CN108314145B - Screen, free radical electrode device and water purifier - Google Patents
Screen, free radical electrode device and water purifier Download PDFInfo
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- CN108314145B CN108314145B CN201711484401.9A CN201711484401A CN108314145B CN 108314145 B CN108314145 B CN 108314145B CN 201711484401 A CN201711484401 A CN 201711484401A CN 108314145 B CN108314145 B CN 108314145B
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- water
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- electrode
- supply chamber
- separation net
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 150000003254 radicals Chemical class 0.000 title claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 31
- -1 polypropylene Polymers 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims 2
- 238000005192 partition Methods 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910001424 calcium ion Inorganic materials 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910001425 magnesium ion Inorganic materials 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- HJPBEXZMTWFZHY-UHFFFAOYSA-N [Ti].[Ru].[Ir] Chemical compound [Ti].[Ru].[Ir] HJPBEXZMTWFZHY-UHFFFAOYSA-N 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
The invention relates to the technical field of water dispensers, and discloses a separation net, a free radical electrode device and a water purifier. The middle partition net comprises at least one grid unit which is connected in a crisscross manner to form a net structure, the grid unit comprises a plurality of first ribs and a plurality of second ribs which are connected with the first ribs in a crisscross manner, the first ribs and the second ribs are connected in a crisscross manner to form a plurality of nodes, and the thickness of each node is larger than that of the first ribs and the second ribs. Therefore, the grid units are arranged to be thicker than the first ribs and the second ribs, so that the grid units form a structure with thicker nodes and thinner middle, a flow channel for pure water to pass through is built, when pure water flows to the separation net, the pure water can flow to the anode and the cathode along the side surfaces of the flow channel, the uniformity of the distance between the flowing anode and the cathode is ensured, and the current efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of water dispensers, and particularly relates to a separation net, a free radical electrode device and a water purifier.
Background
The standard oxidation-reduction potential of the hydroxyl radical at normal temperature is 2.8V, which is a strong oxidant, can degrade various impurities in water and kill various pathogenic bacteria, mold and viruses, and can not produce secondary pollution in water after being treated by the oxidant.
At present, the existing electrode devices mostly adopt a mode of setting two electrodes for electrolysis to prepare hydroxyl free radicals, in order to improve current efficiency, the two electrodes are required to be arranged close, and in order to prevent short circuit, a separation net is arranged between the two electrodes; because the area of each electrode is larger, the distance between the separation net and the two electrodes is difficult to control, and the distance between the two electrodes is difficult to control, so that the water flow between the two electrodes is uneven, and the current efficiency is reduced.
Disclosure of Invention
The invention aims to provide a separation net, a free radical electrode device and a water purifier, and aims to solve the technical problem that in the prior art, the electrode device has low current efficiency in the process of electrolyzing water.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the partition net comprises a net structure formed by crisscross connection of a plurality of first ribs and second ribs, wherein the net structure is provided with a plurality of grid units, each grid unit is provided with nodes formed by cross connection of the first ribs and the second ribs, and the thickness of each node is larger than that of the first ribs and the second ribs.
Further, the first rib is in fusion connection with the second rib.
Further, the grid cells are triangular, diamond-shaped, square, or rectangular.
Further, the separation net is made of polypropylene materials.
The free radical electrode device comprises a water supply chamber for containing water and a separation net arranged in the water supply chamber, wherein the water supply chamber is divided into an anode chamber for placing an anode electrode and a cathode chamber for placing a cathode electrode through the separation net, the anode electrode and the cathode electrode are respectively attached to nodes of the separation net, the anode electrode and the cathode electrode are respectively electrically connected with a power supply positioned outside the water supply chamber, a water inlet and a water outlet for flowing to the separation net are also formed in the water supply chamber, and the separation net is the separation net.
Further, the water inlet is formed in the bottom end of the water supply chamber, and the water outlet is formed in the top end of the water supply chamber.
Further, the anode electrode and the cathode electrode are both titanium ruthenium-plated iridium electrodes.
Further, the power supply adopts a square wave current device.
Further, the water supply chamber is also provided with a containing groove for containing the edge of the separation net.
The invention also provides a water purifier which comprises the free radical electrode device.
The screen provided by the invention has the beneficial effects that: compared with the prior art, the grid unit is arranged in such a way that the thicknesses of the nodes are larger than those of the first ribs and the second ribs, so that the grid unit forms a structure with thicker nodes and thinner middle, a flow channel through which pure water can pass is built, when the pure water flows to the grid, the pure water can flow to the anode and the cathode along the side surfaces of the flow channel, the uniformity of the distance between the flowing anode and the cathode is ensured, and the current efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the practical drawings required in the embodiments or the prior art description, and it is obvious that the drawings in the following description are only some embodiments of the present embodiments, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a spacer according to an embodiment of the present invention;
FIG. 2 is a side view of a spacer according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of a grid cell according to an embodiment of the present invention;
Fig. 4 is a schematic diagram of a radical electrode device according to an embodiment of the invention.
Wherein, each reference sign in the figure:
1-a water supply chamber; 2-a separation net; 3-an anode chamber; 4-cathode chamber; 5-power supply; 11-water inlet; 12-water outlet; 21-grid cells; 31-an anode electrode; 32-a cathode electrode; 211-node; 212-first ribs; 213-second ribs; 214-flow channel.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, the terms of left, right, upper, lower, etc. in the embodiments of the present invention are merely relative concepts or references to the normal use state of the product, and should not be construed as limiting. The implementation of the present invention will be described in detail below with reference to specific embodiments.
As shown in fig. 1 to 3, the present invention proposes a mesh 2, the mesh 2 is a mesh structure formed by crisscross connection of a plurality of grid cells 21, the grid cells 21 include first ribs 212 and second ribs 213, each first rib 212 and each second rib 213 are connected in a staggered manner to form the mesh cell 21, in addition, the mesh cell 21 further includes a plurality of nodes 211, the nodes 211 are formed by cross connection of the first ribs 212 and the second ribs 213, and the thickness of the nodes 211 is greater than the thickness of the first ribs 212 and the second ribs 213. In this way, by setting the thickness of the grid unit 21 at the node 211 to be greater than the thicknesses of the first rib 212 and the second rib 213, the grid unit 21 forms a structure with thicker nodes and thinner middle, thereby establishing a flow channel 214 through which pure water can pass, when pure water flows to the separation net 2, the pure water can flow to the anode electrode 31 and the cathode electrode 32 along the side surface of the flow channel 214, and the uniformity of the distance between the anode electrode 31 and the cathode electrode 32 is ensured, so that the current efficiency is improved.
Further, referring to fig. 2, as a specific embodiment of the spacer provided by the present invention, the node 211 is formed by melt-connecting the first rib 212 and the second rib 213, so that the grid unit 21 is ensured to have a certain strength on the premise of ensuring the formation of the flow channel 214, and can bear the impact force from the water flow, thereby improving the service life of the spacer 2. Of course, in the present embodiment, the above-mentioned node 211 may also be made by other manners, such as welding, bonding, etc., which are not limited only herein.
Further, referring to fig. 2, as an embodiment of the spacer provided by the present invention, the grid cells 21 may have a triangular shape, a diamond shape, a square shape or a rectangular shape. Preferably, in the present embodiment, the grid cells 21 are diamond-shaped, so that on one hand, uniformity of flow rates of the water electrolyte flowing to the flow channels 214 of the grid cells 21 is ensured, and on the other hand, by making the grid cells 21 exhibit a certain inclination angle, flow rates of water flow are improved, and thus current efficiency is improved. Of course, the grid cells 21 may also be square or rectangular, and are not limited only herein.
Further, as a specific embodiment of the spacer provided by the present invention, the spacer 2 is preferably made of polypropylene, and of course, the spacer 2 may be made of other organic materials, such as polyethylene, polypropylene, etc., which are not limited only herein.
The free radical electrode device comprises a water supply chamber 1 for containing water, wherein the water supply chamber 1 is provided with the separation net 2, the separation net 2 divides the water supply chamber 1 into an anode chamber 3 for placing an anode electrode 31 and a cathode chamber 4 for placing a cathode electrode 32, the anode electrode 31 and the cathode electrode 32 are respectively and closely attached to two side surfaces of the separation net 2, the anode electrode 31 and the cathode electrode 32 are respectively and electrically connected with a power supply 5 positioned outside the water supply chamber 1, and in addition, the water supply chamber 1 is also provided with a water inlet 11 and a water outlet 12 for flowing into the separation net 2, so that when pure water flows into the water supply chamber 1 from the water inlet 11, the pure water flows into the anode electrode 31 and the cathode electrode 32 respectively through a runner 214 in the separation net 2, the uniformity of the distance between the anode electrode 31 and the cathode electrode 32 is ensured, and the current efficiency is improved.
Further, referring to fig. 3, as a specific embodiment of the radical electrode device provided by the present invention, the water inlet 11 and the water outlet 12 are respectively opened at the bottom end and the top end of the water supply chamber 1, so that the flow channel 214 formed on the separation net 2 is ensured to be in the same direction with the water inlet 11 and the water outlet 12, and the water inlet 11 is opened at the bottom end of the water supply chamber 1, so that the speed of water flow can be effectively controlled, the uniformity of water flow is maintained, and the efficiency of current is improved.
Further, as a specific embodiment of the radical electrode device provided by the present invention, the anode electrode 31 and the cathode electrode 32 are preferably titanium ruthenium-iridium plated electrodes, so that when pure water flows from the water inlet 11 to the anode electrode 31 and the cathode electrode 32 through the separation net 2 with the flow channel 214, after the pure water is electrified, the pure water will undergo oxidation reaction on the surface of the titanium ruthenium-iridium plated anode electrode to generate oxygen and hydrogen ions, and the oxygen and hydrogen ions will undergo reduction reaction when reaching the surface of the titanium ruthenium-iridium plated cathode electrode to generate superoxide radicals and hydrogen peroxide, further generate hydroxyl radicals, and then the radical-rich water is discharged through the water outlet 12, so that various impurities in the water can be degraded and pathogenic bacteria, mold and the like can be killed.
Further, referring to fig. 3, as an embodiment of the radical electrode device provided by the present invention, the power supply 5 preferably adopts a square wave current device. Under normal conditions, the power supply of the alternating current power supply mostly adopts an alternating current power supply, however, the phenomenon that hydroxyl radicals cannot be generated possibly occurs in the step-down stage due to the instability of voltage and current, the current efficiency is reduced, and the current and the voltage are ensured to be at a constant value by converting alternating current into square wave current, so that the occurrence of the phenomenon can be avoided, and the current efficiency is improved.
In addition, in the present invention, the generation of scale can be avoided by using a square wave current. The method comprises the following steps: the electrode device generates hydroxyl free radicals, cations in water move to the cathode, anions in water move to the anode, calcium and magnesium ions move to the surface of the cathode and react with carbon dioxide dissolved in water to generate calcium carbonate and magnesium carbonate, scaling can be generated on the surface of the cathode under long-time use, so that the electrolytic efficiency is influenced, the electrode polarity can be periodically reversed by using the square wave current device as the power supply 5, and the anode electrode 31 and the cathode electrode 32 are made of the same materials, so that the scaling on the surface of the cathode can be removed while the hydroxyl free radicals are generated, the calcium and magnesium ions are prevented from being deposited on one side of the cathode for a long time, and the electrolytic efficiency and the service life of the electrode are improved.
Further, as a specific embodiment of the radical electrode device provided by the present invention, a receiving groove (not shown in the drawings) is further formed in the water supply chamber 1, and the receiving groove may be used to receive the edge of the separation net 2. Of course, in the present embodiment, the screen 2 may be disposed in the water supply chamber 1 by other means, which is not limited only.
The invention also provides a water purifier which comprises the free radical electrode device. Specifically, the ultrafiltrate water outlet of the water purifier is connected with the water inlet 11 of the free radical electrode device, ultrafiltrate water flows into and passes through the electrode assembly from the water inlet 11, then flows to the anode electrode 31 and the cathode electrode 32 through the separation net 2 with the flow channel 214, uniformity of distance between the anode electrode 31 and the cathode electrode 32 is maintained, after the ultrafiltrate water is electrified, oxygen and hydrogen ions are generated by oxidation of water in an anode reaction area, reduction reaction occurs when the oxygen and the hydrogen ions reach the cathode surface to generate superoxide radicals and hydrogen peroxide, hydroxyl radicals are further generated, at the same time, cations in the water move to the cathode, and cations move to the anode, wherein calcium and magnesium ions move to the cathode surface to react with carbon dioxide dissolved in the water to generate calcium carbonate and magnesium carbonate, so that scaling of the cathode electrode 32 can occur on the cathode surface after long-time use, thereby influencing the electrolytic efficiency of the electrode, and the periodic polarity switching of the electrode can be realized by using the square wave current device, so that scaling of the cathode surface can be removed, the calcium and magnesium ions are prevented from being deposited on one side of the cathode for a long time, and the electrolytic efficiency and the service life of the electrode are improved. The ultrafiltration water treated by the electrode device can degrade various impurities in the ultrafiltration water and kill pathogenic bacteria and viruses in the water, thereby improving the safety of drinking water.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The free radical electrode device is characterized by comprising a water supply chamber for containing water and a separation net arranged in the water supply chamber, wherein the separation net comprises a net structure formed by a plurality of first ribs and second ribs which are connected in a crisscross manner, the net structure is provided with a plurality of grid units, each grid unit is provided with a node formed by the cross connection of the first ribs and the second ribs, the thickness of each node is larger than that of the first ribs and the second ribs, the water supply chamber is divided into an anode chamber for placing an anode electrode and a cathode chamber for placing a cathode electrode through the separation net, the anode electrode and the cathode electrode are respectively attached to the nodes of the separation net, the anode electrode and the cathode electrode are respectively electrically connected with a power supply positioned outside the water supply chamber, the water supply chamber is also provided with a water inlet and a water outlet which are used for flowing to the separation net, the water inlet is formed at the bottom end of the water supply chamber, the water outlet is formed at the top end of the water supply chamber, the water outlet is respectively provided with a water inlet and a water outlet, the anode electrode and the cathode electrode are respectively attached to the nodes in the same direction, and the water flow channel is formed by the anode electrode and the cathode electrode, and the water channel are uniformly flowing to the water channel through the first ribs and the side surface and the cathode electrode; the grid units are diamond-shaped; the separation net is made of polypropylene materials.
2. The free radical electrode device of claim 1, wherein the first bead is melt-coupled to the second bead.
3. The free radical electrode device of claim 1, wherein the anode electrode and the cathode electrode are both titanium ruthenium-plated iridium electrodes.
4. The free radical electrode device of claim 1, wherein the power source employs a square wave current device.
5. The free radical electrode device of claim 1, wherein the water supply chamber is further provided with a receiving groove for receiving the edge of the screen.
6. A water purifier comprising the radical electrode device of any one of claims 2 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484401.9A CN108314145B (en) | 2017-12-29 | 2017-12-29 | Screen, free radical electrode device and water purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711484401.9A CN108314145B (en) | 2017-12-29 | 2017-12-29 | Screen, free radical electrode device and water purifier |
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| Publication Number | Publication Date |
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| CN108314145A CN108314145A (en) | 2018-07-24 |
| CN108314145B true CN108314145B (en) | 2024-05-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110436580A (en) * | 2019-08-23 | 2019-11-12 | 中国恩菲工程技术有限公司 | Water process electrochemical treatments integrated apparatus |
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