CN214681068U - A wood pulp paper composite nanomembrane filter material - Google Patents
A wood pulp paper composite nanomembrane filter material Download PDFInfo
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- CN214681068U CN214681068U CN202022510374.1U CN202022510374U CN214681068U CN 214681068 U CN214681068 U CN 214681068U CN 202022510374 U CN202022510374 U CN 202022510374U CN 214681068 U CN214681068 U CN 214681068U
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- Prior art keywords
- polyvinylidene fluoride
- wood pulp
- pulp paper
- nano
- nanomembrane
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- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 title claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 37
- 239000002033 PVDF binder Substances 0.000 claims abstract description 35
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000001523 electrospinning Methods 0.000 claims abstract 2
- 239000002120 nanofilm Substances 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 230000002411 adverse Effects 0.000 abstract 1
- 238000010041 electrostatic spinning Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 9
- 239000002121 nanofiber Substances 0.000 description 7
- 230000003137 locomotive effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
本实用新型属于物质过滤领域，具体涉及一种木浆纸复合纳米膜过滤材料，包括木浆纸，所述木浆纸上表面连接有纳米膜。纳米膜上多个聚偏氟乙烯纤维之间相互垂直交错分布，聚偏氟乙烯纤维之间的间距大小相同，且聚偏氟乙烯纤维之间的孔隙率为纳米级；在木浆纸上使用静电纺丝技术，将聚偏氟乙烯纤维纳米膜复合在木浆纸上，因聚偏氟乙烯纤维纳米膜本身具有高过滤效率和低空气阻力的性能，使聚偏氟乙烯纤维纳米膜在随容尘量增加的过程中，对能量的消耗减少，且聚偏氟乙烯纤维纳米膜质轻、具有良好的机械性能，不易在生产加工和使用的过程中发生断裂的情况，不影响过滤介质的过滤效率，且不会对工作人员的身体健康造成不良影响。
The utility model belongs to the field of material filtration, in particular to a wood pulp paper composite nano-membrane filter material, which comprises wood pulp paper, and the upper surface of the wood pulp paper is connected with a nano-membrane. Multiple polyvinylidene fluoride fibers on the nanomembrane are vertically staggered, the spacing between the polyvinylidene fluoride fibers is the same, and the porosity between the polyvinylidene fluoride fibers is nanoscale; used on wood pulp paper Electrospinning technology, composite polyvinylidene fluoride fiber nanomembrane on wood pulp paper, because polyvinylidene fluoride fiber nanomembrane itself has the performance of high filtration efficiency and low air resistance, so that polyvinylidene fluoride fiber nanomembrane can be In the process of increasing the dust holding capacity, the energy consumption is reduced, and the polyvinylidene fluoride fiber nanomembrane is light in weight and has good mechanical properties, which is not easy to break during production, processing and use, and does not affect the filter medium. Filtration efficiency, and will not cause adverse effects on the health of the staff.
Description
Technical Field
The utility model relates to a material filters the field, concretely relates to compound nanometer membrane filtering material of wood pulp paper.
Background
The filtration is an operation that liquid or gas in suspension or solid particle-containing heating gas permeates through a medium under the action of a driving force or other external forces, and solid particles and other substances are intercepted by the filter medium, so that the solid and other substances are separated from the liquid or gas.
The prior art has the following problems:
the core filter medium in the existing high-efficiency air filter and the ultra-high-efficiency air filter is usually ultrafine glass fiber membrane or melt-blown fiber non-woven fabric, and although both can achieve higher filtering efficiency, the air resistance can be increased sharply along with the increase of dust holding capacity in the use process, thereby causing large energy consumption. In addition, glass fibers have poor folding resistance, are easily broken during processing and use, and have the possibility of causing cancer while affecting filtration efficiency.
The electrostatic spinning nanofiber membrane has attracted wide attention as a novel filter material, the filtering principle of the electrostatic spinning nanofiber membrane is complex, the electrostatic spinning nanofiber membrane is generally regarded as a result of combined action of five effects, namely an interception effect, an inertia effect, a diffusion effect, a gravity effect and an electrostatic effect, and the size, the fiber diameter and distribution, the porosity, the air flow speed and the like of particles are influenced by a synergistic combination mode of the effects. The nanofiber membrane has the characteristics of high filtering efficiency, low air resistance, low gram weight and the like, so that the nanofiber membrane can gradually replace the traditional fiber material and is applied to the aspects of industrial dust filtration, indoor air purification, locomotive air filtration and the like.
In order to solve the problems, the application provides a wood pulp paper composite nano-film filtering material.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a compound nanometer membrane filtering material of wood pulp paper has the characteristics that filtration efficiency is high and extension filter core life.
(II) technical scheme
In order to solve the technical problem, the utility model provides a compound nanometer membrane filtering material of wood pulp paper, including wood pulp paper, wood pulp paper upper surface is connected with nanometer membrane.
Preferably, the nano-film is a polyvinylidene fluoride fiber component, and the diameter of the polyvinylidene fluoride fiber is nano-scale.
Preferably, a plurality of polyvinylidene fluoride fibers on the nano-film are mutually vertically and alternately distributed, the sizes of the intervals among the polyvinylidene fluoride fibers are the same, and the porosity among the polyvinylidene fluoride fibers is nano-scale.
Preferably, the nano-film is compounded on the surface of the wood pulp paper through an electrostatic spinning process.
The above technical scheme of the utility model has following profitable technological effect:
use the electrostatic spinning technique on wood pulp paper, compound polyvinylidene fluoride fibre nano-film on wood pulp paper, improve wood pulp paper and filter, the hole, performances such as ventilative, because of polyvinylidene fluoride fibre nano-film itself has the performance of high filtration efficiency and low air resistance, make polyvinylidene fluoride fibre nano-film at the in-process along with holding the increase of dirt volume, reduce the consumption of energy, and polyvinylidene fluoride fibre nano-film matter is light, good mechanical properties has, be difficult for producing the cracked condition of in-process emergence with the use, do not influence the filtration efficiency of filter medium, the life of extension filter core, reduce maintenance work volume and maintenance cost, and can not cause harmful effects to staff's healthy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic perspective view of the present invention.
Reference numerals:
1. wood pulp paper; 2. and (4) a nano film.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the utility model provides a wood pulp paper composite nano-film filtering material, which comprises wood pulp paper 1, wherein the upper surface of the wood pulp paper 1 is connected with a nano-film 2.
In the embodiment, in order to solve the problem that the air resistance is increased sharply along with the increase of the dust holding capacity during the use of the filter medium, so that a large amount of energy is consumed. In addition, glass fibers have poor folding resistance, are easily broken during processing and use, and have the potential problem of carcinogenesis while affecting filtration efficiency.
As shown in fig. 1-2, the electrostatic spinning technology is used on the wood pulp paper 1, the polyvinylidene fluoride fiber nano-membrane 2 is compounded on the wood pulp paper 1, the performances of filtering, pore space, air permeability and the like of the wood pulp paper 1 are improved, because the polyvinylidene fluoride fiber nano-membrane 2 has the performances of high filtering efficiency and low air resistance, the polyvinylidene fluoride fiber nano-membrane 2 reduces the consumption of energy in the process of increasing along with the dust holding capacity, and the polyvinylidene fluoride fiber nano-membrane 2 is light in weight and has good mechanical performance, the condition of fracture is not easy to occur in the production, processing and using processes, the filtering efficiency of a filtering medium is not influenced, the service life of the filter element is prolonged, the maintenance workload and the maintenance cost are reduced, and no adverse effect is caused on the health of workers.
It should be noted that, the utility model discloses the compound electrostatic spinning nanofiber membrane of wood pulp paper 1 has high interception efficiency to submicron order granule, if be applied to locomotive air cleaner with this kind of complex film, not only can improve the filtration efficiency of filter, guarantees the biggest air mass flow of engine, can also prolong the life of filter core greatly simultaneously, reduces maintenance work volume and maintenance cost. Meanwhile, the material has high filtering efficiency, low cost, light weight and good mechanical property, can be used in a main filter element of an air filter of a heavy locomotive, and ensures the working efficiency of the heavy locomotive in severe environment.
The development introduction of the technical field is as follows: the air filter for the locomotive comprises an air filter and an air conditioner filter. The air filter is positioned in an air inlet system of the engine and mainly used for preventing dust and other harmful gas impurities in air from entering the air cylinder, ensuring the quality of air entering the air cylinder and meeting the air flow required by the normal work of the engine. The air conditioner filter is installed in air conditioner blower units of automobiles, airplanes, trains and the like and is used for filtering air entering a passenger cabin and discharging peculiar smell.
Currently, the filter material commonly used in engine air cleaners is a resin treated microporous wood pulp filter paper. The microporous filter paper is easy to block in the using process, needs frequent maintenance and replacement and is easy to cause fuel waste. Particularly, heavy equipment is often required to perform tasks under extreme conditions of harsh environments, and if air in an engine is not clean, the equipment cannot normally operate and cannot play the expected role. The electrostatic spinning nanofiber membrane is a novel filter material integrating high filtering efficiency and low air resistance, and has great application value in an air filter of a locomotive.
In this embodiment, in order to make the fibers for filtration not easily broken, the nano-membrane 2 is further a polyvinylidene fluoride fiber member, and the diameter of the polyvinylidene fluoride fiber is nano-scale.
In order to enable the nano-film 2 to filter dust particles with smaller sizes, a plurality of polyvinylidene fluoride fibers on the nano-film 2 are vertically and alternately distributed, the sizes of the intervals among the polyvinylidene fluoride fibers are the same, and the porosity among the polyvinylidene fluoride fibers is nano-scale.
In order to prevent polyvinylidene fluoride micro particles from diffusing into the surrounding environment and causing harm to the health of workers, the nano film 2 is further compounded on the surface of the wood pulp paper 1 through an electrostatic spinning process.
The utility model discloses a theory of operation and use flow: use the electrostatic spinning technique on wood pulp paper 1, compound polyvinylidene fluoride fibre nano-membrane 2 on wood pulp paper 1, improve wood pulp paper 1 and filter, the hole, performances such as ventilative, because of polyvinylidene fluoride fibre nano-membrane 2 itself has the performance of high filtration efficiency and low air resistance, make polyvinylidene fluoride fibre nano-membrane 2 at the in-process that increases along with holding the dirt volume, reduce the consumption of energy, and polyvinylidene fluoride fibre nano-membrane 2 is light, good mechanical properties has, be difficult for producing the fracture condition in-process at processing and use, do not influence the filtration efficiency of filter medium, the life of extension filter core, reduce maintenance work volume and maintenance cost, and can not cause harmful effects to staff's health.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (3)
1. The utility model provides a compound nanometer membrane filtering material of wood pulp paper, its characterized in that, includes wood pulp paper (1), wood pulp paper (1) upper surface is connected with nanometer membrane (2), mutually perpendicular crisscross distribution between a plurality of polyvinylidene fluoride fibre on nanometer membrane (2), the interval size between the polyvinylidene fluoride fibre is the same, and the porosity between the polyvinylidene fluoride fibre is the nanometer.
2. The wood pulp paper composite nano-film filtering material as claimed in claim 1, wherein said nano-film (2) is made of polyvinylidene fluoride fiber component, and the diameter of polyvinylidene fluoride fiber is nano-scale.
3. The wood-pulp-paper composite nanomembrane filter material according to claim 1, wherein the nanomembrane (2) is composited on the surface of the wood-pulp-paper (1) through an electrospinning process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022510374.1U CN214681068U (en) | 2020-11-03 | 2020-11-03 | A wood pulp paper composite nanomembrane filter material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022510374.1U CN214681068U (en) | 2020-11-03 | 2020-11-03 | A wood pulp paper composite nanomembrane filter material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214681068U true CN214681068U (en) | 2021-11-12 |
Family
ID=78523083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022510374.1U Expired - Fee Related CN214681068U (en) | 2020-11-03 | 2020-11-03 | A wood pulp paper composite nanomembrane filter material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214681068U (en) |
-
2020
- 2020-11-03 CN CN202022510374.1U patent/CN214681068U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |