CN212864415U - Ultrapure water system capable of improving water safety - Google Patents
Ultrapure water system capable of improving water safety Download PDFInfo
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- CN212864415U CN212864415U CN202021036853.8U CN202021036853U CN212864415U CN 212864415 U CN212864415 U CN 212864415U CN 202021036853 U CN202021036853 U CN 202021036853U CN 212864415 U CN212864415 U CN 212864415U
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Abstract
The utility model discloses an ultrapure water system capable of improving water safety, including the one-level filter device, the first water quality monitoring device of intaking, booster pump, second grade filter device, the second water quality monitoring device of intaking, EDI module, pure water quality monitoring device and the one-level pure water case that connect gradually. The utility model can monitor the quality of the tap water filtered by the primary filtering device by arranging the first water inlet quality monitoring device, can improve the filtering efficiency of the secondary filtering device, can also avoid the condition that the secondary filtering device is influenced by the water quality problem, and can use the secondary filtering device for a long time; the quality of the pure water entering the EDI module can be monitored by arranging the second inlet water quality monitoring device so as to ensure the water production quality of the EDI module; the pure water quality monitoring device is arranged between the EDI module and the first-stage pure water tank, so that the quality of pure water can be monitored in real time; to ensure the quality of the ultrapure water.
Description
Technical Field
The utility model relates to an ultrapure water system capable of improving water safety.
Background
Ultrapure water is widely applied to industries such as electric power, electronics, chemical industry, pharmacy and the like, and if the water quality of the ultrapure water does not meet the requirements, the quality of products or the results of scientific experiments can be affected. At present, in the treatment of ultrapure water, water is subjected to reverse osmosis membrane filtration and EDI treatment, then is subjected to ultraviolet sterilization and microfiltration treatment to remove bacteria remained in the water, and the ultraviolet sterilization device and the microfiltration membrane filter are used at high frequency, so that the daily maintenance cost is greatly increased, the use cost of the ultrapure water is greatly increased, and the quality of the ultrapure water is not up to the standard in actual production and medical water. In addition, the existing ultrapure water system cannot monitor the water quality of the intermediate filtration link of the system, and the water quality is unqualified or the machine cannot run, so that greater loss is brought to users.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can improve the ultrapure water system of water safety nature can carry out real-time supervision to the quality of water of ultrapure water.
In order to solve the technical problem, the utility model provides a can improve ultrapure water system of water safety, including the one-level filter equipment, the first water quality monitoring device of intaking, booster pump, second grade filter equipment, the second water quality monitoring device of intaking, EDI module, pure water quality monitoring device and one-level pure water case that connect gradually.
Furthermore, the primary filtering device comprises a PP filter and an AC/SPWE composite preprocessor which are sequentially connected according to the water inlet direction of tap water.
Furthermore, the first water inlet quality monitoring device comprises a residual chlorine monitor, a turbidity monitor, a first pressure sensor and a water inlet valve which are sequentially connected, wherein a water inlet of the residual chlorine monitor is connected with a water outlet of the primary filtering device, and a water outlet of the water inlet valve is connected with a water inlet of the secondary filtering device.
Furthermore, the secondary filtering device comprises an RO membrane filtering unit, a booster pump is arranged between the RO membrane filtering unit and the primary filtering device, a water outlet of the RO membrane filtering unit is respectively connected with a pure water inlet of the EDI module and an electrode water inlet of the EDI module, and a third proportional valve is connected between the water outlet of the RO membrane filtering unit and the electrode water inlet of the EDI module; and a water production outlet of the EDI module is provided with a back pressure valve.
Further, the RO membrane filtration unit comprises a first-stage RO membrane filter and a second-stage RO membrane filter which are sequentially connected, a water inlet of the first-stage RO membrane filter is connected with the booster pump, and a water outlet of the second-stage RO membrane filter is connected with a pure water inlet of the EDI module and an electrode water inlet of the EDI module.
Further, the delivery port of the second-stage filtering device is provided with a discharge valve, a second water inlet quality monitoring device is arranged between the delivery port of the second-stage filtering device and the discharge valve, and the second water inlet quality monitoring device comprises a first water quality monitor.
Further, a flow meter is connected between the polar water inlet of the EDI module and the third proportional valve.
Further, the pure water quality monitoring device comprises a second water quality monitor, a circulating pump and a fine purification column; a second check valve is arranged between the water inlet of the second water quality monitor and the water outlet of the EDI module; the water inlet of the circulating pump is respectively connected with the water inlet of the first-stage pure water tank and the water production outlet of the EDI module, a first check valve is arranged between the water inlet of the circulating pump and the water production outlet of the EDI module, the water outlet of the second water quality monitor is connected with the water inlet of a third check valve, and the water outlet of the third check valve is connected between the water inlet of the circulating pump and the first check valve; the fine purification column is connected between the water outlet of the circulating pump and the water inlet of the second water quality monitor; a fourth check valve is arranged between the fine purification column and the water inlet of the second water quality monitor.
Further, the system further comprises a water intake pipeline, wherein the water inlet end of the water intake pipeline is connected between the water outlet of the second pure water quality monitor and the third check valve, and a water intake electromagnetic valve is arranged on the water intake pipeline.
Furthermore, a liquid level meter is arranged in the first-stage pure water tank.
The utility model has the advantages that: the first inlet water quality monitoring device is arranged between the first-stage filtering device and the second-stage filtering device, so that the quality of tap water filtered by the first-stage filtering device can be monitored, the filtering efficiency of the second-stage filtering device can be improved, the condition that the second-stage filtering device is influenced by the water quality problem can be avoided, and the second-stage filtering device can be used for a long time; a second water inlet quality monitoring device is arranged between the water outlet of the secondary filtering device and the discharge valve, so that the quality of pure water entering the EDI module can be monitored, and the water quality of the EDI module is ensured; the pure water quality monitoring device is arranged between the EDI module and the first-stage pure water tank, so that the quality of pure water can be monitored in real time; to ensure the quality of the ultrapure water.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic diagram of the system operating only while producing water.
FIG. 2 is a schematic diagram of the system operating when producing water and using ultrapure water.
Fig. 3 is a working principle diagram when the system produces water and checks the ultra-purified water quality according to the circulation function.
Fig. 4 is a working principle diagram when the system is producing water and checking the ultra-purified water quality according to the circulation function.
Wherein: 1. a PP filter; 2. an AC/SPWE composite preprocessor; 3. a residual chlorine monitor; 4. a turbidity monitor; 5. a first pressure sensor; 6. a water inlet valve; 7. a booster pump; 8. a first-stage RO membrane filter; 81. a second pressure sensor; 9. a sewage control valve; 10. a first proportional valve; 11. a secondary RO membrane filter; 12. a first water quality monitor; 13. a second proportional valve; 14. a discharge valve; 15. a flow meter; 16. A third proportional valve; 17. an EDI module; 18. a back pressure valve; 19. a first check valve; 20. a second check valve; 21. a second pure water quality monitor; 22. a water getting electromagnetic valve; 23. a third check valve; 24. a circulation pump; 25. an ultraviolet water processor; 26. a fine purification column; 27. a fourth check valve; 28. a first-stage pure water tank; 29. a liquid level meter; 30. a water leak detection probe.
Detailed Description
The ultrapure water system capable of improving water use safety as shown in fig. 1 to 4 comprises a primary filtering device, a first inlet water quality monitoring device, a booster pump 7, a second pressure sensor 8181, a secondary filtering device, a second inlet water quality monitoring device, an EDI module 17, a pure water quality monitoring device and a primary pure water tank 28 which are connected in sequence.
According to the water quality monitoring device, the first water inlet quality monitoring device is arranged between the first-stage filtering device and the second-stage filtering device, so that the quality of tap water filtered by the first-stage filtering device can be monitored, the filtering efficiency of the second-stage filtering device can be improved, the condition that the second-stage filtering device is influenced by the water quality problem can be avoided, and the second-stage filtering device can be used for a long time; a second inlet water quality monitoring device is arranged between the water outlet of the secondary filtering device and the discharge valve 14, so that the quality of pure water entering the EDI module 17 can be monitored, and the water production quality of the EDI module 17 can be ensured; the pure water quality monitoring device is arranged between the EDI module 17 and the first-stage pure water tank 28, so that the pure water quality can be monitored in real time; to ensure the quality of the ultrapure water.
The primary filtering device comprises a PP filter 1 and an AC/SPWE composite preprocessor 2 which are sequentially connected according to the water inlet direction of tap water. In the water production process, bacteria and particles in tap water can be removed through the PP filter 1 and the AC/SPWE composite preprocessor 2, and preliminary filtration is realized, so that the filtration efficiency of a subsequent reverse osmosis membrane filtration device is improved.
The first water inlet water quality monitoring device comprises a residual chlorine monitor 3, a turbidity monitor 4, a first pressure sensor 5 and a water inlet valve 6 which are sequentially connected, wherein a water inlet of the residual chlorine monitor 3 is connected with a water outlet of the primary filtering device, and a water outlet of the water inlet valve 6 is connected with a water inlet of the secondary filtering device. Can detect the chlorine residue and the foreign matter granule content of running water through chlorine residue detector and turbidity detector, can detect current pipeline normal water pressure through first pressure sensor 5, when detecting that the chlorine residue and the foreign matter granule content of finding the running water are greater than predetermineeing the threshold value or current pipeline normal water pressure is less than the threshold value, then close water intaking valve 6 immediately to remind the staff in time to make the processing.
The secondary filtering device comprises an RO membrane filtering unit, a booster pump 7 is arranged between the RO membrane filtering unit and the primary filtering device, a water outlet of the RO membrane filtering unit is respectively connected with a pure water inlet of the EDI module 17 and an electrode water inlet of the EDI module 17, and a third proportional valve 16 is connected between the water outlet of the RO membrane filtering unit and the electrode water inlet of the EDI module 17; and a water production outlet of the EDI module 17 is provided with a back pressure valve 18. Through the product water export at EDI module 17 setting up back pressure valve 18 for EDI module 17's inside, pure water inlet, third proportional valve 16 front end all are the constant voltage, so the pressure fluctuation (pure water total amount fluctuation) of intaking can not influence the pressure of this 3 pipeline nodes, the invariable discharge through third proportional valve 16 of pressure is invariable in the pipeline, when total pure water total quantitative change hours, back pressure valve 18's effect can be given priority to the pure water entering utmost point water inlet always, EDI module 17 just can not appear the electrode lack of water and generate heat and burn out.
The RO membrane filtration unit comprises a first-level RO membrane filter 8 and a second-level RO membrane filter 11 which are sequentially connected, the water inlet of the first-level RO membrane filter 8 is connected with the booster pump 7, and the water outlet of the second-level RO membrane filter 11 is connected with the pure water inlet of the EDI module 17 and the polar water inlet of the EDI module 17. A sewage port of the first-stage RO membrane filter 8 is communicated with a floor drain through a first sewage pipe, a sewage control valve 9 is arranged on the first sewage pipe, and a first proportional valve 10 is connected in parallel between a water inlet and a water outlet of the sewage control valve 9; and a second sewage port of the second-stage RO membrane filter 11 is communicated with the floor drain through a sewage pipe, and a second proportional valve 13 is arranged on the first sewage pipe.
The delivery port of secondary filter device is equipped with bleeder 14, be equipped with the second quality of water monitoring devices of intaking between secondary filter device's delivery port and bleeder 14, the second quality of water monitoring devices of intaking includes first quality of water monitor 12. The first water quality monitor 12 is used for monitoring the quality of tap water entering the EDI module 17 so as to ensure the water quality of the EDI module 17.
And a flow meter 15 is connected between the polar water inlet of the EDI module 17 and the third proportional valve 16. In the water production process, a flow threshold value can be set, when the flow meter 15 detects that the water flow in the polar water pipe is smaller than the threshold value, the power supply of the EDI module 17 is cut off, and the EDI module 17 is prevented from being burnt out due to heating.
The pure water quality monitoring device comprises a second pure water quality monitor 21, a circulating pump 24 ultraviolet water processor and a fine purification column 26; a second check valve 20 is arranged between the water inlet of the second pure water quality monitor 21 and the water outlet of the EDI module 17; a water inlet of the circulating pump 24 is respectively connected with a water inlet of the first-stage pure water tank 28 and a water production outlet of the EDI module 17, a first check valve 19 is arranged between the water inlet of the circulating pump 24 and the water production outlet of the EDI module 17, a water outlet of the second pure water quality monitor 21 is connected with a water inlet of a third check valve 23, and a water outlet of the third check valve 23 is connected between the water inlet of the circulating pump 24 and the first check valve 19; a fourth check valve 27 is arranged between the fine purification column 26 and the water inlet of the second pure water quality monitor 21.
This application can carry out real-time supervision to the quality of water of pure water through be equipped with pure water quality monitoring devices between EDI module 17 and one-level pure water case 28 to second pure water quality monitoring system 21 in this application can realize the function of the two qualities of water of single monitor monitoring, and the ultrapure water quality in the product water and the one-level pure water case 28 that can EDI module 17 monitors simultaneously, and concrete theory of operation is as follows:
1. as shown in fig. 2, the produced water from the EDI module 17 passes through the back pressure valve 18 and then enters the second pure water quality monitor 21 (which monitors whether the water quality from the EDI module 17 is qualified or not and displays) through the second check valve 20 (the opening pressure is 0.05Mpa), and then flows to the primary water tank for storage as indicated by the solid arrow in the figure.
2. As shown in FIG. 3, if ultrapure water is used at the same time as the water production, EDI produced water (solid arrow) flows through the check valve A (opening pressure 0.01MPa) to the inlet of the circulating pump 24, then flows through the ultraviolet lamp, the fine purification column 26, the second pure water quality monitor 21 and then flows out of the water intake solenoid valve 22.
3. As shown in fig. 4, if the ultra-purified water quality is checked according to the circulation function while producing water, EDI produced water (solid arrow) flows through the check valve a (opening pressure 0.01Mpa) to the inlet of the pump, and enters the water tank. The circulating flow passes through the UV and fine purification column 26 and then to the water inlet of the circulating pump 24 by the dotted arrow.
According to an embodiment of the present application, the system further comprises a water intake pipeline, wherein the water inlet end of the water intake pipeline is connected between the water outlet of the second pure water quality monitor 21 and the third check valve 23, and a water intake electromagnetic valve 22 is arranged on the water intake pipeline. In the production process, ultrapure water meeting the water quality after water quality monitoring can be obtained through the water taking pipeline.
The first-stage pure water tank 28 is used for storing the ultrapure water prepared by the EDI module 17, a liquid level meter 29 is arranged in the first-stage pure water tank 28, and the pure water amount in the first-stage pure water tank 28 can be monitored through the liquid level meter 29.
When the whole system is in operation, the water leakage detection probe 30 is always in a working state, once a water leakage signal is detected, all actions of the whole system stop, a water leakage alarm and a buzzer sound for a long time are displayed, and the system is powered off and restarted until the water leakage signal disappears.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The utility model provides an ultrapure water system that can improve water safety, its characterized in that, including the one-level filter equipment, the first quality of water monitoring devices that intakes, booster pump, second grade filter equipment, the second quality of water monitoring devices that intakes, EDI module, pure water quality monitoring devices and the one-level pure water case that connects gradually.
2. The ultrapure water system according to claim 1, wherein the primary filtration device comprises a PP filter and an AC/SPWE composite preprocessor connected in series in the water inlet direction of the tap water.
3. The ultrapure water system capable of improving water use safety as recited in claim 1 wherein the first inlet water quality monitoring device comprises a residual chlorine monitor, a turbidity monitor, a first pressure sensor and a water inlet valve connected in sequence, wherein the water inlet of the residual chlorine monitor is connected with the water outlet of the primary filtering device, and the water outlet of the water inlet valve is connected with the water inlet of the secondary filtering device.
4. The ultrapure water system capable of improving water use safety as recited in claim 1 wherein the secondary filtration device comprises an RO membrane filtration unit, a booster pump is provided between the RO membrane filtration unit and the primary filtration device, the water outlet of the RO membrane filtration unit is connected to the pure water inlet of the EDI module and the polar water inlet of the EDI module respectively, and a third proportional valve is provided between the water outlet of the RO membrane filtration unit and the polar water inlet of the EDI module; and a water production outlet of the EDI module is provided with a back pressure valve.
5. The ultrapure water system capable of improving water use safety as recited in claim 4 wherein the RO membrane filtration unit comprises a primary RO membrane filter and a secondary RO membrane filter connected in series, wherein the primary RO membrane filter has a water inlet connected to the booster pump, and the secondary RO membrane filter has a water outlet connected to the pure water inlet of the EDI module and the polar water inlet of the EDI module.
6. The ultrapure water system capable of improving water use safety as recited in claim 1 wherein the water outlet of the secondary filtration device is provided with a drain valve, and a second influent water quality monitoring device is provided between the water outlet of the secondary filtration device and the drain valve, wherein the second influent water quality monitoring device comprises a first water quality monitor.
7. The ultrapure water system according to claim 5, wherein a flow meter is connected between the polar water inlet of the EDI module and the third proportional valve.
8. The ultrapure water system capable of improving water use safety as recited in claim 1 wherein the pure water quality monitoring device comprises a second water quality monitor, a circulation pump and a fine purification column; a second check valve is arranged between the water inlet of the second water quality monitor and the water outlet of the EDI module; the water inlet of the circulating pump is respectively connected with the water inlet of the first-stage pure water tank and the water production outlet of the EDI module, a first check valve is arranged between the water inlet of the circulating pump and the water production outlet of the EDI module, the water outlet of the second water quality monitor is connected with the water inlet of a third check valve, and the water outlet of the third check valve is connected between the water inlet of the circulating pump and the first check valve; the fine purification column is connected between the water outlet of the circulating pump and the water inlet of the second water quality monitor; a fourth check valve is arranged between the fine purification column and the water inlet of the second water quality monitor.
9. The ultrapure water system capable of improving water use safety as recited in claim 1 further comprising a water intake pipeline, wherein the water intake end of the water intake pipeline is connected between the water outlet of the second pure water quality monitor and the third check valve, and the water intake pipeline is provided with a water intake solenoid valve.
10. The ultrapure water system capable of improving water use safety as recited in claim 1 wherein a level meter is provided in said primary pure water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036853.8U CN212864415U (en) | 2020-06-08 | 2020-06-08 | Ultrapure water system capable of improving water safety |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036853.8U CN212864415U (en) | 2020-06-08 | 2020-06-08 | Ultrapure water system capable of improving water safety |
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| CN212864415U true CN212864415U (en) | 2021-04-02 |
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| CN202021036853.8U Active CN212864415U (en) | 2020-06-08 | 2020-06-08 | Ultrapure water system capable of improving water safety |
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