CN102631812A - Production technique of ultrafiltration bag - Google Patents
Production technique of ultrafiltration bag Download PDFInfo
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- CN102631812A CN102631812A CN201210116626XA CN201210116626A CN102631812A CN 102631812 A CN102631812 A CN 102631812A CN 201210116626X A CN201210116626X A CN 201210116626XA CN 201210116626 A CN201210116626 A CN 201210116626A CN 102631812 A CN102631812 A CN 102631812A
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Abstract
The invention relates to the field of filtering material preparation and in particular relates to a production technique of an ultrafiltration bag. The production technique is characterized in that a raw material used for preparing the ultrafiltration bag is sea island fiber, the sea ingredient of the sea island fiber is water-soluble polyester, the island ingredient is polyester, and the sea island fiber is paved to high-strength needled non-woven fabric through an air flow lapper. In a fiber splitting technique, a fiber splitting agent is novel cation HS-002K, an accelerating agent is HS-ZSR, and a penetrating agent is JFC; and after the fiber splitting treatment, the product is subjected to ultrasonic cleaning, and finally a bag type dust collector is processed on an SC7500 high-speed level bed three-needle loose flat-seam sewing machine. The production technique provided by the invention is simple in technique and stable in performance, and can be applied to the fields of air fine filtering and the like.
Description
Technical field:
The present invention relates to the filter cloth preparing technical field, be specially a kind of production technology of ultrafiltration bag.
Background technology:
Along with a large amount of uses of industry, transportation and fossil fuel, materials such as dust, oxysulfide, oxycarbide enter atmosphere, make the air quality severe exacerbation.Aspect control atmosphere pollution, mainly adopt wet dedusting, electric precipitation and three kinds of methods of bag-type dusting.Wet dedusting utilizes water to contact and the separation and collection dust with grit, atomic fine dust is also had capture effect preferably, some toxic gas is had absorb or dissolution.But this method water consumption is big, is prone to cause secondary pollution, and the scope of application is more and more littler at present; Utilize electric precipitation DC high-voltage power supply and pair of electrodes cause a uneven electric field, and separation and collection is applicable to that through the dust in the air-flow gas contains the bigger occasion of acid concentration.But this method one-time investment is bigger, and dust specific resistance, temperature and humidity all have direct influence to efficiency of dust collection, and is difficult to dust emission concentration is controlled at 100mg/m
3Below, not meeting country to development and environmental protection requirement, will be restricted from now on; Bag dust-removing method is through acupuncture fiber to be made non-weaving cloth, then under the effect of opening fine agent and alkali decrement auxiliary agent, this non-weaving cloth is opened fine the processing; After washing, sew into the ultrafiltration bag again, its principle is come the airborne dust of separation and collection for utilizing the porous media filtering material, and it is high to have the dust catching rate; Stable performance, occupation mode is flexible, small investment; Be convenient to directly reclaim advantages such as siccative, therefore use also general.But it is high that this method requires filtrate, and the quality of its performance will directly have influence on the filter effect and the service life of sack cleaner, and the filtrate of therefore researching and developing good filtration effect is very important.Filtering material commonly used at present mainly contains polytetrafluoroethylene (PTFE) fiber, fragrant adoption phthalein amine Nomex fiber, fragrant alum synthetic fibre, gathers phthalimide (P84) fiber, glass fibre and polyphenylene sulfide fibre (PPS) etc.
In the above-mentioned filtering material, gathering phthalimide (P84) fiber cross section is trilobal cross, has bigger specific area; Filter efficiency is very high; But the P84 fiber belongs to the condensation polymer type fiber, and hydrolysis is not prone to take place hydrolysis under hot and humid and acid or alkali environment; The filtering material intensity that makes is not high, and strainability is not good; PTFE fiber, fragrant adoption phthalein amine Nomex fiber, polyphenylene sulfide fibre (PPS) and fragrant alum synthetic fibre, chemical stability is good, but costs an arm and a leg, and can't be generalized in the practical application; Glass fibre can use down at 260 ℃ continuously, and acid resistance is good, but reaction temperature is high, production process is loaded down with trivial details, and energy consumption is bigger.
Have based on this, the present invention studies and solves the problems referred to above, and proposes effective solution.
Summary of the invention:
First purpose of the present invention provides that a kind of filter effect is good, the production technology of the ultrafiltration bag of stable performance.
For realizing this purpose, the technical scheme of employing is following:
A kind of production technology of ultrafiltration bag is characterized in that, may further comprise the steps:
The acupuncture operation: with the islands-in-sea type fibre is raw material, and wherein sea component is a water-soluble polyester, content 10～30%, and the island component is a polyester, content 70～90%, the acupuncture lapping becomes needle fabric on random web-laying equipment;
Open fine operation: alkali decrement concentration is 10～15g/L, and bath raio is needle fabric: water=1:40～1:60, and opening fine agent is cation HS-002K, and concentration is 5～10g/L, and promoter is HS-ZSR, and content is 3～5wt% of needle fabric quality; Bleeding agent is JFC, and content is 3～5 wt% of needle fabric quality, and opening fine temperature is 80～125 ℃, and opening the fine time is 45～60min, and the more excellent fine temperature of opening is 90～110 ℃, and opening the fine time is 45～60min.
In opening fine process; The component polyester strips down the sea component water-soluble polyester of islands-in-sea type fibre from the island; Stay that resistance to acids and bases is strong, the polyester of stable performance forms structure sea-island composite fiber boundling, that have even porous; The needle fabric stable performance that acupuncture is processed into, filter effect is good.
After alkali decrement concentration and bath raio experimentized and allocate, when alkali decrement concentration is 10～15g/L, when bath raio was needle fabric: water=1:40～1:60, the island structure of formation evenly, fully.
Cation HS-002K is as opening fine agent, and concentration is beneficial to control chemical attack degree when being 5～10g/L, makes between fiber and fiber effectively, separates fully, and lining is soft, is beneficial to out carrying out smoothly of fine and back arrangement; Along with the prolongation in processing time, two components of superfine fibre are peeled off gradually, continue to increase the processing time and can cause fiber and weave machine performance decrease, and end properties is preferable during with 45～60min; It is comparatively remarkable that temperature is split fine influential effect, and along with temperature increases, reduction rate also obviously increases; When opening the vitrification point that fine temperature is higher than fiber; This moment, alkali lye entered into the fiber top layer, and hydrolysate more is prone to dissolving and comes off, and reduction rate increases rapidly; What be unfavorable for producing is stable, and therefore the more excellent fine temperature of opening is 90～110 ℃.
Urotropinum S-ZSR is collaborative to open fine agent, uniform subtraction in opening fine process, and reduction rate is high, and foam is few, adsorb lowly, is prone to clean, and 200 ℃ are not decomposed with interior, and finalizing the design is difficult for yellowing etc., and content is advisable with 3～5wt%.
Bleeding agent is that JFC has reduced fiber surface tension force, helps alkali lye to get into fibrous inside, promote hydrolytic process fast, evenly carry out, when guaranteeing hydrolysis effect, avoided excessive erosion to PET fiber surface, content is advisable with 3～5wt%.
Further, the ultrafiltration bag for acquisition has intensity height, long service life also comprises:
Acupuncture operation: random web-laying equipment lapping density>=500g/m
2, needling density>=10000 thorn/cm
2, more excellent lapping density 600～800g/m
2, needling density 10000～14000 thorn/cm
2, so both guaranteed the high strength of non-weaving cloth, help prolonging the service life of ultrafiltration bag, take into account cost and effect attractive in appearance again, realize the balance between filter effect and the cost;
Acupuncture operation idiographic flow is following: reciprocal griping cotton machine; (FA006A) → bridge-type suction iron; (TF27) → defeated cotton blower fan; (FT202) → two the road gas is joined; (FA133) → condenser; (A045B) → automatic weighing machine; (ZBG012) → hello cotton weighing machine; (ZBG011) → the blending lattice opener; (ZBG021) → multi-mixer; (FA022-6) → defeated cotton blower fan; (FT202) → the middle cotton machine of feeding; (FA031-W) → sawtooth roller opener; (FA108E-W) → defeated cotton blower fan; (FT202) → air-flow hopper hello cotton machine; (W1061) → carding machine; (A186 type) → SW-63 type random web-laying equipment → 169DF type twin-roll pre-needling machine → DI-LOOM OD-II SC crosspointer plate needing machine.Adopt crosspointer plate needing machine needling density appreciable impact lining brute force, apparent thickness, tear resistance.
The sewing operation: to the needle fabric processing of sewing, sewing thread is the 300D polyester industrial yarn, has guaranteed the high epistasis of dust settling pocket once more on SC7500 high speed level bed 3 pins pines flat-lock machine.
Further, for producing cleaning, efficient, energy-conservation ultrafiltration bag, also comprise:
Matting: adopt ultrasonic waves for cleaning, but not common overflow washing had so both guaranteed that alkali lye can not be brought into the downstream process segment, and shortened the time of opening between fine pretreatment stage and the processing of ultrafiltration bag again, the control of being convenient to produce.Scavenging period is advisable with 15～30min.
Auxiliary agent involved in the present invention such as cation HS-002K, Urotropinum S-ZSR, penetrating agent JFC, and each model device all can obtain through the free market.
The specific embodiment:
It below is the specific embodiment of preparation.The specific embodiment is done further elaboration to the present invention, will help to understand the present invention through following examples.
Embodiment 1:
The needle fabric that has been feedstock production with the islands-in-sea type fibre, this islands-in-sea type fibre is a sea component with water-soluble polyester (COPET), mass ratio is 10%; Polyester (PET) is the island component, and mass ratio is 90%.Through the random web-laying equipment lapping, lapping density 600g/m
2, needling density 10000 thorn/cm
2
Open fine preliminary treatment then, in this stage, alkali decrement concentration is 15g/L; Bath raio is a needle fabric: water (mass ratio)=1:60; Opening fine agent is cation HS-002K, concentration 10g/L, and opening fine temperature is 110 ℃; Promoter is HS-ZSR, and content is 5wt%; Bleeding agent is JFC, and content is 5wt%; After 60min opens fine preliminary treatment, product is carried out ultrasonic waves for cleaning, scavenging period 30min.
On SC7500 high speed level bed 3 pins pine flat-lock machine, carry out the processing of ultrafiltration bag at last, sewing thread is the 300D polyester industrial yarn.
Adopt particle counter method to measure respectively and use the concentration and the particle diameter changes in distribution of the atmospheric dust of filter bag of the present invention front and back dust-contained airflow to assess filter effect; The result shows; In the air after the use >=particle of 2 μ m has only 0.001% of original dust-contained airflow kind number of particles, and adopt behind the common filter cloth in the air >=particle of 2 μ m accounts for 0.01% of original dust-contained airflow kind number of particles.
Embodiment 2:
With the islands-in-sea type fibre is that raw material has at first prepared needle fabric, and this islands-in-sea type fibre is a sea component with water-soluble polyester (COPET), and mass ratio is 10%; Polyester (PET) is the island component, and mass ratio is 90%.Through the random web-laying equipment lapping, lapping density 600g/m
2, needling density 10000 thorn/cm
2
Open fine preliminary treatment then, in this stage, alkali decrement concentration is 10g/L; Bath raio is a needle fabric: water (mass ratio)=1:50g/L; Opening fine agent is cation HS-002K, concentration 7g/L, and opening fine temperature is 100 ℃; Promoter is HS-ZSR, and content is 4wt%; Bleeding agent is JFC, and content is 4wt%; After 50min opens fine preliminary treatment, product is carried out ultrasonic waves for cleaning, scavenging period 20min.
On SC7500 high speed level bed 3 pins pine flat-lock machine, carry out the processing of ultrafiltration bag at last, sewing thread is the 300D polyester industrial yarn.
Adopt particle counter method to measure respectively and use the concentration and the particle diameter changes in distribution of the atmospheric dust of filter bag of the present invention front and back dust-contained airflow to assess filter effect; The result shows; In the air after the use>=particle of 2 μ m has only original dust-contained airflow kind number of particles≤0.001%, and adopt behind the common filter cloth in the air>=particle of 2 μ m accounts for 0.012% of original dust-contained airflow kind number of particles.
Embodiment 3:
With the islands-in-sea type fibre is that raw material has at first prepared needle fabric, and this islands-in-sea type fibre is a sea component with water-soluble polyester (COPET), and mass ratio is 10%; Polyester (PET) is the island component, and mass ratio is 90%.Through the random web-laying equipment lapping, lapping density 600g/m
2, needling density 10000 thorn/cm
2
Open fine preliminary treatment then, in this stage, alkali decrement concentration is 12g/L; Bath raio is a needle fabric: water (mass ratio)=1:40g/L; Opening fine agent is cation HS-002K, concentration 5g/L, and opening fine temperature is 90 ℃; Promoter is HS-ZSR, and content is 3wt%; Bleeding agent is JFC, and content is 3wt%; After 45min opens fine preliminary treatment, product is carried out ultrasonic waves for cleaning, scavenging period 15min.
On SC7500 high speed level bed 3 pins pine flat-lock machine, carry out the processing of ultrafiltration bag at last, sewing thread is the 300D polyester industrial yarn.
Adopt particle counter method to measure respectively and use the concentration and the particle diameter changes in distribution of the atmospheric dust of filter bag of the present invention front and back dust-contained airflow to assess filter effect; The result shows; In the air after the use >=particle of 2 μ m has only 0.0009% of original dust-contained airflow kind number of particles, and adopt behind the common filter cloth in the air >=particle of 2 μ m accounts for 0.012% of original dust-contained airflow kind number of particles.
Claims (7)
1. the production technology of a ultrafiltration bag is characterized in that, may further comprise the steps:
The acupuncture operation: with the islands-in-sea type fibre is raw material, and wherein sea component is a water-soluble polyester, content 10～30%, and the island component is a polyester, content 70～90%, the acupuncture lapping becomes needle fabric on random web-laying equipment;
Open fine operation: alkali decrement concentration is 10～15g/L, and bath raio is needle fabric: water=1:40～1:60, and opening fine agent is cation HS-002K, and concentration is 5～10g/L, and promoter is HS-ZSR, and content is 3～5wt% of needle fabric quality; Bleeding agent is JFC, and content is 3～5 wt% of needle fabric quality, and opening fine temperature is 80～125 ℃, and opening the fine time is 45～60min.
2. the production technology of a kind of ultrafiltration bag according to claim 1 is characterized in that: opening fine temperature is 90～110 ℃.
3. the production technology of a kind of ultrafiltration bag according to claim 1 is characterized in that: said acupuncture operation: random web-laying equipment lapping density>=500g/m
2, needling density>=10000 thorn/cm
2
4. the production technology of a kind of ultrafiltration bag according to claim 3 is characterized in that: said acupuncture operation: random web-laying equipment lapping density 600～800g/m
2, needling density 10000～14000 thorn/cm
2
5. according to the production technology of claim 1 or 3 described a kind of ultrafiltration bags, it is characterized in that: said acupuncture operation idiographic flow is following: back and forth griping cotton machine FA006A → bridge-type is inhaled iron TF27 → defeated cotton blower fan FT202 → two road gas and is joined FA133 → condenser A045B → automatic weighing machine ZBG012 → feed cotton weighing machine ZBG011 → blending lattice opener ZBG021 → multi-mixer FA022-6 → defeated cotton blower fan FT202 → centre to feed cotton machine FA031-W → sawtooth roller opener FA108E-W → defeated cotton blower fan FT202 → air-flow hopper hello cotton machine W1061 → carding machine A186 type → SW-63 type random web-laying equipment → 169DF type twin-roll pre-needling machine → DI-LOOM OD-II SC crosspointer plate needing machine.
6. the production technology of a kind of ultrafiltration bag according to claim 1 is characterized in that: also comprise the sewing operation: to the needle fabric processing of sewing, sewing thread is the 300D polyester industrial yarn on SC7500 high speed level bed 3 pins pines flat-lock machine.
7. according to the production technology of claim 1 or 6 described a kind of ultrafiltration bags, it is characterized in that: also comprise matting: adopt ultrasonic waves for cleaning, scavenging period is 15～30min.
Priority Applications (1)
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| CN201210116626.XA CN102631812B (en) | 2012-04-20 | 2012-04-20 | Production technique of ultrafiltration bag |
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|---|---|---|---|
| CN201210116626.XA CN102631812B (en) | 2012-04-20 | 2012-04-20 | Production technique of ultrafiltration bag |
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| CN102631812A true CN102631812A (en) | 2012-08-15 |
| CN102631812B CN102631812B (en) | 2014-05-07 |
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| CN102912558A (en) * | 2012-09-27 | 2013-02-06 | 稳健医疗（黄冈）有限公司 | Equipment and method for manufacturing multi-layer composite non-woven material |
| CN102974169A (en) * | 2012-12-28 | 2013-03-20 | 苏州大学 | Filtering material and preparation method thereof |
| CN103074737A (en) * | 2013-01-16 | 2013-05-01 | 稳健医疗（黄冈）有限公司 | Manufacturing methods and devices of cotton fiber net and multilayer non-woven material |
| CN104208950A (en) * | 2014-09-04 | 2014-12-17 | 绍兴中纺院江南分院有限公司 | Sea-island composite fiber filtering material and preparation method thereof |
| CN105854418A (en) * | 2016-05-11 | 2016-08-17 | 安徽元琛环保科技股份有限公司 | Electret filter material and production method thereof |
| CN110373783A (en) * | 2019-07-15 | 2019-10-25 | 厦门厦迪亚斯环保过滤技术有限公司 | It is a kind of retention precision submicron order filter medium and preparation method thereof |
| CN111111319A (en) * | 2019-12-31 | 2020-05-08 | 南京际华三五二一环保科技有限公司 | Preparation method of ultra-clean discharge filter material |
| CN112973281A (en) * | 2021-03-30 | 2021-06-18 | 上海华峰超纤科技股份有限公司 | Multilayer superfine fiber filtering material and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912558A (en) * | 2012-09-27 | 2013-02-06 | 稳健医疗（黄冈）有限公司 | Equipment and method for manufacturing multi-layer composite non-woven material |
| CN102912558B (en) * | 2012-09-27 | 2014-12-10 | 稳健医疗（黄冈）有限公司 | Equipment and method for manufacturing multi-layer composite non-woven material |
| CN102974169A (en) * | 2012-12-28 | 2013-03-20 | 苏州大学 | Filtering material and preparation method thereof |
| CN102974169B (en) * | 2012-12-28 | 2014-07-02 | 苏州大学 | Filtering material and preparation method thereof |
| CN103074737A (en) * | 2013-01-16 | 2013-05-01 | 稳健医疗（黄冈）有限公司 | Manufacturing methods and devices of cotton fiber net and multilayer non-woven material |
| CN103074737B (en) * | 2013-01-16 | 2015-09-09 | 稳健医疗（黄冈）有限公司 | The manufacture method of cotton fiber net and MULTILAYER COMPOSITE nonwoven material and equipment thereof |
| CN104208950A (en) * | 2014-09-04 | 2014-12-17 | 绍兴中纺院江南分院有限公司 | Sea-island composite fiber filtering material and preparation method thereof |
| CN104208950B (en) * | 2014-09-04 | 2016-01-06 | 绍兴中纺院江南分院有限公司 | A kind of islands-in-sea bicomponent fibre filtrate and preparation method thereof |
| CN105854418A (en) * | 2016-05-11 | 2016-08-17 | 安徽元琛环保科技股份有限公司 | Electret filter material and production method thereof |
| CN110373783A (en) * | 2019-07-15 | 2019-10-25 | 厦门厦迪亚斯环保过滤技术有限公司 | It is a kind of retention precision submicron order filter medium and preparation method thereof |
| CN111111319A (en) * | 2019-12-31 | 2020-05-08 | 南京际华三五二一环保科技有限公司 | Preparation method of ultra-clean discharge filter material |
| CN112973281A (en) * | 2021-03-30 | 2021-06-18 | 上海华峰超纤科技股份有限公司 | Multilayer superfine fiber filtering material and preparation method thereof |
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| CN102631812B (en) | 2014-05-07 |
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Inventor after: Zhang Caiqian Inventor after: Lu Lin Inventor before: Zhang Caiqian |
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Effective date of registration: 20180312 Address after: 610000 Chengdu City, Sichuan, China (Sichuan) free trade test zone Chengdu high tech Zone Patentee after: Sichuan energy filter material Co., Ltd. Address before: 312000 Shaoxing, Vietnam, South City Road, No. 900, No. Co-patentee before: Zhang Caiqian Patentee before: Shaoxing University Yuanpei College |
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Granted publication date: 20140507 Termination date: 20170420 |