CN210915612U - Composite filter element and water purification system - Google Patents
Composite filter element and water purification system Download PDFInfo
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- CN210915612U CN210915612U CN201921087584.5U CN201921087584U CN210915612U CN 210915612 U CN210915612 U CN 210915612U CN 201921087584 U CN201921087584 U CN 201921087584U CN 210915612 U CN210915612 U CN 210915612U
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Abstract
The utility model discloses a composite filter element and water purification system, composite filter element are including enabling by a plurality of filter layers that filter medium loops through from outer to inner, a plurality of filter layers are in proper order by outer to inner: a first nucleopore membrane layer; the scale inhibition layer is internally provided with a scale inhibitor. The composite filter element utilizes the characteristics of uniform pore diameter, uniform pore density and high porosity of the nuclear pore membrane to minimize the retention of trapped substances on the surface of the first nuclear pore membrane, relieves the blockage of filter pores, improves the filtration efficiency and prolongs the service life of a filter material; by adding the scale inhibitor, the problem of water quality scaling can be greatly relieved. The utility model discloses a composite filter element, it is small, the function is many, and is longe-lived, can satisfy multiple use scene, can regard as water purification system's leading filter core or rearmounted filter core alone, improve water purification system's purifying effect, improve the life-span of system, reduce water purification system's occupation space simultaneously.
Description
Technical Field
The utility model relates to a water purification technical field especially relates to a composite filter element and water purification system.
Background
The filter core is as drinking water purification installation's core component, and the structure, the performance of filter core influence purifier's result of use, and current filter core mainly is single material and makes, like active carbon filter core, single external pressure milipore filter etc. its purifying effect is not good, and simply establishes ties several kinds of filter cores, though can improve the purifying effect of drinking water usefulness, nevertheless has occupation space big, the equipment is complicated, connects a large amount scheduling problem. And the traditional particle separating filter element is used for multi-purpose non-woven fabrics, active carbon, sintered ceramics and other deep filtering materials. Because of the nature restriction of the multilayer structure of the material, the deep filter material often has uneven pore size, so that accurate filtering precision is difficult to obtain, and a scale inhibition device in the purification device is generally arranged independently, so that the structure is complex and the large volume is occupied.
SUMMERY OF THE UTILITY MODEL
Based on this, the to-be-solved technical problem of the utility model is to provide a small, the function is many, purifying effect is good composite filter core and water purification system.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a composite filter element, includes a plurality of filter layers that enable to be filtered medium and loop through from outer to inner, its characterized in that, a plurality of filter layers are by outer to inner in proper order:
a first nucleopore membrane layer;
the scale inhibition layer is internally provided with a scale inhibitor.
Further, the multiple filter layers further comprise an adsorption sterilization layer, the adsorption sterilization layer comprises graphene and activated carbon, and the graphene and the activated carbon form a composite material; the adsorption sterilization layer is arranged on the inner side of the scale inhibition layer, and the filtered medium enters the adsorption sterilization layer after passing through the scale inhibition layer.
Further, a second nuclear pore membrane layer is also included in the plurality of filter layers, the second nuclear pore membrane layer being positioned innermost of the plurality of filter layers.
Further, the mass percentage content range of the graphene in the composite material is 0.01% -20%.
Furthermore, the pore diameter range of the first nuclear pore membrane layer is 0.02-30 μm.
Furthermore, the pore diameter of the nuclear pore membrane of the second nuclear pore membrane layer is less than or equal to 3 mu m.
Furthermore, the inner side and the outer side of each filter layer are provided with non-woven fabric layers.
Further, the composite filter element is of a cylindrical structure, the filter layers are sequentially and annularly arranged from outside to inside, and a purified water flow channel is formed on the inner side of the innermost filter layer.
Further, the composite filter element comprises a tubular shell, and the plurality of filter layers are sequentially stacked in the tubular shell along the axial direction.
A water purification system comprises a water inlet, a pre-filter, a pump, a mid-filter, a post-filter and a water outlet tap, and is characterized in that the pre-filter comprises the composite filter element; or the post-filter comprises the composite filter element; or the composite filter element is arranged on the water outlet faucet.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
the composite filter element utilizes the characteristics of uniform pore diameter, uniform pore density and high porosity of the nuclear pore membrane to minimize the retention of trapped matters on the surface of the first nuclear pore membrane, relieves the blockage of filter pores, improves the filtering efficiency, prolongs the service life of filtering materials and provides a better water inlet environment for a fine filtering system; by adding the scale inhibitor, the problem of water quality scaling can be greatly relieved. The utility model discloses a composite filter element, it is small, the function is many, and is longe-lived, can satisfy multiple use scene, can regard as water purification system's leading filter core or rearmounted filter core alone, improve water purification system's purifying effect, improve the life-span of system, reduce water purification system's occupation space simultaneously.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the composite filter element of the present invention, which is a side inflow structure of the composite filter element;
fig. 2 is a structural schematic diagram of the composite filter element of the present invention, which is a direct-current water inlet structure of the composite filter element;
FIG. 3 is a first schematic view of the water purification system of the present invention, showing the use of the composite filter element as a pre-filter element;
FIG. 4 is a schematic view of a water purification system of the present invention, which is a schematic view of a composite filter element used as a post-filter element;
description of reference numerals:
a composite filter element 100;
a first nucleopore membrane layer 110; a scale inhibiting layer 120; a sterilizing adsorption layer 130; a second nucleopore membrane layer 140; a nonwoven fabric 150; end caps 161, 162; a tubular housing 163; a partition 164; a purified water flow passage 170;
a water inlet 200, a pre-filter 300, a pump 400, a mid-filter 500 and a post-filter 600; and a water outlet tap 700.
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 further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, in an embodiment of the composite filter element 100 of the present invention, the composite filter element 100 includes a plurality of filter layers that enable a filtered medium to sequentially pass from outside to inside. The filtered medium can be water, beverage and other liquid media. In this embodiment, the composite filter element 100 is applied to a water purification system as an example, and the flow direction of the filtered medium (water) is defined as from outside to inside. The plurality of filter layers are sequentially from outside to inside: a first nucleopore membrane layer 110 and a scale inhibiting layer 120. When the membrane is used in a pre-filter, the first nuclear pore membrane layer 110 can intercept impurities such as organic matters, silt, rust and the like in water, and preferably, the pore diameter of the first nuclear pore membrane layer 110 is 0.02-30 μm. A scale inhibitor is disposed in the scale inhibiting layer 120. Scale inhibitors include, but are not limited to, organophosphorus series, organophosphate series, non-phosphorus scale inhibitors, and the like. The scale inhibiting layer 120 can disperse the sparingly soluble inorganic salt in water, prevent or interfere with precipitation and scaling of the sparingly soluble inorganic salt, remove scale and prevent scale formation. The scale inhibition layer 120 may be composed of all scale inhibitors, or may be composed of scale inhibitors and other filter materials, including but not limited to activated carbon particles, activated carbon fibers, and the like, and can further improve the scale inhibition effect of the scale inhibitors.
The composite filter element 100 utilizes the characteristics of uniform pore diameter, uniform pore density and high porosity of the nuclear pore membrane, so that the retention amount of intercepted substances on the surface of the first nuclear pore membrane is minimized, the blockage of filter pores is relieved, the filtering efficiency is improved, the service life of a filtering material is prolonged, and a higher-quality water inlet environment is provided for a fine filtering system; by adding the scale inhibitor, the problem of water quality scaling can be greatly relieved. The utility model discloses a composite filter element 100, small, the function is many, and is longe-lived, can satisfy multiple use scene, can regard as water purification system's leading filter core or rearmounted filter core alone, improves water purification system's purifying effect, improves the life-span of system, reduces water purification system's occupation space simultaneously.
Further, the plurality of filter layers further include an adsorption sterilization layer 130, the adsorption sterilization layer 130 includes graphene and activated carbon, and the graphene and the activated carbon form a composite material. The composite manufacturing method of graphene and activated carbon is a known technology and will not be described in detail herein. In the embodiment, the graphene has a bactericidal and bacteriostatic effect, and the addition proportion of the graphene is within a range of 0.01-20%. Activated carbon further can efficiently adsorb impurities in water, and the activated carbon includes but is not limited to activated carbon particles, activated carbon fibers and the like. The graphene has extremely high specific surface energy and extremely high bactericidal performance, and the risk of overproof safe precipitation of the conventional heavy metal nanoparticles (such as nano silver) is eliminated; meanwhile, the graphene and active carbon composite material can enable the graphene to fully sterilize the impurities adsorbed by the active carbon, and the phenomenon that adsorbed impurities accumulate to generate more bacteria is avoided.
In this embodiment, the adsorption sterilizing layer 130 is disposed on the inner side of the scale inhibiting layer 120, and the filtered medium enters the adsorption sterilizing layer 130 after passing through the scale inhibiting layer 120. In other embodiments, the adsorption sterilization layer 130 may also be disposed between the first nuclear pore membrane layer 110 and the scale inhibiting layer 120.
In order to further improve the filtering effect of the composite filter element 100, a second nuclear pore membrane layer 140 is further included in the plurality of filtering layers, and the second nuclear pore membrane layer 140 is located at the innermost side of the plurality of filtering layers. Preferably, the pore diameter of the second nuclear pore membrane layer 140 is less than or equal to 3 μm, so that impurities, bacteria and the like in water can be further intercepted.
In this embodiment, both the inner and outer sides of each filter layer are provided with a layer of non-woven fabric 150. The non-woven fabric 150 layer not only can play a filtering role, but also can wrap and isolate each filtering layer. In the present embodiment, the filter layers are disposed in contact with each other, and in other embodiments, the filter layers may be disposed at intervals.
The utility model discloses a composite filter element 100 is carrying out structural design, and the layer 130 of disinfecting and antisludging layer 120 adsorbs can the alternative, also can be with two-layer melting as the one deck. The second nuclear pore membrane layer 140 can be added as a fine filtering layer according to the requirement. The pore diameters of the first nuclear pore membrane layer 110 and the second nuclear pore membrane layer 140 can also be reasonably set according to the use scene of the filter element.
The composite filter element 100 of the present embodiment can be designed into two structural forms, namely a side water inflow structure and a direct water inflow structure.
As shown in fig. 1, the side inflow structure of the composite filter element 100 is shown, the composite filter element 100 is a cylindrical structure, and includes end caps 161 at two ends, a plurality of filter layers are sequentially and annularly arranged from outside to inside, and are fixed by the end caps 161 at two sides, and a purified water flow passage 170 is formed inside the innermost filter layer. The raw water sequentially passes through the first nuclear pore membrane layer 110, the scale inhibition layer 120, the sterilization layer 130 and the second nuclear pore membrane layer 140 from outside to inside, flows out of the water purification channel and then enters the next system.
As shown in fig. 2, the direct-flow water inlet structure of the composite filter element 100 is provided, the composite filter element 100 includes a tubular housing 163, two ends of the tubular housing 163 are respectively provided with an end cap 162, a plurality of filter layers are sequentially stacked in the tubular housing 163 along the axial direction, and raw water is directly fed along the axial direction of the tubular housing 163 and sequentially passes through the first nuclear pore membrane layer 110, the scale inhibiting layer 120, the adsorption sterilization layer 130, and the second nuclear pore membrane layer 140. The filter layers are isolated and fixed by partitions 164.
The utility model discloses still include a water purification system, water purification system can be reverse osmosis membrane system, receive filtration system, ultrafiltration system, electrodialysis membrane system or ceramic membrane system. As shown in fig. 3 and 4, the water purification system includes a water inlet 200, a pre-filter 300, a pump 400, a mid-filter 500, a post-filter 600, and a water outlet tap 700. The middle filter 500 is in different water purification systems corresponding to different filters, for example, in a reverse osmosis membrane system, the middle filter is a reverse osmosis membrane filter. In the water purification system, as shown in fig. 3, the composite filter element 100 can be arranged in a front filter as a front filter element, or as shown in fig. 4, the composite filter element 100 can be arranged in a rear filter as a rear filter element, or can also be arranged on a water outlet tap as a water outlet filter element. The composite filter element can be independently used as a pre-filtering device, so that the purifying effect of the water purifying system is improved, the service life of the system is prolonged, and the occupied space of the water purifying system is reduced. It should be noted that, the utility model discloses a composite filter element uses the scene including but not limited to leading filter core, rearmounted filter core, play tap filter core, gondola water faucet filter core etc..
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (9)
1. The utility model provides a composite filter element, includes a plurality of filter layers that enable to be filtered medium and loop through from outer to inner, its characterized in that, a plurality of filter layers are by outer to inner in proper order:
a first nucleopore membrane layer;
the adsorption sterilization layer comprises graphene and activated carbon, and the graphene and the activated carbon form a composite material;
the scale inhibition layer is internally provided with a scale inhibitor; the adsorption sterilization layer is arranged on the inner side of the scale inhibition layer, and the filtered medium enters the adsorption sterilization layer after passing through the scale inhibition layer.
2. The composite filter element of claim 1, further comprising a second nuclear pore membrane layer in the plurality of filtration layers, the second nuclear pore membrane layer being innermost in the plurality of filtration layers.
3. The composite filter element according to claim 1, wherein the composite material contains graphene in an amount ranging from 0.01% to 20% by mass.
4. The composite filter element according to claim 1, wherein the first nuclear pore membrane layer has a nuclear pore membrane pore size ranging from 0.02 to 30 μm.
5. The composite filter element of claim 2, wherein the second nuclear pore membrane layer has a nuclear pore membrane pore size of 3 μm or less.
6. The composite filter element of claim 1, wherein each filter layer is provided with a non-woven layer on both the inner and outer sides.
7. The composite filter element of claim 1, wherein the composite filter element is a cylindrical structure, the plurality of filter layers are sequentially and annularly arranged from outside to inside, and the inner side of the innermost filter layer forms a purified water flow passage.
8. The composite filter element of claim 1, comprising a tubular housing in which the plurality of filter layers are sequentially stacked in an axial direction.
9. A water purification system comprising a water inlet, a pre-filter, a pump, a mid-filter, a post-filter and a water outlet tap, wherein the pre-filter comprises a composite cartridge according to any one of claims 1 to 8; or the post-filter comprises a composite filter element according to any one of claims 1 to 8; or the composite filter element as claimed in any one of claims 1 to 8 is arranged on the water outlet faucet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921087584.5U CN210915612U (en) | 2019-07-11 | 2019-07-11 | Composite filter element and water purification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921087584.5U CN210915612U (en) | 2019-07-11 | 2019-07-11 | Composite filter element and water purification system |
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| CN210915612U true CN210915612U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117228906A (en) * | 2023-11-15 | 2023-12-15 | 开源环境科技集团有限公司 | Printing and dyeing wastewater treatment process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117228906A (en) * | 2023-11-15 | 2023-12-15 | 开源环境科技集团有限公司 | Printing and dyeing wastewater treatment process |
| CN117228906B (en) * | 2023-11-15 | 2024-02-20 | 开源环境科技集团有限公司 | Printing and dyeing wastewater treatment process |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yanmei Inventor after: Gu Chunpeng Inventor after: Wang Haining Inventor after: Li Zhilu Inventor before: Wang Yanmei Inventor before: Wang Haining Inventor before: Li Zhilu |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210907 Address after: No. 157, Tianshan 2nd Road, Tongji sub district office, Jimo, Qingdao, Shandong 266228 Patentee after: Qingdao Haier Strauss Technology Co.,Ltd. Patentee after: QINGDAO HAIER STRAUSS WATER EQUIPMENT Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: No.1, Haier Road, Jiaozhou City, Qingdao City, Shandong Province Patentee before: QINGDAO HAIER STRAUSS WATER EQUIPMENT Co.,Ltd. Patentee before: Haier Zhijia Co.,Ltd. |
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| TR01 | Transfer of patent right |