CN215742350U - High-efficient low resistance filtration - Google Patents
High-efficient low resistance filtration Download PDFInfo
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- CN215742350U CN215742350U CN202120577501.1U CN202120577501U CN215742350U CN 215742350 U CN215742350 U CN 215742350U CN 202120577501 U CN202120577501 U CN 202120577501U CN 215742350 U CN215742350 U CN 215742350U
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Abstract
The utility model discloses a high-efficiency low-resistance filter structure, which belongs to the field of filter material structures and comprises a framework layer, a nanofiber layer, a melt-blown layer, a dust holding layer and a protective layer which are sequentially arranged from outside to inside; the framework layer is used for providing support for the melt-blown layer; the nanofiber layer, the melt-blown layer and the dust holding layer are all used for filtering solid particles; the protective layer is used for protecting the surface of the dust containing layer. The nanofiber layer, the melt-blown layer and the dust containing layer are arranged from outside to inside by arranging the nanofiber layer on the surface of the melt-blown layer, so that the effect of intercepting and filtering three layers of solid particles is achieved, and the high-efficiency low-resistance filtering structure has high filtering efficiency, low filtering resistance and high dust containing capacity; the interception of the nanofiber layer on the surface of the melt-blown layer to the solid particles also plays a role in reducing the load of the melt-blown layer on filtering the solid particles, so that the electrostatic attenuation time of the melt-blown layer is prolonged, and the service life is prolonged.
Description
Technical Field
The utility model relates to the field of filter material structures, in particular to a high-efficiency low-resistance filter structure.
Background
In products such as air filter materials, liquid filter materials, isolation materials, absorbing materials, mask materials, heat insulation materials, oil absorption materials, wiping cloth and the like, usually, melt-blown cloth is needed to be used as a filter layer to filter substances such as spray, dust, bacteria and the like, but the melt-blown cloth can generate electrostatic attenuation in the using process to greatly reduce the filtering efficiency, so that the service life of the product is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency low-resistance filtering structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-efficiency low-resistance filtering structure is characterized by comprising a framework layer, a nanofiber layer, a melt-blown layer, a dust holding layer and a protective layer which are sequentially arranged from outside to inside;
the framework layer is used for providing support for the melt-blown layer;
the nanofiber layer, the melt-blown layer and the dust holding layer are all used for filtering solid particles;
the protective layer is used for protecting the surface of the dust containing layer.
Preferably, the nanofiber layer is made of polyacrylonitrile, polyamide, polyvinylidene fluoride.
Preferably, the nanofiber layer is formed on the surface of the skeleton layer by spraying, and the thickness of the nanofiber layer is as follows.
Preferably, the framework layer is made of polyethylene terephthalate or polypropylene, and the thickness of the framework layer is 1 μm-2 mm.
Preferably, the melt-blown layer is made of single component or double component of polypropylene, polyethylene terephthalate, polyamide and polyethylene, and the thickness of the melt-blown layer is 1 μm-3 mm.
Preferably, the dust containing layer is one of hot air cotton, electrostatic cotton and needle punched cotton, and the thickness of the dust containing layer is 1 μm-5 mm.
Preferably, the thickness of the protective layer is 1 μm to 3 mm; the protective layer is made of spun-bonded cloth.
Preferably, the framework layer, the melt-blown layer, the dust holding layer and the protective layer are formed by ultrasonic wave composite fitting.
The utility model has the beneficial effects that: the nanofiber layer, the melt-blown layer and the dust containing layer are arranged from outside to inside by arranging the nanofiber layer on the surface of the melt-blown layer, so that the effect of intercepting and filtering three layers of solid particles is achieved, and the high-efficiency low-resistance filtering structure has high filtering efficiency, low filtering resistance and high dust containing capacity; the interception of the nanofiber layer on the surface of the melt-blown layer to the solid particles also plays a role in reducing the load of the melt-blown layer on filtering the solid particles, so that the electrostatic attenuation time of the melt-blown layer is prolonged, and the service life is prolonged.
Drawings
The drawings are further illustrative of the utility model and the content of the drawings does not constitute any limitation of the utility model.
Fig. 1 is a schematic view of the overall structure of one embodiment of the present invention.
Wherein, the skeleton layer 1, the nanofiber layer 2, the melt-blown layer 3, the dust holding layer 4 and the protective layer 5.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Referring to the attached drawing 1, the high-efficiency low-resistance filter structure of the embodiment includes a framework layer 1, a nanofiber layer 2, a melt-blown layer 3, a dust holding layer 4 and a protective layer 5 which are sequentially arranged from outside to inside;
the framework layer 1 is used for providing support for the melt-blown layer 3, so that the strength of the filter structure is enhanced;
the protective layer 5 is used for protecting the surface of the dust containing layer 4 and preventing the dust containing layer 4 from being damaged;
the nanofiber layer 2 is used for filtering solid particles, the melt-blown layer 3 is used for electrostatically adsorbing and filtering the solid particles, and the dust containing layer 4 is used for filtering and adsorbing the solid particles, so that three filter layers for the solid particles are formed between the framework layer 1 and the protective layer 5, and three filter layers for adsorbing the solid particles with different particle sizes are formed by the nanofiber layer 2, the melt-blown layer 3 and the dust containing layer 4, so that the high-efficiency low-resistance filter structure of the embodiment has high filtering efficiency; the nanofiber layer 2 is arranged on the surface of the melt-blown layer 3, so that part of solid particles are intercepted by the nanofiber layer 2 before entering the melt-blown layer 3, the load of the melt-blown layer 3 for filtering the solid particles is reduced, the electrostatic attenuation time of the melt-blown layer 3 is prolonged, the service life of the high-efficiency low-resistance filtering structure of the embodiment is prolonged, the resistance of the nanofiber layer 2 to the air is small, and the filtering resistance of the filtering structure is low; the dust holding layer 4 is arranged, so that the filter structure has higher dust holding capacity.
Preferably, the nanofiber layer 2 is made of polyacrylonitrile, polyamide, or polyvinylidene fluoride, and is formed on the surface of the skeleton layer 1 by spraying. So that the nano fiber layer 2 which has the breathing property and can filter fine particles and block aerosol is formed on the surface of the framework layer 1.
Preferably, the framework layer 1 is made of polyethylene terephthalate or polypropylene, the melt-blown layer 3 is made of single component or double component of polypropylene, polyethylene terephthalate, polyamide and polyethylene, the dust containing layer 4 is made of one of hot air cotton, static cotton and needle-punched cotton, the protective layer 5 is made of spun-bonded cloth,
preferably, the thickness of the nanofiber layer 2 is; the thickness of the framework layer 1 is 1 mu m-2 mm; the thickness of the melt-blown layer 3 is 1 mu m-3 mm; the thickness of the dust containing layer 4 is 1 mu m-5 mm; the thickness of the protective layer 5 is 1 μm-3 mm; through the thickness more than setting up for filtration, under the circumstances of guaranteeing filtration efficiency, reduce filtration resistance.
Preferably, the framework layer 1, the melt-blown layer 3, the dust holding layer 4 and the protective layer 5 are formed by ultrasonic composite lamination. Through the compound fashioned mode of laminating of ultrasonic wave for casing layer 1, nanofiber layer 2, melt-blown layer 3, hold dirt layer 4 and protective layer 5 form integratively, make the high-efficient low resistance filtration of this embodiment have casing layer, nanofiber layer, melt-blown layer, hold dirt layer and the protective layer of arranging in proper order, through the compound of multilayer material, in order to reach better filter effect.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. A high-efficiency low-resistance filtering structure is characterized by comprising a framework layer, a nanofiber layer, a melt-blown layer, a dust holding layer and a protective layer which are sequentially arranged from outside to inside;
the framework layer is used for providing support for the melt-blown layer;
the nanofiber layer, the melt-blown layer and the dust holding layer are all used for filtering solid particles;
the protective layer is used for protecting the surface of the dust containing layer.
2. A high-efficiency low-resistance filter structure as claimed in claim 1, wherein said nanofiber layer is formed on the surface of said skeleton layer by spraying, and the thickness of said nanofiber layer is 0.1 μm-1 mm.
3. A high efficiency and low resistance filter structure as claimed in claim 1, wherein said skeleton layer is made of polyethylene terephthalate or polypropylene, and the thickness of said skeleton layer is 1 μm-2 mm.
4. A high efficiency and low resistance filter structure as claimed in claim 1, wherein said dust holding layer is made of one of hot air cotton, electrostatic cotton and needle punched cotton, and the thickness of said dust holding layer is 1 μm-5 mm.
5. A high efficiency low resistance filter structure as claimed in claim 1, wherein said protective layer has a thickness of 1 μm to 3 mm; the protective layer is made of spun-bonded cloth.
6. The high-efficiency low-resistance filtering structure of claim 1, wherein the framework layer, the melt-blown layer, the dust holding layer and the protective layer are formed by ultrasonic composite lamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577501.1U CN215742350U (en) | 2021-03-22 | 2021-03-22 | High-efficient low resistance filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577501.1U CN215742350U (en) | 2021-03-22 | 2021-03-22 | High-efficient low resistance filtration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215742350U true CN215742350U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120577501.1U Active CN215742350U (en) | 2021-03-22 | 2021-03-22 | High-efficient low resistance filtration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215742350U (en) |
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2021
- 2021-03-22 CN CN202120577501.1U patent/CN215742350U/en active Active
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