aromatic polyamide fibre base cloth, 130 grams, 25.49%;
(3) lower floor's aromatic polyamide fibre, 190 grams, 37.225%.
2, a kind of manufacturing process of aromatic polyamide permeable filter felt is characterized in that: upper and lower two-layer at base cloth, implement following technology:
(1) aromatic polyamide fibre;
(2) open bag;
(3) shredding;
(4) give cotton;
(5) combing;
(6) lapping;
(7) pre-thorn;
(8) main thorn 1;
(9) main thorn 2;
(10) main thorn 3;
(11) finishing;
(12) cut edge;
(13) rolling;
(14) semi-finished product;
(15) post processing.
3, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: the described job contract skill of opening is:
(1) aromatic polyamide fibre is added the raw material storage curtain;
(2) defeated flat curtain;
(3) the oblique curtain of bale opener;
(4) cotton-equalizing roller;
(5) hopper;
(6) cotton guiding plate.
4, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: described opening is:
(1) fiber on the cotton guiding plate enters the opener feeding curtain;
(2) feeding roller;
(3) plucker roller;
(4) the defeated material of blower fan;
(5) feeding hopper.
5, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: describedly be for cotton technology:
Give cotton fabric width 1400mm, give cotton speed 0.5m/min, give cotton weight: 85kg/h.
6, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: described carding process is:
Through the fiber of the semi-automatic feeding hopper of vapour-pressure type, through entering carding machine and two pass husband stripping to cotton roller; Concrete technology is:
Temperature ℃ 20-35, under the humidity 65-80% condition, middle cylinder diameter 850mm, middle cylinder rotating speed 350rpm, middle cylinder rotating speed 350rp master cylinder diameter 1230mm, main cylinder rotating speed 335rpm, cotton layer grammes per square metre 25g/m2, cotton layer width 1.40mm goes out net spee 22m/min.
7, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: described lapping technology is:
Through the cotton layer 25g/m2 that card doffer's stripping produces, the cotton layer that after the lapping machine is overlapping, produces with constant weight and thickness, the centre is fragrant polyamide fiber base cloth, through three layers compound after, enter pre-pricking machine, the lapping width is greater than more than the base material fabric width 200mm, and the lapping grammes per square metre is 380g/m2.
8, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: described pre-thorn technology is:
On needing machine, depth of needling is 17mm, and punch frequency is 525rpm, input speed 2.05m/min, output speed 2.15m/min.
9, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: described main thorn 1, main thorn 2, main thorn 3 and finishing technology are:
Depth of needling mm punch frequency rpm output speed m/min
Main thorn 1 10 550 2.15
Main thorn 28 620 2.15
Main thorn 35 750 2.15
Finishing 3 850 2.15
10, by the manufacturing process of the described aromatic polyamide permeable filter felt of claim 2, it is characterized in that: described aftertreatment technology is:
(1) chemical treatments preparation;
(2) silane coupled agent emulsion preparation;
(3) prepare to take by weighing silane coupler 1000g, pour in the container;
(4) preparing to take by weighing 200g silicon temperature 80 pours in the container of containing coupling agent and stirs;
(5) prepare to take by weighing ethanol 1000g, poured in the container and stir;
(6) taking by weighing the 7800g clear water pours in the said vesse and stirs;
(7) will go up the mixed liquor for preparing pours colloid mill into and grinds after 5-10 minute stand-by;
(8) prepare to take by weighing the 10kgPTFE dispersion liquid, the resin emulsion of 7kg carbon fluoro water proofing agent and the high temperature resistant propylene of 8kg is poured in the rustless steel container of 250kg, adds the silane coupled agent emulsion of the above-mentioned 10kg for preparing, and it is stand-by to 200kg to add clear water;
(9) chemical treatments for preparing is put into impregnator;
(10) will produce good aromatic polyamide semi-finished product by after soaking chemical treatments, and enter baking oven by duo mill, and carry out preheating, bake, thermal finalization handles, pick-up rate is an inorganic agent: semi-finished product=0.8: 1, speed are 2.5m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100270843A CN100409921C (en) | 2006-05-30 | 2006-05-30 | Aromatic polyamide permeable filter felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100270843A CN100409921C (en) | 2006-05-30 | 2006-05-30 | Aromatic polyamide permeable filter felt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1883744A true CN1883744A (en) | 2006-12-27 |
| CN100409921C CN100409921C (en) | 2008-08-13 |
Family
ID=37582122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100270843A Expired - Fee Related CN100409921C (en) | 2006-05-30 | 2006-05-30 | Aromatic polyamide permeable filter felt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100409921C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596380B (en) * | 2009-06-25 | 2012-09-26 | 南京际华三五二一特种装备有限公司 | Method for preparing high-precision low-resistance special type filtration material |
| CN108654208A (en) * | 2018-04-04 | 2018-10-16 | 江苏天毅环保科技有限公司 | A kind of waterproof Nomex and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3300529B2 (en) * | 1994-03-31 | 2002-07-08 | 日鉄鉱業株式会社 | Antistatic filtering material and method for producing the same |
| CN2669958Y (en) * | 2003-11-21 | 2005-01-12 | 沈阳环境科学研究院 | Composite high-temperature resistant adsorption filtering felt |
| CN100346860C (en) * | 2005-05-12 | 2007-11-07 | 孙熙 | Production of high-density topping filtering material from three gradient |
| CN1331578C (en) * | 2005-10-13 | 2007-08-15 | 中材科技股份有限公司 | High temperature resistant P.T.F.E. coated filter material |
-
2006
- 2006-05-30 CN CNB2006100270843A patent/CN100409921C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596380B (en) * | 2009-06-25 | 2012-09-26 | 南京际华三五二一特种装备有限公司 | Method for preparing high-precision low-resistance special type filtration material |
| CN108654208A (en) * | 2018-04-04 | 2018-10-16 | 江苏天毅环保科技有限公司 | A kind of waterproof Nomex and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100409921C (en) | 2008-08-13 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20080813 Termination date: 20160530 |