CN212581693U - EDI water treatment system capable of measuring water quality - Google Patents
EDI water treatment system capable of measuring water quality Download PDFInfo
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- CN212581693U CN212581693U CN202021038017.3U CN202021038017U CN212581693U CN 212581693 U CN212581693 U CN 212581693U CN 202021038017 U CN202021038017 U CN 202021038017U CN 212581693 U CN212581693 U CN 212581693U
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Abstract
The utility model discloses an EDI water treatment system capable of measuring water quality, which comprises a primary filtering device, a secondary filtering device, an EDI module and a primary pure water tank which are connected in sequence; a second water quality monitoring device is arranged between the EDI module and the first-stage pure water tank; the second 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 produced water outlet of the EDI module; a water inlet of the circulating pump is respectively connected with a water inlet of the first-stage pure water tank and a 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, a water outlet of the second water quality monitor is connected with a water inlet of a third check valve, and a 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.
Description
Technical Field
The utility model relates to an EDI water treatment system of measurable quality of water.
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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but EDI water treatment system of measuring quality of water 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 an EDI water treatment system capable of measuring water quality, which comprises a primary filtering device, a secondary filtering device, an EDI module and a primary pure water tank which are connected in sequence; a second water quality monitoring device is arranged between the EDI module and the first-stage pure water tank; the second 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 water quality monitor and the third check valve, and a water intake electromagnetic valve is arranged on the water intake pipeline.
Further, an ultraviolet water processor is arranged between the circulating pump and the fine purification column.
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 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, a flow meter is connected between the polar water inlet of the EDI module and the third proportional valve.
Further, the delivery port of the secondary filtering device is provided with a discharge valve, a first water quality monitoring device is arranged between the delivery port of the secondary filtering device and the discharge valve, and the first water quality monitoring device comprises a first water quality monitor.
Further, a low-pressure switch and a water inlet valve are connected between the secondary filtering device and the primary filtering device.
Furthermore, a liquid level meter is arranged in the first-stage pure water tank.
The utility model has the advantages that: through be equipped with second water quality monitoring device between EDI module and one-level pure water case, can carry out real-time supervision to the quality of water of pure water to second water quality monitoring appearance 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 that can EDI module simultaneously monitors.
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.
Wherein: 1. a PP filter; 2. an AC/SPWE composite preprocessor; 3. a low voltage switch; 4. a water inlet valve; 5. a booster pump; 6. a first-stage RO membrane filter; 7. a sewage control valve; 8. a first proportional valve; 9. a secondary RO membrane filter; 10. a first water quality monitor; 11. a second proportional valve; 12. a discharge valve; 13. a flow meter; 14. a third proportional valve; 15. an EDI module; 16. a back pressure valve; 17. a first check valve; 18. a second check valve; 19. a second water quality monitor; 20. a water getting electromagnetic valve; 22. a third check valve; 23. a circulation pump; 24. an ultraviolet water processor; 25. a fine purification column; 26. a fourth check valve; 27. a first-stage pure water tank; 28. a liquid level meter.
Detailed Description
The EDI water treatment system capable of measuring water quality as shown in FIGS. 1 to 3 comprises a primary filtering device, a secondary filtering device, an EDI module 15 and a primary pure water tank 27 which are connected in sequence; a second water quality monitoring device is arranged between the EDI module 15 and the first-stage pure water tank 27; the primary filtering device is used for pretreating tap water and mainly removing particle impurities and microorganisms in the tap water, and the secondary filtering device is mainly used for dissolving impurities such as salts, colloids, microorganisms and organic matters in the tap water. The EDI module 15 is used for preparing ultrapure water, and the first-stage pure water tank 27 is used for storing the ultrapure water prepared by the EDI module 15.
The second water quality monitoring device comprises a second water quality monitor 19, a circulating pump 23 and a fine purification column 25; a second check valve 18 is arranged between the water inlet of the second water quality monitor 19 and the water outlet of the EDI module 15; the water inlet of the circulating pump 23 is respectively connected with the water inlet of the first-stage pure water tank 27 and the water production outlet of the EDI module 15, a first check valve 17 is arranged between the water inlet of the circulating pump 23 and the water production outlet of the EDI module 15, the water outlet of the second water quality monitor 19 is connected with the water inlet of a third check valve 22, and the water outlet of the third check valve 22 is connected between the water inlet of the circulating pump 23 and the first check valve 17; the fine purification post 25 is connected between the water outlet of the circulating pump 23 and the water inlet of the second water quality monitor 19, and a fourth check valve 26 is arranged between the fine purification post 25 and the water inlet of the second water quality monitor 19.
This application can carry out real-time supervision to the quality of water of pure water through be equipped with second water quality monitoring device between EDI module 15 and one-level pure water case 27 to the function of the two qualities of water of single monitor monitoring can be realized to second water quality monitor 19 in this application, and the ultrapure water quality in the product water and the one-level pure water case 27 of EDI module 15 monitors simultaneously, and concrete theory of operation is as follows:
1. as shown in fig. 1, the produced water from the EDI module 15 passes through the backpressure valve 16 and then enters the second water quality monitor 19 (the opening pressure is 0.05Mpa) through the second check valve 18 (whether the water quality from the EDI module 15 is qualified or not is detected and displayed), and then flows to the primary water tank for storage as indicated by the solid arrow in the figure.
2. As shown in FIG. 2, 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 23, then flows through the UV lamp, the fine purification column 25, the second water quality monitor 19 and then flows out of the water intake solenoid valve 20.
3. As shown in fig. 3, 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 enters a dotted arrow, passes through the ultraviolet and fine purification column 25, and then enters the water inlet of the circulating pump to circulate in the way.
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 water quality monitor 19 and the third check valve 22, and the water intake pipeline is provided with a water intake electromagnetic valve 20. In the production process, ultrapure water meeting the water quality after water quality monitoring can be obtained through the water taking pipeline.
According to one embodiment of the present application, an ultraviolet water treatment device 24 is provided between the circulation pump 23 and the purification column 25, and the ultraviolet water treatment device 24 can sterilize the ultrapure water taken out.
According to one embodiment of the application, 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.
According to one embodiment of the present application, the secondary filtering device comprises an RO membrane filtering unit, a booster pump 5 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 15 and an electrode water inlet of the EDI module 15, and a third proportional valve 14 is connected between the water outlet of the RO membrane filtering unit and the electrode water inlet of the EDI module 15; and a water production outlet of the EDI module 15 is provided with a back pressure valve 16. Through the water outlet that produces at EDI module 15 sets up back pressure valve 16 for EDI module 15's inside, pure water inlet, third proportional valve 14 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 14 of pressure is invariable in the pipeline, when total pure water total quantitative change hours, back pressure valve 16's effect can be given priority to the pure water entering utmost point water inlet always, EDI module 15 just can not appear the electrode lack of water and generate heat and burn out.
According to one embodiment of the present application, the RO membrane filtration unit includes a primary RO membrane filter 6 and a secondary RO membrane filter 9 which are connected in sequence, the water inlet of the primary RO membrane filter 6 is connected to the booster pump 5, and the water outlet of the secondary RO membrane filter 9 is connected to the pure water inlet of the EDI module 15 and the pole water inlet of the EDI module 15. A sewage port of the first-stage RO membrane filter 6 is communicated with a floor drain through a first sewage pipe, a sewage control valve 7 is arranged on the first sewage pipe, and a first proportional valve 8 is connected in parallel between a water inlet and a water outlet of the sewage control valve 7; and a second sewage port of the second-stage RO membrane filter 9 is communicated with the floor drain through a sewage pipe, and a second proportional valve 11 is arranged on the first sewage pipe.
According to one embodiment of the application, a flow meter 13 is connected between the polar water inlet of the EDI module 15 and the third proportional valve 14. In the water production process, a flow threshold value can be set, when the flow meter 13 monitors that the water flow in the polar water pipe is smaller than the threshold value, the power supply of the EDI module 15 is cut off, and the EDI module 15 is prevented from being burnt out due to heating.
According to an embodiment of the application, the delivery port of secondary filter equipment is equipped with bleeder 12, be equipped with first water quality monitoring device between secondary filter equipment's delivery port and bleeder 12, first water quality monitoring device includes first water quality monitor 10. The first water quality monitor 10 is used for monitoring the quality of pure water entering the EDI module 15 so as to ensure the water quality of the EDI module 15.
According to one embodiment of the present application, a low pressure switch 3 and a water inlet valve 4 are connected between the secondary filtering device and the primary filtering device. Whether the condition that the primary filter device is blocked can be monitored by arranging the low-voltage switch 3.
According to an embodiment of the present application, a liquid level meter 28 is provided in the first stage pure water tank 27, and the amount of pure water in the first stage pure water tank 27 can be monitored by the liquid level meter 28.
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. An EDI water treatment system capable of measuring water quality is characterized by comprising a primary filtering device, a secondary filtering device, an EDI module and a primary pure water tank which are sequentially connected; a second water quality monitoring device is arranged between the EDI module and the first-stage pure water tank;
the second 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.
2. The EDI water treatment system capable of measuring water quality as claimed 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 water quality monitor and the third check valve, and a water intake solenoid valve is arranged on the water intake pipeline.
3. The EDI water treatment system capable of measuring water quality as claimed in claim 2, wherein an ultraviolet water treatment device is arranged between the circulating pump and the fine purification column.
4. The EDI water treatment system capable of measuring water quality as claimed in claim 1, wherein the primary filtering device comprises a PP filter and an AC/SPWE composite pre-processor which are connected in sequence according to the water inlet direction of tap water.
5. The EDI water treatment system capable of measuring water quality as claimed in claim 1, wherein 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.
6. The EDI water treatment system capable of measuring water quality as claimed in claim 5, wherein the RO membrane filtration unit comprises a primary RO membrane filter and a secondary RO membrane filter which are connected in sequence, the water inlet of the primary RO membrane filter is connected with the booster pump, and the water outlet of the secondary RO membrane filter is connected with the pure water inlet of the EDI module and the polar water inlet of the EDI module.
7. The EDI water treatment system of measurable quality of water of claim 5, wherein a flow meter is connected between the utmost point water inlet of EDI module and the third proportional valve.
8. The EDI water treatment system capable of measuring water quality as recited in claim 1, wherein a discharge valve is provided at the water outlet of the secondary filtering device, a first water quality monitoring device is provided between the water outlet of the secondary filtering device and the discharge valve, and the first water quality monitoring device comprises a first water quality monitor.
9. The EDI water treatment system capable of measuring water quality as claimed in claim 2, wherein a low pressure switch and a water inlet valve are connected between the secondary filtering device and the primary filtering device.
10. The EDI water treatment system of claim 2, wherein a level meter is disposed in the first-stage pure water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021038017.3U CN212581693U (en) | 2020-06-08 | 2020-06-08 | EDI water treatment system capable of measuring water quality |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021038017.3U CN212581693U (en) | 2020-06-08 | 2020-06-08 | EDI water treatment system capable of measuring water quality |
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| CN212581693U true CN212581693U (en) | 2021-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049349A (en) * | 2021-03-16 | 2021-06-29 | 上海科泽智慧环境科技有限公司 | Anti-turbidity interference device of water quality analyzer |
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2020
- 2020-06-08 CN CN202021038017.3U patent/CN212581693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049349A (en) * | 2021-03-16 | 2021-06-29 | 上海科泽智慧环境科技有限公司 | Anti-turbidity interference device of water quality analyzer |
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