CN210786539U - Filter material with high filtering efficiency - Google Patents
Filter material with high filtering efficiency Download PDFInfo
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- CN210786539U CN210786539U CN201920608556.7U CN201920608556U CN210786539U CN 210786539 U CN210786539 U CN 210786539U CN 201920608556 U CN201920608556 U CN 201920608556U CN 210786539 U CN210786539 U CN 210786539U
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Abstract
The utility model relates to a filter media that filtration efficiency is high belongs to the filtering material field, and it is including the filter layer and the supporting layer that set up from top to bottom, the filter layer is including the well effect filter layer and the high-efficient filter layer that set up from top to bottom. The supporting layer is in a grid shape, the middle-effect filtering layer is an electrostatic cotton layer with the filtering efficiency grade of F5-F9, and the high-effect filtering layer is a melt-blown non-woven fabric layer with the filtering efficiency of H10-H14. The utility model discloses filtration efficiency is high, long service life.
Description
Technical Field
The utility model relates to a filtering material field, in particular to filter media that filtration efficiency is high.
Background
At present to the single-effect filtering static non-woven fabrics of particulate matter generally adopt individual layer static cotton or individual layer melt-blown non-woven fabrics and casing ply complex to constitute, cause like this that the filtration rank is more simplification, or high efficiency filter, or middle effect filter, for the life and the filtration efficiency of improvement material, the utility model discloses a filtering method step by step, by middle effect filterable material and high efficiency filter material layering combination, then compound and become folding filter material with the casing ply again to improved the filter effect of filter media and prolonged the life of filter media, also can reduce the use cost of material.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a filter medium with high filtering efficiency, which comprises a filtering layer and a supporting layer, wherein the filtering layer comprises a middle-effect filtering layer and a high-effect filtering layer.
The utility model discloses a filtering method step by step, by well effect filterable layer and high-efficient filter layer layering combination, then form folding filtering material with the supporting layer is compound again, improved the filter effect of filter media, and prolonged the life of filter media, also can reduce the cost of manufacture of filter media.
Wherein the filter layer can allow air to pass through and is made of PET material.
Preferably, the support layer is in a grid shape, the middle-effect filter layer is an electrostatic cotton layer with the filtering efficiency grade of F5-F9, and the high-effect filter layer is a melt-blown non-woven fabric layer with the filtering efficiency of H10-H14.
The latticed supporting layer can guarantee that the air through the filter layer passes through the supporting layer smoothly, during the filtration, the line is received to the air and is passed through the static cotton layer that the filtration efficiency grade is F5-F9, the air is by prefilter, then pass through the melt-blown non-woven fabrics layer that filtration efficiency is H10-H14 again, the air is by further filtration, and before the air is further filtered, most particulate matter in the air has been filtered by the middle effect filter layer, therefore the efficiency when the air is filtered by the high efficiency filter layer is higher, can avoid the high efficiency filter layer to be blockked up by great isolation simultaneously, the life of extension filter media.
Furthermore, the medium-efficiency filter layer and the high-efficiency filter layer are mutually bonded, and the high-efficiency filter layer and the support layer are mutually bonded.
The electrostatic cotton layer and the melt-blown non-woven fabric layer can be bonded together in an ultrasonic heating mode, namely, ultrasonic waves are used for bonding the electrostatic cotton layer and/or the melt-blown non-woven fabric layer on a plurality of contact points of the contact surface of the electrostatic cotton layer and the melt-blown non-woven fabric layer, so that the electrostatic cotton layer and the melt-blown non-woven fabric layer are bonded together, the area of the contact points is small, and air can be guaranteed to smoothly pass through the filter layer and the support layer; the electrostatic cotton layer and the melt-blown non-woven fabric layer can be further provided with a plurality of glue points on the contact surface of the electrostatic cotton layer and the melt-blown non-woven fabric layer through glue spraying equipment, and then the electrostatic cotton layer and the melt-blown non-woven fabric layer are laminated together, so that the electrostatic cotton layer and the melt-blown non-woven fabric layer are bonded with each other. Wherein, the area of gluing the point is very little, can guarantee that the air passes through filter layer and supporting layer smoothly.
Furthermore, the supporting layer protrudes upwards towards the filtering layer part to form a plurality of protrusions, and the filtering layer is attached to the surfaces of the protrusions.
The filter layer attached to the support layer also correspondingly forms a protrusion part, so that particles adhered together in the air can collide against the protrusion part when being blown to the filter layer, and the particles adhered together can be scattered by the protrusion part due to uneven force when colliding against the protrusion part because the surface of the protrusion part is not plane, so that the particles adhered together can not block meshes of the support layer.
Furthermore, the protrusions are hemispherical.
The hemispherical convex surface is arc surface, so that the particles adhered together in the air can collide against the arc surface when being blown to the convex part of the filter layer, thereby the particles adhered together are scattered due to uneven stress, and the particles adhered together are prevented from blocking the meshes of the support layer.
Furthermore, a through hole penetrating through the protrusion is formed in the top end of the protrusion.
Wherein, the connection point between the electrostatic cotton layer and the melt-blown non-woven fabric layer is positioned on the flat surface of each protruding part; the attached part on the through-hole of filter layer is not attached to on the supporting layer, therefore when the particulate matter in the air collided the filter layer of this part, can be so that the filter layer of this part trembles for the supporting layer, and then drives the supporting layer shake around this part supporting layer, and then can shake off the particulate matter of adhesion on the supporting layer, avoid the supporting layer to be blockked up by the particulate matter to increase the filtration efficiency of filter media, prolong the life of filter media.
Furthermore, the edge of the through hole is provided with a protective ring.
After the latticed supporting layer is provided with the through holes, sharp rod-shaped structures can appear in the supporting grooves at the edges of the through holes, and the protective ring can cover the sharp rod-shaped structures, so that the filter layer is prevented from being damaged by the sharp rod-shaped structures, and the filtering performance of the filter material is ensured.
The principle and effect of the present invention will be further explained by combining the above technical solutions:
the utility model discloses a filtering method step by step, by well effect filterable layer and high-efficient filter layer layering combination, then form folding filtering material with the supporting layer is compound again, improved the filter effect of filter media, and prolonged the life of filter media, also can reduce the cost of manufacture of filter media.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a filter material with high filtering efficiency according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a filter material with high filtration efficiency according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the supporting layer according to an embodiment of the present invention.
Description of reference numerals:
1-filter layer, 11-middle effect filter layer, 12-high effect filter layer, 13-protrusion part, 2-support layer, 21-protrusion, 211-through hole, 22-mesh.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
referring to fig. 1-3, a filter material with high filtering efficiency comprises a filtering layer 1 and a supporting layer 2 which are arranged up and down, wherein the filtering layer 1 comprises a middle-effect filtering layer 11 and a high-effect filtering layer 12 which are arranged up and down.
The utility model discloses a filtering method step by step, by well effect filterable layer and the 12 layering combinations of high-efficient filter layer, then compound and become folding filtering material with supporting layer 2 again, improved the filter effect of filter media, and prolonged the life of filter media, also can reduce the cost of manufacture of filter media.
Wherein the filter layer 1 can allow air to pass through, and the filter layer 1 is made of PET material.
In one embodiment, the support layer 2 is in a grid shape, the middle-effect filter layer 11 is an electrostatic cotton layer with a filtering efficiency grade of F5-F9, and the high-effect filter layer 12 is a melt-blown non-woven fabric layer with a filtering efficiency grade of H10-H14.
Latticed supporting layer 2 can guarantee that the air through filter layer 1 passes through supporting layer 2 smoothly, during the filtration, the line is received to the air and is passed through the static cotton layer that filtration efficiency grade is F5-F9, the air is by prefiltration, then pass through the melt-blown non-woven fabrics layer that filtration efficiency is H10-H14 again, the air is by further filtration, and before the air is further filtered, most particulate matter in the air has been filtered by middle effect filter layer 11, therefore the efficiency when the air is filtered by high efficiency filter layer 12 is higher, can avoid high efficiency filter layer 12 to be blockked up by great isolation simultaneously, the life of extension filter media.
In one embodiment, the middle efficiency filter layer 11 and the high efficiency filter layer 12 are adhered to each other, and the high efficiency filter layer 12 and the support layer 2 are adhered to each other.
The electrostatic cotton layer and the melt-blown non-woven fabric layer can be bonded together in an ultrasonic heating mode, namely, ultrasonic waves are used for bonding the electrostatic cotton layer and/or the melt-blown non-woven fabric layer on a plurality of contact points of the contact surface of the electrostatic cotton layer and the melt-blown non-woven fabric layer, so that the electrostatic cotton layer and the melt-blown non-woven fabric layer are bonded together, the area of the contact points is small, and air can be guaranteed to smoothly pass through the filter layer 1 and the support layer 2; the electrostatic cotton layer and the melt-blown non-woven fabric layer can be further provided with a plurality of glue points on the contact surface of the electrostatic cotton layer and the melt-blown non-woven fabric layer through glue spraying equipment, and then the electrostatic cotton layer and the melt-blown non-woven fabric layer are laminated together, so that the electrostatic cotton layer and the melt-blown non-woven fabric layer are bonded with each other. Wherein, the glue dot area is very small, can guarantee that the air passes through filter layer 1 and supporting layer 2 smoothly.
In one embodiment, the support layer 2 partially protrudes toward the filter layer 1 to form a plurality of protrusions 21, and the filter layer 1 is attached to the surfaces of the protrusions 21.
The filter layer 1 attached to the supporting layer 2 also forms a protrusion 13, so that particles in air which are bonded together will collide with the protrusion 13 when being blown to the filter layer 1, and because the surface of the protrusion 13 is not flat, the particles which are bonded together will be scattered by the protrusion 13 due to uneven force when colliding with the protrusion 13, so as to prevent the particles which are bonded together from blocking the mesh 22 of the supporting layer 2.
In one embodiment, the protrusions 21 are hemispherical.
The surfaces of the hemispherical bulges 21 are arc-surface-shaped, so that the particles adhered together in the air can collide against the arc surface when being blown to the bulges 21 of the filter layer 1, thereby enabling the particles adhered together to be scattered due to uneven stress, and further avoiding the particles adhered together from blocking the meshes 22 of the support layer 2.
In one embodiment, the top end of the protrusion 21 is provided with a through hole 211 penetrating through the protrusion 21.
Wherein, the connection point between the electrostatic cotton layer and the melt-blown non-woven fabric layer is positioned on the flat surface of each protruding part 13; filter layer 1 is attached not attached on supporting layer 2 in the part on through-hole 211, consequently the particulate matter in the air hits when this partial filter layer 1, can make this partial filter layer 1 shake for supporting layer 2, and then drive the 2 shakes of supporting layer around this part supporting layer 2, and then can shake off the particulate matter of adhesion on the supporting layer 2, avoid supporting layer 2 to be blockked up by the particulate matter, with the filtration efficiency that increases the filter media, the life of extension filter media.
In one embodiment, the edge of the through hole 211 is provided with a protective ring.
After the latticed supporting layer 2 is provided with the through holes 211, sharp rod-shaped structures can appear in the supporting grooves at the edges of the through holes 211, and the protective rings can cover the sharp rod-shaped structures, so that the sharp rod-shaped structures are prevented from damaging the filtering layer 1, and the filtering performance of the filtering material is ensured.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A filter material with high filtering efficiency comprises a filtering layer and a supporting layer which are arranged up and down, and is characterized in that the filtering layer comprises a middle-effect filtering layer and a high-efficiency filtering layer which are arranged up and down; the supporting layer is in a grid shape, the middle-effect filtering layer is an electrostatic cotton layer with the filtering efficiency grade of F5-F9, the high-effect filtering layer is a melt-blown non-woven fabric layer with the filtering efficiency of H10-H14, the supporting layer protrudes upwards towards the part of the filtering layer to form a plurality of bulges, and the filtering layer is attached to the surfaces of the bulges.
2. The filter medium of claim 1, wherein the middle efficiency filter layer and the high efficiency filter layer are bonded to each other, and the high efficiency filter layer and the support layer are bonded to each other.
3. The filter medium of claim 1, wherein the protrusions have a hemispherical shape.
4. The filter medium with high filtration efficiency according to claim 1, wherein the top end of the protrusion is provided with a through hole penetrating through the protrusion.
5. The filter medium with high filtration efficiency according to claim 4, wherein a protective ring is provided at the edge of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920608556.7U CN210786539U (en) | 2019-04-29 | 2019-04-29 | Filter material with high filtering efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920608556.7U CN210786539U (en) | 2019-04-29 | 2019-04-29 | Filter material with high filtering efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN210786539U true CN210786539U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920608556.7U Expired - Fee Related CN210786539U (en) | 2019-04-29 | 2019-04-29 | Filter material with high filtering efficiency |
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| CN (1) | CN210786539U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905461A (en) * | 2020-07-29 | 2020-11-10 | 高博集团有限公司 | PM2.5 vehicle-mounted air filter material and preparation method thereof |
| CN114622324A (en) * | 2022-02-22 | 2022-06-14 | 南通市辉鑫玻璃纤维有限公司 | Preparation process of high-density dust removal cloth bag glass fiber filter material |
-
2019
- 2019-04-29 CN CN201920608556.7U patent/CN210786539U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905461A (en) * | 2020-07-29 | 2020-11-10 | 高博集团有限公司 | PM2.5 vehicle-mounted air filter material and preparation method thereof |
| CN111905461B (en) * | 2020-07-29 | 2022-04-08 | 高博集团有限公司 | PM2.5 vehicle-mounted air filter material and preparation method thereof |
| CN114622324A (en) * | 2022-02-22 | 2022-06-14 | 南通市辉鑫玻璃纤维有限公司 | Preparation process of high-density dust removal cloth bag glass fiber filter material |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |