CN210885438U - Reverse osmosis membrane protection system - Google Patents
Reverse osmosis membrane protection system Download PDFInfo
- Publication number
- CN210885438U CN210885438U CN201921934021.5U CN201921934021U CN210885438U CN 210885438 U CN210885438 U CN 210885438U CN 201921934021 U CN201921934021 U CN 201921934021U CN 210885438 U CN210885438 U CN 210885438U
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- China
- Prior art keywords
- water
- reverse osmosis
- osmosis membrane
- pure water
- water pump
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- Expired - Fee Related
Links
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 80
- 239000012528 membrane Substances 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 275
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a reverse osmosis membrane protection system relates to water filtration technical field. The system comprises a first water pump, a first reverse osmosis membrane group, a second water pump, a second reverse osmosis membrane group, a pure water pipe network, a pure water tank, a control valve and a controller, wherein the controller is in control connection with the first water pump, the second water pump and the control valve, when the controller receives a stop instruction, pure water collected by the pure water tank is supplied to the water treatment system again, and the first water pump and the second water pump are controlled to continuously run for a set time and then stop. Introduce first reverse osmosis membrane group and second reverse osmosis membrane group through first water pump, second water pump and control valve with the pure water of pure water case, and then dilute the dense water in first reverse osmosis membrane group and second reverse osmosis membrane group and discharge even, avoided dense water to build up pressure in first reverse osmosis membrane group and second reverse osmosis membrane group, reduced the corrosion damage to reverse osmosis membrane, improved reverse osmosis membrane's life.
Description
Technical Field
The utility model relates to a water filtration technology field, concretely relates to reverse osmosis membrane protection system.
Background
Reverse osmosis principle is often used for water filtration, in-process such as processing, compare in traditional ion exchange and handle, reverse osmosis treatment can the effectual emission that reduces acid and base, more be favorable to environmental protection, reverse osmosis needs's leading part be reverse osmosis membrane and booster water pump, under the general condition, water treatment system shuts down the back, can keep having remained surplus liquid in reverse osmosis membrane group, wherein, one side of reverse osmosis membrane is kept there is dense water, reverse osmosis membrane's opposite side is retained there is the pure water, corrosion damage can appear under if reverse osmosis membrane is in dense water for a long time and soaks, cause reverse osmosis membrane's pollution, reverse osmosis membrane's life is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the background technology, the utility model provides a reverse osmosis membrane protection system.
A reverse osmosis membrane protection system comprises a first water pump, a first reverse osmosis membrane group, a second water pump, a second reverse osmosis membrane group and a pure water pipe network, wherein the first reverse osmosis membrane group comprises a first filtered water inlet, a first concentrated water outlet and a first pure water outlet, and the second reverse osmosis membrane group comprises a second filtered water inlet, a second concentrated water outlet and a second pure water outlet; the reverse osmosis membrane protection system comprises a pure water tank, a control valve and a controller, wherein the control valve comprises a first valve water inlet end, a second valve water inlet end and a valve water outlet end; the water inlet of the pure water tank is connected with any water outlet of the pure water pipe network through a pipeline, the water outlet of the pure water tank is connected with the water inlet end of the first valve through a pipeline, the water inlet end of the second valve is used for connecting raw water, and the water outlet end of the valve is connected with the water inlet of the first water pump; the controller is in control connection with the first water pump, the second water pump and the control valve, when the controller receives a stop instruction, the controller controls the control valve to enable the water inlet end of the first valve to be communicated with the water outlet end of the valve, enable the water inlet end of the second valve to be cut off from the water outlet end of the valve, and control the first water pump and the second water pump to continuously run for a set time and then stop.
Based on the above, in order to prevent the condition of no pure water in the pure water tank, the phenomenon that the water treatment response speed is slow when avoiding pure water pipe network to need water urgently appears simultaneously, reverse osmosis membrane protection system still includes buffer memory water tank and pure water pump, second pure water export with be provided with on the pipeline between the water inlet of pure water pipe network the buffer memory water tank with pure water pump, second pure water exit linkage the water inlet of buffer memory water tank, the delivery port of buffer memory water tank is connected pure water pump's water inlet, pure water pump's delivery port is connected pure water pipe network's water inlet, controller control connection pure water pump.
Based on the above, in order to prevent the pure water pump from damaging, be provided with the level gauge in the pure water case, the controller sampling is connected the level gauge, the controller is used for when the measured value of level gauge is less than the settlement low value closing the pure water pump.
Based on the above, in order to simply and sensitively realize the control of the on-off of the pipeline, the control valve is an electromagnetic three-way valve.
Based on the aforesaid, in order to avoid water pump vibrations to influence interface connection effect, the valve water outlet end passes through flange joint the water inlet of first water pump.
The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model discloses collect the pure water after the water treatment through the pure water case to supply water processing system once more, when water processing system shut down, through first water pump, second water pump and control valve introduce first reverse osmosis membrane group and second reverse osmosis membrane group with the pure water of pure water case, and then dilute the concentrated water in first reverse osmosis membrane group and the second reverse osmosis membrane group and discharge even, avoided the concentrated water to build up in first reverse osmosis membrane group and second reverse osmosis membrane group and pressed, reduced the corrosion damage to reverse osmosis membrane, improved reverse osmosis membrane's life.
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 these drawings without creative efforts.
FIG. 1 is a schematic view of a reverse osmosis membrane protection system according to the present invention;
fig. 2 is a schematic structural diagram of a reverse osmosis membrane group in a reverse osmosis membrane protection system of the present invention;
FIG. 3 is a control block diagram of a reverse osmosis membrane protection system of the present invention;
FIG. 4 is a schematic view of another reverse osmosis membrane protection system of the present invention;
FIG. 5 is a control block diagram of another reverse osmosis membrane protection system of the present invention;
in the figure: 1. a first water pump; 2. a first reverse osmosis membrane group; 3. a second water pump; 4. a second reverse osmosis membrane group; 5. a net of pure water; 6. a pure water tank; 7. an electromagnetic three-way valve; 8. a controller; 9. a buffer water tank; 10. a pure water pump; 11. a pure water outlet; 12. a reverse osmosis membrane; 13. a filtered water inlet; 14. and a concentrated water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a reverse osmosis membrane protection system, which comprises a first water pump 1, a first reverse osmosis membrane group 2, a second water pump 3, a second reverse osmosis membrane group 4 and a pure water pipe network 5, wherein the first reverse osmosis membrane group 2 comprises a first filtered water inlet, a first concentrated water outlet and a first pure water outlet, and the second reverse osmosis membrane group 4 comprises a second filtered water inlet, a second concentrated water outlet and a second pure water outlet; the water outlet of the first water pump 1 is connected with a first filtered water inlet through a pipeline, the first pure water outlet is connected with the water inlet of the second water pump 3 through a pipeline, the water outlet of the second water pump 3 is connected with a second filtered water inlet through a pipeline, the second pure water outlet is connected with the water inlet of a pure water pipe network 5 through a pipeline, and the first concentrated water outlet and the second concentrated water outlet are both used for discharging concentrated water; wherein, first water pump 1 and second water pump 3 are the high pressure water pump among the original water treatment system, and first water pump 1 constitutes one-level pure water treatment with first reverse osmosis membrane group 2, and second water pump 3 constitutes second grade pure water treatment with second reverse osmosis membrane group 4.
The first reverse osmosis membrane group 2 and the second reverse osmosis membrane group 4 respectively comprise reverse osmosis membranes and shells wrapping the reverse osmosis membranes, and a filtered water inlet, a concentrated water outlet and a pure water outlet are arranged on the shells; the reverse osmosis membrane module may be a reverse osmosis main unit in the prior art, for example, as shown in fig. 2, the reverse osmosis membrane module includes a pure water outlet 11, a reverse osmosis membrane 12, a filtered water inlet 13 and a concentrated water outlet 14.
As shown in fig. 3, the reverse osmosis membrane protection system further comprises a pure water tank 6, an electromagnetic three-way valve 7 and a controller 8, wherein the electromagnetic three-way valve 7 comprises a first valve water inlet end, a second valve water inlet end and a valve water outlet end; the water inlet of pure water case 6 passes through the arbitrary delivery port of tube coupling pure water pipe network 5, and the delivery port of pure water case 6 passes through the first valve of tube coupling end of intaking, and the second valve end of intaking is used for connecting the raw water, and the valve goes out the water inlet of water end through flange joint first water pump 1, and as other implementation modes, the valve goes out the water end and can pass through tube coupling such as hose, nonrust steel pipe with the water inlet of first water pump 1.
The controller 8 is connected with the first water pump 1, the second water pump 3 and the electromagnetic three-way valve 7 in a control mode, when the controller 8 receives a stop instruction, the controller 8 controls the electromagnetic three-way valve to enable the water inlet end of the first valve to be communicated with the water outlet end of the valve, enable the water inlet end of the second valve to be cut off from the water outlet end of the valve, and control the first water pump 1 and the second water pump 3 to continuously run for 2 minutes and then stop, wherein the 2 minutes is set time and can be adjusted according to the size of an actual reverse osmosis membrane group and the discharge capacity of the water pumps.
The electromagnetic three-way valve 7 is essentially a control valve, and as another embodiment, the electromagnetic three-way valve 7 may be replaced by a controlled three-way valve such as a pneumatic three-way valve.
As another embodiment, as shown in fig. 4 and 5, the reverse osmosis membrane protection system further includes a buffer water tank 9 and a pure water pump 10, a pipeline between the second pure water outlet and the water inlet of the pure water pipe network 5 is provided with the buffer water tank 9 and the pure water pump 10, the second pure water outlet is connected to the water inlet of the buffer water tank 9, the water outlet of the buffer water tank 9 is connected to the water inlet of the pure water pump 10, the water outlet of the pure water pump 10 is connected to the water inlet of the pure water pipe network 5, and the controller 8 is connected to the pure water pump 10 under control. A liquid level meter is arranged in the cache water tank 9, the controller 8 is connected with the liquid level meter in a sampling mode, and when the measured value of the liquid level meter is smaller than a set low value, the controller 8 controls the pure water pump 10 to be closed, so that the pure water pump is prevented from being damaged due to idle running. The utility model discloses well level gauge can measure, confirms water level height in the pure water case, as other implementation modes, can set up two level gauges from top to bottom in the pure water case, goes up the level gauge and realizes the monitoring to the water level upper limit for surpass the water level upper limit and report to the police or stop the operation of reverse osmosis high-pressure pump, lower level gauge realizes the monitoring to the water level lower limit, is used for reporting to the police or stop the operation of pure water pump when being less than the water level lower limit. Of course, as another embodiment, according to the field installation situation of the water treatment system, the reverse osmosis membrane protection system may further connect the buffer water tank to the water inlet of the first water pump through a pipeline, so as to supply pure water.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A reverse osmosis membrane protection system comprises a first water pump, a first reverse osmosis membrane group, a second water pump, a second reverse osmosis membrane group and a pure water pipe network, wherein the first reverse osmosis membrane group comprises a first filtered water inlet, a first concentrated water outlet and a first pure water outlet, and the second reverse osmosis membrane group comprises a second filtered water inlet, a second concentrated water outlet and a second pure water outlet; the water outlet of the first water pump is connected with the first filtered water inlet through a pipeline, the first pure water outlet is connected with the water inlet of the second water pump through a pipeline, the water outlet of the second water pump is connected with the second filtered water inlet through a pipeline, the second pure water outlet is connected with the water inlet of the pure water pipe network through a pipeline, and the first concentrated water outlet and the second concentrated water outlet are both used for discharging concentrated water, and the water purifier is characterized in that: the reverse osmosis membrane protection system also comprises a pure water tank, a control valve and a controller, wherein the control valve comprises a first valve water inlet end, a second valve water inlet end and a valve water outlet end; the water inlet of the pure water tank is connected with any water outlet of the pure water pipe network through a pipeline, the water outlet of the pure water tank is connected with the water inlet end of the first valve through a pipeline, the water inlet end of the second valve is used for connecting raw water, and the water outlet end of the valve is connected with the water inlet of the first water pump; the controller is in control connection with the first water pump, the second water pump and the control valve, when the controller receives a stop instruction, the controller controls the control valve to enable the water inlet end of the first valve to be communicated with the water outlet end of the valve, enable the water inlet end of the second valve to be cut off from the water outlet end of the valve, and control the first water pump and the second water pump to continuously run for a set time and then stop.
2. The reverse osmosis membrane protection system of claim 1, wherein: the reverse osmosis membrane protection system further comprises a cache water tank and a pure water pump, wherein a pipeline between a second pure water outlet and a pure water pipe network is provided with the cache water tank and the pure water pump, the second pure water outlet is connected with a water inlet of the cache water tank, a water outlet of the cache water tank is connected with a water inlet of the pure water pump, a water outlet of the pure water pump is connected with a water inlet of the pure water pipe network, and the controller is in control connection with the pure water pump.
3. The reverse osmosis membrane protection system of claim 2, wherein: the pure water tank is internally provided with a liquid level meter, the controller is connected with the liquid level meter in a sampling mode, and the controller is used for closing the pure water pump when the measurement value of the liquid level meter is smaller than a set low value.
4. The reverse osmosis membrane protection system of claim 1, wherein: the control valve is an electromagnetic three-way valve.
5. The reverse osmosis membrane protection system of claim 1, wherein: and the water outlet end of the valve is connected with the water inlet of the first water pump through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934021.5U CN210885438U (en) | 2019-11-11 | 2019-11-11 | Reverse osmosis membrane protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934021.5U CN210885438U (en) | 2019-11-11 | 2019-11-11 | Reverse osmosis membrane protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210885438U true CN210885438U (en) | 2020-06-30 |
Family
ID=71322600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921934021.5U Expired - Fee Related CN210885438U (en) | 2019-11-11 | 2019-11-11 | Reverse osmosis membrane protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210885438U (en) |
-
2019
- 2019-11-11 CN CN201921934021.5U patent/CN210885438U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |