CN102489076A - Superfine fiber filter material and production process thereof - Google Patents
Superfine fiber filter material and production process thereof Download PDFInfo
- Publication number
- CN102489076A CN102489076A CN2011103649886A CN201110364988A CN102489076A CN 102489076 A CN102489076 A CN 102489076A CN 2011103649886 A CN2011103649886 A CN 2011103649886A CN 201110364988 A CN201110364988 A CN 201110364988A CN 102489076 A CN102489076 A CN 102489076A
- Authority
- CN
- China
- Prior art keywords
- fibre
- ultra
- fine
- superfine
- glass
- 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.)
- Pending
Links
Abstract
The invention relates to an environmental protection material for purifying, filtering and dedusting flue gas, particularly a superfine fiber filter material and a production process thereof. The superfine fiber filter material is produced by carrying out needle punching technology on a base cloth, a superfine fiber filter surface layer on the base cloth, and a superfine fiber filter surface layer underlying the base cloth, wherein the base cloth is a ultrafine glass fiber base cloth, the superfine fiber filter surface layers are prepared by carrying out mechanical netting technology polyimide fibers and ultrafine glass fibers. According to the invention, the advantages of low cost, high efficiency, and high function are achieved, the problem of relying on imports for chemical fibers is solved, and the product cost and usage cost of users are reduced. The superfine fiber filter material is an indispensable new product in flue gas filter materials, and the use of the material allows the emission concentration of flue gas to be no larger than 2 mg/Nm<3>.
Description
Technical field
The present invention relates to a kind of environment-friendly materials of gas cleaning dust removal by filtration, particularly a kind of superfine fibre filtering material and manufacture craft thereof.
Background technology
At present, known acupuncture filtering material is made up of for two kinds middle gentle high temperature.And fire resistant filter material long-term work temperature is all below 260 ℃, and the instantaneous temperature operating temperature also can only 280 ℃.If the fracture strength of long filtrate of time one will descend rapidly, and degraded is aging rapidly, causes filter bag to damage and loses efficacy.Filter efficiency is reduced, cause deduster to smolder, do not reach filtering accuracy, influence environment.Then price is higher to use the import chemical fibre, and production cost is higher, is unfavorable for promoting the use of.
Summary of the invention
The present invention aims to provide a kind of high temperature resistant, cost is low, the life-span is long superfine fibre filtering material.
Technical scheme of the present invention is: a kind of superfine fibre filtering material; Superfine fibre filtration surface layer by base cloth and base cloth levels is processed through needling process; Said base cloth is the ultra-fine fibre glass base cloth; It is to be raw material be lost synthetic fibre fiber and ultra-fine fibre glass that said superfine fibre filters surface layer, processes through mechanical net-forming process.
Said superfine fibre filtering material grammes per square metre is 750～950g/m
2
Said ultra-fine fibre glass base cloth grammes per square metre is 350～545g/m
2
The weight ratio that said superfine fibre filters be lost in the surface layer synthetic fibre fiber and ultra-fine fibre glass is 1: 9～1: 3.
Said ultra-fine fibre glass single fiber diameter is 3.5～4 μ m.Ultra-fine fibre glass comprises ultra-fine fibre glass A and ultra-fine fibre glass B; Wherein to cut length be 51mm to the weak point of ultra-fine fibre glass A; It is 120～180mm that the weak point of ultra-fine fibre glass B is cut length, and the weight ratio of ultra-fine fibre glass A and ultra-fine fibre glass B is 7: 1～13: 4.
The manufacture craft of superfine fibre filtering material may further comprise the steps:
(1) with raw material synthetic fibre fiber, ultra-fine fibre glass A and the ultra-fine fibre glass B by weight percentage 10～25%: 65～70% that be lost: 10～20% weigh, and the synthetic fibre fiber of will being lost again carries out shredding, the intact back of shredding batching;
(2) with the stack of the raw material layering after the shredding, the synthetic fibre fiber of being lost is put into the bottom, and middle one deck is put ultra-fine fibre glass A, and ultra-fine fibre glass B is put in the superiors; Superpose successively in this order 3～5 times;
The raw material layer of (3) step (2) stack being got well is got from top to bottom and is expected that putting into bale opener mixes out bag, tentatively mixes fiber;
(4) step (3) is opened the raw material of wrapping and process superfine fibre filtration surface layer according to mechanical net-forming process;
(5) stack superfine fibre with the bottom surface lapping above the base cloth and filter surface layer, preliminary pre-needling;
(6) ooze the film processing through acupuncture, dipping and process the superfine fibre filtering material.
It is 51mm that the weak point of said ultra-fine fibre glass A is cut length, and it is 120～180mm that the weak point of ultra-fine fibre glass B is cut length, and both single fiber diameters are 3.5～4 μ m, all can bear the hot environment more than 320 ℃.
Machinery becomes the step of net to be in the said step (4): 1. shredding: through opener the mixed raw material of step (3) is carried out shredding, make it reach fluffy state, make fibre bundle reach the ultimate fibre state basically, the glass fibre and the synthetic fibre fiber of being lost are further mixed; 2. combing: with step 1. the composite fibre of gained send into carding machine and be carded to fibre web, carding machine adopts single cylinder, two pass husband, two mixed and disorderly type, the carding machine parameter is: cylinder rotating speed 40～50HZ, doffer 15～35HZ; 3. lapping: use the lapping machine to step 2. the fibre web of gained on superfine fiber fabric, carry out lapping, fibre web is overlapped to form superfine fibre repeatedly filters surface layer, lapping machine parameter is: the reciprocal 18～31r/min of revolution 21～32r/min.
The heatproof degree of the said synthetic fibre fiber of being lost is higher than the P84 (polyimides) of import, can reach 360 degree moment, low price, and the filtrate of making is also relatively cheap, says from deduster flue gas operating mode to substitute the filtrate that import P84 is produced fully.It is can the long-term work temperature constant at 300 ℃ of following ultimate strengths, and also ability-267 ℃ low temperature at high temperature has good intensity, rigidity, fatigue durability and electric property.Limited oxygen index has excellent flame-retardant performance greater than 38%, under 300 ℃ of high temperature, puts out certainly from burning things which may cause a fire disaster.Because of extremely superior performances such as its long-term heat-resisting quantity, dimensional stability and chemical-resistant stabilities, be a kind of environmental protection, reliably, high-temperature-resistant filtering material is used fiber efficiently.
Said ultra-fine fibre glass is soft, wear-resisting folding resistance is good, higher, the longer service life of producing of media filtration precision.
The superfine fiber fabric that base cloth of the present invention adopts Shandong new power environment-friendly materials Co., Ltd to produce; Its manufacture craft is: filling yarn is to be formed by 160 superfine fibre yarns and 160 expanded woven of superfine fibre; Wherein the fabric tissue of base cloth is made up of one 160 the expanded yarn arrays of superfine fibre 160 superfine fibre yarns again.What this kind structure made base cloth and fibrous face layer combines more excellently, remedies the shortcoming of common base cloth cohesive force difference.The base cloth grammes per square metre is 350～545g/m
2The base cloth that the present invention adopts can improve filter efficiency on the one hand, and a bag phenomenon can not appear sticking with paste in deashing more easily during thinner, the filter bag ash removal of thickness on the other hand; Air penetrability is lower; Can satisfy the ultimate strength needs, can satisfy frequently blowing repeatedly of filter bag again, can satisfy the requirement of jetting pressure on various deduster winding-up number of times and the present deduster; The wear-resisting folding resistance of fiber is more excellent, exceeds more than 2 years service life than common base cloth.The filtering accuracy that helps improving filtrate that the present invention adopts uses 850g/m
2Filtrate just can reach 1050g/m
2Efficiency of dust collection.
Beneficial effect of the present invention is:
1, be lost synthetic fibre fiber and ultra-fine fibre glass is combined into felt, and pliability is better, and wear-resisting folding quality is better, and peeling force is higher, and the superfine fibre filtering material longer service life that makes can reach more than 4 years;
2, be lost synthetic fibre fiber and ultra-fine fibre glass all is superfine fibre, improved filtering accuracy, and filter efficiency is at 2mg/NM
3More than, solved the high problem of concentration of emission that other filtrates cann't be solved;
3, be lost the normal serviceability temperature of synthetic fibre fiber and ultra-fine fibre glass all about 320 ℃, two kinds of high-temperature fibres are combined into felt, have improved the heatproof temperature of superfine fibre filtering material, and instantaneous temperature reaches 360 ℃ of 4 hours brute forces and can not lose;
4, superfine fibre filtering material design grammes per square metre 750～950g/m
2, than the low at least 100g/m of other filtrate grammes per square metre
2, energy savings can also reach better dust removing effects;
5, use the synthetic fibre fiber of being lost to substitute import P84 (polyimides) fiber, solved the import that relies on chemical fibre, reduced product cost and customer using cost;
6, use superfine fiber fabric, porosity is littler, and the felt face is more smooth, has improved the stability of product.
The specific embodiment
Below in conjunction with embodiment the present invention is described, but does not limit the present invention.
Embodiment 1:
The concrete technological process of production of superfine fibre filtering material of the present invention is following:
One, raw material is selected for use:
1, base cloth: the ultra-fine fibre glass base cloth that adopts Shandong new power environment-friendly materials Co., Ltd to produce, its technological parameter is through close 5/cm, filling density is 6/cm; 160/51 strands; Grammes per square metre 350g/m
2
2, the synthetic fibre fiber of being lost: the product of selecting for use the high fine jade in Changchun to produce.
3, ultra-fine fibre glass: adopt weak point to cut ultra-fine fibre glass A and the weak point that length is 51mm respectively and cut the ultra-fine fibre glass B that length is 120～180mm, single fiber diameter is 3.5～4 μ m; The product of selecting for use Shandong new power environment-friendly materials Co., Ltd to produce.
Two, processing step:
1, weigh raw material be lost synthetic fibre fiber 10kg, ultra-fine fibre glass A70kg and ultra-fine fibre glass B20kg, the synthetic fibre fiber of will being lost again carries out shredding, the intact back of shredding batching.
2, with the stack of the raw material layering after the shredding, the synthetic fibre fiber of being lost is put into the bottom, and middle one deck is put ultra-fine fibre glass A, and ultra-fine fibre glass B is put in the superiors; Superpose successively in this order 3 times.
The raw material layer of 3, step 2 stack being got well is got from top to bottom and is expected that putting into bale opener mixes out bag, tentatively mixes fiber.
4, step 3 is opened the raw material of wrapping and process superfine fibre filtration surface layer according to mechanical net-forming process.
5, above the base cloth, the bottom surface lapping stacks superfine fibre and filters surface layer, through two clamping skin curtains of feeding machine fibre web is sent into uniformly and is carried out preliminary pre-needling in the pre-pricking machine; Clamping skin curtain exit separation is 3-5cm; The traverse of pre-pricking machine is 70mm, and the pricker of pre-pricking machine is selected spiral pricker for use.Through this kind pricker, make the cohesive force of product higher, the damage of fiber is littler.
6, ooze the film processing through acupuncture, dipping and process the superfine fibre filtering material; The traverse of main-needling machine is generally 50mm.
Embodiment 2:
Outside distinguishing down, other are with embodiment 1.
In the processing step 1, the raw material of weighing be lost synthetic fibre fiber 25kg, ultra-fine fibre glass A 65kg and ultra-fine fibre glass B 10kg, the synthetic fibre fiber of will being lost again carries out shredding, the intact back of shredding batching.
In the processing step 2, with the stack of the raw material layering after the shredding, the synthetic fibre fiber of being lost is put into the bottom, and middle one deck is put ultra-fine fibre glass A, and ultra-fine fibre glass B is put in the superiors; Superpose successively in this order 5 times.
In the processing step 5, the clamping skin curtain exit separation of feeding machine is 3-5cm.
Embodiment 3:
Outside distinguishing down, other are with embodiment 1.
In the processing step 1, the raw material of weighing be lost synthetic fibre fiber 20kg, ultra-fine fibre glass A 68kg and ultra-fine fibre glass B 12kg, the synthetic fibre fiber of will being lost again carries out shredding, the intact back of shredding batching.
In the processing step 2, with the stack of the raw material layering after the shredding, the synthetic fibre fiber of being lost is put into the bottom, and middle one deck is put ultra-fine fibre glass A, and ultra-fine fibre glass B is put in the superiors; Superpose successively in this order 4 times.
In the processing step 5, the clamping skin curtain exit separation of feeding machine is 3-5cm.
Superfine fibre filtering material that embodiment 1-3 makes and the contrast of the performance indications of existing glass fiber filter material are as shown in table 1:
Can find out through table 1: under the same product grammes per square metre, the superfine fibre filtering material that the present invention makes is more more obvious than the advantage of prior art.Air penetrability is lower than prior art, but he is also lower than prior art running resistance to the deduster running resistance, and easy-to-clean ash when superfine fibre filtrate deashing is described has explained that also superfine fibre media filtration precision is high, can reach 2mg/Nm
3Below, explain more that simultaneously ultra-fine fine filtering material ties up better strainability, be unlikely to small dust and get in the space in the filtrate surface layer, and stop up pore size filter.This is that prior art is not accomplished, running resistance is better than prior art thus.Because peeling force is higher than prior art, explains that his anti-filtration velocity is higher, can the product surface layer be washed away by the dust granules friction owing to filtration velocity is high, the superfine fibre filtrate is also higher than prior art through the broadwise ultimate strength, moreover high temperature resistant.So service life is longer than prior art.
Claims (8)
1. superfine fibre filtering material; It is characterized in that; Superfine fibre filtration surface layer by base cloth and base cloth levels is processed through needling process; Said base cloth is the ultra-fine fibre glass base cloth, and it is to be raw material be lost synthetic fibre fiber and ultra-fine fibre glass that said superfine fibre filters surface layer, processes through mechanical net-forming process.
2. superfine fibre filtering material according to claim 1 is characterized in that, said superfine fibre filtering material grammes per square metre is 750～950g/m
2
3. superfine fibre filtering material according to claim 1 is characterized in that, said ultra-fine fibre glass base cloth grammes per square metre is 350～545g/m
2
4. superfine fibre filtering material according to claim 1 is characterized in that, the weight ratio that said superfine fibre filters be lost in the surface layer synthetic fibre fiber and ultra-fine fibre glass is 1: 9～1: 3.
5. superfine fibre filtering material according to claim 1 is characterized in that, said ultra-fine fibre glass single fiber diameter is 3.5～4 μ m.
6. according to claim 1 or 4 or 5 described superfine fibre filtering materials; It is characterized in that; Said ultra-fine fibre glass comprises ultra-fine fibre glass A and ultra-fine fibre glass B; Wherein to cut length be 51mm to the weak point of ultra-fine fibre glass A, and it is 120～180mm that the weak point of ultra-fine fibre glass B is cut length, and the weight ratio of ultra-fine fibre glass A and ultra-fine fibre glass B is 7: 1～13: 4.
7. the manufacture craft of a superfine fibre filtering material is characterized in that, may further comprise the steps:
(1) with raw material synthetic fibre fiber, ultra-fine fibre glass A and the ultra-fine fibre glass B by weight percentage 10～25%: 65～70% that be lost: 10～20% weigh, and the synthetic fibre fiber of will being lost again carries out shredding, the intact back of shredding batching;
(2) with the stack of the raw material layering after the shredding, the synthetic fibre fiber of being lost is put into the bottom, and middle one deck is put ultra-fine fibre glass A, and ultra-fine fibre glass B is put in the superiors; Superpose successively in this order 3～5 times;
The raw material layer of (3) step (2) stack being got well is got from top to bottom and is expected that putting into bale opener mixes out bag, tentatively mixes fiber;
(4) step (3) is opened the raw material of wrapping and process superfine fibre filtration surface layer according to mechanical net-forming process;
(5) above the base cloth, the bottom surface lapping stacks superfine fibre and filters surface layer, preliminary pre-needling;
(6) ooze the film processing through acupuncture, dipping and process the superfine fibre filtering material;
It is 51mm that the weak point of said ultra-fine fibre glass A is cut length, and single fiber diameter is 3.5～4 μ m; It is 120～180mm that the weak point of ultra-fine fibre glass B is cut length, and single fiber diameter is 3.5～4 μ m.
8. the manufacture craft of superfine fibre filtering material according to claim 7 is characterized in that, machinery becomes the step of net to be in the said step (4):
1. shredding: through opener the mixed raw material of step (3) is carried out shredding, make it reach fluffy state, raw material is even;
2. combing: with step 1. the composite fibre of gained send into carding machine and be carded to fibre web;
3. lapping: use the lapping machine to step 2. the fibre web of gained on the ultra-fine fibre glass base cloth, carry out lapping, fibre web is overlapped to form superfine fibre repeatedly filters surface layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103649886A CN102489076A (en) | 2011-11-17 | 2011-11-17 | Superfine fiber filter material and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103649886A CN102489076A (en) | 2011-11-17 | 2011-11-17 | Superfine fiber filter material and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102489076A true CN102489076A (en) | 2012-06-13 |
Family
ID=46180961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103649886A Pending CN102489076A (en) | 2011-11-17 | 2011-11-17 | Superfine fiber filter material and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102489076A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386238A (en) * | 2015-12-25 | 2016-03-09 | 山东新力环保材料有限公司 | Fire-resisting blanket material and manufacturing process thereof |
| CN105498361A (en) * | 2015-12-29 | 2016-04-20 | 江苏蓝天环保集团股份有限公司 | Polyester-ultrafine fiber composite nonwoven filter felt and making method thereof |
| CN111514655A (en) * | 2020-04-23 | 2020-08-11 | 浙江锐捷滤材科技有限公司 | Production process of efficient corrosion-resistant filter material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032674A (en) * | 2006-03-08 | 2007-09-12 | 东丽纤维研究所（中国）有限公司 | Filtering material of thermal stability and the purpose thereof |
| CN101219306A (en) * | 2007-09-27 | 2008-07-16 | 上海博格工业用布有限公司 | Non-woven filter material combined of mechanical consolidation and water fluid jet reinforce, and production method |
| CN101829453A (en) * | 2010-05-28 | 2010-09-15 | 浙江理工大学 | Preparation method of high-temperature-resistant filtering material with high filtering efficiency |
| CN201760187U (en) * | 2010-08-06 | 2011-03-16 | 山东台鹰环保设备有限公司 | Antioxidative composite needle felt |
| CN102152556A (en) * | 2010-11-10 | 2011-08-17 | 山东新力环保材料有限公司 | Polyester needle punched felt and production method thereof |
| CN201997190U (en) * | 2010-12-15 | 2011-10-05 | 上海博格工业用布有限公司 | Filter needled felt compositing glass fiber and polyimide fiber |
-
2011
- 2011-11-17 CN CN2011103649886A patent/CN102489076A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032674A (en) * | 2006-03-08 | 2007-09-12 | 东丽纤维研究所（中国）有限公司 | Filtering material of thermal stability and the purpose thereof |
| CN101219306A (en) * | 2007-09-27 | 2008-07-16 | 上海博格工业用布有限公司 | Non-woven filter material combined of mechanical consolidation and water fluid jet reinforce, and production method |
| CN101829453A (en) * | 2010-05-28 | 2010-09-15 | 浙江理工大学 | Preparation method of high-temperature-resistant filtering material with high filtering efficiency |
| CN201760187U (en) * | 2010-08-06 | 2011-03-16 | 山东台鹰环保设备有限公司 | Antioxidative composite needle felt |
| CN102152556A (en) * | 2010-11-10 | 2011-08-17 | 山东新力环保材料有限公司 | Polyester needle punched felt and production method thereof |
| CN201997190U (en) * | 2010-12-15 | 2011-10-05 | 上海博格工业用布有限公司 | Filter needled felt compositing glass fiber and polyimide fiber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386238A (en) * | 2015-12-25 | 2016-03-09 | 山东新力环保材料有限公司 | Fire-resisting blanket material and manufacturing process thereof |
| CN105498361A (en) * | 2015-12-29 | 2016-04-20 | 江苏蓝天环保集团股份有限公司 | Polyester-ultrafine fiber composite nonwoven filter felt and making method thereof |
| CN111514655A (en) * | 2020-04-23 | 2020-08-11 | 浙江锐捷滤材科技有限公司 | Production process of efficient corrosion-resistant filter material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101530698B (en) | Non-woven filter felt combining air-laid web with pinprick reinforcement | |
| CN107308726B (en) | Glass fiber composite needled felt PTFE (polytetrafluoroethylene) film-coated filter material and preparation method thereof | |
| CN103432826B (en) | High-precision double-layer base fabric needled felt filter material and preparation process thereof | |
| CN105642018B (en) | A kind of haze acetate fiber filtering material and preparation method thereof | |
| CN103074737A (en) | Manufacturing methods and devices of cotton fiber net and multilayer non-woven material | |
| CN101385921A (en) | No-weaving filter composite material of feather fiber and preparation method thereof | |
| TW200912071A (en) | Microfiber split film filter felt and method of making same | |
| US6468930B2 (en) | Cardable blends of dual glass fibers | |
| CN101549230A (en) | Basalt fiber non-fabric filtering felt and making method thereof | |
| CN105365305A (en) | Glass fiber and polyester composite needle-punched felt and manufacturing method thereof | |
| CN102489076A (en) | Superfine fiber filter material and production process thereof | |
| CN102560903A (en) | Multi-layer composite basalt non-woven material and preparation method thereof | |
| CN105386238A (en) | Fire-resisting blanket material and manufacturing process thereof | |
| CN110917727A (en) | Filter material with PET/COPET double-component low-melting-point fibers mixed in surface layer of polyester needled felt and preparation method of filter material | |
| CN113652799B (en) | Preparation process method of needling dust removal filter cloth | |
| CN111270423B (en) | Preparation method of non-woven fabric filter material | |
| CN102912558A (en) | Equipment and method for manufacturing multi-layer composite non-woven material | |
| CN101509198A (en) | Polytetrafluoroethylene fibre and glass fibre combined nonwoven filtering felt and preparation method thereof | |
| CN202559046U (en) | Basalt composite nonwoven material | |
| JP5293071B2 (en) | Blended cotton and nonwoven fabric comprising the same, and method for producing blended cotton | |
| CN105498361A (en) | Polyester-ultrafine fiber composite nonwoven filter felt and making method thereof | |
| CN106283235B (en) | Polyphenylene sulfide short fiber, production method thereof and filter felt containing same | |
| CN201445858U (en) | Inorganic fiber ultrahigh-temperature composite filter material | |
| CN113320236A (en) | Preparation method for improving temperature resistance of alkali-free glass fiber woven fabric filter material | |
| CN202913199U (en) | Multilayer composite non-woven material production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120613 |