CN114230057A - Water purification method and system with mineral substance adding function - Google Patents
Water purification method and system with mineral substance adding function Download PDFInfo
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- CN114230057A CN114230057A CN202210021151.XA CN202210021151A CN114230057A CN 114230057 A CN114230057 A CN 114230057A CN 202210021151 A CN202210021151 A CN 202210021151A CN 114230057 A CN114230057 A CN 114230057A
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- water
- valve
- purification
- electrodialysis module
- waste
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
Abstract
The invention discloses a water purification method and a system with a mineral substance adding function, wherein water in a water tank is conveyed to an electrodialysis module through a water pump; the electrodialysis module is normally started, the first water purifying valve and the first waste water valve are opened, the second water purifying valve and the second waste water valve are closed, purified water purified by the electrodialysis module is conveyed to the pure water heating tank through the first water purifying branch, and waste water generated by the electrodialysis module is conveyed back to the water tank through the first waste water branch and enters the electrodialysis module again for purification. The invention can flexibly adjust the opening and closing of the pipeline to match the electrode polarity conversion of the electrodialysis device, has the characteristic of good purification efficiency, and can add mineral substances into purified water to realize multiple purposes of the purified water.
Description
Technical Field
The invention relates to the technical field of water purification, in particular to a water purification method and a water purification system with a mineral substance adding function.
Background
Electrodialysis is a purification technology implemented by utilizing the selective permeability of an ion exchange membrane under the drive of an external direct current electric field, anions and cations move to an anode and a cathode respectively, and ions can pass through if the fixed charges of the membrane are opposite to the charges of the ions in the ion migration process; if the charges of the two water outlets are the same, the ions are repelled, and the fresh water and the concentrated water are discharged from the two water outlets after the purification is finished; after the electrodialysis device works for a long time, excessive impurity ions can be adsorbed on the ion exchange membrane, so that the subsequent purification efficiency can be gradually influenced, and the problem can be solved by exchanging the polarities of the two electrodes; meanwhile, because the beneficial mineral ions contained in the purified water are removed together, the purified water has very limited application and poor applicability.
Disclosure of Invention
The invention aims to provide a water purification method and a water purification system with a mineral substance adding function. The invention can flexibly adjust the opening and closing of the pipeline to match the electrode polarity conversion of the electrodialysis device, has the characteristic of good purification efficiency, and can add mineral substances into purified water to realize multiple purposes of the purified water.
The technical scheme of the invention is as follows: a water purification method with mineral substance adding function, water in a water tank is conveyed to an electrodialysis module through a water pump; the electrodialysis module is normally started, the first water purification valve and the first waste water valve are opened, the second water purification valve and the second waste water valve are closed, purified water purified by the electrodialysis module is conveyed to the pure water heating tank through the first water purification branch, and waste water generated by the electrodialysis module is conveyed back to the water tank through the first waste water branch and enters the electrodialysis module again for purification; the polarity of two electrodes of the electrodialysis module is changed, a second water purifying valve and a second waste water valve are opened, the first water purifying valve and the first waste water valve are closed, purified water purified by the electrodialysis module is conveyed to a pure water heating tank through a second water purifying branch, and waste water generated by the electrodialysis module is conveyed back to a water tank through the second waste water branch and enters the electrodialysis module again for purification; the pure water in the pure water heating tank is directly discharged for use through the first water outlet pipeline or is discharged for use after being mixed into mineral water through the second water outlet pipeline and the mineral filter element, and multiple utilization modes of the pure water are realized.
The water purification system with the mineral adding function for realizing the method comprises a water tank, an electrodialysis module and a pure water heating tank, wherein a water conveying pipeline which is connected with the electrodialysis module and is provided with a water pump is arranged at the water outlet end of the water tank, a first water discharge pipeline and a second water discharge pipeline are respectively arranged at the two water outlet ends of the electrodialysis module, a first water purification branch with a first water purification valve and a first wastewater branch with a first wastewater valve are arranged at the tail end of the first water discharge pipeline, a second water purification branch with a second water purification valve and a second wastewater branch with a second wastewater valve are arranged at the tail end of the second water discharge pipeline, a pure water main path connected with the pure water heating tank is jointly arranged at the tail ends of the first water purification branch and the second water purification branch, and a wastewater main path connected with the water tank is jointly arranged at the tail ends of the first wastewater branch and the second wastewater branch; and a first water outlet pipeline and a second water outlet pipeline are arranged on the pure water heating tank, and a mineral filter element is arranged on the second water outlet pipeline.
In the water purification system with a mineral adding function, the electrodialysis module includes a purification box connected to the water pipe, the first water discharge pipe and the second water discharge pipe, a first purification electrode and a second purification electrode are arranged in the purification box, and a corresponding ion exchange membrane module is arranged between the first purification electrode and the second purification electrode.
In the foregoing water purification system with a mineral substance adding function, the ion exchange membrane module is a plurality of cation exchange membranes and anion exchange membranes which are alternately arranged.
According to the water purification system with the mineral adding function, the pure water heating tank is provided with the hot water pump.
In the water purification system with a mineral adding function, the water delivery pipeline or the water purification main is provided with the filter element.
In the water purification system with a mineral substance adding function, the filter element is made of an activated carbon material.
In the foregoing water purification system with a mineral substance adding function, the first purified water valve, the second purified water valve, the first wastewater valve and the second wastewater valve are all solenoid valves.
In the water purification system with the mineral adding function, the heating range of the pure water heating tank is 80-100 ℃.
In the water purification system with a mineral adding function, the first water outlet pipeline and the second water outlet pipeline are both provided with drain valves.
Compared with the prior art, the water in the water tank is conveyed to the electrodialysis module through the water pump; the electrodialysis module is normally started, the first water purification valve and the first waste water valve are opened, the second water purification valve and the second waste water valve are closed, purified water purified by the electrodialysis module is conveyed to the pure water heating tank through the first water purification branch, and waste water generated by the electrodialysis module is conveyed back to the water tank through the first waste water branch and enters the electrodialysis module again for purification; the polarity of two electrodes of the electrodialysis module is changed, the second water purifying valve and the second waste water valve are opened, the first water purifying valve and the first waste water valve are closed, purified water purified by the electrodialysis module is conveyed to the pure water heating tank through the second water purifying branch, waste water generated by the electrodialysis module is conveyed to the water return tank through the second waste water branch and enters the electrodialysis module again for purification, and therefore purification of double-purification water paths is achieved; the wastewater purified by the electrodialysis module can be returned to the water tank again for continuous purification, so that the utilization rate of water resources is improved, and the use cost is reduced; the pure water in the pure water heating tank is directly discharged for use through the first water outlet pipeline or is discharged for use after being mixed into mineral water through the mineral filter element through the second water outlet pipeline, so that multiple utilization modes of the pure water are realized, and the applicability of products is effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the position of the filter cartridge of the present invention.
Reference numerals
1. A water tank; 2. an electrodialysis module; 3. a pure water heating tank; 4. a water delivery pipeline; 5. a first drain line; 6. a second drain line; 7. a first purified water valve; 8. a first water purification branch; 9. a first waste valve; 10. a first wastewater branch; 11. a second purified water valve; 12. a second purified water branch; 13. a second waste water valve; 14. a second wastewater branch; 15. a water purification main line; 16. a wastewater main line; 17. a purification box; 18. a first purge electrode; 19. a second purge electrode; 20. an ion exchange membrane module; 21. a hot water pump; 22. a filter element; 23-a first water outlet line; 24-a second water outlet line; 25-a mineral filter element; 26-drain valve.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): a water purification system with mineral adding function is shown in figure 1, and comprises a water tank 1, an electrodialysis module 2 and a pure water heating tank 3, a water conveying pipeline 4 which is connected with the electrodialysis module 2 and is provided with a water pump is arranged at the water outlet end of the water tank 1, a first water discharge pipeline 5 and a second water discharge pipeline 6 are respectively arranged at the two water outlet ends of the electrodialysis module 2, a first water purification branch 8 with a first water purification valve 7 and a first wastewater branch 10 with a first wastewater valve 9 are arranged at the tail end of the first water discharge pipeline 5, a second water purification branch 12 with a second water purification valve 11 and a second wastewater branch 14 with a second wastewater valve 13 are arranged at the tail end of the second water discharge pipeline 6, a water purification main line 15 connected with the pure water heating tank 3 is jointly arranged at the tail ends of the first water purification branch 8 and the second water purification branch 12, and a wastewater main line 16 connected with the water tank 1 is jointly arranged at the tail ends of the first wastewater branch 10 and the second wastewater branch 14; the pure water heating tank 3 is provided with a first water outlet pipeline 23 and a second water outlet pipeline 24, and the second water outlet pipeline 24 is provided with a mineral filter element 25; the electrodialysis module 2 comprises a purification box 17 connected with a water delivery pipeline 4, a first water discharge pipeline 5 and a second water discharge pipeline 6, a first purification electrode 18 and a second purification electrode 19 are arranged in the purification box 17, a corresponding ion exchange membrane component 20 is arranged between the first purification electrode 18 and the second purification electrode 19, the ion exchange membrane component 20 is a plurality of cation exchange membranes and anion exchange membranes which are alternately arranged, a fresh water cavity and a concentrated water cavity are alternately arranged between the cation exchange membranes and the anion exchange membranes and are converged at a corresponding water outlet end, and all the components can be obtained by market and are not repeated; the pure water heating tank 3 is provided with a hot water pump 21; as shown in fig. 2, the water conveying pipeline 4 or the water purification main 15 is provided with a filtering core 22, and the filtering core 22 is made of an activated carbon material, so that impurities can be adsorbed to raw water or primarily purified water, and the purification effect is further improved; the first purified water valve 7, the second purified water valve 11, the first wastewater valve 9 and the second wastewater valve 13 are all electromagnetic valves, so that flexible and rapid control is facilitated; the heating range of the pure water heating tank 3 is 80-100 ℃; the first water outlet pipeline 23 and the second water outlet pipeline 24 are both provided with drain valves 26 for individual control.
By utilizing the water purification method with the mineral adding function, water in the water tank is conveyed to the electrodialysis module through the water pump; the electrodialysis module is normally started, the first water purification valve and the first waste water valve are opened, the second water purification valve and the second waste water valve are closed, purified water purified by the electrodialysis module is conveyed to the pure water heating tank through the first water purification branch, and waste water generated by the electrodialysis module is conveyed back to the water tank through the first waste water branch and enters the electrodialysis module again for purification; the polarity of two electrodes of the electrodialysis module is changed, a second water purifying valve and a second waste water valve are opened, the first water purifying valve and the first waste water valve are closed, purified water purified by the electrodialysis module is conveyed to a pure water heating tank through a second water purifying branch, and waste water generated by the electrodialysis module is conveyed back to a water tank through the second waste water branch and enters the electrodialysis module again for purification; the pure water in the pure water heating tank is directly discharged for use through the first water outlet pipeline or is discharged for use after being mixed into mineral water through the second water outlet pipeline and the mineral filter element, and multiple utilization modes of the pure water are realized.
According to the invention, the opening and closing of the first water purification branch, the second water purification branch, the first wastewater branch and the second wastewater branch are controlled to match with the electrode polarity conversion of the electrodialysis module, so that the accumulation of impurity ions on a cation exchange membrane and an anion exchange membrane in the electrodialysis module is effectively prevented, and the water purification efficiency is further improved; the wastewater purified by the electrodialysis module can be returned to the water tank again for continuous purification, so that the utilization rate of water resources is improved, and the use cost is reduced; and the applicability is effectively enhanced by the multiple products.
Claims (10)
1. A water purification method with a mineral substance adding function is characterized in that: water in the water tank is conveyed to the electrodialysis module through a water pump; the electrodialysis module is normally started, the first water purification valve and the first waste water valve are opened, the second water purification valve and the second waste water valve are closed, purified water purified by the electrodialysis module is conveyed to the pure water heating tank through the first water purification branch, and waste water generated by the electrodialysis module is conveyed back to the water tank through the first waste water branch and enters the electrodialysis module again for purification; the polarity of two electrodes of the electrodialysis module is changed, a second water purifying valve and a second waste water valve are opened, the first water purifying valve and the first waste water valve are closed, purified water purified by the electrodialysis module is conveyed to a pure water heating tank through a second water purifying branch, and waste water generated by the electrodialysis module is conveyed back to a water tank through the second waste water branch and enters the electrodialysis module again for purification; the pure water in the pure water heating tank is directly discharged for use through the first water outlet pipeline or is discharged for use after being mixed into mineral water through the second water outlet pipeline and the mineral filter element, and multiple utilization modes of the pure water are realized.
2. The water purification system with mineral addition function according to claim 1, wherein: including water tank (1), electrodialysis module (2) and pure water hot pot (3), be equipped with conduit (4) that link to each other and have the water pump with electrodialysis module (2) on the play water end of water tank (1), the two play water ends of electrodialysis module (2) are equipped with first drainage pipeline (5) and second drainage pipeline (6) respectively, the end of first drainage pipeline (5) is equipped with first water purification branch road (8) of taking first water purification valve (7) and takes first waste water branch road (10) of first waste water valve (9), the end of second drainage pipeline (6) is equipped with second water purification branch road (12) of taking second water purification valve (11) and takes second waste water branch road (14) of second waste water valve (13), the end of first water purification branch road (8) and second water purification branch road (12) is equipped with total water branch road (15) that link to each other with pure water hot pot (3) jointly, the end of first waste water branch road (10) and second waste water branch road (14) is equipped with the water purification branch road (15) that links to each other with water tank (1) jointly A wastewater main line (16); the pure water heating tank (3) is provided with a first water outlet pipeline (23) and a second water outlet pipeline (24), and the second water outlet pipeline (24) is provided with a mineral filter element (25).
3. The water purification system with mineral addition function according to claim 2, wherein: the electrodialysis module (2) comprises a purifying box (17) connected with a water conveying pipeline (4), a first water discharging pipeline (5) and a second water discharging pipeline (6), a first purifying electrode (18) and a second purifying electrode (19) are arranged in the purifying box (17), and a corresponding ion exchange membrane assembly (20) is arranged between the first purifying electrode (18) and the second purifying electrode (19).
4. The water purification system with mineral addition function as claimed in claim 3, wherein: the ion exchange membrane component (20) is a plurality of cation exchange membranes and anion exchange membranes which are alternately arranged.
5. The water purification system with mineral addition function according to claim 2, wherein: and a hot water pump (21) is arranged on the pure water heating tank (3).
6. The water purification system with mineral addition function according to claim 2, wherein: and a filtering filter element (22) is arranged on the water conveying pipeline (4) or the water purifying main pipeline (15).
7. The water purification system with mineral addition function as claimed in claim 6, wherein: the filter element (22) is made of activated carbon material.
8. The water purification system with mineral addition function according to claim 2, wherein: the first water purification valve (7), the second water purification valve (11), the first waste water valve (9) and the second waste water valve (13) are all electromagnetic valves.
9. The water purification system with mineral addition function according to claim 2, wherein: the heating range of the pure water heating tank (3) is 80-100 ℃.
10. The water purification system with mineral addition function according to claim 2, wherein: and the first water outlet pipeline (23) and the second water outlet pipeline (24) are respectively provided with a drain valve (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021151.XA CN114230057A (en) | 2022-01-10 | 2022-01-10 | Water purification method and system with mineral substance adding function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210021151.XA CN114230057A (en) | 2022-01-10 | 2022-01-10 | Water purification method and system with mineral substance adding function |
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| CN114230057A true CN114230057A (en) | 2022-03-25 |
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| CN202210021151.XA Pending CN114230057A (en) | 2022-01-10 | 2022-01-10 | Water purification method and system with mineral substance adding function |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003290775A (en) * | 2002-04-01 | 2003-10-14 | Japan Organo Co Ltd | Method and apparatus for treating desalted waste water |
| KR20150127454A (en) * | 2014-05-07 | 2015-11-17 | 주식회사 동산제닉스 | automatic water purifying system and controlling method for the same |
| CN109205744A (en) * | 2018-11-19 | 2019-01-15 | 北京碧水源膜科技有限公司 | A kind of the flowing electrode Electro Sorb process for purifying water and water purifier of low wastewater rate |
| CN211620127U (en) * | 2019-12-23 | 2020-10-02 | 上海纯米电子科技有限公司 | Water purifying device |
| CN212609720U (en) * | 2020-08-12 | 2021-02-26 | 云米互联科技(广东)有限公司 | Household water purifying device and table-board water purifying machine |
| CN213327108U (en) * | 2020-06-15 | 2021-06-01 | 佛山市顺德区美的饮水机制造有限公司 | Split type purifier and integrated platform with same |
| CN216639162U (en) * | 2022-01-10 | 2022-05-31 | 南京壹净电器科技有限公司 | Water purification system with mineral substance adding function |
-
2022
- 2022-01-10 CN CN202210021151.XA patent/CN114230057A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003290775A (en) * | 2002-04-01 | 2003-10-14 | Japan Organo Co Ltd | Method and apparatus for treating desalted waste water |
| KR20150127454A (en) * | 2014-05-07 | 2015-11-17 | 주식회사 동산제닉스 | automatic water purifying system and controlling method for the same |
| CN109205744A (en) * | 2018-11-19 | 2019-01-15 | 北京碧水源膜科技有限公司 | A kind of the flowing electrode Electro Sorb process for purifying water and water purifier of low wastewater rate |
| CN211620127U (en) * | 2019-12-23 | 2020-10-02 | 上海纯米电子科技有限公司 | Water purifying device |
| CN213327108U (en) * | 2020-06-15 | 2021-06-01 | 佛山市顺德区美的饮水机制造有限公司 | Split type purifier and integrated platform with same |
| CN212609720U (en) * | 2020-08-12 | 2021-02-26 | 云米互联科技(广东)有限公司 | Household water purifying device and table-board water purifying machine |
| CN216639162U (en) * | 2022-01-10 | 2022-05-31 | 南京壹净电器科技有限公司 | Water purification system with mineral substance adding function |
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