CN211111204U - Embedded water disinfection device for water tank - Google Patents
Embedded water disinfection device for water tank Download PDFInfo
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- CN211111204U CN211111204U CN201921421089.3U CN201921421089U CN211111204U CN 211111204 U CN211111204 U CN 211111204U CN 201921421089 U CN201921421089 U CN 201921421089U CN 211111204 U CN211111204 U CN 211111204U
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000001954 sterilising effect Effects 0.000 claims description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 239000010936 titanium Substances 0.000 claims description 14
- 229910052719 titanium Inorganic materials 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 13
- 229910001252 Pd alloy Inorganic materials 0.000 claims description 7
- 229910000566 Platinum-iridium alloy Inorganic materials 0.000 claims description 7
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical class [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 claims description 7
- 238000007747 plating Methods 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 238000007872 degassing Methods 0.000 abstract 1
- 230000000249 desinfective effect Effects 0.000 abstract 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- -1 hydroxyl free radical Chemical class 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 210000003470 mitochondria Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses an embedded water disinfection device for a water tank, which comprises an electrochemical disinfection unit and a circuit control unit. Wherein, the electrochemical disinfection unit is connected with the circuit control unit through a positive lead and a negative lead; the electrochemical disinfection unit consists of a base, a lower electrode plate, a gasket, an upper electrode plate, an upper cover plate, a sealing ring, a first bolt and a second bolt; the circuit control unit consists of a voltage conversion module, a timing switching module and a voltage output module. When the water disinfection device is used, the electrochemical disinfection unit is embedded into the water pipe inlet and outlet at the bottom of the water tank, and after the power supply is switched on, parameters such as the electrifying voltage, the positive-negative switching electrification and the switching frequency of the electrodes in the electrochemical disinfection unit are realized by the circuit control unit, so that the water body in the water tank is disinfected finally. This degassing unit adopts the technical means that electrode combined treatment technique and voltage polarity decide the switching frequently, compares in prior art means and can increase substantially current strength, promote the efficiency of disinfecting, can reduce the incrustation scale deposit on electrode slice surface simultaneously, increase of service life.
Description
Technical Field
The present invention relates to an embedded water disinfection device for a sink.
Background
Ozone is an unstable gas with strong oxidizing and sterilizing capabilities, the solubility of ozone in water is 10 times of that of oxygen, and an aqueous solution has a good sterilizing effect. The general bactericide has the progressive and accumulative bactericidal action; the sterilization effect of ozone is rapid, and can be instantly finished when the concentration of ozone exceeds a certain threshold value, so that the ozone is killed by contact. Ozone is a broad-spectrum, highly effective antimicrobial agent that inhibits the growth of most microorganisms, such as bacteria, fungi and their spores, viruses, and protists. Ozone has strong oxidizability, and can generate oxidation-reduction reaction in water to generate hydroxyl free radical, superoxide anion free radical, hydrogenated ozone free radical and the like with high reaction activity. The main antibacterial mechanism of ozone is that the free radicals oxidize and destroy important components of microbial cell walls, cell membranes, mitochondria, bacterial nuclei and the like, so that the microbes are cracked and killed. Because the ozone water treatment is performed by spraying and soaking, which facilitates continuous operation during processing, ozone is widely used in the food industry as a safe and effective antibacterial agent.
At present, there is an ozone sterilization technique which is performed by an electrochemical method, that is, a metal piece (generally, stainless steel) in water is electrified to generate ozone due to oxidation-reduction and sterilize. However, the existing electrochemical ozone production technology has the following technical problems: (1) when the voltage is lower, the traditional stainless steel sheet metal has lower response current, the ozone generation efficiency is low, and the water disinfection efficiency is also low; (2) when the voltage is high, a large amount of bubbles are continuously generated on the surface of the metal sheet, and the bubbles can isolate the surface of the metal sheet from contacting with water before being broken out, so that the water disinfection efficiency is reduced; (3) after a period of time, the surface of the metal sheet can be covered with scale, so that the generation of ozone is influenced, the efficiency of water disinfection is reduced, and the metal sheet can not be used and needs to be replaced by a new metal sheet after a long time.
Disclosure of Invention
In order to overcome the technical defects, the invention provides an embedded water disinfection device for a water tank, which consists of an electrochemical disinfection unit and a circuit control unit, adopts an electrode composite treatment technology and a technical means of voltage polarity fixed-frequency switching, can greatly improve the current intensity and improve the sterilization efficiency compared with the prior art, and can reduce the scale deposit on the surface of an electrode plate and prolong the service life.
In order to achieve the purpose, the invention provides the following technical scheme:
an embedded water disinfection device for a water tank comprises an electrochemical disinfection unit and a circuit control unit, and is characterized in that the electrochemical disinfection unit is connected with the circuit control unit through a positive electrode lead and a negative electrode lead; the electrochemical disinfection unit consists of a base, a lower electrode plate, a gasket, an upper electrode plate, an upper cover plate, a sealing ring, a first bolt and a second bolt, and can perform voltage polarity switching according to the frequency of 10Hz to 100 Hz; the circuit control unit consists of a voltage conversion module, a timing switching module and a voltage output module.
When the water disinfection device is used, the electrochemical disinfection unit is embedded into the water pipe inlet and outlet at the bottom of the water tank, and after the power supply is switched on, parameters such as the electrifying voltage, the positive-negative switching electrification and the switching frequency of the electrodes in the electrochemical disinfection unit are realized by the circuit control unit, so that the water body in the water tank is disinfected finally.
In the electrochemical sterilization unit of the above sterilization device: the base is annular and comprises five inward convex arc clamping grooves and two bolt holes; the lower electrode plate is in a grid-type circular ring shape, has the same inner diameter as the base and comprises five inward convex arc bayonets, a bolt connecting hole and a bolt through hole; the gasket is in a circular ring shape, has the same inner diameter as the base and comprises five inward convex arc bayonets and two bolt holes; the upper electrode plate is in a grid-type annular shape, has the same inner diameter as the base and comprises five inward convex arc bayonets, a bolt connecting hole and a bolt through hole; the upper cover plate is annular, has the same inner diameter as the base and comprises five inward convex arc clamping grooves and two bolt holes; the sealing ring is consistent with the periphery of the upper cover plate in shape; the electrochemical disinfection unit is connected with the upper cover plate by a first bolt and a second bolt according to the sequence of the base, the lower electrode plate, the gasket, the upper electrode plate and the upper cover plate, and the sealing ring is embedded in the upper part of the upper cover plate; meanwhile, a first bolt sequentially passes through a bolt hole of the base, a bolt through hole of the lower electrode plate, a bolt hole of the gasket, a bolt connecting hole of the upper electrode plate and a bolt hole of the upper cover plate; the second bolt passes through the other bolt hole of the base, the bolt connecting hole of the lower electrode plate, the other bolt hole of the gasket, the bolt through hole of the upper electrode plate and the other bolt hole of the upper cover plate in sequence.
The voltage conversion module in the circuit control unit of the disinfection device can convert the input direct current 24V voltage into direct current 5V voltage, and the direct current 5V voltage is used for components in the rear end timing switching module and the voltage output module; the timing switching module can construct a mode for switching high and low levels according to a certain frequency and output the mode to the voltage output module; the voltage output module can receive a high-low level switching mode of the timing switching module and input the high-low level switching mode to the double-pole double-throw relay, polarity alternate reversal of a 24V power supply is achieved, and meanwhile voltage signals are transmitted to the upper electrode plate and the lower electrode plate through the positive electrode lead and the negative electrode lead.
One end of a positive wire of the disinfection device is connected with the circuit control unit, and the other end of the positive wire is connected with the upper electrode plate through a first bolt; one end of the negative lead is connected with the circuit control unit, and the other end of the negative lead is connected with the lower electrode plate through a second bolt.
The upper electrode plate and the lower electrode plate of the disinfection device are made of titanium substrates, and the titanium substrates are plated with platinum-palladium alloy, titanium substrates and platinum-iridium alloy in a grid arrangement sequence; the thickness of the platinum-palladium alloy and the platinum-iridium alloy is 0.3 to 0.5 micron; the grid directions of the upper electrode plate and the lower electrode plate are mutually vertical.
The invention has the following advantages and beneficial effects:
compared with the prior art and products, the technical scheme provided by the invention has the following remarkable advantages and progresses:
1. according to the technical scheme, the electrode composite treatment mode is adopted, namely the titanium substrate, the platinum-palladium alloy plated on the titanium substrate and the platinum-iridium alloy plated on the titanium substrate are adopted, so that the response current of the electrode under the low-voltage condition can be enhanced, the disinfection efficiency is increased, the corrosion resistance of the electrode is improved, and the service life is prolonged.
2. According to the technical scheme, the upper grid electrode and the lower grid electrode which are vertical to each other in grid direction are adopted, and compared with the traditional sheet type electrode, the contact dimension between the electrode and the water body can be increased, and the disinfection efficiency is further improved.
3. The voltage of the upper electrode and the lower electrode adopted by the technical scheme of the invention can be switched in voltage polarity at the frequency of 10Hz to 100Hz, so that the alternate application of positive voltage and negative voltage is realized. On one hand, the upper electrode and the lower electrode can work alternately, so that the time for generating bubbles and hindering disinfection by a single electrode is reduced, and the disinfection efficiency of the electrode is improved; on the other hand, positive and negative voltages are alternately applied to help the surface of the electrode to desorb water impurities, so that scale deposition is delayed, and the service life of the electrode is prolonged.
For further explanation of the structural features and functions of the present invention, the present invention will be further described with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an in-line water sterilizing apparatus for a sink according to embodiment 1 of the present invention.
Fig. 2 is a schematic view of the electrochemical sterilization unit shown in fig. 1.
Fig. 3 is a schematic diagram of a structure of a control unit of the circuit shown in fig. 1.
Fig. 4 is a circuit schematic of the control unit of the circuit of fig. 1.
Wherein,
1-electrochemical disinfection unit, 11-base, 12-lower electrode plate, 13-gasket, 14-upper electrode plate, 15-upper cover plate, 16-sealing ring, 17-bolt I, 18-bolt II;
2-a circuit control unit, 21-a voltage conversion module structure schematic diagram, 22-a timing switching module structure schematic diagram, 23-a voltage output module structure schematic diagram, 21 ' -a voltage conversion module circuit schematic diagram, 22 ' -a timing switching module circuit schematic diagram, and 23 ' -a voltage output module circuit schematic diagram;
3-positive electrode lead;
4-negative electrode lead.
Detailed Description
As shown in fig. 1 to 4, the built-in water sterilizing apparatus for a sink of the present invention includes an electrochemical sterilizing unit 1, a circuit control unit 2, a positive electrode lead 3 and a negative electrode lead 4. Wherein, the electrochemical disinfection unit 1 is connected with the circuit control unit 2 through a positive lead 3 and a negative lead 4.
In the electrochemical disinfection unit 1, a base 11 is annular and comprises five inward convex arc clamping grooves and two bolt holes; the lower electrode plate 12 is in a grid-type circular ring shape, has the same inner diameter as the base, and comprises five inward convex arc bayonets, a bolt connecting hole and a bolt through hole; the gasket 13 is in a circular ring shape, has the same inner diameter as the base, and comprises five inward convex arc bayonets and two bolt holes; the upper electrode plate 14 is in a grid-type circular ring shape, has the same inner diameter as the base, and comprises five inward convex circular arc bayonets, a bolt connecting hole and a bolt through hole; the upper cover plate 15 is annular, has the same inner diameter as the base, and comprises five inward convex arc clamping grooves and two bolt holes; the seal ring 16 is in conformity with the peripheral shape of the upper cover plate.
Meanwhile, the upper electrode plate 14 and the lower electrode plate 13 are made of titanium substrates, and the titanium substrates are plated with platinum-palladium alloy, titanium substrates and platinum-iridium alloy in a grid arrangement sequence; the thickness of the platinum-palladium alloy and the platinum-iridium alloy is 0.3 to 0.5 micron; the grid directions of the upper electrode sheet 14 and the lower electrode sheet 13 are perpendicular to each other.
The electrochemical disinfection unit 1 is connected with the upper cover plate 15 by a first bolt and a second bolt according to the sequence of the base 11, the lower electrode plate 12, the gasket 13, the upper electrode plate 14 and the upper cover plate 15, and the sealing ring 16 is embedded in the upper part of the upper cover plate 15; meanwhile, a bolt 17 passes through a bolt hole of the base 11, a bolt through hole of the lower electrode plate 12, a bolt hole of the gasket 13, a bolt connecting hole of the upper electrode plate 14 and a bolt hole of the upper cover plate 15 in sequence; the second bolt 18 passes through the other bolt hole of the base 11, the bolt connecting hole of the lower electrode plate 12, the other bolt hole of the gasket 13, the bolt passing hole of the upper electrode plate 14 and the other bolt hole of the upper cover plate 15 in sequence.
The circuit control unit 2 includes a voltage conversion module 21, a timing switching module 22, and a voltage output module 23. The voltage conversion module 21 can convert the input direct current 24V voltage into direct current 5V voltage, and the direct current 5V voltage is used for components in the rear-end timing switching module 22 and the voltage output module 23; the timing switching module 22 can construct a mode in which high and low levels are switched according to a certain frequency and output the mode to the voltage output module 23; the voltage output module 23 can receive the high-low level switching mode of the timing switching module 22 and input the high-low level switching mode to the double-pole double-throw relay, so that the polarity of the 24V power supply is alternately inverted, and meanwhile, a voltage signal is transmitted to the upper electrode plate 14 and the lower electrode plate 12 through the positive lead 3 and the negative lead 4.
When the device is used, the electrochemical disinfection unit is embedded into the water pipe inlet and outlet at the bottom of the water tank, and after the device is powered on, the switching frequency is set through the timing switching module. A voltage conversion module in the circuit control unit converts the direct current 24V voltage into direct current 5V voltage and outputs the direct current 5V voltage to a given time switching module and a voltage output module. The timing switching module constructs a mode of switching high and low levels according to the set frequency and outputs the mode to the voltage output module. The voltage output module receives a high-low level switching mode of the timing switching module and inputs the high-low level switching mode to the double-pole double-throw relay, polarity alternate reversal of a 24V power supply is achieved, and meanwhile voltage signals are transmitted to the upper electrode plate and the lower electrode plate through the positive electrode lead and the negative electrode lead. The upper electrode plate and the lower electrode plate receive the voltage signals output by the voltage output module, and generate electrochemical reaction in the water body to be disinfected to generate sterilizing substances such as ozone, free radicals and the like, and finally realize water body disinfection.
In order to better compare with the prior art, the traditional single-sheet stainless steel electrode, the double-sheet titanium electrode type electrochemical disinfection device and the technical scheme of the invention are taken as examples respectively, and the sterilization efficiency and the scale generation time of water bodies with the same volume, temperature and source are compared at the same time, and the results are shown in the following table.
TABLE 1 comparison result of water sterilization efficiency and scale production time of different technical schemes
Note 1: refers to the time required for reaching the requirements of microorganisms in GB 5749 sanitary Standard for Drinking Water 2006.
Note 2: the number of times of the test was 1 after the test was continuously conducted for 20 minutes and then was interrupted for 10 minutes, and the scale formation on the electrode surface was visually observed.
As can be seen from table 1, compared with the prior art device, the electrochemical disinfection device provided by the technical scheme of the invention can complete disinfection in a shorter time, thereby significantly improving the disinfection efficiency; meanwhile, the time for generating the scale on the surface of the electrode is obviously prolonged, and the service life of the device can be prolonged.
The foregoing is directed to embodiments of the present invention and it is understood that various modifications and enhancements may be made by those skilled in the art without departing from the principles of the invention, which should be considered as within the scope of the invention.
Claims (5)
1. An embedded water disinfection device for a water tank comprises an electrochemical disinfection unit and a circuit control unit, and is characterized in that the electrochemical disinfection unit is connected with the circuit control unit through a positive electrode lead and a negative electrode lead; the electrochemical disinfection unit consists of a base, a lower electrode plate, a gasket, an upper electrode plate, an upper cover plate, a sealing ring, a first bolt and a second bolt, and can perform voltage polarity switching according to the frequency of 10Hz to 100 Hz; the circuit control unit consists of a voltage conversion module, a timing switching module and a voltage output module.
2. A disinfection device as claimed in claim 1, wherein said electrochemical disinfection unit comprises: the base is annular and comprises five inward convex arc clamping grooves and two bolt holes; the lower electrode plate is in a grid-type circular ring shape, has the same inner diameter as the base and comprises five inward convex arc bayonets, a bolt connecting hole and a bolt through hole; the gasket is in a circular ring shape, has the same inner diameter as the base and comprises five inward convex arc bayonets and two bolt holes; the upper electrode plate is in a grid-type annular shape, has the same inner diameter as the base and comprises five inward convex arc bayonets, a bolt connecting hole and a bolt through hole; the upper cover plate is annular, has the same inner diameter as the base and comprises five inward convex arc clamping grooves and two bolt holes; the sealing ring is consistent with the periphery of the upper cover plate in shape; the electrochemical disinfection unit is connected with the upper cover plate by a first bolt and a second bolt according to the sequence of the base, the lower electrode plate, the gasket, the upper electrode plate and the upper cover plate, and the sealing ring is embedded in the upper part of the upper cover plate; meanwhile, a first bolt sequentially passes through a bolt hole of the base, a bolt through hole of the lower electrode plate, a bolt hole of the gasket, a bolt connecting hole of the upper electrode plate and a bolt hole of the upper cover plate; the second bolt passes through the other bolt hole of the base, the bolt connecting hole of the lower electrode plate, the other bolt hole of the gasket, the bolt through hole of the upper electrode plate and the other bolt hole of the upper cover plate in sequence.
3. The disinfection device of claim 1, wherein the voltage conversion module in the circuit control unit can convert an input Direct Current (DC) 24V voltage into a DC 5V voltage for components in the rear-end timing switching module and the voltage output module; the timing switching module can construct a mode for switching high and low levels according to a certain frequency and output the mode to the voltage output module; the voltage output module can receive a high-low level switching mode of the timing switching module and input the high-low level switching mode to the double-pole double-throw relay, polarity alternate reversal of a 24V power supply is achieved, and meanwhile voltage signals are transmitted to the upper electrode plate and the lower electrode plate through the positive electrode lead and the negative electrode lead.
4. The sterilizing unit as claimed in claim 1, wherein one end of said positive electrode lead is connected to the circuit control unit, and the other end is connected to the upper electrode plate through a first bolt; one end of the negative electrode lead is connected with the circuit control unit, and the other end of the negative electrode lead is connected with the lower electrode plate through a second bolt.
5. The disinfection apparatus of claim 1, wherein the upper electrode sheet and the lower electrode sheet are made of a titanium substrate, and the grid arrangement order is titanium substrate, titanium substrate platinum palladium alloy plating, titanium substrate platinum iridium alloy plating; the thickness of the platinum-palladium alloy and the platinum-iridium alloy is 0.3 to 0.5 micron; the grid directions of the upper electrode plate and the lower electrode plate are mutually vertical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921421089.3U CN211111204U (en) | 2019-08-29 | 2019-08-29 | Embedded water disinfection device for water tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421089.3U CN211111204U (en) | 2019-08-29 | 2019-08-29 | Embedded water disinfection device for water tank |
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| Publication Number | Publication Date |
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| CN211111204U true CN211111204U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589934A (en) * | 2019-08-29 | 2019-12-20 | 浙江工商大学 | Embedded water disinfection device for water tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589934A (en) * | 2019-08-29 | 2019-12-20 | 浙江工商大学 | Embedded water disinfection device for water tank |
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