A decontamination active water preparation device and a graphite electrode

Abstract

This invention provides a device for preparing activated water for stain removal and a graphite electrode. The device includes a housing with a cover plate on top. An electrode assembly is disposed inside the housing, comprising a cathode plate and an anode plate electrically connected to a power source. A gas storage space is formed between the cathode plate and the cover plate, and a water storage space is formed between the cathode plate and the anode plate. The cathode plate is located at the interface between the gas storage space and the water storage space, and is used to prepare activated water for stain removal at a preset potential. This invention ensures that the cathode plate is always at the water-vapor interface by directly backflowing water into the water storage cavity between the cathode and anode plates, resulting in a large contact area and high electrolysis efficiency. The water is electrolyzed to the required concentration of electrolyte, allowing for residue-free washing or sterilization of clothing. This method is environmentally friendly, non-toxic, residue-free, and harmless to human health.

Description

Technical Field

[0001] This utility model relates to the field of clothing care technology, and more specifically, to a stain-removing active water preparation device and a graphite electrode. Background Technology

[0002] As modern society increasingly demands a higher quality of life, people are paying more and more attention to the cleanliness and hygiene of their clothes. Traditional laundry methods often rely on chemical detergents. While these detergents can remove stains from clothes, long-term use may damage the garments, and detergent residue may pose a potential threat to human health.

[0003] Electrolysis of water generates a certain concentration of superoxide radicals and hydrogen peroxide ions by electrolyzing ordinary tap water. This process effectively removes stains without leaving residue on clothing and is harmless to human health, making it a promising technology for clothing treatment. To this end, Chinese Patent Application No. 202010658124.4 discloses a water electrolysis device, including a cathode plate and an anode plate. One or more through holes are provided on the anode plate and / or cathode plate. A gas-conducting and water-blocking membrane covers the through holes. When one of the anode plate or cathode plate has a through hole, an intermediate cavity is provided between the anode plate and the cathode plate. When both the anode plate and the cathode plate have through holes, two intermediate cavities are provided between the anode plate and the cathode plate, separated by a conductive plate. The intermediate cavity and the gas-conducting and water-blocking membrane work together to achieve water-gas separation within the bipolar plates. This solution allows for direct separation of generated gas to ensure large-area contact between the electrodes and water; however, the structure is complex and the production cost is high.

[0004] In view of the above, this utility model is hereby proposed. Utility Model Content

[0005] The problem solved by this invention is that the existing water electrolysis devices have a complex structure, resulting in high production costs, and cannot meet the design requirements for miniaturization of household appliances.

[0006] To address the aforementioned problems, this utility model provides a device for preparing activated water for decontamination, comprising a housing, a cover plate on the top of the housing, and an electrode assembly inside the housing. The electrode assembly includes a cathode plate and an anode plate, which are electrically connected to a power source. A gas storage space is formed between the cathode plate and the cover plate, and a water storage space is formed between the cathode plate and the anode plate. The cathode plate is located at the interface between the gas storage space and the water storage space, and is used to prepare activated water for decontamination at a preset potential.

[0007] This setup ensures that oxygen constantly permeates through the micropores of the cathode plate and is acted upon by the electrode assembly during electrolysis, thereby continuously generating electrolytic ions; it also ensures that the cathode plate utilizes the air in the gas storage space to promote the generation of hydrogen peroxide during electrolysis, while the generated hydrogen peroxide can be dissolved in water in a timely manner to prevent its rapid degradation.

[0008] Preferably, the housing has an opening at the top, and the cover plate is located at the top of the housing to partially block the opening. This arrangement is simple in structure and facilitates production and assembly.

[0009] Preferably, the housing or cover is provided with a water inlet to deliver the liquid to be electrolyzed to the water storage space; the housing is provided with a water outlet on the side away from the water inlet, and the cathode plate is provided above the lower edge of the water outlet.

[0010] This setup allows for a large contact area between the water entering the water storage area between the cathode and anode plates and the electrode components. The gas storage area is also connected to the water outlet, allowing the gas generated during electrolysis to be discharged with the electrolyzed water, thus ensuring the safety of the activated water preparation device.

[0011] Preferably, the activated water preparation device for decontamination has guide ribs on one side of the inlet to prevent the liquid to be electrolyzed from flowing through the gas storage space. This arrangement allows water to enter the water storage area between the cathode plate and the anode plate directly from the inlet, avoiding water from flowing directly to the gas storage area between the cathode plate and the cover plate. It also helps the cathode plate to be at the water-gas interface, resulting in high electrolysis efficiency.

[0012] Preferably, the housing is provided with an inlet and an outlet, which are located on opposite sides of the housing. The decontamination activated water preparation device further includes an atomizing component connected to the outlet for atomizing and spraying out the decontamination activated water generated by electrolysis.

[0013] The activated water preparation device for decontamination described in this invention can prepare an electrolyte with high solubility and stability, and integrates an atomizing component to decompose the electrolyte into micron-sized particles, thereby significantly increasing the contact area with bacteria and odor molecules, allowing the active ingredients in the electrolyte to quickly penetrate and destroy the microbial structure, and improving the sterilization efficiency; the atomized electrolyte can diffuse to areas that are difficult to reach by traditional cleaning methods, such as pipes and filters, eliminating sanitary dead corners and preventing bacterial growth and odor residue.

[0014] Preferably, the housing is provided with an air inlet communicating with the gas storage space, and the decontamination activated water preparation device further includes a gas delivery component connected to the air inlet for maintaining a preset pressure in the gas storage space.

[0015] This design allows the cathode plate to contact water while ensuring it is not completely submerged in the water storage space, and simultaneously provides the cathode plate with more oxygen-containing gas. The gas delivery device can be an impeller, air pump, gas compressor, etc.

[0016] Preferably, the bottom of the housing is provided with multiple support structures, and the anode plate has mounting holes at positions corresponding to the support structures. The support structures are fixedly assembled into the mounting holes, and the top of the support structures abuts against the bottom surface of the cathode plate. There is a gap between the anode plate and the bottom of the housing. This arrangement utilizes the support structures to simultaneously assemble the cathode plate and the anode plate, while maintaining a gap between the anode plate and the housing to ensure sufficient contact with water, resulting in high electrolysis efficiency.

[0017] Preferably, the cathode plate is provided with a first terminal block, and the anode plate is provided with a second terminal block, with the second terminal block located directly below the first terminal block. Two clearance holes are provided on the side of the housing. The first and second terminal blocks pass through these clearance holes and are then connected to the power supply via connecting wires. This design is simple and facilitates wiring.

[0018] Preferably, the distance between the cathode plate and the anode plate is 0.2-20 mm, and the preset potential is between 1-40 V. This setting ensures optimal electrolysis efficiency and maximizes the utilization rate of the cathode plate 31 and the anode plate 32.

[0019] This utility model also provides a graphite electrode, which is disposed at the interface between the gas storage space and the water storage space of the above-mentioned activated water preparation device. The graphite electrode includes a substrate, which is configured as a graphite felt. A first hydrophobic layer is disposed on the surface of the substrate, a second catalytic layer is disposed on the surface of the first hydrophobic layer, and a third hydrophobic layer is disposed on the surface of the second catalytic layer.

[0020] Compared with the prior art, the activated water preparation device and graphite electrode of the present invention have the following advantages: 1) It can form a gas storage space and a water storage space on the upper and lower sides of the cathode plate respectively, so that there is no need to set up a blower / air pump, gas pipeline and other structures, which reduces costs and is conducive to the miniaturization of the activated water preparation device; 2) By directly backflowing water into the water storage cavity between the cathode plate and the anode plate, the cathode plate is always at the water vapor interface, with a large contact area and high electrolysis efficiency; 3) The structure is simple and easy to manufacture and process. Attached Figure Description

[0021] Figure 1 This is an overall schematic diagram of the activated water preparation device for decontamination described in Embodiment 1 of this utility model;

[0022] Figure 2 This is an exploded view of the activated water preparation device for decontamination described in Embodiment 1 of this utility model;

[0023] Figure 3 This is a cross-sectional schematic diagram of the activated water preparation device according to Embodiment 1 of this utility model;

[0024] Figure 4 This is a longitudinal cross-sectional schematic diagram of the activated water preparation device described in Embodiment 2 of the present invention;

[0025] Figure 5 This is an exploded view of the activated water preparation device described in Embodiment 2 of the present invention;

[0026] Figure 6 This is a cross-sectional schematic diagram of the activated water preparation device described in Embodiment 3 of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of the cathode plate according to an embodiment of the present invention.

[0028] Explanation of reference numerals in the attached figures:

[0029] 100-Activated water preparation device for decontamination; 1-Shell; 11-Outlet; 12-Support structure; 13-Avoidance hole; 2-Cover plate; 21-Inlet; 22-Guide rib; 23-Air inlet; 3-Electrode assembly; 31-Cathode plate; 310-Substrate; 3101-First hydrophobic layer; 3102-Second catalytic layer; 3103-Third hydrophobic layer; 311-First connector; 312-Avoidance notch; 32-Anode plate; 321-Second connector; 322-Assembly hole; 4-Gas storage space; 5-Water storage space; 6-Gas delivery assembly; 7-Atomization assembly. Detailed Implementation

[0030] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Without conflict, the technical features of the embodiments of this utility model can be combined with each other.

[0031] Traditional laundry products use various added chemical reagents to wash and care for clothes, which can leave residues and is not good for the user's health. Furthermore, they are not very effective at removing stubborn stains. Electrolyzed water, containing active oxygen, can not only kill bacteria, viruses, and other microorganisms on clothes, but also effectively remove stains and odors. It is environmentally friendly, non-toxic, and residue-free, meeting modern people's pursuit of a healthy and environmentally friendly lifestyle, and has unique advantages in clothing washing and care. However, existing electrolyzed water devices have complex structures, and their electrolysis efficiency is relatively low due to the generation of bubbles. Therefore, the applicant proposes the following solution:

[0032] Example 1

[0033] like Figure 1-3 As shown, a decontamination activated water preparation device 100 includes a housing 1, a cover plate 2 is provided on the top of the housing 1, and a storage space is formed between the cover plate 2 and the housing 1. An electrode assembly 3 is provided inside the housing 1. The electrode assembly 3 includes a cathode plate 31 and an anode plate 32 that are electrically connected to a power source. A gas storage space is formed between the cathode plate 31 and the cover plate 2, and a water storage space 5 is formed between the cathode plate 31 and the anode plate 32. The cathode plate 31 is partially located on the water level line of the water storage space 5.

[0034] This setup ensures that the cathode plate 31 utilizes the gas in the gas storage space 4 to promote the generation of electrolyte during the electrolysis process, while the generated electrolyte can be dissolved in water in a timely manner to prevent it from being rapidly degraded, thereby preparing a high-concentration and stable electrolyte.

[0035] As an example of the present invention, the anode plate 32 is made of an electrocatalytic material, such as an electrocatalytic material composed of platinum, gold, ruthenium, titanium, carbon-based materials, noble metals and transition metal oxides, or noble metals and carbon-based materials; the cathode plate 31 is made of a carbon-based material, such as carbon nanoplatelets, graphene, or graphite felt. For example, the cathode plate 31 is a graphite electrode, and the anode plate 32 is a ruthenium-iridium coated titanium electrode, or both the cathode plate 31 and the anode plate 32 can be made of low-cost graphite felt electrodes. Preferably, the cathode plate 31 and the anode plate 32 are placed horizontally, with the cathode plate 31 located above the anode plate 32.

[0036] Please refer to Figure 7 In one specific embodiment provided in this application, the cathode plate 31 includes a substrate 310, which is configured as graphite felt. A first hydrophobic layer 3101 is disposed on the surface of the substrate 310. A second catalytic layer 3102 is disposed on the surface of the first hydrophobic layer 3101. A third hydrophobic layer 3103 is disposed on the surface of the second catalytic layer 3102. The first hydrophobic layer 3101, the second catalytic layer 3102, and the third hydrophobic layer 3103 are all made of carbon powder and polytetrafluoroethylene. A gas storage space 4 is formed between the cathode plate 31 and the cover plate 2, and a water storage space 5 is formed between the cathode plate 31 and the anode plate 32. A portion of the cathode plate 31 is located on the water level line of the water storage space 5.

[0037] This setup ensures that the cathode plate 31 utilizes the gas in the gas storage space 4 to promote the generation of electrolyte during the electrolysis process, while the generated electrolyte can be dissolved in water in a timely manner to prevent it from being rapidly degraded, thereby preparing a high-concentration and stable electrolyte.

[0038] Understandably, the cathode plate 31 is located at the water-gas interface. Oxygen from the gas storage space 4 permeates through micropores to the side of the cathode plate 31 immersed in water, where it undergoes a reduction reaction with water under electrocatalysis to generate hydrogen peroxide. The first hydrophobic layer 3101, covered by carbon powder and polytetrafluoroethylene (PTFE), provides a smooth and hydrophobic surface. The second catalytic layer 3102, also covered by carbon powder and PTFE, ensures the conductivity of the electrode and oxygen reduction. The third hydrophobic layer 3103, covering the second catalytic layer 3102, maintains the stability of the water-gas interface of the cathode plate 31, preventing water from the water storage space 5 from submerging the gas storage space 4. Simultaneously, its hydrophobicity reduces the obstruction of liquid to gas permeation, indirectly promoting oxygen participation in the reaction and allowing the generated hydrogen peroxide to dissolve rapidly in the water. Meanwhile, the third hydrophobic layer 3103 maintains the water-gas interface and promotes the removal of hydrogen peroxide from the electrode surface, thus preventing hydrogen peroxide degradation. On the other hand, oxygen in the gas storage space 4 can permeate into the water through the micropores on the cathode plate 31 to participate in the electrolysis reaction, replenishing the dissolved oxygen in the water and further promoting the generation of hydrogen peroxide.

[0039] Specifically, the housing 1 or cover 2 is provided with a water inlet 21 to deliver the liquid to be electrolyzed to the water storage space; the housing 1 is provided with a water outlet 11 on the side away from the water inlet 21, and the cathode plate 31 is partially positioned above the lower edge of the water outlet 11. This arrangement allows for a large contact area between the water entering the water storage space 5 between the cathode plate 31 and the anode plate 32 and the electrode assembly 3. The gas storage space 4 is also connected to the water outlet 11, so that when the electrolyte is discharged, the gas in the gas storage space can be replaced to replenish the gas to participate in the electrolysis reaction.

[0040] Preferably, the activated water preparation device is equipped with guide ribs 22 corresponding to the inlet 21 to prevent the liquid to be electrolyzed from flowing through the gas storage space 4. This arrangement allows water to directly enter the water storage space 5 between the cathode plate 31 and the anode plate 32 from the inlet 21, preventing water from flowing directly into the gas storage space 4 between the cathode plate 31 and the cover plate 2, which would adversely affect the service life of the cathode plate 31. Simultaneously, it facilitates the cathode plate 31 being positioned at the water-gas interface, resulting in high electrolysis efficiency.

[0041] Furthermore, the cover plate 2 has a water inlet 21 and a guide rib 22 at one end along its length. The guide rib 22 is located directly below the water inlet 21. The cathode plate 31 has an avoidance notch 312, and the guide rib 22 is inserted into the avoidance notch 312 to supply water to be electrolyzed between the cathode plate 31 and the anode plate 32. This arrangement allows water to enter the water storage space 5 between the cathode plate 31 and the anode plate 32 directly from the water inlet 21, preventing water from flowing directly into the gas storage space 4 formed between the cathode plate 31 and the cover plate 2, thus avoiding damage to the hydrophobic interface on the cathode plate 31. At the same time, the cathode plate 31 is located at the water-gas interface, which is conducive to oxygen diffusion in the gas storage space, resulting in high electrolysis efficiency.

[0042] As an example of the present invention, the housing 1 has an outlet 11 on the side away from the inlet 21, and the cathode plate 31 is positioned above the lower edge of the outlet 11. This arrangement allows for a large contact area between the water entering the water storage space 5 between the cathode plate 31 and the anode plate 32 and the electrode assembly 3. The gas storage space 4 is also connected to the outlet 11, allowing the gas in the gas storage space to be replaced when the electrolyte is discharged, thus replenishing the gas to participate in the electrolysis reaction. Preferably, there is a gap between the cathode plate 31 and the housing 1. This arrangement allows the electrolyzed water in the water storage chamber 5 to flow smoothly out of the outlet 11.

[0043] Preferably, a pressure valve is provided at the outlet 11. When the internal pressure of the storage space exceeds a preset value, the pressure valve is opened to release the electrolyte or replace the gas in the gas storage space 4. Since the electrolyte concentration is related to the reaction area and reaction time, and the activated water preparation device 100 of this application is small in size, the electrode area used for the reaction is also small. To obtain an electrolyte with the required concentration, the reaction time must be extended. During electrolysis, liquid to be electrolyzed is continuously poured into the inlet, thereby increasing the internal pressure. As the internal pressure continues to increase until it reaches the preset opening pressure of the pressure valve, an electrolyte with the required concentration can be prepared. After the electrolyte is prepared, the internal pressure causes the pressure valve to open, simultaneously releasing the electrolyte and replenishing new air. Preferably, a pressure sensor is provided on the housing 1 or cover plate to detect the pressure in the gas storage space 4. The pressure sensor and the pressure valve are electrically connected to the controller.

[0044] As an example of the present invention, the cathode plate 31 is provided with a first connector 311, the anode plate 32 is provided with a second connector 321, and two clearance holes 13 are provided on the side of the housing 1. The first connector 311 and the second connector 321 pass through the clearance holes 13 and are connected to the power supply through connecting wires. This arrangement has a simple structure and facilitates wiring.

[0045] Preferably, the bottom of the housing 1 is provided with multiple support structures 12, and the anode plate 32 is provided with mounting holes 322 corresponding to the support structures 12. The support structures 12 are inserted into the mounting holes 322, and the top of the support structures 12 abuts against the bottom surface of the cathode plate 31. There is a gap between the anode plate 32 and the bottom of the housing 1. This arrangement allows for the simultaneous assembly of the cathode plate 31 and the anode plate 32 using the support structures 12, while maintaining a gap between the anode plate 32 and the housing 1 to ensure sufficient contact with water, resulting in high electrolysis efficiency. Preferably, the support structure 12 is a fixed column, and the mounting holes 322 are interference-fitted with the fixed column. This arrangement allows the height of the anode plate 32 to be adjusted as needed, thereby changing the distance between the anode plate 32 and the cathode plate 31.

[0046] As an example of the present invention, the cathode plate 31 and the anode plate 32 are placed horizontally, with the cathode plate 31 located above the anode plate 32, and the distance between them is 0.2-20 mm, preferably 3-10 mm. As an example of the present invention, the preset potential is between 1-40V. Preferably, when the voltage is 15V, and the size of both the cathode plate 31 and the anode plate 32 is 100*50mm, the electrolysis efficiency is optimal and the utilization rate of the cathode plate 31 and the anode plate 32 is highest.

[0047] To achieve the ideal concentration, a small-flow dynamic electrolysis can be used. Taking a 100*50mm electrode as an example, a flow rate of 100ml / min can meet the general nursing requirements. Static quantitative electrolysis can be achieved through a decontamination activated water preparation device. After reaching the electrolysis concentration, the solution is discharged into the receiving cavity for nursing operations.

[0048] Example 2

[0049] like Figure 4-5 As shown, a device for preparing activated water for decontamination includes a housing 1 and an electrode assembly 3. The housing 1 is divided into a gas storage space 4 and a water storage space 5. The electrode assembly 3 includes a cathode plate 31 and an anode plate 32, which are respectively electrically connected to a power source. The anode plate 32 is immersed in the water storage space 5. The cathode plate 31 is located at the interface between the gas storage space 4 and the water storage space 5, and is used to prepare an electrolyte containing hydrogen peroxide at a preset potential.

[0050] This setup ensures that the cathode plate 31 utilizes the air in the gas storage space 4 to promote the generation of hydrogen peroxide during electrolysis. Simultaneously, the generated hydrogen peroxide dissolves in water promptly to prevent rapid degradation, thus preparing an electrolyte with a high and stable hydrogen peroxide concentration, thereby improving the cleaning effect of washing machines and garment care machines. The reaction formula for preparing the H2O2 electrolyte in the cathode plate 31 can be represented as: O2 + 2H2O → 2H2O2.

[0051] Preferably, the cathode plate 31 is a graphite electrode with a hydrophobic interface and a gas-philic interface disposed opposite to each other. The hydrophobic interface is immersed in the water storage space 5, and the gas-philic interface is exposed in the gas storage space 4. This arrangement allows the water storage space 5 to provide water as a reactant to the cathode plate 31 to participate in the electrolysis process, while contact with the gas storage space ensures continuous oxygen transport to improve the efficiency of hydrogen peroxide generation. In addition, the contact surface between the cathode plate 31 and the water maintains stable hydrophobicity, enabling the generated H2O2 to quickly and effectively detach from the surface of the cathode plate 31, thus making it possible to generate a high-concentration hydrogen peroxide electrolyte.

[0052] Please refer to Figure 7In one specific embodiment provided in this application, the cathode plate 31 includes a substrate 310, which is configured as graphite felt. A first hydrophobic layer 3101 is disposed on the surface of the substrate 310. A second catalytic layer 3102 is disposed on the surface of the first hydrophobic layer 3101. A third hydrophobic layer 3103 is disposed on the surface of the second catalytic layer 3102. The first hydrophobic layer 3101, the second catalytic layer 3102, and the third hydrophobic layer 3103 are all made of carbon powder and polytetrafluoroethylene. A gas storage space 4 is formed between the cathode plate 31 and the cover plate 2, and a water storage space 5 is formed between the cathode plate 31 and the anode plate 32. A portion of the cathode plate 31 is located on the water level line of the water storage space 5.

[0053] This setup ensures that the cathode plate 31 utilizes the gas in the gas storage space 4 to promote the generation of electrolyte during the electrolysis process, while the generated electrolyte can be dissolved in water in a timely manner to prevent it from being rapidly degraded, thereby preparing a high-concentration and stable electrolyte.

[0054] Understandably, the cathode plate 31 is located at the water-gas interface. Oxygen from the gas storage space 4 permeates through micropores to the side of the cathode plate 31 immersed in water, where it undergoes a reduction reaction with water under electrocatalysis to generate hydrogen peroxide. The first hydrophobic layer 3101, covered by carbon powder and polytetrafluoroethylene (PTFE), provides a smooth and hydrophobic surface. The second catalytic layer 3102, also covered by carbon powder and PTFE, ensures the conductivity of the electrode and oxygen reduction. The third hydrophobic layer 3103, covering the second catalytic layer 3102, maintains the stability of the water-gas interface of the cathode plate 31, preventing water from the water storage space 5 from submerging the gas storage space 4. Simultaneously, its hydrophobicity reduces the obstruction of liquid to gas permeation, indirectly promoting oxygen participation in the reaction and allowing the generated hydrogen peroxide to dissolve rapidly in the water. Meanwhile, the third hydrophobic layer 3103 maintains the water-gas interface and promotes the removal of hydrogen peroxide from the electrode surface, thus preventing hydrogen peroxide degradation. On the other hand, oxygen in the gas storage space 4 can permeate into the water through the micropores on the cathode plate 31 to participate in the electrolysis reaction, replenishing the dissolved oxygen in the water and further promoting the generation of hydrogen peroxide.

[0055] As an example of the present invention, the activated water preparation device further includes a cover plate 2. The top of the housing 1 has an opening, and the cover plate 2 is located on the top of the housing 1 to partially block the opening. An air inlet 23 is provided on the cover plate 2. Oxygen-containing gas is supplied to the air storage space 4 through the air inlet 23, which allows for more flexible adjustment of the deployment position of the activated water preparation device.

[0056] Furthermore, the air inlet 23 can also be connected to the gas delivery assembly 6 to maintain the gas in the gas storage space 4 at a preset pressure or to adjust the gas pressure in the gas storage space 4 to maintain a preset relationship with the liquid pressure in the water storage space 5.

[0057] A water inlet 21 is provided on one side of the housing 1. The water inlet 21 is located below the cathode plate 31 and communicates with the water storage space 5. An air inlet 23 is provided on the cover plate 2 for communication with the air storage space 4. This arrangement allows the decontamination activated water preparation device to prepare a high-concentration H2O2 electrolyte in an intermittent manner. That is, after the cathode plate 31 generates an electrolyte containing H2O2, it is stored until the concentration reaches a preset standard, and then it flows out through the water inlet 21 to participate in the decontamination work.

[0058] Preferably, the housing 1 includes a water outlet 11, and the water inlet 21 and the water outlet 11 are located on opposite sides of the housing 1. This arrangement allows the washing water to continuously pass through the active water preparation device and generate a relatively stable concentration of H2O2 electrolyte. The generated electrolyte is directly coupled with the washing and care process of clothes without adding extra processing time. Although the concentration of H2O2 in the washing water is lower in this mode, the total amount generated is higher, resulting in better cleaning effect.

[0059] As an example of the present invention, valve assemblies are respectively provided at the inlet 21 and / or outlet 11. This arrangement allows the valve assembly to be opened to discharge the H2O2 electrolyte for decontamination after the H2O2 electrolyte concentration reaches the standard, or to be opened to discharge the H2O2 electrolyte for decontamination after electrolysis for a certain period of time.

[0060] As a preferred example of the present invention, a gas delivery component 6 is provided within the gas storage space 4. The gas delivery component 6 is connected to the air inlet 23 and is used to maintain a preset gas pressure within the gas storage space 4. This arrangement ensures that the cathode plate 31 is not completely submerged in the water storage space 5 while allowing it to contact water, and simultaneously provides the cathode plate 31 with more oxygen-containing gas. The gas delivery component 6 can be an impeller, an air pump, a gas compressor, etc.

[0061] The H2O2-containing electrolyte generated by the aforementioned activated water preparation device can be used in two scenarios: in-situ production and in-situ use, or production followed by use. Specifically, if the electrolysis process is coupled with clothing treatment, water continuously flows in and out of the water storage space 5 during the electrolysis process, allowing the generated H2O2 electrolyte to directly participate in clothing washing or care. In this case, the generation of hydrogen peroxide is not affected by concentration, resulting in a larger production volume, which is more suitable for clothing washing or rinsing processes with large water consumption. If the electrolysis process is separated from clothing treatment, such as first electrolyzing to generate H2O2 electrolyte and storing it, and then participating in the subsequent clothing treatment process after the concentration reaches a preset value, this mode is more suitable for clothing care stages with small water consumption.

[0062] Example 3

[0063] like Figure 6As shown, the activated water preparation device further includes an atomizing component 7, which is connected to the water outlet 11 and is used to atomize and spray the activated water generated by electrolysis. The activated water preparation device of this invention can prepare an electrolyte with high solubility and stability, and integrates the atomizing component 7 to decompose the electrolyte into micron-sized particles, thereby significantly increasing the contact area with bacteria and odor molecules. This allows the active ingredients in the electrolyte to quickly penetrate and destroy the microbial structure, improving sterilization efficiency. The atomized electrolyte can diffuse to areas that are difficult to reach with traditional cleaning methods, such as pipes and filters, eliminating hygiene dead spots and preventing bacterial growth and odor residue.

[0064] As an example of the present invention, an air inlet 23 is provided on the housing 1 for communication with the gas storage space 4. The decontamination activated water preparation device further includes a gas supply component 6, which is connected to the air inlet 23 to maintain a preset gas pressure in the gas storage space 4. This arrangement ensures that the cathode plate 31 is not completely submerged in the water storage space 5 while maintaining contact with water, and simultaneously provides more gas to the cathode plate 31. It also agitates the reaction space by introducing gas, thereby allowing the reaction products to quickly detach from the anode plate 31 to increase the reaction rate. As an example of the present invention, the gas supply component 6 can be an impeller, a gas pump, a gas compressor, etc.

[0065] Because the gas storage space 4 is affected by the working water level from the water storage space 5, it has a certain pressure. When the pressure of the water storage space 5 is greater than that of the gas storage space 4, the cathode plate 31 will be submerged in water. The oxygen in the gas storage space 4 cannot directly contact the cathode plate 31 to participate in the electrolysis reaction, which will lead to a decrease in electrolysis efficiency or even failure to electrolyze normally. When the pressure of the water storage space 5 is less than that of the gas storage space 4, the hydrophobic interface of the cathode plate 31 will not be able to stably contact the water. As the electrolysis products cannot quickly detach from the electrode surface, it will have an adverse effect on the electrolysis efficiency.

[0066] As an example of the present invention, the cathode plate 31 includes a substrate 310, the substrate 310 being configured as graphite felt, a first hydrophobic layer 3101 being disposed on the surface of the substrate 310, a second catalyst layer 3102 being disposed on the surface of the first hydrophobic layer 3101, and a third hydrophobic layer 3103 being disposed on the surface of the second catalyst layer 3102. The first hydrophobic layer 3101, the second catalyst layer 3102, and the third hydrophobic layer 3103 are all made of carbon powder and polytetrafluoroethylene. Figure 7 As shown.

[0067] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A device for producing decontaminating active water, characterized in that, The device includes a housing (1), a cover plate (2) is provided on the top of the housing (1), and an electrode assembly (3) is provided inside the housing (1). The electrode assembly (3) includes a cathode plate (31) and an anode plate (32) that are electrically connected to a power source. A gas storage space (4) is formed between the cathode plate (31) and the cover plate (2), and a water storage space (5) is formed between the cathode plate (31) and the anode plate (32). The cathode plate (31) is located at the interface between the gas storage space (4) and the water storage space (5) and is used to prepare activated water for decontamination at a preset potential.

2. The apparatus for producing decontaminating active water according to claim 1, wherein The top opening of the housing (1) is covered by a cover plate (2) located on top of the housing (1) to partially block the opening.

3. The apparatus for producing decontaminating active water according to claim 1 or 2, wherein The housing (1) or cover plate (2) is provided with an inlet (21) to deliver the liquid to be electrolyzed to the water storage space; the housing (1) is provided with an outlet (11) on the side away from the inlet (21), and the cathode plate (31) is partially positioned above the lower edge of the outlet (11).

4. The apparatus for producing decontaminating active water according to claim 3, wherein The decontamination activated water preparation device is provided with a guide rib (22) on one side of the water inlet (21) to prevent the liquid to be electrolyzed from flowing through the gas storage space.

5. The decontaminating active water preparation device according to claim 1 or 2, characterized in that, The housing (1) is provided with an inlet (21) and an outlet (11), which are located on opposite sides of the housing (1). The decontamination active water preparation device also includes an atomizing component (8), which is connected to the outlet (11) and is used to atomize and spray out the decontamination active water generated by electrolysis.

6. The decontaminating active water preparation device according to claim 1, characterized in that, The housing (1) is provided with an air inlet (23) communicating with the gas storage space (4). The decontamination activated water preparation device also includes a gas delivery component (6) connected to the air inlet (23) for maintaining a preset pressure in the gas storage space (4).

7. The decontaminating active water preparation device according to claim 1, characterized in that, The bottom of the housing (1) is provided with multiple support structures (12). The anode plate (32) is provided with assembly holes (322) at positions corresponding to the support structures (12). The support structures (12) are fixedly assembled into the assembly holes (322). The top of the support structure (12) abuts against the bottom surface of the cathode plate (31). There is a gap between the anode plate (32) and the bottom of the housing (1).

8. The decontaminating active water preparation device according to claim 1, characterized in that, The cathode plate (31) is provided with a first terminal (311), and the anode plate (32) is provided with a second terminal (321). The second terminal (321) is located directly below the first terminal (311). The side of the housing (1) is provided with two clearance holes (13). The first terminal (311) and the second terminal (321) pass through the clearance holes (13) and are connected to the power supply through connecting wires.

9. The decontaminating active water preparation device according to claim 1, characterized in that, The distance between the cathode plate (31) and the anode plate (32) is 0.2-20mm, and the preset potential is between 1-40V.

10. A graphite electrode arranged at the interface of the gas storage space (4) and the water storage space (5) of the decontaminated active water production device according to any one of claims 1-9, characterized in that, The graphite electrode comprises a substrate (310) arranged as a graphite felt, a surface of the substrate (310) is provided with a first hydrophobic layer (3101), a surface of the first hydrophobic layer (3101) is provided with a second catalytic layer (3102), and a surface of the second catalytic layer (3102) is provided with a third hydrophobic layer (3103).

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