CN216825666U - Hollow fiber membrane silk structure, compound filter element group spare and purifier - Google Patents
Hollow fiber membrane silk structure, compound filter element group spare and purifier Download PDFInfo
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- CN216825666U CN216825666U CN202220191047.0U CN202220191047U CN216825666U CN 216825666 U CN216825666 U CN 216825666U CN 202220191047 U CN202220191047 U CN 202220191047U CN 216825666 U CN216825666 U CN 216825666U
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- 239000012528 membrane Substances 0.000 title claims abstract description 56
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 35
- 150000001875 compounds Chemical class 0.000 title abstract description 11
- 230000008093 supporting effect Effects 0.000 claims abstract description 63
- 238000000926 separation method Methods 0.000 claims abstract description 61
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000007787 solid Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 18
- 238000001728 nano-filtration Methods 0.000 claims description 13
- 239000008213 purified water Substances 0.000 claims description 6
- 238000001223 reverse osmosis Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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Abstract
The utility model provides a hollow fiber membrane silk structure, compound filter element group spare and purifier, hollow fiber membrane silk structure, it includes: the separation layer is of a hollow cylindrical structure, the middle supporting layer is arranged in an inner cavity of the separation layer in a penetrating mode, the supporting base layer is arranged in the inner periphery of the middle supporting layer in a penetrating mode, an entity supporting portion is arranged in the center of the inner periphery of the supporting base layer, the inner periphery of the supporting base layer is further provided with at least two hollow cavities extending along the axial direction of the separation layer, the entity supporting portion is located between the at least two hollow cavities, the separation layer can filter impurities, and fluid can be allowed to penetrate through the middle supporting layer and the supporting base layer. Through the utility model discloses a middle supporting layer plays reinforced (rfd) supporting role to the separation layer, promotes the compressive strength of membrane silk, can effectively solve the problem of disconnected silk, the reducible manufacturing cost of design of integration and convenient assembly.
Description
Technical Field
The utility model belongs to the technical field of the water purification, concretely relates to hollow fiber membrane silk structure, compound filter element group spare and purifier.
Background
At present, the hollow fiber membrane component directly pours membrane filaments into the component, the membrane filaments are not internally supported, and the membrane filaments are easily broken due to overhigh water pressure in the component. Therefore, in order to increase the compressive strength of the membrane filaments and reduce the filament breakage rate, it is necessary to develop a structure capable of supporting the membrane filaments internally, so as to increase the strength of the membrane filaments and prolong the service life of the membrane filaments.
Because the easy fracture of hollow fiber membrane silk among the traditional filter element group spare among the prior art technical problem such as short-lived, consequently the utility model discloses research and design a hollow fiber membrane silk structure, compound filter element group spare and purifier.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the easy fracture of hollow fiber membrane silk among the traditional filter element group spare among the prior art is damaged, short-lived to a hollow fiber membrane silk structure, compound filter element group spare and purifier are provided.
The utility model provides a hollow fiber membrane silk structure, it includes:
the separation layer is of a hollow cylindrical structure, the middle supporting layer is arranged in an inner cavity of the separation layer in a penetrating mode, the middle supporting layer is also of a hollow cylindrical structure, the support base layer is arranged in the inner periphery of the middle supporting layer in a penetrating mode, a solid supporting portion is arranged in the center of the inner periphery of the support base layer, the inner periphery of the support base layer is further provided with at least two hollow cavities extending along the axial direction of the separation layer, the solid supporting portion is located between the at least two hollow cavities, the separation layer can filter impurities, and the middle supporting layer and the support base layer can allow fluid to penetrate through the separation layer.
In some embodiments, the solid support and the support substrate are integrally formed.
In some embodiments, the hollow cavity allows water passing through the separation layer, the intermediate support layer and the support substrate in sequence to flow out of the hollow cavity to form purified water; and/or the separation layer is a nanofiltration separation layer or a reverse osmosis separation layer.
In some embodiments, the cross-sectional shape of the hollow cavity is circular; and/or the presence of a gas in the gas,
the number of the hollow cavities is three, the three hollow cavities are distributed at intervals along the circumferential direction of the support base layer, and the solid support part is located among the three hollow cavities.
In some embodiments, when there are three hollow cavities, the three hollow cavities are uniformly distributed along the circumferential direction of the support substrate in the cross section of the support substrate.
In some embodiments, the solid support comprises, in cross-section of the support substrate, two parting strips disposed in the hollow cavity, by which the hollow cavity is divided into 4 sub-cavities.
In some embodiments, two of the separator strips are arranged to intersect vertically within a cross-section of the support substrate; and 4 of the sub-cavities are all of fan-shaped structures with central angles of 90 degrees.
In some embodiments, the solid support comprises, in cross-section of the support substrate, three division bars disposed in the hollow cavity, by which the hollow cavity is divided into 3 sub-cavities.
In some embodiments, in a cross section of the support substrate, three of the separator strips are connected to the center of the separation layer at one end and extend radially outward at the other end, and are disposed with a rotation of 120 ° in the circumferential direction between two of the separator strips; and/or the presence of a gas in the gas,
in the cross section of the supporting base layer, the three separation strips are connected to form a Y-shaped structure.
The utility model also provides a compound filter element group spare, it includes preceding arbitrary hollow fiber membrane silk structure.
The utility model also provides a purifier, it includes aforementioned compound filter element group spare.
The utility model provides a pair of hollow fiber membrane silk structure, compound filter element group spare and purifier have following beneficial effect:
the utility model discloses a set up separating layer, intermediate strut layer and support basic unit, from radial outside to radial inboard direction, arrange separating layer, intermediate strut layer and support basic unit in proper order, especially the support basic unit is worn to locate the inner week of intermediate strut layer, the inner week of support basic unit has at least one edge the cavity that the axis direction of separating layer extends can support intermediate strut layer through supporting the basic unit, and then plays reinforced (rfd) supporting role to the separating layer through the intermediate strut layer, promotes the compressive strength of membrane silk, can effectively solve the problem of disconnected silk, solves the problem that the easy fracture of hollow fiber membrane silk is damaged and the short-lived, and the reducible manufacturing cost of design of integration and convenient assembly.
Drawings
Fig. 1 is a cross-sectional structural view of a hollow fiber membrane yarn structure example 1 of the present invention;
fig. 2 is a cross-sectional structural view of a hollow fiber membrane yarn structure example 2 of the present invention;
fig. 3 is a cross-sectional structure view of a hollow fiber membrane yarn structure of example 3 of the present invention.
The reference numbers in the figures denote:
1. a separation layer; 2. a middle support layer; 3. a support base layer; 4. a hollow cavity; 5. a solid support.
Detailed Description
As shown in fig. 1-3, the utility model provides a hollow fiber membrane silk structure, it includes:
the separation layer comprises a separation layer 1, a middle support layer 2 and a support base layer 3, wherein the separation layer 1 is of a hollow cylindrical structure, the middle support layer 2 is arranged in an inner cavity of the separation layer 1 in a penetrating mode, the middle support layer 2 is also of a hollow cylindrical structure, the support base layer 3 is arranged on the inner periphery of the middle support layer 2 in a penetrating mode, a solid support part 5 is arranged in the center position of the inner periphery of the support base layer 3, the inner periphery of the support base layer 3 is further provided with at least two hollow cavities 4 extending along the axial direction of the separation layer 1, the solid support part 5 is located between the at least two hollow cavities 4, the separation layer 1 can filter impurities, and the middle support layer 2 and the support base layer 3 can both allow fluid to penetrate through the separation layer. Preferably, the solid support part 5 and the support base layer 3 are integrally formed, and the integral forming of the solid support part and the support base layer can be realized by, for example, injection molding, so as to improve the overall support effect.
The utility model discloses a set up separating layer 1, middle supporting layer 2 and support basic unit 3, from radial outside to radial inboard direction, arrange separating layer 1, middle supporting layer 2 and support basic unit 3 in proper order, especially support basic unit 3 wears to locate the interior week of middle supporting layer 2, support basic unit 3's interior week has at least one edge the cavity 4 that the axis direction of separating layer extends can support middle supporting layer 2 through support basic unit 3, and then plays reinforced supporting role to separating layer 1 through middle supporting layer 2, promotes the compressive strength of membrane silk, can effectively solve the problem of disconnected silk, solves the fragile damage of hollow fiber membrane silk and the problem of short-lived, and the reducible manufacturing cost of design of integration and convenient assembly.
The utility model discloses to the problem of traditional hollow fiber membrane silk easy fracture damage, short-lived, provide an integrated into one piece's membrane silk structure, the middle part cavity has inside to support, can effectively promote membrane silk intensity, can realize that membrane silk compressive strength promotes, specifically includes three channels, cross support, Y word bearing structure, can effectively solve the disconnected silk problem, and the reducible manufacturing cost of design of integration and convenient assembly.
In some embodiments, the hollow cavity 4 allows water passing through the separation layer 1, the intermediate support layer 2 and the support base layer 3 in sequence to flow out of the hollow cavity to form purified water; and/or the separation layer 1 is a nanofiltration separation layer or a reverse osmosis separation layer. The utility model discloses a setting up of separating layer, intermediate strut layer and supporting basic unit can filter water through the separating layer, further supports the separating layer through intermediate strut layer and supporting basic unit, carries out effectual supporting effect to the separating layer. The hollow fiber membrane yarn of the utility model can be nanofiltration, also can be reverse osmosis, and is finally applied to the filter element component.
Example 1, in some embodiments, the cross-sectional shape of the hollow cavity 4 is circular; and/or the presence of a gas in the gas,
the number of the hollow cavities 4 is three, the three hollow cavities 4 are distributed at intervals along the circumferential direction of the support base layer 3, and the solid support part 5 is positioned among the three hollow cavities 4. The utility model discloses a cavity is preferred circular, can be with water from the well through, the utility model discloses a cavity is preferred three, and three cavity can form the passageway of three circulation that supplies water along supporting basic unit axial interval distribution.
The utility model discloses a concrete implementation mode is shown as attached figure 1, the utility model provides an integrated into one piece's hollow fiber membrane module three channel membrane silk structure, including having separation layer 1 (receive the material of straining), middle supporting layer 2, three channel basic unit (supporting base layer 3). The outermost periphery of the membrane filament structure is a nanofiltration separation layer connected with a middle supporting layer 2, and the middle supporting layer 2 is connected with a three-channel base layer. Under the action of external pressure, water sequentially penetrates through the nanofiltration separation layer, the middle supporting layer 2 and the three-channel base layer, finally purified water flows out of the through holes, and concentrated water is reserved outside the nanofiltration separation layer.
In some embodiments, when there are three hollow cavities 4, the three hollow cavities 4 are uniformly distributed along the circumferential direction of the support substrate 3 in the cross section of the support substrate 3. This is the further preferred structural style of embodiment 1 of the present invention, and three hollow cavities uniformly distributed along the circumferential direction can form three channels uniformly spaced in the circumferential direction for water circulation, and the channel outside is the supporting base layer for supporting the separation layer, i.e. the three-channel base layer.
Example 2, in some embodiments, the solid support 5 comprises, in a cross section of the support substrate 3, two parting strips disposed in the hollow cavity 4, by which the hollow cavity 4 is divided into 4 sub-cavities (preferably 4 sub-cavities of equal size). As shown in fig. 2, the embodiment 2 of the present invention is to separate the hollow cavity by two separation bars, so as to form 4 sub-cavities, thereby forming 4 channels for water circulation.
In some embodiments, within the cross section of the support substrate 3, two of the separation strips are arranged perpendicularly across; and 4 of the sub-cavities are all of fan-shaped structures with central angles of 90 degrees. This is the preferred configuration of the 4 sub-cavities of the present invention, as well as the preferred arrangement of the dividing strips.
The utility model discloses a embodiment 2 is as shown in figure 2, the utility model provides an integrated into one piece's hollow fiber membrane module cross supports membrane silk structure, including having separation layer 1 (receive the material of straining), intermediate support layer 2, the cross supports basic unit (supports basic unit 3). The outermost periphery of the membrane silk structure is a nanofiltration separation layer connected with a middle supporting layer 2, and the middle supporting layer 2 is connected with a cross supporting base layer. Water sequentially penetrates through the nanofiltration separation layer, the middle supporting layer 2 and the cross supporting base layer under the action of external pressure, finally purified water flows out of the through hole, and concentrated water is reserved outside the nanofiltration separation layer.
Example 3, in some embodiments, the solid support 5 comprises, in a cross-section of the support substrate 3, three dividing strips arranged in the hollow cavity 4, by means of which the hollow cavity 4 is divided into 3 sub-cavities (3 sub-cavities are preferably of the same size). As shown in fig. 3, the embodiment 3 of the present invention is to separate the hollow cavity by three separation bars, so as to form 3 sub-cavities, thereby forming 3 channels for water circulation.
In some embodiments, in the cross section of the support substrate 3, three of the separation strips are connected to the center of the separation layer 1 at one end, extend outward in the radial direction at the other end, and are arranged by being rotated by 120 ° in the circumferential direction between two of the separation strips; and/or the presence of a gas in the gas,
in the cross section of the support base layer 3, three separation strips are connected to form a Y-shaped structure.
This is the preferred structural style of the three division bars of the utility model, forming a Y-shaped structural style, thereby forming 3 channels for water circulation spaced along the circumferential direction to flow water through.
The utility model discloses a concrete implementation mode is shown as attached figure 3, the utility model provides an integrated into one piece's hollow fiber receives filter membrane subassembly Y word support membrane silk structure, including having and receive and strain the separating layer, middle supporting layer 2, Y sub-support basic unit. The outermost periphery of the membrane silk structure is a nanofiltration separation layer connected with a middle supporting layer 2, and the middle supporting layer 2 is connected with a Y-shaped supporting base layer. Water sequentially penetrates through the nanofiltration separation layer, the middle supporting layer 2 and the Y-shaped supporting base layer under the action of external pressure, finally purified water flows out of the through hole, and concentrated water is reserved outside the nanofiltration separation layer.
The utility model also provides a compound filter element group spare, it includes preceding arbitrary hollow fiber membrane silk structure.
The utility model provides an integrated into one piece membrane silk structure, middle part cavity have inside to support, can realize that membrane silk compressive strength promotes, specifically include three channels, cross support, Y word bearing structure, can effectively solve the disconnected silk problem, and the reducible manufacturing cost of design of integration and convenient assembly.
The utility model also provides a purifier, it includes aforementioned compound filter element group spare.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A hollow fiber membrane filament structure characterized in that: the method comprises the following steps:
a separation layer (1), a middle supporting layer (2) and a supporting base layer (3), wherein the separation layer (1) is a hollow cylindrical structure, the middle supporting layer (2) is arranged in the inner cavity of the separating layer (1) in a penetrating way, the middle supporting layer (2) is also of a hollow cylinder structure, the supporting base layer (3) is arranged on the inner periphery of the middle supporting layer (2) in a penetrating way, a solid supporting part (5) is arranged at the central position of the inner periphery of the supporting base layer (3), the inner periphery of the supporting substrate (3) is also provided with at least two hollow cavities (4) extending along the axial direction of the separation layer (1), the solid support (5) is located between at least two of the hollow cavities (4), the separation layer (1) is capable of filtering impurities, and the intermediate support layer (2) and the support base layer (3) are each capable of allowing fluid to pass therethrough.
2. The hollow fiber membrane filament structure of claim 1, wherein:
the solid supporting part (5) and the supporting base layer (3) are of an integrally formed structure.
3. The hollow fiber membrane filament structure of claim 1, wherein:
the hollow cavity (4) allows water passing through the separation layer (1), the middle supporting layer (2) and the supporting base layer (3) in sequence to flow out of the hollow cavity to form purified water; and/or the separation layer (1) is a nanofiltration separation layer or a reverse osmosis separation layer.
4. The hollow fiber membrane filament structure of claim 1, wherein:
the cross section of the hollow cavity (4) is circular; and/or the presence of a gas in the gas,
the number of the hollow cavities (4) is three, the three hollow cavities (4) are distributed at intervals along the circumferential direction of the support base layer (3), and the solid support part (5) is located among the three hollow cavities (4).
5. The hollow fiber membrane filament structure of claim 4, wherein:
when the number of the hollow cavities (4) is three, the three hollow cavities (4) are uniformly distributed along the circumferential direction of the support base layer (3) in the cross section of the support base layer (3).
6. The hollow fiber membrane filament structure of claim 1, wherein:
in a cross-section of the support substrate (3), the solid support (5) comprises two dividing strips arranged in the hollow cavity (4), by means of which the hollow cavity (4) is divided into 4 sub-cavities.
7. The hollow fiber membrane filament structure of claim 6, wherein:
in the cross section of the support base layer (3), the two separation strips are arranged in a vertical crossing manner; and 4 of the sub-cavities are all of fan-shaped structures with central angles of 90 degrees.
8. The hollow fiber membrane filament structure of claim 1, wherein:
in the cross section of the support substrate (3), the solid support (5) comprises three dividing strips arranged in the hollow cavity (4), by means of which the hollow cavity (4) is divided into 3 sub-cavities.
9. The hollow fiber membrane filament structure of claim 8, wherein:
in the cross section of the support substrate (3), one end of each of the three separation strips is connected with the center of the separation layer (1), the other end of each of the three separation strips extends outwards in the radial direction, and the three separation strips are arranged between every two separation strips in the circumferential direction and rotated by 120 degrees; and/or the presence of a gas in the gas,
in the cross section of the supporting base layer (3), three separating strips are connected to form a Y-shaped structure.
10. A composite filter element assembly, comprising: comprising the hollow fiber membrane filament structure of any one of claims 1-9.
11. A water purifying device is characterized in that: comprising the composite filter element assembly of claim 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220191047.0U CN216825666U (en) | 2022-01-24 | 2022-01-24 | Hollow fiber membrane silk structure, compound filter element group spare and purifier |
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| CN202220191047.0U CN216825666U (en) | 2022-01-24 | 2022-01-24 | Hollow fiber membrane silk structure, compound filter element group spare and purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114392650A (en) * | 2022-01-24 | 2022-04-26 | 珠海格力电器股份有限公司 | Hollow fiber membrane silk structure, compound filter element group spare and purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114392650A (en) * | 2022-01-24 | 2022-04-26 | 珠海格力电器股份有限公司 | Hollow fiber membrane silk structure, compound filter element group spare and purifier |
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