CN216703962U - Water inlet net separating structure, reverse osmosis membrane assembly and water purifying device - Google Patents
Water inlet net separating structure, reverse osmosis membrane assembly and water purifying device Download PDFInfo
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- CN216703962U CN216703962U CN202123077329.2U CN202123077329U CN216703962U CN 216703962 U CN216703962 U CN 216703962U CN 202123077329 U CN202123077329 U CN 202123077329U CN 216703962 U CN216703962 U CN 216703962U
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Abstract
The utility model discloses a water inlet separation net structure, a reverse osmosis membrane assembly and a water purifying device, wherein the water inlet separation net structure comprises a plurality of grids which are stacked mutually, and the grids comprise a central grid and at least two side grids positioned on two sides of the central grid; the water inlet separation net structure is provided with a water inlet end and a concentrated water end, at least two water flow channels are formed between the water inlet end and the concentrated water end, one water flow channel is at least partially formed on the central grid, and the other part of the water flow channel is formed on the side grid on one side; another of said water flow passages is formed at least partially in said central grid and another is formed in said side grid on the other side. In the technical scheme of the utility model, the water inlet separation net structure has good supporting and guiding functions, water flow is smooth, pollution blockage is avoided, meanwhile, turbulent flow is easily formed in a water flow channel, the retention and deposition of pollutants are reduced, and the pollution resistance is improved.
Description
Technical Field
The utility model relates to the technical field of water purification treatment, in particular to a water inlet separation net structure, a reverse osmosis membrane assembly and a water purification device.
Background
Reverse Osmosis (RO) technology is a new membrane separation technology in recent decades, and adopts a Reverse Osmosis membrane with high selective permeability, and utilizes the Reverse Osmosis principle of water molecules under pressure to pressurize partial raw water by a high-pressure pump and then make the partial raw water pass through the Reverse Osmosis membrane to become desalted water, so that salts and macromolecular substances in the water are concentrated on the surface of the membrane, and the concentrated substances are taken away from the rest raw water along the direction parallel to the membrane to form concentrated water to be discharged. The method can ensure that the removal rate of inorganic salt, hardness ions, organic matters, bacteria and the like in water reaches 99.5 percent or even more, and has the advantages of simple operation, low energy consumption, low pollution and the like. Therefore, the reverse osmosis membrane is widely concerned and applied in the technical field of water purification.
The most core part in a reverse osmosis water purification device is a reverse osmosis membrane component, the currently common roll type reverse osmosis membrane component is mainly formed by winding a water purification membrane component formed by overlapping a water inlet separation net, a reverse osmosis membrane and a pure water diversion cloth on a central water production pipe in a sealing connection manner and then putting the water purification membrane component into a pressure container (a membrane shell), a sealing ring inside the membrane shell isolates water inlet and concentrated water between the membrane shell and a membrane component gap, one end is a water inlet area connected with a water inlet, the other end is a concentrated water area connected with a concentrated water inlet, and the water inlet and the concentrated water are on the same side of the reverse osmosis membrane; the produced water is desalted water, and is led out from a central pipe communicated with the other side of the membrane. Wherein, the net of intaking plays the effect of supporting reverse osmosis membrane and water conservancy diversion liquid, and the net of intaking provides a passageway from intaking between the end to the dense water end for the reverse osmosis membrane subassembly to prevent hugging closely each other between the adjacent reverse osmosis membrane, and then obstruct liquid flow, make reverse osmosis membrane lose the function of filtering and purifying. Because the reverse osmosis membrane is very compact, the pollution of the reverse osmosis membrane is inevitable along with the prolonging of the operation time, and various pollutants easily block membrane holes to form a pollution layer on the membrane surface, so that the reverse osmosis membrane loses the filtering and purifying functions. Therefore, how to improve the anti-pollution capability of the reverse osmosis membrane element to prolong the service life of the reverse osmosis membrane element is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a water inlet separation net structure, a reverse osmosis membrane assembly and a water purifying device, aiming at enabling the water inlet separation net structure to play a good role in supporting and guiding flow, enabling a water flow channel to easily form turbulence, reducing deposition of pollutants, avoiding pollution blockage and having strong pollution resistance.
In order to achieve the above object, the present invention provides a water inlet separation mesh structure, which includes a plurality of meshes stacked one on another, where the plurality of meshes include a central mesh and at least two side meshes located on two sides of the central mesh;
the water inlet separation net structure is provided with a water inlet end and a concentrated water end, at least two water flow channels are formed between the water inlet end and the concentrated water end, one water flow channel is at least partially formed on the central grid, and the other part of the water flow channel is formed on the side grid on one side;
another of said water flow passages is formed at least partially in said central grid and another is formed in said side grid on the other side.
Optionally, each graticule mesh all includes a plurality of main grizzly strips and a plurality of supplementary grizzly strips that intersect and set up, main grizzly strip extends the setting along first direction, supplementary grizzly strip extends the setting along the second direction, along first direction, first direction with the second direction is two crossing directions in a plane.
Optionally, the auxiliary grid bars of the side grid are staggered from the auxiliary grid bars of the central grid.
Optionally, the main grid bars of the edge grid mesh overlap with the main grid bars of the central grid mesh.
Optionally, a plurality of the auxiliary grid bars of each grid are arranged at equal intervals.
Optionally, the distance between the auxiliary grid bars of the central grid is not greater than the distance between the auxiliary grid bars of the side grids.
Optionally, along the edge grid net towards in the direction of central grid net, the cross section of the supplementary grid strip of edge grid net personally submits the convergent setting.
Optionally, in the thickness direction of the water inlet separation net structure, the cross section of the auxiliary grid bars of the central grid is gradually reduced from the middle to the two ends.
The utility model also provides a reverse osmosis membrane assembly, which comprises an outer sleeve; the central water producing pipe is sleeved in the outer sleeve, a plurality of water permeable holes are arranged on the outer side wall surface of the central water producing pipe in a penetrating manner, and an annular gap is formed between the central water producing pipe and the outer sleeve; the water inlet separation net structure is arranged in the annular gap; the water inlet separation mesh structure comprises a plurality of grids which are stacked mutually, and the grids comprise a central grid and at least two side grids positioned on two sides of the central grid; the water inlet separation net structure is provided with a water inlet end and a concentrated water end, at least two water flow channels are formed between the water inlet end and the concentrated water end, one water flow channel is at least partially formed on the central grid, and the other part of the water flow channel is formed on the side grid on one side; another of said water flow passages is formed at least partially in said central grid and another is formed in said side grid on the other side.
The utility model also provides a water purifying device which comprises the reverse osmosis membrane module.
In the technical scheme of the utility model, at least two water flow channels are formed by a plurality of grids which are stacked mutually, the water inlet separation net structure plays a good role in supporting and guiding water, the reverse osmosis membranes are prevented from being attached to each other and pollutants are prevented from being blocked, water flow is smoother, the pollution blocking is avoided, meanwhile, at least part of the water flow channels are formed on the central grid, the other part of the water flow channels is formed on the side grid, turbulence is easily formed in the water flow channels, the retention and deposition of the pollutants can be reduced, and the pollution resistance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 top view of an embodiment of a water-inlet mesh structure provided in the present invention;
FIG. 2 is a schematic front view of the water intake screen structure of FIG. 1;
fig. 3 is a right-side view schematically illustrating the water inlet screen structure in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Water |
2 | Edge grid |
| 1 | |
21 | Main grid bar of |
| 11 | Main grid bar of |
22 | Assistance of |
| 12 | Auxiliary grid strip of center grid | a | Water flow indicating line |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment 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, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The most core part in a reverse osmosis water purification device is a reverse osmosis membrane component, the currently common roll type reverse osmosis membrane component is mainly formed by winding a water purification membrane component formed by overlapping a water inlet separation net, a reverse osmosis membrane and a pure water diversion cloth on a central water production pipe in a sealing connection manner and then putting the water purification membrane component into a pressure container (a membrane shell), a sealing ring inside the membrane shell isolates water inlet and concentrated water between the membrane shell and a membrane component gap, one end is a water inlet area connected with a water inlet, the other end is a concentrated water area connected with a concentrated water inlet, and the water inlet and the concentrated water are on the same side of the reverse osmosis membrane; the produced water is desalted water, and is led out from a central pipe communicated with the other side of the membrane. Wherein, the net of intaking plays the effect of supporting reverse osmosis membrane and water conservancy diversion liquid, and the net of intaking provides a passageway from intaking between the end to the dense water end for the reverse osmosis membrane subassembly to prevent hugging closely each other between the adjacent reverse osmosis membrane, and then obstruct liquid flow, make reverse osmosis membrane lose the function of filtering and purifying. Because the reverse osmosis membrane is very compact, the pollution of the reverse osmosis membrane is inevitable along with the prolonging of the operation time, and various pollutants easily block membrane holes to form a pollution layer on the membrane surface, so that the reverse osmosis membrane loses the filtering and purifying functions. Therefore, how to improve the anti-pollution capability of the reverse osmosis membrane element to prolong the service life of the reverse osmosis membrane element is a technical problem to be solved by those skilled in the art.
In view of the above, the present invention provides a water inlet isolation net structure, and fig. 1 to 3 illustrate an embodiment of a water inlet isolation net according to the present invention.
Referring to fig. 1 to 3, the water-inlet separating mesh structure 100 includes a plurality of meshes stacked on each other, the plurality of meshes includes a central mesh 1 and two side meshes 2 disposed on two sides of the central mesh 1; the water inlet partition net structure 100 has a water inlet end and a concentrated water end, two water flow channels are formed between the water inlet end and the concentrated water end, wherein one water flow channel is partially formed on the central grid 1, and the other part is formed on the side grid 2 on one side; another part of the water flow passage is formed on the central grid 1 and another part is formed on the side grid 2 on the other side.
In the embodiment of the utility model, the three grids which are stacked mutually form two water flow channels, the water inlet separation net structure 100 plays a good role in supporting and guiding water, prevents reverse osmosis membranes from being tightly attached to each other and pollutants from being blocked, enables water flow to be smoother and avoids pollution blocking, meanwhile, the water flow channels are partially formed on the central grid 1, the other part of the water flow channels is formed on the side grid 2 on one side, turbulence is easily formed in the water flow channels, the retention and deposition of pollutants can be reduced, and the pollution resistance is improved.
The specific structure of each grid is not limited in the present invention, in this embodiment, the central grid 1 includes a plurality of main grid bars 11 and a plurality of auxiliary grid bars 12, which are arranged in an intersecting manner, the main grid bars 11 are arranged in an extending manner along a first direction, the auxiliary grid bars 12 are arranged in an extending manner along a second direction, and along the first direction, the first direction and the second direction are two directions intersecting in a plane. The edge grid 2 also includes a plurality of main grid bars 21 and a plurality of auxiliary grid bars 22 that intersect and set up, main grid bar 21 extends the setting along the first direction, auxiliary grid bar 22 extends the setting along the second direction, along the first direction, the first direction with the second direction is two crossing directions in a plane.
It should be noted that, in the present invention, the main grid bars 11 of the central grid 1 and the main grid bars 21 of the side grids 2 mainly play a role of supporting and guiding flow, the auxiliary grid bars 12 of the central grid 1 and the auxiliary grid bars 22 of the side grids 2 mainly play a role of supporting and disturbing flow, and their cross-sectional shapes and whether they are straight or curved in the extending direction are not limited, so that the first direction does not represent an absolutely fixed direction, and only represents the extending of the main grid bars 11 of the central grid 1 and the main grid bars 21 of the side grids 2, so that the main grid bars 11 of the central grid 1 and the main grid bars 21 of the side grids 2 extend from the water inlet end to the concentrated water end, and similarly, the second direction does not represent an absolutely fixed direction, and only represents the extending of the auxiliary grid bars 12 of the central grid 1 and the auxiliary grid bars 22 of the side grids 2, the auxiliary grid bars 12 of the central grid 1 are made to intersect with the main grid bars 11 of the central grid 1, and the auxiliary grid bars 22 of the edge grid 2 intersect with the main grid bars 21 of the edge grid 2.
Further, please refer to fig. 2, the supplementary grid strip 22 of limit graticule mesh 2 with the supplementary grid strip 12 of central graticule mesh 1 staggers the setting, so sets up, as rivers one run into on the limit graticule mesh 2 and assist grid strip 22 to hinder when unable passing through, turn right way extremely nearby smooth passing through on the central graticule mesh 1, the distance of changing right way is short, and the rivers are more unobstructed, simultaneously, is in when rivers run into on the central graticule mesh 1 and assist grid strip 12 to hinder when unable passing through, change right way extremely on the limit graticule mesh 2, so, very easily form the torrent, can reduce the stay and the deposit of pollutant, improved antipollution ability.
Further, please refer to fig. 3, the main grid bars 21 of the side grid net 2 and the main grid bars 11 of the central grid net 1 are overlapped, so as to avoid the over-dispersion of the water flow, so that the water flow channel has a larger space, the water flow is more smooth, the pollution blockage is avoided, and the anti-pollution capability is improved.
Further, please refer to fig. 2, a plurality of the side grids 2 are arranged at equal intervals, and a plurality of the center grids 1 are arranged at equal intervals, and the auxiliary grids 12 are also arranged at equal intervals, because the blocking of the equal interval arrangement can amplify the disturbance of water flow, thereby generating better turbulence effect on the surface of the reverse osmosis membrane, reducing the retention and deposition of pollutants, and improving the anti-pollution capability.
In the water flow, the acute angle included angle is easier to form a pollutant accumulation point, so that in order to reduce the pollutant accumulation at the side grid 2, the formation of an acute angle included angle at the side grid 2 should be avoided, and therefore, in the embodiment, the cross section of the auxiliary grid bars 21 of the side grid 2 is gradually reduced along the direction from the side grid 2 to the central grid 1.
Similarly, on the thickness direction of the water inflow partition net structure 100, the cross section of the auxiliary grid bars 12 of the central grid 1 is gradually reduced from the middle part to the two ends, so that the formation of water flow dead angles can be avoided, the deposition of pollutants is avoided, and the pollution resistance is improved.
The reverse osmosis membrane module provided by one embodiment of the utility model comprises an outer sleeve; the central water producing pipe is sleeved in the outer sleeve, a plurality of water permeable holes are arranged on the outer side wall surface of the central water producing pipe in a penetrating manner, and an annular gap is formed between the central water producing pipe and the outer sleeve; and, locate the water inflow and separate the structure 100 of the network in the said annular interval; the water inlet partition net structure 100 comprises a plurality of grids which are stacked one on another, wherein the grids comprise a central grid 1 and at least two side grids 2 positioned on two sides of the central grid 1; the water inlet mesh partition structure 100 has a water inlet end and a concentrated water end, and at least two water flow channels are formed between the water inlet end and the concentrated water end, wherein one water flow channel is at least partially formed on the central grid 1, and the other part is formed on the side grid 2 on one side; another of said water flow channels is formed at least partially on said central grid 1 and another part on said side grid 2 on the other side. The reverse osmosis membrane module passes through it plays good support and water conservancy diversion effect to advance water partition net structure 100, and the rivers are unobstructed, have avoided dirty stifled, simultaneously, easily form the torrent in the rivers passageway, reduce the dwell and the deposit of pollutant, have improved antipollution ability, have improved the life of subassembly.
The water purifying device provided by the embodiment of the utility model adopts the reverse osmosis membrane module, so that the anti-pollution capacity is strong, and the service life is long.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The water inlet separation net structure is characterized by comprising a plurality of grids which are stacked mutually, wherein the grids comprise a central grid and at least two side grids positioned on two sides of the central grid;
the water inlet separation net structure is provided with a water inlet end and a concentrated water end, at least two water flow channels are formed between the water inlet end and the concentrated water end, one water flow channel is at least partially formed on the central grid, and the other part of the water flow channel is formed on the side grid on one side;
another of said water flow passages is formed at least partially in said central grid and another is formed in said side grid on the other side.
2. The water grid structure of claim 1, wherein each of said grids comprises a plurality of primary grid bars and a plurality of secondary grid bars arranged in an intersecting relationship, said primary grid bars extending in a first direction, said secondary grid bars extending in a second direction, said first direction and said second direction being two directions intersecting in a plane.
3. The water grid structure of claim 2, wherein the secondary grid bars of said edge grid are offset from the secondary grid bars of said center grid.
4. The water intake screen structure of claim 2, wherein the main grid bars of the edge grid mesh overlap the main grid bars of the center grid mesh.
5. The water-inlet screen structure of claim 2 wherein a plurality of said secondary grid bars of each of said grids are disposed at equally spaced intervals.
6. The water entry screen structure of claim 5 wherein the spacing between the secondary grid bars of the center grid is no greater than the spacing between the secondary grid bars of the side grids.
7. The water intake screen structure of claim 2, wherein the cross-sections of the secondary grid bars of the edge grids are tapered in a direction from the edge grid toward the center grid.
8. The water-entry screen structure of claim 2 wherein the cross-sections of the secondary grid bars of the central grid are tapered from the middle to the ends of the central grid in the thickness direction of the water-entry screen structure.
9. A reverse osmosis membrane module, comprising:
an outer sleeve;
the central water producing pipe is sleeved in the outer sleeve, a plurality of water permeable holes penetrate through the outer side wall surface of the central water producing pipe, and an annular gap is formed between the central water producing pipe and the outer sleeve; and the number of the first and second groups,
the water inlet net isolating structure is arranged in the annular gap;
the water inlet screen structure is the water inlet screen structure as claimed in any one of claims 1 to 8.
10. A water purification apparatus comprising the reverse osmosis membrane module of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123077329.2U CN216703962U (en) | 2021-12-08 | 2021-12-08 | Water inlet net separating structure, reverse osmosis membrane assembly and water purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123077329.2U CN216703962U (en) | 2021-12-08 | 2021-12-08 | Water inlet net separating structure, reverse osmosis membrane assembly and water purifying device |
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| Publication Number | Publication Date |
|---|---|
| CN216703962U true CN216703962U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123077329.2U Active CN216703962U (en) | 2021-12-08 | 2021-12-08 | Water inlet net separating structure, reverse osmosis membrane assembly and water purifying device |
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| CN (1) | CN216703962U (en) |
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2021
- 2021-12-08 CN CN202123077329.2U patent/CN216703962U/en active Active
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