CN216321152U - Micro-wastewater reverse osmosis water-saving membrane - Google Patents
Micro-wastewater reverse osmosis water-saving membrane Download PDFInfo
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- CN216321152U CN216321152U CN202122997939.8U CN202122997939U CN216321152U CN 216321152 U CN216321152 U CN 216321152U CN 202122997939 U CN202122997939 U CN 202122997939U CN 216321152 U CN216321152 U CN 216321152U
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- 239000012528 membrane Substances 0.000 title claims abstract description 142
- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000009434 installation Methods 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000844 anti-bacterial effect Effects 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 230000003115 biocidal effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000011403 purification operation Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to the technical field of reverse osmosis membranes and discloses a micro-wastewater reverse osmosis water-saving membrane which comprises a central tube, wherein a membrane wound on the outer surface of the central tube is arranged on the outer side of the central tube, two groups of membrane shells are arranged on the outer side of the membrane, an installation cover and a fixed seat are respectively arranged above and below the membrane shells, a pure water outlet is formed in the outer surface of the membrane shells, and a plurality of groups of water permeable holes for wastewater to pass through are formed in the outer surface of the central tube. This novel little waste water reverse osmosis water-saving film, through setting up the collar with center tube surface threaded connection for the staff rotates the installation lid, so that the collar breaks away from under the effect of screw thread, and set up and be the contact relation between the bottom of membrane shell and the fixing base, thereby make the staff easily take off installation lid and membrane shell, so that the staff washs membrane shell inner wall and diaphragm, reduces the pollution of the remaining bacterium of diaphragm surface to the diaphragm, so as to prolong the life of diaphragm.
Description
Technical Field
The utility model relates to the technical field of reverse osmosis membranes, in particular to a micro-wastewater reverse osmosis water-saving membrane.
Background
At present, the reverse osmosis technology is widely applied to water treatment, but in the use process of a conventional reverse osmosis membrane element, raw water flows into a water inlet flow channel from one end face of the conventional reverse osmosis membrane element, part of the water is filtered by a reverse osmosis membrane to form pure water and flows into a central water production pipe, and the rest of the water is not filtered to form concentrated water and flows out from the other end face of the element along a water inlet flow guide net in the water inlet flow channel.
The surface of the existing roll type reverse osmosis membrane element membrane can remain a large amount of bacteria after long-time use, so that the reverse osmosis membrane is easily polluted by the bacteria, and the service life of the reverse osmosis membrane is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a micro-wastewater reverse osmosis water-saving film, which solves the problems that a large amount of bacteria can remain on the surface after long-time use, so that a reverse osmosis film is easily polluted by the bacteria, and the service life of the reverse osmosis film is influenced.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a micro wastewater reverse osmosis water-saving film comprises a central tube, wherein a membrane wound on the outer surface of the central tube is arranged on the outer side of the central tube, two groups of membrane shells are arranged on the outer side of the membrane, a mounting cover and a fixing seat are respectively arranged above and below the membrane shells, a pure water outlet is formed in the outer surface of each membrane shell, a plurality of groups of water permeable holes for wastewater to pass through are formed in the outer surface of the central tube, each membrane comprises a flow guide membrane, a second filter cloth, an antibacterial grid net and a first filter cloth which are mutually bonded from outside to inside, the inner wall of the first filter cloth is fixedly connected with the central tube, a mounting ring is fixedly connected with the inner wall of the mounting cover, the inner wall of the mounting ring is in threaded connection with the outer surface of the central tube, a sealing ring is fixedly connected with the outer surface of the central tube, the outer surface of the sealing ring is fixedly connected with the inner wall of the fixing seat, and the top and the bottom of the membrane shell are respectively contacted with the top of the fixing seat at the bottom of the mounting cover, the top fixedly connected with holding ring of fixing base, the equal fixedly connected with concave plate of inner wall of membrane shell, the inner wall of concave plate and the surface sliding connection of holding ring.
Preferably, the membrane is a spiral wound membrane, and the top and the bottom of the membrane are respectively contacted with the bottom of the mounting ring and the top of the sealing ring.
Preferably, the length of the inner wall of the membrane shell is greater than the maximum diameter of the membrane sheet, and the opposite sides of the two sets of membrane shells are in contact.
Preferably, the sizes of the outer surfaces of the mounting cover and the fixing seat are equal to the size of the outer surface of the membrane shell.
Preferably, the inner wall of the membrane shell and the outer surface of the membrane are both coated with polyurethane coating.
Preferably, the height of the inner wall of the concave plate is equal to that of the positioning ring, and the bottom of the concave plate is in contact with the top of the fixed seat.
Preferably, the top fixedly connected with stopper of membrane shell inner wall, the gliding spacing groove of relative stopper surface is seted up to the bottom of installation lid.
Preferably, the diameter of the bottom of the mounting ring is smaller than that of the top of the mounting ring, and the height of the mounting ring is larger than that of the mounting cover.
Preferably, a gap is left between the outer surface of the flow guide film and the inner wall of the first filter cloth.
Preferably, the top of the concave plate is positioned at a level lower than the bottom of the outer wall of the pure water outlet.
(III) advantageous effects
Compared with the prior art, the utility model provides a micro wastewater reverse osmosis water-saving film, which has the following beneficial effects:
1. this novel little waste water reverse osmosis water-saving film, through setting up the collar with center tube surface threaded connection for the staff rotates the installation lid, so that the collar breaks away from under the effect of screw thread, and set up and be the contact relation between the bottom of membrane shell and the fixing base, thereby make the staff easily take off installation lid and membrane shell, so that the staff washs membrane shell inner wall and diaphragm, reduces the pollution of the remaining bacterium of diaphragm surface to the diaphragm, so as to prolong the life of diaphragm.
2. This novel little waste water reverse osmosis water conservation membrane, through setting up water conservancy diversion membrane and antibiotic graticule mesh, water conservancy diversion membrane provides the direction for rivers when making first filter cloth and second filter cloth filter waste water, so that it discharges from the pure water outlet to get into between diaphragm and the membrane shell and through filterable pure water, and reduce the water consumption when the diaphragm carries out the water purification operation, with the water conservation function of realizing device, antibiotic graticule mesh effectively reduces breeding and the remain of bacterium on the diaphragm simultaneously, further protect the diaphragm, the time that the extension diaphragm can work in succession, the water purification efficiency of diaphragm has been improved.
3. This novel little waste water reverse osmosis water-saving film through setting up collar and sealing washer for collar and sealing washer support the diaphragm from upper and lower both sides, reduce inside through filterable pure water of membrane shell and spill from installation lid and fixing base, improved the practicality of device, through setting up holding ring and notch board, make the notch board inner wall support the holding ring, with the relative position between restriction membrane shell and the fixing base, avoid the membrane shell to take place to rock because of the impact of rivers, improved the stability of device.
Drawings
FIG. 1 is a schematic quarter sectional view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of the structure of the diaphragm of the present invention.
In the figure: 1. a central tube; 2. a membrane; 21. a flow directing film; 22. a second filter cloth; 23. an antibacterial grid; 24. a first filter cloth; 3. installing a cover; 4. a membrane shell; 5. a fixed seat; 6. a mounting ring; 7. a limiting block; 8. a concave plate; 9. a positioning ring; 10. and (5) sealing rings.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a micro wastewater reverse osmosis water-saving film comprises a central tube 1, a membrane 2 wound on the outer surface of the central tube 1 is arranged on the outer side of the central tube, two groups of membrane shells 4 are arranged on the outer side of the membrane 2, a mounting cover 3 and a fixing seat 5 are respectively arranged above and below the membrane shells 4, a pure water outlet is arranged on the outer surface of each membrane shell 4, a plurality of groups of water permeable holes for wastewater to pass through are arranged on the outer surface of the central tube 1, each membrane 2 comprises a flow guide membrane 21, a second filter cloth 22, an antibacterial grid 23 and a first filter cloth 24 which are bonded with each other from outside to inside, the inner wall of each first filter cloth 24 is fixedly connected with the central tube 1, a mounting ring 6 is fixedly connected with the inner wall of the mounting cover 3, the inner wall of the mounting ring 6 is in threaded connection with the outer surface of the central tube 1, a sealing ring 10 is fixedly connected with the outer surface of the central tube 1, the outer surface of the sealing ring 10 is fixedly connected with the inner wall of the fixing seat 5, the top and the bottom of the membrane shell 4 are respectively contacted with the top of the fixing seat 5 at the bottom of the mounting cover 3, the top fixedly connected with holding ring 9 of fixing base 5, the equal fixedly connected with concave plate 8 of inner wall of membrane shell 4, the inner wall of concave plate 8 and the surface sliding connection of holding ring 9.
Specifically, in order to improve the practicality of device, diaphragm 2 is spiral roll formula membrane for diaphragm 2 improves the purification efficiency of waste water, and the top and the bottom of diaphragm 2 contact with the bottom of collar 6 and the top of sealing washer 10 respectively, makes diaphragm 2 be located the inboard part of membrane shell 4 and covers comprehensively to center tube 1, avoids waste water to flow into in the membrane shell 4.
Specifically, inside for the convenience of pure water inflow membrane shell 4, the length of 4 inner walls of membrane shell is greater than the maximum diameter of diaphragm 2, and the opposite sides of two sets of membrane shells 4 contact for leave the space that enough pure water flows between membrane shell 4 and diaphragm 2, avoid the pure water outflow speed too slow to lead to the water purification efficiency of device to descend.
Specifically, in order to improve the safety of the device, the outer surfaces of the mounting cover 3 and the fixing seat 5 are equal to the outer surface of the membrane shell 4 in size, so that the outer surfaces of the mounting cover 3, the fixing seat 5 and the membrane shell 4 are relatively flat, and the probability that the central tube 1 and the membrane 2 are damaged due to external collision of the device is reduced.
Specifically, in order to prolong the service life of the device, the inner wall of the membrane shell 4 and the outer surface of the membrane 2 are coated with polyurethane paint, and the polyurethane paint provides an anti-corrosion and anti-corrosion effect for the membrane 2 and the membrane shell 4, so that the corrosion of the membrane 2 and the membrane shell 4 during water purification treatment is reduced.
Specifically, in order to improve the firm effect that the concave plate 8 provided for membrane shell 4, the height of the inner wall of concave plate 8 equals the height of holding ring 9, and the bottom of concave plate 8 contacts with the top of fixing base 5, so that intimate contact between the inner wall of concave plate 8 and holding ring 9 avoids having the space between concave plate 8 and holding ring 9 and leads to the uneven stress of concave plate 8 and breaking.
Specifically, for the convenience of keeping stable membrane shell 4, the top fixedly connected with stopper 7 of 4 inner walls of membrane shell, the gliding spacing groove of 7 surfaces of relative stopper is seted up to the bottom of installation lid 3 for stopper 7 limits the relative position between installation lid 3 and the membrane shell 4, thereby reduces the effort that the concave plate 8 applyed to holding ring 9 when membrane shell 4 received external force, in order to consolidate membrane shell 4.
Specifically, in order to improve the practicality of the device, the diameter of collar 6 bottom is less than the diameter at its top, and the height of collar 6 is greater than installation lid 3 for the waste water velocity of flow leads to the pure water to produce undulantly at the excessive speed, and the inclined plane of collar 6 surface bottom provides the direction for the pure water, so that the pure water flows to the outside.
Specifically, in order to facilitate the guiding of the flow guide membrane 21 to the pure water, a gap is left between the outer surface of the flow guide membrane 21 and the inner wall of the first filter cloth 24, so that the pure water subjected to the filtering treatment flows between the flow guide membrane 21 and the first filter cloth 24, and the resistance of the pure water during flowing is reduced.
Specifically, for the convenience of pure water outflow membrane shell 4, the horizontal plane at 8 tops of concave plate is less than the bottom of pure water export outer wall for concave plate 8 can not lead to the fact the pure water export and shelter from, avoids the pure water to be obstructed and accumulates inside membrane shell 4.
The working principle is as follows: when the device is used, wastewater is introduced into the central tube 1, flows out from the water permeable holes when flowing in the central tube 1 and is subjected to double filtration through the first filter cloth 24 and the second filter cloth 22, the antibacterial grid 23 performs sterilization operation on the wastewater, then the pure water subjected to filtration sterilization flows into a space between the membrane shell 4 and the membrane 2 under the guidance of the diversion membrane 21 and flows out from a pure water outlet, so that the filtration work on the wastewater is realized, after the filtration work is finished, the mounting cover 3 is rotated to enable the mounting ring 6 to be separated from the central tube 1 under the action of the threads, the membrane shell 4 is lifted upwards until the concave plate 8 is separated from the positioning ring 9 to take down the membrane shell 4, then the membrane 2 is cleaned so as to remove bacteria on the membrane 2, thereby effectively prolonging the service life of the membrane 2, after the cleaning is finished, the inner wall of the concave plate 8 is aligned with the positioning ring 9 and the membrane shell 4 is put back to the original position, arrange installation lid 3 in 1 top of center tube, rotate installation lid 3 so that 6 precessions of collar are down supported membrane shell 4 until the bottom of installation lid 3 to the position of restriction membrane shell 4 avoids membrane shell 4 to rock because of water impact.
To sum up, the novel micro wastewater reverse osmosis water-saving membrane is characterized in that the installation ring 6 in threaded connection with the outer surface of the central tube 1 is arranged, so that a worker rotates the installation cover 3 to separate the installation ring 6 under the action of threads, the bottom of the membrane shell 4 is arranged to be in contact with the fixing seat 5, the installation cover 3 and the membrane shell 4 are easy to take down by the worker, the worker can clean the inner wall of the membrane shell 4 and the membrane 2, the pollution of residual bacteria on the membrane 2 on the outer surface of the membrane 2 is reduced, the service life of the membrane 2 is prolonged, the flow guide membrane 21 and the antibacterial grid 23 are arranged, so that the flow guide membrane 21 guides water flow when the first filter cloth 24 and the second filter cloth 22 filter wastewater, filtered pure water enters between the membrane 2 and the membrane shell 4 and is discharged from a pure water outlet, and the water consumption of the membrane 2 during water purification operation is reduced, with the water conservation function of realizing device, antibiotic graticule mesh 23 effectively reduces breeding and remaining of bacterium on the diaphragm 2 simultaneously, further protect diaphragm 2, but extension diaphragm 2 continuous operation's time, the water purification efficiency of diaphragm 2 is improved, through setting up collar 6 and sealing washer 10, make collar 6 and sealing washer 10 support diaphragm 2 from both sides from top to bottom, reduce 4 inside through filterable pure water of membrane shell and spill from installation lid 3 and fixing base 5, the practicality of device has been improved, through setting up holding ring 9 and notch board 8, make 8 inner walls of notch board support holding ring 9, with the relative position between restriction membrane shell 4 and fixing base 5, avoid membrane shell 4 to take place to rock because of the impact of rivers, the stability of device has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a little waste water reverse osmosis water-saving film, includes center tube (1), the outside of center tube (1) is provided with membrane (2) of winding on its surface, and the outside of membrane (2) is provided with two sets of membrane shells (4), and the top and the below of membrane shell (4) are provided with installation lid (3) and fixing base (5) respectively, and the pure water outlet has been seted up to the surface of membrane shell (4), and the hole of permeating water that multiunit confession waste water passed, its characterized in that have been seted up to the surface of center tube (1): the membrane (2) comprises a flow guide membrane (21), a second filter cloth (22), an antibacterial grid net (23) and a first filter cloth (24) which are bonded with each other from outside to inside, the inner wall of the first filter cloth (24) is fixedly connected with the central tube (1), the inner wall of the mounting cover (3) is fixedly connected with a mounting ring (6), the inner wall of the mounting ring (6) is in threaded connection with the outer surface of the central tube (1), the outer surface of the central tube (1) is fixedly connected with a sealing ring (10), the outer surface of the sealing ring (10) is fixedly connected with the inner wall of the fixing seat (5), the top and the bottom of the membrane shell (4) are respectively contacted with the top of the bottom fixable seat (5) of the mounting cover (3), the top of the fixing seat (5) is fixedly connected with a positioning ring (9), and concave plates (8) are fixedly connected with the inner wall of the membrane shell (4), the inner wall of the concave plate (8) is connected with the outer surface of the positioning ring (9) in a sliding manner.
2. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: the diaphragm (2) is a spiral wound membrane, and the top and the bottom of the diaphragm (2) are respectively contacted with the bottom of the mounting ring (6) and the top of the sealing ring (10).
3. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: the length of the inner wall of the membrane shell (4) is larger than the maximum diameter of the membrane (2), and the opposite sides of the two groups of membrane shells (4) are in contact.
4. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: the sizes of the outer surfaces of the mounting cover (3) and the fixing seat (5) are equal to the size of the outer surface of the membrane shell (4).
5. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: and polyurethane paint is coated on the inner wall of the membrane shell (4) and the outer surface of the membrane (2).
6. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: the height of the inner wall of the concave plate (8) is equal to that of the positioning ring (9), and the bottom of the concave plate (8) is in contact with the top of the fixed seat (5).
7. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: the top fixedly connected with stopper (7) of membrane shell (4) inner wall, the gliding spacing groove of relative stopper (7) surface is seted up to the bottom of installation lid (3).
8. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: the diameter of the bottom of the mounting ring (6) is smaller than that of the top of the mounting ring, and the height of the mounting ring (6) is larger than that of the mounting cover (3).
9. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: a gap is reserved between the outer surface of the flow guide film (21) and the inner wall of the first filter cloth (24).
10. The micro wastewater reverse osmosis water-saving membrane according to claim 1, which is characterized in that: the horizontal plane of the top of the concave plate (8) is lower than the bottom of the outer wall of the pure water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122997939.8U CN216321152U (en) | 2021-12-01 | 2021-12-01 | Micro-wastewater reverse osmosis water-saving membrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122997939.8U CN216321152U (en) | 2021-12-01 | 2021-12-01 | Micro-wastewater reverse osmosis water-saving membrane |
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| CN216321152U true CN216321152U (en) | 2022-04-19 |
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| CN202122997939.8U Active CN216321152U (en) | 2021-12-01 | 2021-12-01 | Micro-wastewater reverse osmosis water-saving membrane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115888397A (en) * | 2022-11-29 | 2023-04-04 | 浙江奥氏环境科技有限公司 | Roll type reverse osmosis membrane assembly |
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2021
- 2021-12-01 CN CN202122997939.8U patent/CN216321152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115888397A (en) * | 2022-11-29 | 2023-04-04 | 浙江奥氏环境科技有限公司 | Roll type reverse osmosis membrane assembly |
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