CN209505105U - A kind of woven knitting composite construction based high-temp-resistant environmental protection filtrate - Google Patents
A kind of woven knitting composite construction based high-temp-resistant environmental protection filtrate Download PDFInfo
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- CN209505105U CN209505105U CN201821891251.3U CN201821891251U CN209505105U CN 209505105 U CN209505105 U CN 209505105U CN 201821891251 U CN201821891251 U CN 201821891251U CN 209505105 U CN209505105 U CN 209505105U
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Abstract
The utility model discloses a kind of woven knitting composite construction based high-temp-resistant environmental protection filtrates, the filtrate includes the woven knitting composite construction base fabric as made of knitted structure and machine-knitted structure braiding, the upper and lower surface of woven knitting composite construction base fabric is laid with composite fibre net, and the surface of the composite fibre net of any one side is equipped with micro porous filtration membrane coat.The utility model has merged woven and knitting technology simultaneously, and base fabric is made to have structural stability and suitable type, to prepare high-tenacity, high temperature resistance filtration material, keeps filter structure close, strongly high, saves material, prolong the service life.
Description
Technical field
The utility model belongs to filtering and separation material field, more particularly, to a kind of woven knitting composite construction base
High temperature resistant environment-protective filtrate.
Background technique
Sack cleaner is a kind of dry type dust filtration device, and the main filtration using fabric is to subtle, drying
Dust is captured, and is able to satisfy emission request, harmless effect to reach filtered air.Existing heat resistance filter bag one
As use using fibers such as P84, PPS, PTFE, aramid fiber, basalt, glasses as raw material, using nonwovens process, pierce and process through needle
It forms, pricker is all made of triangle, trifoil cross-section.In order to enhance the strength of filtrate, have among filtrate woven or knitting
Base fabric.The strength of filtrate is provided jointly by surface layer fibre web and base fabric, and the contribution rate of strength respectively may be about 30% and 70%.
Filtrate is during pinprick reinforcement, with the high speed reciprocating motion up and down of pricker, needle point and barb impact base fabric and
The short fibre of fibre web leads to fibrous fracture or damage, and filtrate strength declines, and service life significantly reduces.
Utility model content
The purpose of the utility model is to overcome the above deficiencies, provide a kind of woven knitting composite construction based high-temp-resistant environmental protection filter
Material, utilization is woven, is knitted the structural stability and suitable type of compound base fabric, prepares high-tenacity, high temperature resistance filtration material, extends filtrate
Service life.
To achieve the goals above, the utility model provides a kind of woven knitting composite construction based high-temp-resistant environmental protection filtrate,
Including the woven knitting composite construction base fabric as made of knitted structure and machine-knitted structure braiding, woven knitting composite construction base fabric
Upper and lower surface is laid with composite fibre net, and the surface of the composite fibre net of any one side is equipped with micro porous filtration membrane coat.
The knitted structure of woven knitted composite material base fabric described in the utility model is that stocking yarn uses plain stitch, double sieve
Line tissue or rib construction；The machine-knitted structure is that warp thread and weft yarns form.The stocking yarn, warp thread and weft yarn are inorganic
The composite fibre yarn of the Single Fiber or two kinds of fibers of fiber or high-performance fiber.The preferred glass of the inorfil or the Black Warrior
Rock fiber, the preferred P84, PPS of high-performance fiber, PTFE, aramid fiber.
Woven knitting composite construction base fabric density described in the utility model is 50-250g/m2, preferably 100-250g/m2。
Composite fibre net described in the utility model is to cross interleaved mode multilayer by single layer fibre Netcom to be paved into, and the mixing is fine
The density of dimension net is 100-300g/m2, preferably 100-250g/m2, the single layer fibre reticular density is 15-25g/m2。
Filtrate described in the utility model is with a thickness of 1.5-3.0mm, density 250-600g/m2, preferably 300-600g/m2。
The preparation method of woven knitting composite construction based high-temp-resistant environmental protection filtrate described in the utility model, is to be spun into fiber
After yarn, weave into woven knitting composite construction base fabric；The composite fibre that fiber is formed through mixing, combing, lapping, pre-needling
Net is laid on the upper and lower surface of composite construction base fabric respectively, with oval pricker to base fabric and web carry out pinprick reinforcement again into
Row is arranged and is prepared.
Woven knitting composite construction base fabric is by the plain stitch using stocking yarn braiding, interlock described in the above method
Or the knitted structure and use warp thread of rib construction and the plain woven structure of weft yarns weave.The yarn of use be by
Fiber is made through cotton carding, at item, rove, spinning process.
Fiber described in the above method be one or both of inorfil or the short fibre of high-performance fiber fiber by grab cotton,
Shredding, the silvalin being mixed or basaltic buiky yarn.The fiber inorganic fiber or the short fibre of high-performance fiber, are adopted
The short fibre for being 30-90.0mm with 1.2-9D, length, basalt fibre select zero twisted yarn, twisted yarn or rove.Wherein, silvalin
The line density of line selects twisted yarn, line density 150-300dtex, twist 35- in 3-10dtex, basalt yam stocking yarn
50 twirls/50cm, basalt warp, weft yarn select rove, line density 600-2400dtex.
Pre-needling condition described in the above method are as follows: bestock: 1250 pieces/m, needling density 800-840 Ci/㎝2, needle
Pierce depth 11mm, web velocity 4m/min.
The condition of the thorn of needle described in the above method are as follows: needling density 210-2000 thorn/cm2, depth of needling 7-13mm, plant needle
1000-3000 pieces of density/m, web output speed 0.5-2.5m/min.Pricker used has two ribs, on every rib there are two
Briar tooth, briar tooth are spaced with briar tooth
Arrangement described in the above method is to singe, be formed and coating；Wherein, singing is the short and small fibre for removing filter material surface
Dimension, sizing mainly improve the thermal stability of filtrate, and coating is to coat micro porous filtration membrane coat in fabric surface, enhances filtrate
Filter efficiency.The coating can be that (aperture is for PTFE ultrafiltration membrane coat (aperture be 0.01~0.1 μm) or ceramic membrane coat
0.8nm~1 μm).
It is above-mentioned it is woven knitting composite construction based high-temp-resistant environmental protection filtrate preparation method specifically includes the following steps:
(1) composite fibre net is made through combing, lapping and pre-needling process in fiber；
(2) yarn is made through cotton carding, at item, rove, spinning process in fiber；Yarn uses plain group as stocking yarn
Knit, interlock or rib construction are knitted structure, yarn, using plain woven structure, is woven into machine as warp thread and weft yarn
Weaving knitting composite structure base fabric；
(3) layer tiles composite fibre net respectively in woven knitting composite construction base fabric, acupuncture apparatus is transported to, by planting
Filtrate is made in the upper and lower reciprocal pinprick reinforcement of oval pricker high speed on needle plate；
(4) filtrate is by singing, being formed and coating obtains final products.
The filtrate of above method preparation is with a thickness of 1.5-3.0mm, weight 250-600g/m2, vertically and horizontally ultimate strength 900-
1600N/5cm, Air permenbility 100-200L/dm2·min。
Compared with prior art, the utility model has the following beneficial effects:
(1) woven knitting compound base fabric is a kind of new structure (CWK) fabric, wherein existing mutually handed over by warp thread and weft yarn
Knit the machine-knitted structure to be formed, and have by stocking yarn bending into coil, and mutually wear and the knitted structure that is formed, be two kinds of knots
Structure it is compound.Base fabric described in the utility model has merged woven and knitting technology simultaneously, and base fabric is made to have structural stability and fit
Type.
(2) the utility model uses fiber environmental and can Wear-resistant, high-temperature resistant, short fibre is also beneficial to avoid producing
Damage is needled in journey.Intensity is improved, is prolonged the service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of woven knitting composite construction based high-temp-resistant environmental protection filtrate described in the utility model.
Fig. 2 is the structural schematic diagram of woven knitting composite construction base fabric described in the utility model.
Fig. 3 is the structural schematic diagram of oval pricker described in the utility model.
Fig. 4 is the sectional view of oval pricker described in the utility model.
In figure: the woven knitting composite construction base fabric of 1-, 2- composite fibre net, 3- filter membrane coat, 4- stocking yarn, 5- warp
Yarn, 6- weft yarn.
Specific embodiment
Preferred embodiments of the present invention are more fully described below in conjunction with specific embodiment.
Embodiment 1
According to Fig. 1 and the woven knitting composite construction based high-temp-resistant environmental protection filtrate of one kind shown in Fig. 2, including by knitted structure
With woven knitting composite construction base fabric 1 made of machine-knitted structure braiding, the upper and lower surface of the woven knitting composite construction base fabric 1
It is laid with composite fibre net 2, the surface of the composite fibre net 2 of any one side is equipped with micro porous filtration membrane coat 3.
The knitted structure of woven knitted composite material base fabric 1 described in the present embodiment is that stocking yarn 4 uses plain stitch, double sieve
Line tissue or rib construction, the machine-knitted structure are that warp thread 5 and weft yarn 6 are interwoven.The composite fibre net 2 is by single layer fibre
Dimension Netcom crosses interleaved mode multilayer and is paved into.
The density of composite fibre net 2 described in the present embodiment is 100g/m2, woven 1 density of knitting composite construction base fabric is
210g/m2, filtrate density is 410g/m2。
Embodiment 2
Filtrate described in embodiment 1 the preparation method is as follows:
By the PTFE chopped strand of 3.2D*51mm, composite fibre net is formed after shredding, combing, lapping and pre-needling
2。
Pre-needling: bestock: 1250 pieces/m, 840 Ci/㎝ of needling density2, depth of needling 11mm, web velocity 4m/
min。
Woven knitting composite construction base fabric 1 is using 3.2dtex*51mmPTFE chopped strand through cotton carding, at item, rove, thin
Yarn made of yarn process, stocking yarn 4 form 1+1 rib-loop bottom tissue, and warp thread 5 and weft yarn 6 are organized with being lining into straight mode
In, warp thread 5 serves as a contrast in the wale of ground tissue, and weft yarn 6 serves as a contrast between ground tissue coil and warp thread, forms 2 layers of weft yarn 6 and 2
Layer warp thread 5.It include 4 mailles in cellular construction, 2 warp thread 5 and 4 piece weft yarns, 6,2 warp thread 5 are served as a contrast respectively in front coil
Within stringer and within purl loop stringer, 4 weft yarns 6 are lining into same row and are separated into 2 groups, such as Fig. 2 by warp thread
It is shown.Base fabric through it is close be 62/5cm, filling density is 57/5cm, through being 1011.4N to strength, elongation at break 13.7%,
Broadwise strength is 1081.7N, elongation at break 20.1%.
The upper layer of woven knitting composite construction base fabric 1 tiles composite fibre net 2 respectively, is transported to acupuncture apparatus, by
The oval pricker high speed being implanted on needle plate carries out reciprocal needle thorn up and down, forms filtrate；Filtrate through singing, be formed, coating work
Sequence, described singe is the small short fibers for removing filter material surface, and coating is to apply PTFE ultrafiltration membrane coat in filtrate side.
Needing machine (model: SPN-250 type, Shantou Sanhui Nonwoven Machinery Factory Co., Ltd.'s production) in above-mentioned needle-punching run
Punch frequency is 430 times/min, bestock 3000 pieces/m, breadth 2500mm, web output speed 1.5m/min, needle thorn
1040 thorns of density/cm2, depth of needling 9mm.
The pricker of needing machine is that (pricker model 15*18*40*3DT, Germany, manufacturer George Grosz are public for oval pricker
Department).Pricker has two ribs, and there are two briar tooths on every rib, and briar tooth is spaced with briar tooth, and the distance between every two briar tooth is
3.18mm as shown in Figure 3 and Figure 4.
The manufactured high-strength high temperature resistance filtration material after pinprick reinforcement, through to strength be 990.3N, elongation at break 11.8%,
Broadwise strength is 972.1N, elongation at break 10.1%.
Embodiment 3
According to Fig. 1 and the woven knitting composite construction based high-temp-resistant environmental protection filtrate of one kind shown in Fig. 2, including by knitted structure
With woven knitting composite construction base fabric 1 made of machine-knitted structure braiding, the upper and lower surface of the woven knitting composite construction base fabric 1
It is laid with composite fibre net 2, the surface of the composite fibre net 2 of any one side is equipped with micro porous filtration membrane coat 3.
The knitted structure of woven knitted composite material base fabric 1 described in the present embodiment is that stocking yarn 4 uses plain stitch, double sieve
Line tissue or rib construction, the machine-knitted structure are that warp thread 5 and weft yarn 6 are interwoven.The composite fibre net 2 is by single layer fibre
Dimension Netcom crosses interleaved mode multilayer and is paved into.
The density of composite fibre net 2 described in the present embodiment is 120g/m2, woven 1 density of knitting composite construction base fabric is
200g/m2, filtrate density is 440g/m2。
Embodiment 4
Filtrate described in embodiment 3 the preparation method is as follows:
By short fine and 1.6D*61mm the short fibre of PPS of the PTFE of 3.2D*51mm, by shredding, mixing, combing, cross lapping
After pre-needling, composite fibre net 2 is formed.
Pre-needling: bestock: 1250 pieces/m, needling density pierces 800 thorns/cm2, depth of needling 11mm, web velocity
4m/min。
Woven knitting composite construction base fabric 1 is using 3.2dtex*51mmPTFE chopped strand through cotton carding, at item, rove, thin
Yarn made of yarn process, stocking yarn 4 form 1+1 rib-loop bottom tissue, and warp thread 5 and weft yarn 6 are organized with being lining into straight mode
In, warp thread 5 serves as a contrast in the wale of ground tissue, and weft yarn 6 serves as a contrast between ground tissue coil and warp thread, forms 2 layers of weft yarn 6 and 2
Layer warp thread 5.It include 4 mailles in cellular construction, 2 warp thread 5 and 4 piece weft yarns, 6,2 warp thread 5 are served as a contrast respectively in front coil
Within stringer and within purl loop stringer, 4 weft yarns 6 are lining into same row and are separated into 2 groups, such as Fig. 2 by warp thread
It is shown.Through it is close be 82/5cm, filling density is 76/5cm, and base fabric is through being 1011.4N to strength, elongation at break 13.7%,
Broadwise strength is 1081.7N, elongation at break 20.1%.
The upper layer of woven knitting composite construction base fabric 1 tiles composite fibre net 2 respectively, is transported to acupuncture apparatus, by
The oval pricker high speed being implanted on needle plate carries out reciprocal needle thorn up and down, forms filtrate；Filtrate through singing, be formed, coating work
Sequence, described singe is the small short fibers for removing filter material surface, and coating is to coat ceramic membrane coat on one side in filtrate.
Needing machine (model: SPN-250 type, Shantou Sanhui Nonwoven Machinery Factory Co., Ltd.'s production) in above-mentioned needle-punching run
Punch frequency is 450 times/min, bestock 3000 pieces/m, breadth 2500mm, web output speed 1.5m/min, needle thorn
1040 thorns of density/cm2；Depth of needling is 9mm.
The pricker of needing machine is that (pricker model 15*18*40*3DT, Germany, manufacturer George Grosz are public for oval pricker
Department).Pricker has two ribs, and there are two briar tooths on every rib, and briar tooth is spaced with briar tooth, and the distance between every two briar tooth is
3.18mm as shown in Figure 3 and Figure 4.
The manufactured high-strength high temperature resistance filtration material after pinprick reinforcement, through to strength be 983.1N, elongation at break 11.4%,
Broadwise strength is 977.3N, elongation at break 18.3%.
Claims (6)
1. a kind of woven knitting composite construction based high-temp-resistant environmental protection filtrate, it is characterised in that including by knitted structure and machine-knitted structure
The upper and lower surface of woven knitting composite construction base fabric (1) made of braiding, woven knitting composite construction base fabric (1) is laid with mixing
The surface of web (2), the composite fibre net (2) of any one side is equipped with micro porous filtration membrane coat (3).
2. woven knitting composite construction based high-temp-resistant environmental protection filtrate according to claim 1, it is characterised in that described woven
The knitted structure for being knitted composite construction base fabric (1) is stocking yarn (4) using plain stitch, interlock or rib construction braiding
It forms；The machine-knitted structure is interwoven by warp thread (5) and weft yarn (6).
3. woven knitting composite construction based high-temp-resistant environmental protection filtrate according to claim 2, it is characterised in that stocking yarn
(4), warp thread (5) and weft yarn (6) are respectively the Single Fiber of inorfil or high-performance fiber or the composite fibre of two kinds of fibers
Yarn.
4. woven knitting composite construction based high-temp-resistant environmental protection filtrate according to claim 1, it is characterised in that described woven
Knitting composite construction base fabric (1) density is 50-250g/m2。
5. woven knitting composite construction based high-temp-resistant environmental protection filtrate according to claim 1, it is characterised in that the mixing
Web (2) is to cross interleaved mode multilayer by single layer fibre Netcom to be paved into；The density of the composite fibre net (2) is 100-
300g/m2, the single layer fibre reticular density is 15-25g/m2。
6. woven knitting composite construction based high-temp-resistant environmental protection filtrate according to claim 1, it is characterised in that the filtrate
With a thickness of 1.5-3.0mm, density 250-600g/m2。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891251.3U CN209505105U (en) | 2018-11-16 | 2018-11-16 | A kind of woven knitting composite construction based high-temp-resistant environmental protection filtrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891251.3U CN209505105U (en) | 2018-11-16 | 2018-11-16 | A kind of woven knitting composite construction based high-temp-resistant environmental protection filtrate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572123A (en) * | 2018-11-16 | 2019-04-05 | 江苏恒生环保科技有限公司 | Woven knitting composite construction based high-temp-resistant environmental protection filtrate of one kind and preparation method thereof |
| CN115228191A (en) * | 2022-07-20 | 2022-10-25 | 盐城世邦布业有限公司 | High-temperature-resistant environment-friendly filter material and preparation method thereof |
-
2018
- 2018-11-16 CN CN201821891251.3U patent/CN209505105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572123A (en) * | 2018-11-16 | 2019-04-05 | 江苏恒生环保科技有限公司 | Woven knitting composite construction based high-temp-resistant environmental protection filtrate of one kind and preparation method thereof |
| CN115228191A (en) * | 2022-07-20 | 2022-10-25 | 盐城世邦布业有限公司 | High-temperature-resistant environment-friendly filter material and preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high temperature resistant environmental protection filter material based on woven knitted composite structure Effective date of registration: 20220328 Granted publication date: 20191018 Pledgee: Bank of Nanjing Co.,Ltd. Yancheng branch Pledgor: JIANGSU HENGSHENG ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2022980003360 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230309 Granted publication date: 20191018 Pledgee: Bank of Nanjing Co.,Ltd. Yancheng branch Pledgor: JIANGSU HENGSHENG ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2022980003360 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high temperature resistant and environmental friendly filter material with woven knitted composite structure Effective date of registration: 20230317 Granted publication date: 20191018 Pledgee: Bank of Nanjing Co.,Ltd. Yancheng branch Pledgor: JIANGSU HENGSHENG ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2023980035203 |