CN103085429A - Hot melt laminating device and method of membrane filter material - Google Patents
Hot melt laminating device and method of membrane filter material Download PDFInfo
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Abstract
The invention discloses a hot melt laminating device and hot melt laminating method of a membrane filter material. A high-temperature hot roller, a composite glue roller and a cooling roller are sequentially arranged in the vertical direction from top to bottom; a gap adjusting device is arranged between the high-temperature hot roller and the composite glue roller; and a stripping roller is tightly abutted against the cloth outlet side of the composite glue roller. A polytetrafluoroethylene membrane and a base material are synchronously input between the high-temperature hot roller and the composite glue roller in a hot melt laminating process, and are stripped by the stripping roller and rolled after a hot press forming process. The roller diameters of the high-temperature hot roller and the cooling roller are the same, and the diameters of the high-temperature hot roller and the cooling roller are phi 360-600mm; the roller diameters of the composite glue roller and the stripping roller are the same, the diameters of the composite glue roller and the stripping roller are phi 150-300mm, and a diameter ratio of the composite glue roller and the stripping roller is in a range of 1.8-2.4. The hot melt laminating device is reasonable in structure; the composite glue roller has good cooling effect and long service life; the service life is up to 8-12 months; and the composite glue roller has convenience in replacement and maintenance. The polytetrafluoroethylene membrane filter material produced by the invention ensures the physical properties and the chemical properties of the polytetrafluoroethylene membrane, and has small damage on the polytetrafluoroethylene membrane; the prepared membrane filter material and the used polytetrafluoroethylene membrane have the same pore size; and the filter efficiency of the membrane filter material is improved.
Description
Technical field
The heat that the present invention relates to a kind of film filtering material melts film covering device and heat is melted film covering method, be a kind of do not adopt adhesive and directly melt method by heat poly tetrafluoroethylene is laminated with the filtering material substrate surface, make manufacture method and the equipment configuration thereof of polytetrafluoroethylene (PTFE) film filtering material.
Background technology
The poly tetrafluoroethylene filtering material is a kind ofly to provide strainability by poly tetrafluoroethylene, and the stratiform filtering material of mechanical performance is provided by base material.Poly tetrafluoroethylene has multi-cellular structure; the aperture is little, porosity is high; film filtering material by the polytetrafluoroethylene (PTFE) film production; have the characteristics such as filter efficiency is high, running resistance is low, long service life; be the renewal product of high temperature fume dust removal filtering material, be widely used in China's basic industries environmental protection and the cleaner productions such as building materials, metallurgy, electric power and chemical industry.But, the polytetrafluoroethylene (PTFE) film filtering material that adopts different production technologies to make, result of use is far from each other.
Name is called the Chinese patent CN1565713 of " filtering material of polytetrafluoroethylene (PTFE) (PTFE) composite membrane ", disclosed the filtering material of a kind of polytetrafluoroethylene (PTFE) (PTFE) composite membrane, comprise glass fibre, polytetrafluoroethylene (PTFE), glass fibre is basement membrane, polytetrafluoroethylene (PTFE) is skin covering of the surface, and is by bonding agent, that both are compound; Bonding agent is any one macromolecular compound in polysulfones, nylon N6, polyvinylidene fluoride.
Name is called the Chinese patent CN1331578C of " high temperature resistant P. T. F ", disclosed a kind of high temperature resistant P. T. F, relate to the improvement to existing polytetrafluoroethylcomposite composite film filtering material, it comprises fiberglass substrate and ptfe surface film, it is characterized in that: at first with post-treatment agent, fiberglass substrate is carried out impregnation process, then carry out high temperature hot pressing with the ptfe surface film.
Name is called the Chinese patent CN101279524 of " a kind of combination process of film filtering material and equipment ", has disclosed a kind of combination process and equipment of film filtering material.It is poly tetrafluoroethylene to be synchronizeed with the speed of 3m/min～5m/min with fiberglass substrate input between the warm-up mill and pressure roller of composite equipment, and tetrafluoroethylene is from the tangential direction input of warm-up mill and lower compression roller, at the temperature of 260 ℃～360 ℃, hot-forming with the linear pressure of 15kN/m～30kN/m; Hot-forming film filtering material is again after the heating of four of warm-up mill/one side, then with the linear pressure thermocompression forming of 15～20KN/m.
Pressing the film filtering material of CN1565713 preparation, is to adopt macromolecular compound with fiberglass substrate and the ptfe surface film is gluing forms, and is not suitable for using for a long time under hot environment.Because, when using in the environment more than 190 ℃, adhesive just begins fusing, thereby the compound firmness between the base material of coated filter material and skin covering of the surface reduces, poly tetrafluoroethylene easily comes off from base material, simultaneously, the adhesive after fusing can ooze out from the micropore of film, and the glue that oozes out causes a large amount of dusts to be bonded on the surface of filtrate, be difficult to remove, and can be more poly-more, cause a large amount of dusts to be bonded at the filter bag substrate surface, and filter bag is blocked and make it lose filter efficacy very soon.
Press the film filtering material of CN1331578C and CN101279524 preparation, its process can realize that glue-free hot pressing is compound with poly tetrafluoroethylene and fiberglass substrate, has solved the problems such as compound firmness reduction and adhesive can ooze out from the micropore of film.But in the high-temperature molding process, the ptfe surface film has caused damage for a long time, and it is large that its aperture becomes, and filter efficiency descends.Simultaneously, its Compound rubber roller Long Term Contact high temperature, cooling effect is poor, and surface temperature is high, only 3 to 6 months service life, and its roller Heavy Weight, changes very trouble.
Summary of the invention
In order to overcome the deficiencies in the prior art part, for the problem of above-mentioned existence, the heat that the present invention proposes a kind of film filtering material melts film covering device and heat is melted film covering method, adopts the polytetrafluoroethylene (PTFE) film filtering material of manufacture method preparation of the present invention, damage to poly tetrafluoroethylene is little, the film filtering material that makes is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using, and filter efficiency is high, simultaneously, adopt equipment configuration of the present invention, its Compound rubber roller good cooling results, long service life, and repair and replacement are convenient.
The technology used in the present invention solution is as follows:
A kind of heat of film filtering material is melted film covering device, arranges successively high temperature hot-rolling, Compound rubber roller and chill roll from top to bottom by vertical direction, establishes slack adjuster between high temperature hot-rolling and Compound rubber roller, goes out the cloth side near a stripper roll at Compound rubber roller.
The roller footpath of described high temperature hot-rolling and chill roll is identical, and its diameter is φ 360mm～φ 600mm, and the roller footpath of Compound rubber roller and stripper roll is identical, and its diameter is φ 150mm～φ 300 mm, and diameter both is than between 1.8～2.4.
The high temperature hot-rolling is stationary roll, and Compound rubber roller and chill roll are action roller, is controlled by oil cylinder or cylinder, can be along line slideway or the up and down gliding motility of dovetail guiding mechanism.
A kind of method of utilizing described device heat to melt overlay film, when heat is melted overlay film, at first poly tetrafluoroethylene is synchronizeed with base material and input between high temperature hot-rolling and Compound rubber roller, peel off rear rolling by stripper roll after hot-forming, when heat is melted overlay film, poly tetrafluoroethylene is that line contacts with base material, the overlay film linear pressure is 6KN/m～15KN/m, and temperature is 375 ℃～410 ℃, and linear velocity is 5m/min～8 m/min.
Overlay film gap between described high temperature hot-rolling and Compound rubber roller, can be in 0～5.00mm scope free adjustment.
Described high temperature hot-rolling is initiatively traction, and hauling speed is as the main speed of whole unit, Compound rubber roller and chill roll passive transport.
Described Compound rubber roller and chill roll all assemble swivel joint, interior logical cooling water.
When heat of the present invention is melted overlay film, poly tetrafluoroethylene is that line contacts with base material, poly tetrafluoroethylene (contact high temperature hot-rolling) upper, base material (contact Compound rubber roller) under, both synchronously input between high temperature hot-rolling and Compound rubber roller, the overlay film gap is set as 0～5.00mm, the overlay film linear pressure is 6KN/m～15 KN/m, and the high temperature heat roller temperature is 375 ℃～410 ℃, and linear velocity is 5m/min～8 m/min.
The diameter of high temperature hot-rolling and chill roll is φ 360mm～φ 600mm, and the Compound rubber roller diameter is φ 150mm～φ 300mm, and diameter both is than between 1.8～2.4.The diameter of high temperature hot-rolling and chill roll is thick and diameter is identical, is that each roller is difficult for flexural deformation because can make film covering device can bear higher pressure like this and can keep three roller total pressure balances.When contacting with the high temperature hot-rolling, surface temperature is high due to Compound rubber roller, and the easy aged deterioration of roll surface rubber needs periodic replacement.So in the present invention, on the one hand at the equipped swivel joint in Compound rubber roller end, interior logical cooling water is cooling internally, also is equipped with on the other hand a chill roll from surface cool.Simultaneously, thinner because of its roller footpath, its rotating speed is faster, can contact more frequently with chill roll, reaches better surface cool effect, thereby extends its service life, reaches 8～12 months.In addition, thinner because of its roller footpath, weight is lighter, makes in replacing.
Arrangement for high temperature hot-rolling, Compound rubber roller and chill roll, the present invention has adopted the technical scheme of three roll shaft cores at straight line: the high temperature hot-rolling is the active carry-over pinch rolls, its position is fixed, and vertically arranged successively Compound rubber roller and chill roll under it.Compound rubber roller and chill roll are controlled by oil cylinder or cylinder, can be along line slideway or the up and down gliding motility of dovetail guiding mechanism, during work under the effect of oil cylinder or cylinder pressure, Compound rubber roller and chill roll are by the jack-up that makes progress, the contact tectorial backing material, thus driven and passive transport by the high temperature hot-rolling of active transport.
Establish slack adjuster between high temperature hot-rolling and Compound rubber roller, be for allow the filtering material base material in the overlay film process not by undue compacting.As everyone knows,, can seriously harden, thereby can lose or lose its permeability when particularly the Nomex of heatmeltable is by the high temperature roll-in at filtering material, can not use as filtering material.And the essence that heat is melted overlay film is, adopts special equipment configuration, poly tetrafluoroethylene and substrate surface is merged, and do not affect the base material overall performance, so necessary setting overlay film gap.Slack adjuster of the present invention can be in the scope of 0～5.00mm, free adjustment overlay film gap.
Compound rubber roller goes out the cloth side near a film filtering material stripper roll identical with the Compound rubber roller diameter, is for after melting processing in film filtering material heat, allows it hightail the high temperature hot-rolling.As everyone knows, although poly tetrafluoroethylene is a kind of acid-fast alkali-proof, and be insoluble to the inert material of most of organic solvents, but its processing temperature narrow range, the low thermokarst phenomenon that do not occur of temperature, temperature is too high or hot to melt the time oversize, and larger variation will occur in its physics and chemical property, particularly its aperture can become greatly, affects filter effect.After adopting the film filtering material stripper roll, make poly tetrafluoroethylene and base material through high warm melt overlay film after, hightail the high temperature hot-rolling, realize that the compound line of poly tetrafluoroethylene and base material contacts, can guarantee the physics and chemistry performance of poly tetrafluoroethylene, damage to poly tetrafluoroethylene is little, and the film filtering material that makes is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using, thereby has improved the filter efficiency of film filtering material.
The poly tetrafluoroethylene that the present invention adopts, micro-pore diameter is about 0.05～2.50 micron, with its film filtering material that adopts technology and device of the present invention to make, the damage of poly tetrafluoroethylene is little, the film filtering material that makes is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using, can accomplish that for the dust more than 1 micron 100% collects, reach good dust removing effects.
The base material that the present invention adopts can be the fiber mixing Nomex of glass fabric, basalt fiber cloth, fiberglass needled mat, basalt fibre Nomex, polytetrafluoroethylpunched punched felt or these kinds etc.
Beneficial effect of the present invention is: adopted advanced process route and equipment, realized that glue-free heat melts overlay film, and the polytetrafluoroethylene (PTFE) film filtering material of producing has guaranteed the physics and chemistry performance of poly tetrafluoroethylene, damage to poly tetrafluoroethylene is little, the film filtering material that makes is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using, thereby has improved the filter efficiency of film filtering material.Simultaneously, the overlay film equipment configuration is reasonable, the Compound rubber roller good cooling results, and long service life, and the Compound rubber roller repair and replacement are convenient.
Description of drawings
Fig. 1 is the structural representation of film filtering material film covering device of the present invention.
In figure: 1 is the high temperature hot-rolling, and 2 is Compound rubber roller, and 3 is stripper roll, and 4 is the film filtering material finished product, and 5 is chill roll, and 6 is film guiding roller, and 7 is poly tetrafluoroethylene, and 8 is base material, and 9 is fabric guide roll, and 10 is frame.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment one: poly tetrafluoroethylene and glass fabric heat are melted overlay film.
The overlay film manufacture method of film filtering material is: at first the temperature with high temperature hot-rolling 1 is raised to 410 ℃, poly tetrafluoroethylene 7(is commercially available, specification FM10) and glass fabric 8(commercially available, specification EWTF750) pass through respectively film guiding roller 6 and fabric guide roll 9, synchronously inputting heat with the linear velocity of 6m/min melts between the high temperature hot-rolling 1 and Compound rubber roller 2 of film covering device, poly tetrafluoroethylene 7 and glass fabric 8 heat under the linear pressure of the temperature of 410 ℃ and 15KN/m is melted compound, hightails high temperature hot-rolling 1 and obtains glass fabric through stripper roll 3 and cover polytetrafluoroethylene (PTFE) film filtering material 4.
A kind of heat of film filtering material is melted film covering device, comprise high temperature hot-rolling 1, Compound rubber roller 2, stripper roll 3, chill roll 5, film guiding roller 6, fabric guide roll 9 and frame 10, successively high temperature hot-rolling 1, Compound rubber roller 2 and chill roll 5 are loaded on frame 10 from top to bottom by vertical direction, control vertical precision by line slideway, make three roll shaft cores on a vertical straight line, wherein the diameter of high temperature hot-rolling 1 and chill roll 5 is that the diameter of φ 600mm, Compound rubber roller 2 and stripper roll 3 is φ 300mm, and the diameter of high temperature hot-rolling 1 and Compound rubber roller 2 is than being 2:1.High temperature hot-rolling 1 position is fixed, and Compound rubber roller 2 and chill roll 5 can be along line slideway up and down gliding motilities.High temperature hot-rolling 1 is initiatively traction, hauling speed is as the main speed of whole unit, the running speed design is adjustable between 0～8 m/min, Compound rubber roller 2 by with high temperature hot-rolling 1(and poly tetrafluoroethylene 7 and glass fabric 8) contact and produce friction and drive and passive transport, chill roll 5 produces the friction drive and passive transport by contacting with Compound rubber roller 2, establish slack adjuster between high temperature hot-rolling 1 and Compound rubber roller 2, make the overlay film gap adjustable between 0～5.00 mm.In the front side of Compound rubber roller 2, successively film guiding roller 6 and fabric guide roll 9 are loaded on frame 10 by arranging up and down.At the rear side of Compound rubber roller 2, the position that stripper roll 3 is parallel to Compound rubber roller 2 is loaded on frame 10.At the equipped swivel joint in the end of Compound rubber roller 2, stripper roll 3 and chill roll 5, interior logical cooling water.
The prepared film filtering material of the present embodiment is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using.
Embodiment two: poly tetrafluoroethylene and polytetrafluoroethylene (PTFE) Nomex heat are melted overlay film.
the overlay film manufacture method of film filtering material is: at first the temperature with high temperature hot-rolling 1 is raised to 375 ℃, poly tetrafluoroethylene 7(is commercially available, specification FM10) and polytetrafluoroethylene (PTFE) Nomex 8(commercially available, specification PTFENW700) pass through respectively film guiding roller 6 and fabric guide roll 9, synchronously inputting heat with the linear velocity of 8m/min melts between the high temperature hot-rolling 1 and Compound rubber roller 2 of film covering device, poly tetrafluoroethylene 7 and polytetrafluoroethylene (PTFE) Nomex 8 heat under the linear pressure of the temperature of 375 ℃ and 6KN/m is melted compound, hightail high temperature hot-rolling 1 and obtain the polytetrafluoroethylene (PTFE) Nomex through stripper roll 3 and cover polytetrafluoroethylene (PTFE) film filtering material 4.
A kind of heat of film filtering material is melted film covering device, comprises high temperature hot-rolling 1, Compound rubber roller 2, stripper roll 3, chill roll 5, film guiding roller 6, fabric guide roll 9 and frame 10.Successively high temperature hot-rolling 1, Compound rubber roller 2 and chill roll 5 are loaded on frame 10 from top to bottom by vertical direction, control vertical precision by the dovetail guiding mechanism, make three roll shaft cores on a vertical straight line, wherein the diameter of high temperature hot-rolling 1 and chill roll 5 is that the diameter of φ 360mm, Compound rubber roller 2 and stripper roll 3 is φ 150mm, and the diameter of high temperature hot-rolling 1 and Compound rubber roller 2 is than being 2.4:1.High temperature hot-rolling 1 position is fixed, and Compound rubber roller 2 and chill roll 5 can be along the up and down gliding motilities of dovetail guiding mechanism.All the other are with embodiment one.
The prepared film filtering material of the present embodiment is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using.
Embodiment three: poly tetrafluoroethylene and fiberglass needled mat heat are melted overlay film.
the overlay film manufacture method of film filtering material is: at first the temperature with high temperature hot-rolling 1 is raised to 390 ℃, poly tetrafluoroethylene 7(is commercially available, specification FM10) and fiberglass needled mat 8(commercially available, specification GENW800) pass through respectively film guiding roller 6 and fabric guide roll 9, synchronously inputting heat with the linear velocity of 7m/min melts between the high temperature hot-rolling 1 and Compound rubber roller 2 of film covering device, poly tetrafluoroethylene 7 and fiberglass needled mat 8 heat under the linear pressure of the temperature of 390 ℃ and 10KN/m is melted compound, hightail high temperature hot-rolling 1 and obtain fiberglass needled mat through stripper roll 3 and cover polytetrafluoroethylene (PTFE) film filtering material 4.
A kind of heat of film filtering material is melted film covering device: comprise high temperature hot-rolling 1, Compound rubber roller 2, stripper roll 3, chill roll 5, film guiding roller 6, fabric guide roll 9 and frame 10.Successively high temperature hot-rolling 1, Compound rubber roller 2 and chill roll 5 are loaded on frame 10 from top to bottom by vertical direction, control vertical precision by line slideway, make three roll shaft cores on a vertical straight line, wherein the diameter of high temperature hot-rolling 1 and chill roll 5 is that the diameter of φ 360mm, Compound rubber roller 2 and stripper roll 3 is φ 200mm, and the diameter of high temperature hot-rolling 1 and Compound rubber roller 2 is than being 1.8:1.High temperature hot-rolling 1 position is fixed, and Compound rubber roller 2 and chill roll 5 can be along line slideway up and down gliding motilities.All the other are with embodiment one.
The prepared film filtering material of the present embodiment is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using.
Comparative example: poly tetrafluoroethylene and glass fabric heat are melted overlay film.
The combination process and the equipment that are called the disclosed a kind of film filtering material of the Chinese patent CN101279524 of " a kind of combination process of film filtering material and equipment " according to name, wherein the roller footpath of warm-up mill, lower compression roller and side pressure roller is φ 400mm.Poly tetrafluoroethylene (commercially available, specification FM10) and glass fabric (commercially available, specification EWTF750) are synchronously inputted with the speed of 4m/min between the warm-up mill and lower compression roller of composite equipment, at the temperature of 350 ℃, hot-forming with the linear pressure of 25kN/m; Hot-forming film filtering material is again after the heating of four of warm-up mill/one side, then with the linear pressure thermocompression forming of 18KN/m.
The aperture of the poly tetrafluoroethylene that the aperture ratio of the prepared film filtering material of this comparative example uses increases 1 times.
Comparative example and comparative example (seeing Table 1), the polytetrafluoroethylene (PTFE) film filtering material that adopts the present invention to produce has guaranteed the physics and chemistry performance of poly tetrafluoroethylene, it is little to the damage of poly tetrafluoroethylene that heat is melted overlay film, and the film filtering material that makes is consistent with the polytetrafluoroethylene (PTFE) membrane aperture of using.And the aperture of the poly tetrafluoroethylene that the aperture ratio of the prepared film filtering material of comparative example uses increases 1 times, and filter efficiency descends.
Table 1 embodiment and comparative example parameter comparison
Claims (7)
1. the heat of a film filtering material is melted film covering device, it is characterized in that: arrange successively high temperature hot-rolling, Compound rubber roller and chill roll from top to bottom by vertical direction, establish slack adjuster between high temperature hot-rolling and Compound rubber roller, go out the cloth side near a stripper roll at Compound rubber roller.
2. film filtering material heat according to claim 1 is melted film covering device, it is characterized in that: the roller footpath of described high temperature hot-rolling and chill roll is identical, its diameter is φ 360mm～φ 600mm, the roller footpath of Compound rubber roller and stripper roll is identical, its diameter is φ 150mm～φ 300 mm, and diameter both is than between 1.8～2.4.
3. the heat of film filtering material according to claim 1 is melted film covering device, it is characterized in that: the high temperature hot-rolling is stationary roll, and Compound rubber roller and chill roll are action roller, is controlled by oil cylinder or cylinder, can be along line slideway or the up and down gliding motility of dovetail guiding mechanism.
4. one kind is utilized the hot method of melting overlay film of device claimed in claim 1, it is characterized in that: when heat is melted overlay film, at first poly tetrafluoroethylene is synchronizeed with base material and input between high temperature hot-rolling and Compound rubber roller, peel off rear rolling by stripper roll after hot-forming, when heat is melted overlay film, poly tetrafluoroethylene is that line contacts with base material, the overlay film linear pressure is 6KN/m～15KN/m, and temperature is 375 ℃～410 ℃, and linear velocity is 5m/min～8 m/min.
5. method according to claim 4 is characterized in that: the overlay film gap between described high temperature hot-rolling and Compound rubber roller, can be in 0～5.00mm scope free adjustment.
6. method according to claim 4 is characterized in that: described high temperature hot-rolling is initiatively traction, and hauling speed is as the main speed of whole unit, Compound rubber roller and chill roll passive transport.
7. method according to claim 4, it is characterized in that: described Compound rubber roller and chill roll all assemble swivel joint, interior logical cooling water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310002135.7A CN103085429B (en) | 2013-01-05 | 2013-01-05 | A kind of heat of film filtering material melts film covering device and heat melts film covering method |
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| CN201310002135.7A CN103085429B (en) | 2013-01-05 | 2013-01-05 | A kind of heat of film filtering material melts film covering device and heat melts film covering method |
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| CN103085429B CN103085429B (en) | 2016-01-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977634A (en) * | 2014-05-03 | 2014-08-13 | 胡齐放 | Production device of membrane filter material |
| CN106042590A (en) * | 2016-07-21 | 2016-10-26 | 上海市凌桥环保设备厂有限公司 | High-temperature composite machine with high temperature compensation function |
| CN107825809A (en) * | 2017-11-30 | 2018-03-23 | 厦门三维丝环保股份有限公司 | The hot pressing film covering device and its processing technology of a kind of stiffening filtrate |
| CN108819426A (en) * | 2018-07-05 | 2018-11-16 | 爱美克空气过滤器（苏州）有限公司 | A kind of polytetrafluoroethylfilter filter material set composite and preparation method thereof |
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| CN101279524A (en) * | 2008-04-25 | 2008-10-08 | 江苏闳业机械有限公司 | Compound technique of film filtering material and equipment |
| GB2468356A (en) * | 2009-03-06 | 2010-09-08 | Charles Gardiner | Lamination machine |
| CN203063238U (en) * | 2013-01-05 | 2013-07-17 | 安徽锦鸿环保科技有限公司 | Hot melt film covering device of film filter material |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101279524A (en) * | 2008-04-25 | 2008-10-08 | 江苏闳业机械有限公司 | Compound technique of film filtering material and equipment |
| GB2468356A (en) * | 2009-03-06 | 2010-09-08 | Charles Gardiner | Lamination machine |
| CN203063238U (en) * | 2013-01-05 | 2013-07-17 | 安徽锦鸿环保科技有限公司 | Hot melt film covering device of film filter material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977634A (en) * | 2014-05-03 | 2014-08-13 | 胡齐放 | Production device of membrane filter material |
| CN103977634B (en) * | 2014-05-03 | 2015-11-25 | 胡齐放 | A kind of process units of coated filter material |
| CN105148616A (en) * | 2014-05-03 | 2015-12-16 | 胡齐放 | Device for producing membrane-covered filter medium |
| CN105148616B (en) * | 2014-05-03 | 2016-10-26 | 东莞市千洪电子有限公司 | A kind of device that coated filter material is produced |
| CN106042590A (en) * | 2016-07-21 | 2016-10-26 | 上海市凌桥环保设备厂有限公司 | High-temperature composite machine with high temperature compensation function |
| CN107825809A (en) * | 2017-11-30 | 2018-03-23 | 厦门三维丝环保股份有限公司 | The hot pressing film covering device and its processing technology of a kind of stiffening filtrate |
| CN108819426A (en) * | 2018-07-05 | 2018-11-16 | 爱美克空气过滤器（苏州）有限公司 | A kind of polytetrafluoroethylfilter filter material set composite and preparation method thereof |
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| CN103085429B (en) | 2016-01-27 |
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