CN211847447U - Filter element, filter element and water purification equipment - Google Patents
Filter element, filter element and water purification equipment Download PDFInfo
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- CN211847447U CN211847447U CN201922204602.XU CN201922204602U CN211847447U CN 211847447 U CN211847447 U CN 211847447U CN 201922204602 U CN201922204602 U CN 201922204602U CN 211847447 U CN211847447 U CN 211847447U
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Abstract
The utility model discloses a filter element, filter core and water purification unit, filter element includes: the water inlet is formed in the hole wall of the central pipe, and the water outlet is formed in the end part of the central pipe; and the filtering unit comprises a carbon fiber felt layer and a coarse filtering layer, the carbon fiber felt layer and the coarse filtering layer are wound on the central pipe in a combined mode, and the carbon fiber felt layer and/or the coarse filtering layer are/is provided with antibacterial materials. The utility model discloses the filter element is through adopting carbon fiber felt layer and coarse filter layer to laminate and roll up in the center tube, has fully utilized the performance that carbon fiber felt layer adsorption capacity is big, combines the pollutant carrying capacity of coarse filter layer to improve filter element's filter effect, avoid filter element's micropore to be blocked, improved filter element's flux stability; in addition, antibacterial materials are added to the carbon fiber felt layer and/or the post-coarse filtering layer, so that the filtering element has an antibacterial effect, the bacterial breeding is reduced, and the service life of the filtering element is prolonged.
Description
Technical Field
The utility model relates to a water purification technical field, in particular to filter element, filter core and water purification unit.
Background
The post-positioned carbon fiber filter element of the existing water heater is generally formed by a wet method. The carbon fiber wet-forming and wet-forming device consists of a central tube, an innermost non-woven fabric coating the central tube, wet-forming carbon fibers and an outermost non-woven fabric coating the carbon fibers. Water enters the carbon fiber layer through the outermost non-woven fabric from the side surface, then enters the central tube through the innermost non-woven fabric, and then purified water flows out of the central tube. In practice, it has been found that such a filter element is susceptible to rapid flux decay due to fouling. The reasons are 1) the low porosity of wet-formed carbon fibers; 2) the turbidity is almost removed only by the non-woven fabric at the outermost layer, and the non-woven fabric at the outermost layer needs to be made into a non-woven fabric with higher hardness, so that the wet-process compressed carbon fiber can be fixed, and the non-woven fabric with higher hardness has low porosity and is easy to block.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide a filter element, which aims to solve the technical problem of how to improve the flux stability of the filter element.
To achieve the above object, the present invention provides a filter element comprising:
the hole wall of the central pipe is provided with a water inlet, and the end part of the central pipe forms a water outlet;
and the filtering unit comprises a carbon fiber felt layer and a coarse filtering layer, the carbon fiber felt layer and the coarse filtering layer are wound on the central pipe in a laminating mode, and the carbon fiber felt layer and/or the coarse filtering layer are/is provided with antibacterial materials.
Optionally, the antimicrobial material is distributed in the carbon fiber felt layer, and the antimicrobial material comprises a silver-loaded antimicrobial material.
Optionally, the thickness of the carbon fiber felt layer is not less than 1.2mm and not more than 2.2 mm; and/or the grammage of the carbon fiber felt layer is not less than 150g/m2And does not exceed 180g/m2。
Optionally, the specific surface area of the carbon fiber felt layer is not less than 1600m2Is/g and does not exceed 1800m2/g。
Optionally, the coarse filtration layer is a non-woven fabric layer, and the thickness of the non-woven fabric layer is not less than 0.15mm and not more than 0.5 mm; and/or the gram weight of the non-woven fabric layer is not less than 15g/m2And does not exceed 60g/m2。
Optionally, the coarse filter layer is a non-woven fabric layer, and the antibacterial layerThe material is distributed on the non-woven fabric layer, and the thickness of the non-woven fabric layer is not less than 0.2mm and not more than 0.4 mm; and/or the antibacterial material is distributed on the non-woven fabric layer, and the gram weight of the non-woven fabric layer is not less than 20g/m2And does not exceed 40g/m2。
Optionally, both the innermost layer and the outermost layer of the filter unit are the coarse filter layer.
Optionally, the filter element further comprises a PP film wound around an outer circumferential side of the filter unit.
The utility model also provides a filter core, including straining the shell and locating the filter element who strains in the shell, this filter element includes: the hole wall of the central pipe is provided with a water inlet, and the end part of the central pipe forms a water outlet; and the filtering unit comprises a carbon fiber felt layer and a coarse filtering layer, the carbon fiber felt layer and the coarse filtering layer are wound on the central pipe in a laminating mode, and the carbon fiber felt layer and/or the coarse filtering layer are/is provided with antibacterial materials.
The utility model also provides a water purification unit, include as above the filter core.
The utility model discloses the filter element is through adopting carbon fiber felt layer and coarse filter layer to laminate and roll up in the center tube, has fully utilized the performance that carbon fiber felt layer adsorption capacity is big, combines the pollutant carrying capacity of coarse filter layer to improve filter element's filter effect, avoid filter element's micropore to be blocked, improved filter element's flux stability; in addition, antibacterial materials are added to the carbon fiber felt layer and/or the post-coarse filtering layer, so that the filtering element has an antibacterial effect, the bacterial breeding is reduced, and the service life of the filtering element is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a filter element according to the present invention;
fig. 2 is a schematic winding diagram of an embodiment of the filter element of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
20 | |
21 | Carbon fiber felt |
| 22 | |
30 | |
11 | |
| 12 | Water outlet |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a filter element.
In an embodiment of the present invention, as shown in fig. 1 and 2, the filter element includes: the water-saving pipe comprises a central pipe 10, wherein a water inlet 11 is formed in the hole wall of the central pipe 10, and a water outlet 12 is formed in the end part of the central pipe 10; the filtering unit 20 comprises a carbon fiber felt layer 21 and a coarse filtering layer 22, the carbon fiber felt layer 21 and the coarse filtering layer 22 are wound on the central tube 10 in a superposed mode, and the carbon fiber felt layer 21 and/or the coarse filtering layer 22 are/is provided with antibacterial materials.
In the present embodiment, the number of the water inlets 11 is plural and is arranged at intervals along the circumferential direction and the axial direction of the central tube 10 to increase the water inlet rate of the central tube 10. The water outlet 12 may be formed at one end of the central tube 10, or may be formed at both ends of the central tube 10, which is not limited herein, and only needs to satisfy that the pure water filtered by the filtering unit 20 can flow out from the end of the central tube 10. The carbon fiber felt layer 21 and the coarse filter layer 22 are laminated and wound around the outer circumference of the center pipe 10 to form a cylindrical filter unit 20 for filtering raw water. Raw water passes through the micropores of the carbon fiber felt layer 21 and the coarse filtration layer 22, impurities in the raw water are filtered by the filter material and adsorbed on the carbon fiber felt layer 21 and the coarse filtration layer 22, and the raw water passes through the filter unit 20 to form pure water which enters the central tube 10. The carbon fiber felt is a felt made of carbon fibers, the carbon fibers are efficient adsorption materials, have a highly developed microporous structure, are large in adsorption capacity, high in desorption speed and good in purification effect, can be processed into felts of various specifications, and has the characteristics of heat resistance, acid resistance, alkali resistance and the like. Coarse filtration layer 22 can be the filter screen, also can be the non-woven fabrics, and coarse filtration layer 22 can get rid of the turbidity of raw water, has certain pollutant carrying capacity, combines the back with carbon fiber felt layer 21, can avoid coarse filtration layer 22 by the shutoff of impurity, from this, has improved filter unit 20's flux stability. The antibacterial material can be added to the carbon fiber felt layer 21 or the coarse filtering layer 22, and is not limited herein, and the antibacterial material has the function of inhibiting bacteria growth, and can reduce the bacteria breeding of the carbon fiber felt layer 21 and the coarse filtering layer 22, thereby improving the water quality and prolonging the service life of the filtering unit 20.
The utility model discloses filter element is through adopting carbon fiber felt layer 21 and coarse filter layer 22 coincide to convolute in center tube 10, has fully utilized the big performance of carbon fiber felt layer 21 adsorption capacity, combines the pollutant carrying capacity of coarse filter layer 22 to improve filter element's filter effect, avoid filter element's micropore to be blocked, improved filter element's flux stability; in addition, antibacterial materials are added in the carbon fiber felt layer 21 and/or the post-coarse filtering layer 22, so that the filtering element has an antibacterial effect, the breeding of bacteria is reduced, and the service life of the filtering element is prolonged.
Specifically, the antibacterial material is distributed in the carbon fiber felt layer 21, and the antibacterial material includes a silver-loaded antibacterial material. In this embodiment, the silver-loaded antibacterial material may be a long-acting biochar antibacterial material made of biochar-loaded silver particles, and the silver-loaded antibacterial material overcomes the instability and uneven distribution characteristics of other carriers (such as glass, zirconium phosphate, zeolite, ceramic, and activated carbon), so that the antibacterial effect of the filtering unit 20 is more stable and the distribution is more uniform.
In practical application, the thickness of the carbon fiber felt layer 21 is not less than 1.2mm and not more than 2.2 mm; and/or the grammage of the carbon fiber felt layer 21 is not less than 150g/m2And does not exceed 180g/m2(ii) a The specific surface area of the carbon fiber felt layer 21 is not less than 1600m2Is/g and does not exceed 1800m2(ii)/g; this improves the filtering effect of the carbon fiber felt layer 21 and improves the versatility of the carbon fiber felt.
In an embodiment, in combination with the above embodiment in which the antibacterial material is distributed on the carbon fiber felt layer 21, the coarse filtering layer 22 is a non-woven fabric layer, and the thickness of the non-woven fabric layer is not less than 0.15mm and does not exceed 0.5 mm; and/or the gram weight of the non-woven fabric layer is not less than 15g/m2And does not exceed 60g/m2(ii) a Therefore, the turbidity removing effect of the non-woven fabric layer can be improved, and the non-woven fabric layer and the carbon can be improvedThe combined filtering effect of the fibrous mat layer 21.
In another embodiment, the coarse filter layer 22 is a non-woven fabric layer, the antibacterial material is distributed on the non-woven fabric layer, and the thickness of the non-woven fabric layer is not less than 0.2mm and not more than 0.4 mm; and/or the antibacterial material is distributed on the non-woven fabric layer, and the gram weight of the non-woven fabric layer is not less than 20g/m2And does not exceed 40g/m2(ii) a Therefore, the antibacterial effect of the non-woven fabric can be improved, and the universality of the non-woven fabric can be improved.
Specifically, as shown in fig. 1, the innermost layer and the outermost layer of the filter unit 20 are the coarse filter layer 22. In the embodiment, in the winding direction of the carbon fiber felt, two adjacent uniform coarse filter layers 22 of the carbon fiber felt layer 21, that is, the coarse filter layers 22 are both closest to the central tube 10 and farthest from the central tube 10, so that the coarse filter layers 22 can effectively wrap and support the carbon fiber felt layer 21, and the carbon fiber felt layer 21 with a loose structure is prevented from being scattered into the central tube 10 when the water pressure is high, so as to improve the stability of the filter unit 20. In the winding process, a circle of coarse filter layer 22 may be wound around the outer circumference of the central tube 10, and then the carbon fiber felt layer 21 and the coarse filter layer 22 are integrally wound in an overlapping manner, so that the carbon fiber felt layer 21 is ensured to abut against the innermost coarse filter layer 22, and the outermost layer of the filter unit 20 formed by winding is also the coarse filter layer 22.
In practical applications, the filter element further includes a PP film 30 wound around the outer circumference of the filter unit 20. The PP film 30 can also play a role in removing turbidity from raw water to some extent, and can also effectively protect the non-woven fabric layer, so that the filtering unit 20 can be applied to different filtering environments, and the stability is improved.
The utility model also provides a filter core, this filter core include strain the shell and install the filter element in straining the shell, and this filter element's concrete structure refers to above-mentioned embodiment, because this filter core has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The utility model discloses still provide a water purification unit, this water purification unit include a filter core, and the concrete structure of this filter core refers to above-mentioned embodiment, because this water purification unit has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A filter element, comprising:
the hole wall of the central pipe is provided with a water inlet, and the end part of the central pipe forms a water outlet;
and the filtering unit comprises a carbon fiber felt layer and a coarse filtering layer, the carbon fiber felt layer and the coarse filtering layer are wound on the central pipe in a laminating mode, and the carbon fiber felt layer and/or the coarse filtering layer are/is provided with antibacterial materials.
2. The filter element of claim 1, wherein the antimicrobial material is distributed through the carbon fiber felt layer, and wherein the antimicrobial material comprises a silver-loaded antimicrobial material.
3. The filter element of claim 1, wherein the carbon fiber felt layer has a thickness of not less than 1.2mm and not more than 2.2 mm; and/or the grammage of the carbon fiber felt layer is not less than 150g/m2And does not exceed 180g/m2。
4. The filter element according to claim 1, wherein the carbon fiber felt layer has a specific surface area of not less than 1600m2Is/g and does not exceed 1800m2/g。
5. The filter element according to claim 2, wherein,the coarse filtration layer is a non-woven fabric layer, and the thickness of the non-woven fabric layer is not less than 0.15mm and not more than 0.5 mm; and/or the gram weight of the non-woven fabric layer is not less than 15g/m2And does not exceed 60g/m2。
6. The filter element of claim 1, wherein the coarse filter layer is a non-woven fabric layer, the antibacterial material is distributed on the non-woven fabric layer, and the thickness of the non-woven fabric layer is not less than 0.2mm and not more than 0.4 mm; and/or the antibacterial material is distributed on the non-woven fabric layer, and the gram weight of the non-woven fabric layer is not less than 20g/m2And does not exceed 40g/m2。
7. The filter element according to any one of claims 1 to 6, wherein both the innermost and outermost layers of the filter unit are the coarse filter layer.
8. The filter element according to claim 7, further comprising a PP film wound around an outer circumferential side of the filter unit.
9. A filter cartridge comprising a filter element according to any one of claims 1 to 8.
10. A water purification apparatus comprising a cartridge as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204602.XU CN211847447U (en) | 2019-12-09 | 2019-12-09 | Filter element, filter element and water purification equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204602.XU CN211847447U (en) | 2019-12-09 | 2019-12-09 | Filter element, filter element and water purification equipment |
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| Publication Number | Publication Date |
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| CN211847447U true CN211847447U (en) | 2020-11-03 |
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| CN201922204602.XU Active CN211847447U (en) | 2019-12-09 | 2019-12-09 | Filter element, filter element and water purification equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113509789A (en) * | 2021-05-19 | 2021-10-19 | 杭州科百特科技有限公司 | Battery thick liquids filter core and battery thick liquids filter system for filtration system |
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2019
- 2019-12-09 CN CN201922204602.XU patent/CN211847447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113509789A (en) * | 2021-05-19 | 2021-10-19 | 杭州科百特科技有限公司 | Battery thick liquids filter core and battery thick liquids filter system for filtration system |
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