CN219663378U - Ultrafiltration device with back-washing function - Google Patents
Ultrafiltration device with back-washing function Download PDFInfo
- Publication number
- CN219663378U CN219663378U CN202320673482.1U CN202320673482U CN219663378U CN 219663378 U CN219663378 U CN 219663378U CN 202320673482 U CN202320673482 U CN 202320673482U CN 219663378 U CN219663378 U CN 219663378U
- Authority
- CN
- China
- Prior art keywords
- water
- connecting pipe
- shell
- ultrafiltration
- ultrafiltration device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 54
- 238000011001 backwashing Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000010865 sewage Substances 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 238000011010 flushing procedure Methods 0.000 claims abstract description 20
- 239000000565 sealant Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 9
- 238000002791 soaking Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an ultrafiltration device with a back cleaning function, which relates to the technical field of ultrafiltration cleaning and comprises a rack and a plurality of groups of shells arranged above the rack, wherein a water inlet is arranged on one side below the shells, the top end of each shell is connected with a water producing port, one side above the shells is connected with a water concentrating port, and the bottom end of each shell is connected with a sewage draining port; the outside of the water producing port is connected with a water outlet connecting pipe, the water outlet connecting pipe is connected with a second connecting pipe through a first electromagnetic valve, and the other end of the second connecting pipe is connected with a backwashing water tank. According to the utility model, the electromagnetic valve and the connecting pipe are arranged at one side of the water outlet, and under the action of the back flushing water pump and the dosing pump, the dosing back flushing of the inside of the shell can be realized, so that the cleaning effect of the ultrafiltration membrane in the shell is improved, the dosing soaking cleaning of the inside of the shell can be realized through the control of the electromagnetic valve, the back cleaning quality of the ultrafiltration device is ensured, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of ultrafiltration cleaning, in particular to an ultrafiltration device with a back-cleaning function.
Background
The ultrafiltration device is a pressurized membrane separation technology, namely, under a certain pressure, small molecular solutes and solvents pass through a special membrane with a certain aperture, so that macromolecular solutes cannot permeate, and the macromolecular solutes remain on one side of the membrane, thereby partially purifying macromolecular substances.
In order to solve the problems, in an ultrafiltration device with a backwashing function disclosed in the publication number CN211725371U of the chinese patent document, when the water pressure is smaller or larger than a predetermined water pressure, the water pressure sensor discards the water pressure signal at this time into an electrical signal and transmits the electrical signal to the PLC controller, and the PLC controller controls the operation speed of the water pump discarding to increase or decrease the operation speed of the water pump discarding, so as to achieve the purpose of keeping the water pressure in a predetermined interval, thereby effectively removing impurities in the ultrafiltration device, and the cleaning process is simple and convenient;
above-mentioned ultrafiltration device is through having realized getting rid of the impurity of ultrafiltration device inside, but, the device is single through pressure differential and wash the washing that realizes the milipore filter, can not carry out accurate dosing to the inside of milipore filter and wash, can not be in washing and receive realizing the forward flushing moreover, and the inside impurity residue of milipore filter that makes easily gets into the outlet pipe, leads to ultrafiltration device's cleaning efficiency and washs the security lower.
Disclosure of Invention
The utility model aims to solve the defects that the existing ultrafiltration device with a backwashing function is used for cleaning an ultrafiltration membrane through pressure difference and flushing, the interior of the ultrafiltration membrane cannot be accurately filled with medicine and flushed, normal flushing cannot be realized during flushing, impurities in the ultrafiltration membrane are easy to remain in a water outlet pipe, and the cleaning efficiency and the cleaning safety of the ultrafiltration device are low.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the ultrafiltration device with the back cleaning function comprises a rack and a plurality of groups of shells arranged above the rack, wherein a water inlet is formed in one side below the shells, the top end of each shell is connected with a water producing port, one side above the shells is connected with a water concentrating port, and the bottom end of each shell is connected with a sewage draining port;
the water outlet is connected with a water outlet connecting pipe, the water outlet connecting pipe is connected with a second connecting pipe through a first electromagnetic valve, and the other end of the second connecting pipe is connected with a backwashing water tank;
the water outlet connecting pipe is connected with a first connecting pipe through a second electromagnetic valve, and the other side of the first connecting pipe is connected with a back flushing water pump;
the first connecting pipe is also connected with a dosing pump through a connecting pipe;
the outside of drain is connected with the drain box through the third connecting pipe, and is provided with the third solenoid valve between third connecting pipe and the drain box.
As a further description of the above technical solution:
the concentrated water ports among the multiple groups of shells are connected and installed through concentrated water connecting pipes.
As a further description of the above technical solution:
the back flushing water pump is connected with the back flushing water tank through a connecting pipe.
As a further description of the above technical solution:
the water inlet end of the back flush water pump is connected with the water outlet end of the back flush water tank, and the water outlet end of the back flush water pump is connected with the first connecting pipe.
As a further description of the above technical solution:
the inner wall of the shell is provided with an ultrafiltration membrane, and the middle part of the ultrafiltration membrane is provided with a water pipe.
As a further description of the above technical solution:
the top of the water pipe is connected with a water producing port, and the water pipe is provided with a through hole in the ultrafiltration membrane.
As a further description of the above technical solution:
and the upper end and the lower end of the ultrafiltration membrane are respectively provided with a sealant.
In conclusion, by adopting the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the electromagnetic valve and the connecting pipe are arranged at one side of the water outlet, and under the action of the back flushing water pump and the dosing pump, the dosing back flushing of the inside of the shell can be realized, so that the cleaning effect of the ultrafiltration membrane in the shell is improved, the dosing soaking cleaning of the inside of the shell can be realized through the control of the electromagnetic valve, the back cleaning quality of the ultrafiltration device is ensured, and the operation is simple and convenient.
2. According to the utility model, the sewage can be directly collected by the sewage tank through the third electromagnetic valve connected with the sewage tank outside the sewage pipe, and the device can realize the forward flushing effect after the back cleaning under the action of the water concentrate pipe arranged on the side part of the shell, so that the cleaning safety of the device is improved.
Drawings
FIG. 1 is a schematic perspective view of an ultrafiltration device with backwashing function according to the present utility model;
FIG. 2 is a schematic diagram showing a connection structure of an ultrafiltration device with a backwashing function according to the present utility model;
FIG. 3 is a schematic perspective view of a housing according to the present utility model;
FIG. 4 is a schematic view of the internal cross-sectional structure of the housing of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 4 at a in the present utility model.
Legend description:
1. a frame; 2. a housing; 3. a water inlet; 4. a water producing port; 5. a water concentration port; 6. a sewage outlet; 7. a concentrated water connecting pipe; 8. a water outlet connecting pipe; 9. a first electromagnetic valve; 10. a second electromagnetic valve; 11. a first connection pipe; 12. back flushing the water pump; 13. backwashing the water tank; 14. a second connection pipe; 15. a dosing pump; 16. a third connection pipe; 17. a third electromagnetic valve; 18. a blow-down tank; 19. an ultrafiltration membrane; 20. a through hole; 21. and (3) a sealant.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, an ultrafiltration device with a back washing function comprises a frame 1, a plurality of groups of housings 2, a water inlet 3, a water outlet 4, a water concentration port 5, a sewage outlet 6, a concentrated water connecting pipe 7, a water outlet connecting pipe 8, a first electromagnetic valve 9, a second electromagnetic valve 10, a first connecting pipe 11, a backwash water pump 12, a backwash water tank 13, a second connecting pipe 14, a dosing pump 15, a third connecting pipe 16, a third electromagnetic valve 17, a sewage draining box 18, an ultrafiltration membrane 19, a through hole 20 and a sealing agent 21 which are arranged above the frame 1, wherein the plurality of groups of housings 2 are arranged in the frame 1, the installation effect of the housings 2 is ensured, the water inlet 3 is arranged at one side below the housings 2, so that raw water can enter the housing 2 through the water inlet 3, and the concentrated water outlet 4 is connected to the top of the housing 2, so that clean water after ultrafiltration can be discharged through the water outlet 4, and simultaneously, the concentrated water outlet 5 is connected to one side above the housing 2, so that the concentrated water can be conveniently discharged, and the sewage outlet 6 is connected to the bottom of the housing 2, the sewage draining port 6 is connected to the outside the sewage draining port 6 through the third connecting pipe 16, the sewage draining port 16, the sewage outlet 6 is connected to the third electromagnetic valve 18, and the sewage draining port 18 is connected to the housing 2 through the third connecting pipe 18, and the sewage draining port 6 is connected to the third electromagnetic valve 6, and the sewage outlet 6 is connected to the third connecting pipe 6, and the sewage outlet 6 is connected to the clean through the third connecting pipe 6, and the sewage outlet 6, and the clean through the sewage outlet 6;
in order to achieve good ultrafiltration effect inside the shell 2, an ultrafiltration membrane 19 is arranged on the inner wall of the shell 2, the ultrafiltration membrane 19 is made of polyethersulfone, good water permeability is achieved, ultrafiltration efficiency inside the shell 2 is guaranteed, in order to achieve installation stability of the ultrafiltration membrane 19 inside the shell 2, sealing agents 21 are arranged at the upper end and the lower end of the ultrafiltration membrane 19, installation effect of the ultrafiltration membrane 19 is guaranteed, meanwhile, a water pipe is arranged in the middle of the ultrafiltration membrane 19, the top end of the water pipe is connected with the water producing port 4, so that filtered water inside the ultrafiltration membrane 19 can be discharged through the water producing port 4, in order to achieve circulation effect of the water pipe, a through hole 20 is formed in the ultrafiltration membrane 19, and water can enter the water pipe through the through hole 20 and circulate through the water producing port 4 conveniently;
in order to realize the high-efficiency utilization and the extension of the service life of the ultrafiltration membrane 19, the water outlet connecting pipe 8 is connected with the outside of the water outlet 4 and is connected with the second connecting pipe 14 through the first electromagnetic valve 9, so as to control the water outlet connecting pipe 8, the other end of the second connecting pipe 14 is connected with the backwash water tank 13, simultaneously, the water outlet connecting pipe 8 is connected with the first connecting pipe 11 through the second electromagnetic valve 10, and the other side of the first connecting pipe 11 is connected with the backwash water pump 12, and in order to realize the backwash quality of the inside of the shell 2, the first connecting pipe 11 is also connected with the dosing pump 15 through the connecting pipe, the inside of the dosing pump 15 is sodium hypochlorite, and the backwash water pump 12 is connected with the backwash water tank 13 through the connecting pipe, the water inlet end of the backwash water pump 12 is connected with the water outlet end of the backwash water tank 13, and the water outlet end of the backwash water pump 12 is connected with the first connecting pipe 11, so that the inside of the backwash water tank 13 can circulate to the first connecting pipe 11 through the backwash water pump 12, when the device is reversely cleaned, the water inlet 3 is closed through the electromagnetic valve, the first electromagnetic valve 9 is closed, the one side of the water outlet 8 is closed through the first electromagnetic valve 9, the sewage outlet 5 is directly opened through the water outlet 5, the sewage outlet 5 is directly opened through the sewage outlet 5, and the sewage draining device is directly opened through the sewage draining device 6, and the sewage draining device is opened through the sewage draining valve 6, the sewage draining device is opened through the sewage draining valve 5, and the sewage draining device is opened through the sewage outlet 5, the device can be positively flushed, when the device is positively flushed, the water producing port 4 is closed through the second electromagnetic valve 10 and the first electromagnetic valve 9, the sewage outlet 6 is closed through the third electromagnetic valve 17, and the device is directly discharged through the water concentrating port 5 after water is fed through the water inlet 3, so that the positive flushing effect of the device is realized, and the cleaning effect and the cleaning safety of the device are ensured.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (7)
1. The utility model provides an ultrafiltration device with back-washing function, includes frame (1) and multiunit install casing (2) above frame (1), its characterized in that: a water inlet (3) is formed in one side below the shell (2), the top end of the shell (2) is connected with a water producing port (4), one side above the shell (2) is connected with a water concentrating port (5), and the bottom end of the shell (2) is connected with a sewage outlet (6);
the water outlet (4) is externally connected with a water outlet connecting pipe (8), the water outlet connecting pipe (8) is connected with a second connecting pipe (14) through a first electromagnetic valve (9), and the other end of the second connecting pipe (14) is connected with a backwashing water tank (13);
the water outlet connecting pipe (8) is connected with a first connecting pipe (11) through a second electromagnetic valve (10), and the other side of the first connecting pipe (11) is connected with a back flushing water pump (12);
the first connecting pipe (11) is also connected with a dosing pump (15) through a connecting pipe;
the outside of drain (6) is connected with drain box (18) through third connecting pipe (16), and is provided with third solenoid valve (17) between third connecting pipe (16) and drain box (18).
2. An ultrafiltration device with backwash function according to claim 1, wherein: the water concentration ports (5) among the multiple groups of shells (2) are connected and installed through a concentrated water connecting pipe (7).
3. An ultrafiltration device with backwash function according to claim 1, wherein: the back flushing water pump (12) is connected with the back flushing water tank (13) through a connecting pipe.
4. An ultrafiltration device with backwashing function according to claim 3, wherein: the water inlet end of the back flushing water pump (12) is connected with the water outlet end of the back flushing water tank (13), and the water outlet end of the back flushing water pump (12) is connected with the first connecting pipe (11).
5. An ultrafiltration device with backwash function according to claim 2, wherein: an ultrafiltration membrane (19) is arranged on the inner wall of the shell (2), and a water pipe is arranged in the middle of the ultrafiltration membrane (19).
6. An ultrafiltration device with backwash function according to claim 5 wherein: the top end of the water pipe is connected with the water producing port (4), and the water pipe is provided with a through hole (20) in the ultrafiltration membrane (19).
7. An ultrafiltration device with backwash function according to claim 5 wherein: the upper end and the lower end of the ultrafiltration membrane (19) are respectively provided with a sealant (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673482.1U CN219663378U (en) | 2023-03-30 | 2023-03-30 | Ultrafiltration device with back-washing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673482.1U CN219663378U (en) | 2023-03-30 | 2023-03-30 | Ultrafiltration device with back-washing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219663378U true CN219663378U (en) | 2023-09-12 |
Family
ID=87922782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320673482.1U Active CN219663378U (en) | 2023-03-30 | 2023-03-30 | Ultrafiltration device with back-washing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219663378U (en) |
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2023
- 2023-03-30 CN CN202320673482.1U patent/CN219663378U/en active Active
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