Overflow type ozone mixing device

Abstract

The invention discloses an overflowing type ozone mixing device which comprises a main body, the two ends of the main body are a water inlet end and a water outlet end respectively, an ozone module for generating ozone is arranged in the main body, ozone channels parallel to each other are arranged on the two sides, corresponding to the ozone module, in the main body respectively, and the ozone channels are communicated with the ozone module. Two ends of the ozone channel are respectively communicated with the water inlet end and the water outlet end, the ozone channel comprises a plurality of cavities which are sequentially distributed along the axis of the ozone channel, the adjacent cavities are connected through connecting holes, the spaces of the plurality of cavities are different in size, and the spaces of the plurality of connecting holes are different in size; when water flow enters the ozone channel from the water inlet end, the water flow can sequentially pass through the cavities with different sizes and the connecting holes, the multiple cavities with different volumes distributed along the axis of the channel and the connecting holes can form an'expansion-contraction 'fluid path for the water flow, turbulent flow and vortex are formed, and mixing of high-speed jet flow and low-speed vortex can accelerate contact mixing of water and ozone.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ozone mixing, in particular to a flow-through ozone mixing device. BACKGROUND

[0002] An ozone generator is a device for producing ozone gas (O3). Since ozone is easily decomposed and cannot be stored for a long time, it is usually necessary to produce it on site for use, so ozone generators are needed in any place where ozone can be used. Ozone generators are widely used in the fields of drinking water, sewage, industrial oxidation, food processing and preservation, pharmaceutical synthesis, space sterilization, etc. The ozone gas produced by the ozone generator can be directly used or mixed with liquid through a mixing device.

[0003] When ozone gas is used, it is usually mixed with water to generate ozone water before use. The existing ozone generator usually needs to be placed in a container filled with water when used. The water is electrolyzed to generate ozone gas, which is mixed with water through its own diffusion to form ozone water. However, this method has the problem of uneven mixing, and because the volume of the container is limited, the flow of ozone water produced at a time is also limited, resulting in low efficiency of ozone water production. SUMMARY

[0004] The main purpose of the present application is to provide a flow-through ozone mixing device to solve the problems of uneven mixing of existing ozone water and limited ozone water production at a time.

[0005] To achieve the above purpose, the flow-through ozone mixing device provided by the present application comprises: a main body, the two ends of the main body are respectively a water inlet end and a water outlet end, an ozone module for generating ozone is arranged inside the main body, two parallel ozone channels are arranged on both sides of the ozone module inside the main body, the ozone channels are communicated with the ozone module, and the two ends of the ozone channels are communicated with the water inlet end and the water outlet end respectively.

[0006] The ozone channel comprises a plurality of cavities distributed along the axis of the ozone channel in sequence, the adjacent cavities are connected through connecting holes, the space sizes of the plurality of cavities are different, and the space sizes of the plurality of connecting holes are different.

[0007] Optionally, the cross sections of the cavities and the connecting holes are semicircular structures.

[0008] Optionally, the radius sizes of the plurality of cavities increase in sequence from the water inlet end to the water outlet end, and the radius sizes of the plurality of connecting holes increase in sequence from the water inlet end to the water outlet end.

[0009] Optionally, a water inlet hole is arranged between the cavity close to the water inlet end and the water inlet end, and a water outlet hole is arranged between the cavity close to the water outlet end and the water outlet end.

[0010] Optionally, the main body is a cylindrical structure, and the main body is symmetrically divided into a first part and a second part with a semicircular cross section with the ozone module as the center.

[0011] Optionally, the outer side of the main body is sleeved with a fixing sleeve near each end, and an annular reinforcing rib is arranged between the two fixing sleeves on the main body, the reinforcing rib is integrally formed with the main body, and the two fixing sleeves are respectively located at the two ends of the reinforcing rib.

[0012] Optionally, the ozone module comprises a first electrode sheet, the two sides of the first electrode sheet are respectively tightly arranged with a proton film, the other side of the two proton films is respectively tightly arranged with a second electrode sheet, and the other side of the two second electrode sheets is respectively tightly arranged with a power supply sheet.

[0013] Optionally, a plurality of first through grooves are uniformly arranged on the side surface of the proton film along a straight line, a second through groove is arranged on the side surface of the second electrode sheet corresponding to the first through groove, and a third through groove is arranged on the side surface of the power supply sheet corresponding to the first through groove.

[0014] Optionally, the first through groove, the second through groove and the third through groove are rectangular structures, the long sides of the first through groove, the second through groove and the third through groove are perpendicular to the axis of the ozone channel, and the widths of the first through groove and the third through groove are greater than the width of the second through groove.

[0015] Optionally, the fixing sleeve is made of conductive material, the two fixing sleeves are respectively used for electrically connecting with an external power supply, the two power supply sheets are respectively provided with a connecting part extending out of the main body, the connecting part is an elastic arc structure, and the two connecting parts are respectively used for contacting the inner sides of the corresponding fixing sleeves.

[0016] The technical scheme of the application is characterized in that a main body is arranged, two ends of the main body are respectively a water inlet end and a water outlet end, an ozone module for generating ozone is arranged in the main body, two sides of the ozone module in the main body are respectively provided with ozone channels which are parallel to each other, the ozone channels are communicated with the ozone module, two ends of the ozone channels are respectively communicated with the water inlet end and the water outlet end, the ozone channels comprise a plurality of cavities which are distributed along an axis of the ozone channels in sequence, the adjacent cavities are connected through connecting holes, the spaces of the plurality of cavities are different, and the spaces of the plurality of connecting holes are different; water enters the main body from the water inlet end, flows through the ozone channels communicated with the ozone module, and after the generation of ozone in the ozone module, the water carrying the ozone flows to the water outlet end along the ozone channels and finally flows out from the water outlet end; when the water flow enters the ozone channels from the water inlet end, the water flow will sequentially pass through the cavities and the connecting holes with different sizes, and the plurality of cavities and the connecting holes which are distributed along the axis of the channels and have different volumes will form a fluid path of "expansion-shrinkage", wherein the small connecting holes will accelerate the water flow (similar to the Venturi effect), form a high-speed jet flow, and at the same time generate a local negative pressure to promote the ozone bubbles to be sheared and broken into smaller bubbles, the large cavity space will make the water flow speed drop suddenly, the pressure will recover, and the turbulent flow and vortex flow will be formed, and the mixing of the high-speed jet flow and the low-speed vortex flow will intensify the contact and mixing of the water and the ozone, compared with the ordinary straight cylinder channel, the variable-diameter cavity structure can improve the ozone dissolving efficiency by 30%-50%; the device enables the water flow to pass through the inside of the main body through the arrangement of the ozone channels, and simultaneously realizes the generation of ozone and the mixing of ozone and water in the process of water flow, so that the continuous generation of ozone water can be realized, and the generation efficiency of ozone water is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the structures shown in these drawings without creative labor for those skilled in the art.

[0018] Figure 1 It is an external structure diagram of the over-flow ozone mixing device of the present application.

[0019] Figure 2 It is an explosion structure diagram of the over-flow ozone mixing device of the present application.

[0020] Figure 3 It is a cross-sectional structure diagram of the over-flow ozone mixing device of the present application along the center line.

[0021] Figure 4 It is a structure diagram of one half of the main body in the over-flow ozone mixing device of the present application.

[0022] BRIEF DESCRIPTION OF DRAWINGS:

[0023] 1, main body; 110, first part; 120, second part; 130, reinforcing rib; 140, ozone channel; 141, cavity; 142, connecting hole; 143, water inlet hole; 144, water outlet hole; 150, water inlet end; 160, water outlet end; 170, arc-shaped groove; 2, ozone module; 210, first electrode sheet; 220, second electrode sheet; 221, second through groove; 230, proton film; 231, first through groove; 240, power supply sheet; 241, third through groove; 242, connecting part; 3, fixing sleeve.

[0024] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly disposed on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0027] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that the technical solutions can be realized by those skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present application.

[0029] It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions for the implementation of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0030] Ozone gas is usually mixed with water to generate ozone water before use. The existing ozone generator usually needs to be placed in a container filled with water when in use. The water is electrolyzed to generate ozone gas, and the ozone gas is mixed with water by itself to form ozone water. However, this method has the problem of uneven mixing, and because the volume of the container is limited, the flow of ozone water generated at a time is also limited, resulting in low ozone water generation efficiency.

[0031] Therefore, the present application provides an overflow type ozone mixing device.

[0032] In the embodiments of the present application, reference is made to Figures 1 to 4 The overflow type ozone mixing device comprises a main body 1 (an electrolytic cell), two ends of the main body 1 are a water inlet end 150 and a water outlet end 160, a receiving groove is formed in the inside of the main body 1, an ozone module 2 for generating ozone is arranged in the inside of the receiving groove, two sides of the ozone module 2 correspondingly arranged in the inside of the main body 1 are parallel ozone channels 140, the ozone channels 140 are communicated with the ozone module 2, and two ends of the ozone channels 140 are communicated with the water inlet end 150 and the water outlet end 160; the ozone channels 140 comprise a plurality of cavities 141 distributed along the axis of the ozone channels 140 in sequence, the adjacent cavities 141 are connected through connecting holes 142, the space sizes of the plurality of cavities 141 are different, and the space sizes of the plurality of connecting holes 142 are different.

[0033] Reference Figure 3 , Figure 4 Water enters the main body 1 from the water inlet end 150, flows through the ozone channel 140 connected with the ozone module 2, and after ozone generation is completed in the ozone module 2, the water carrying ozone flows along the ozone channel 140 to the water outlet end 160, and finally flows out from the water outlet end 160; when the water flow enters the ozone channel 140 from the water inlet end 150, it will pass through cavities 141 and connecting holes 142 of different sizes in turn. The multiple cavities 141 and connecting holes 142 distributed along the channel axis will form a "expansion-contraction" fluid path for the water flow.

[0034] Specifically, the small-diameter connecting holes 142 will accelerate the water flow (similar to the Venturi effect), forming a high-speed jet flow, and at the same time generating a local negative pressure to promote the ozone bubbles to be sheared and broken into smaller bubbles; the larger cavities 141 space makes the water flow speed drop suddenly, the pressure recovers, and a turbulent flow and vortex flow are formed. The mixing of high-speed jet flow and low-speed vortex flow can intensify the contact and mixing of water and ozone; in addition, after the bubbles are broken into smaller sizes, the total surface area increases exponentially, accelerating the dissolution of ozone into water. In a turbulent state, the water flow forms a whirl in the cavity 141, prolonging the contact time of water and ozone. Compared with ordinary straight cylindrical channels, the variable-diameter cavity 141 structure can increase the ozone dissolution efficiency by 30%-50%.

[0035] In this embodiment, the cross sections of the cavities 141 and the connecting holes 142 are all semicircular structures; the water flow and ozone flow in the semicircular cavities 141 and connecting holes 142, and the semicircular structure makes the water flow and ozone flow more smooth, reduces the flow resistance, reduces energy loss, and improves the operating efficiency of the mixing device.

[0036] In this embodiment, the radii of the multiple cavities 141 gradually increase from the water inlet end 150 to the water outlet end 160, and the radii of the multiple connecting holes 142 gradually increase from the water inlet end 150 to the water outlet end 160; water flows in from the water inlet end 150, and as it flows through the cavities 141 and connecting holes 142 with gradually increasing radii, the water flow speed gradually slows down, and ozone has more time to mix with water, and finally flows out from the water outlet end 160; according to the principle of fluid mechanics, the water flow speed will decrease when the channel cross-sectional area increases. By gradually increasing the radii of the cavities 141 and connecting holes 142 from the water inlet end 150 to the water outlet end 160, the water flow speed is gradually reduced, thereby increasing the contact time of ozone and water and improving the mixing effect.

[0037] Specifically, the plurality of coaxial stepped semi-circular cavities 141 in the main body 1 gradually increase in diameter from the water inlet end 150 to the water outlet end 160, and the semi-circular connecting holes 142 gradually expanding are opened on the semi-circular chamber walls between adjacent cavities 141; when the ozone bubbles pass through, they will be gradually broken into micro-bubbles under the action of the gradually increasing cavities 141 and connecting holes 142, increasing the contact area of ozone and water, improving the dissolution efficiency by 2.5 times compared with the conventional mixing method; this design further improves the mixing degree of ozone and water, allowing more ozone to dissolve in water, increasing the concentration of ozone water, enhancing its sterilization, disinfection, oxidation and other functions, and better meeting the actual application requirements.

[0038] In this embodiment, a water inlet hole 143 is opened between the cavity 141 close to the water inlet end 150 and the water inlet end 150, and a water outlet hole 144 is opened between the cavity 141 close to the water outlet end 160 and the water outlet end 160. The radius of the water outlet hole 144 is the same as that of the water inlet hole 143, and a 45° chamfer is provided at the opening of the connecting hole 142 and the water outlet hole. Water enters the cavity 141 close to the water inlet end 150 directly from the water inlet end 150, then passes through each cavity 141 and connecting hole 142 in turn, and finally flows out of the main body 1 through the water outlet hole 144 in the cavity 141 close to the water outlet end 160. The water inlet end 150 is directly communicated with the cavity 141, facilitating the rapid flow of water into the ozone channel 140, and the water outlet hole 144 ensures that the water flow can smoothly flow out of the ozone channel 140. The chamfer has a certain guiding effect on the water flow.

[0039] In this embodiment, the main body 1 is a cylindrical structure, and the main body 1 is symmetrically divided into a first part 110 and a second part 120 with a semi-circular cross section with the ozone module 2 as the center. The main body 1 as a cylindrical structure provides accommodation space for the ozone module 2, ozone channel 140, etc. inside, facilitating uniform distribution of water flow and ozone inside. The two parts symmetrically centered on the ozone module 2 can make the ozone generated evenly diffuse to both sides of the ozone channel 140, which is conducive to the equal entry of ozone into both sides of the ozone channel 140, ensuring the consistency of the mixing effect. In addition, the device structure is more compact and reasonable, facilitating manufacturing and installation, while helping to improve the uniformity of ozone and water mixing, enhance the overall mixing effect, and the cylindrical appearance is also conducive to connection with other pipelines or equipment.

[0040] In the embodiment, the outer side of the main body 1 is sleeved with a fixing sleeve 3 near two ends, respectively, and an annular reinforcing rib 130 is arranged between the two fixing sleeves 3 on the main body 1, the reinforcing rib 130 is integrally formed with the main body 1, and the two fixing sleeves 3 are arranged at the two ends of the reinforcing rib 130, respectively; the fixing sleeve 3 is sleeved at the two ends of the outer side of the main body 1, the reinforcing rib 130 limits the position of the fixing sleeve 3, and prevents axial movement of the fixing sleeve 3; during installation, the fixing sleeve 3 is installed at the two ends of the main body 1, and is arranged at the two ends of the reinforcing rib 130, thereby playing a fixing and positioning role; the structural stability and reliability of the device are improved, and the installation and fixing of the device are facilitated.

[0041] In the embodiment, the ozone module 2 comprises a first electrode sheet 210, two proton membranes 230 (proton exchange membranes) are arranged in close contact on the two sides of the first electrode sheet 210, two second electrode sheets 220 are arranged in close contact on the other sides of the two proton membranes 230, respectively, and two power supply sheets 240 are arranged in close contact on the other sides of the two second electrode sheets 220, respectively; an external power supply supplies power to the power supply sheets 240, and current is transmitted to the first electrode sheet 210 through the power supply sheets 240, the second electrode sheets 220 and the proton membranes 230; under the action of the electrode sheets and the proton membranes 230, oxygen undergoes an electrochemical reaction to generate ozone, and the generated ozone enters the ozone channel 140 to mix with water; the first electrode sheet 210 and the second electrode sheet 220 are both BDD electrode sheets; the two second electrode sheets 220 participate in the electrochemical reaction as the main reaction zone for ozone generation, the two proton membranes 230 play a role in conducting ions and separating electrodes, and the first electrode in the middle acts as a common electrode, so that the current is uniformly distributed and the edge effect commonly seen in parallel structures is avoided, thereby improving the stability and efficiency of ozone generation and ensuring the smooth progress of the electrochemical reaction.

[0042] In the embodiment, a plurality of first through grooves 231 are uniformly arranged on the side surface of the proton membrane 230 along a straight line, a second through groove 221 is arranged on the side surface of the second electrode sheet 220 corresponding to the first through groove 231, and a third through groove 241 is arranged on the side surface of the power supply sheet 240 corresponding to the first through groove 231; when the water flow and the ozone flow in the ozone channel 140, they will pass through the through grooves on the proton membrane 230, the second electrode sheet 220 and the power supply sheet 240; this design allows local water penetration to the electrode surface to participate in the reaction, limits large-area free flow, maintains the humidity of the reaction zone, and provides an escape channel for ozone gas, thereby balancing the relationship between water penetration and ozone escape; the arrangement of the through grooves increases the contact area of the proton membrane 230, the electrode sheet and the water flow and the ozone, which is conducive to the electrochemical reaction and the diffusion of ozone; the corresponding through grooves on different components can form a more complex flow path for the water flow and the ozone in the channel, thereby promoting mixing and reaction.

[0043] Specifically, the proton membrane 230 not only plays a role in separating the anode and cathode reaction zones, but also allows H+ to migrate from the anode reaction zone to the cathode reaction zone, maintains charge balance, and ensures the continuous progress of the electrochemical reaction; Its through slot design matches the through slot of the second electrode sheet 220 and the power supply sheet 240, balances water permeation and gas escape, and provides a suitable humidity and fluid environment for the reaction zone.

[0044] Specifically, when the ozone module 2 is powered on, the anode-side current supplies power to the anode-side second electrode sheet 220 through the anode-side power supply sheet 240; At this time, the surface of the second electrode sheet 220 generates an ozone generation reaction, and the generated H+ migrates to the first electrode sheet 210 through the opening of the proton membrane 230; Specifically, the ion conducts across the proton exchange membrane, and the opening of the proton membrane allows H+ to pass from the anode-side second electrode sheet to the surface of the first electrode sheet; The first electrode sheet itself does not directly participate in the electrochemical reaction, but as an intermediate layer in the electric field, its surface is positively charged due to the arrival of H+, forming a potential gradient with the second electrode sheet on the cathode side; The electrons flow from the first electrode sheet (equivalent to a "virtual cathode") to the second electrode sheet on the cathode side through the external circuit; The cathode-side current outputs current from the first electrode sheet → the proton membrane → the second electrode sheet on the cathode side → the power supply sheet, completing the loop.

[0045] Anode reaction (surface of the second electrode sheet on the anode side): At the anode, water molecules (H2O) are adsorbed on the surface of the second electrode and lose electrons, and an oxidation reaction occurs: Water molecule adsorption: H2O→H2O(adsorption);

[0046] Hydroxyl radical formation: H2O(adsorption)-e-→·OH+H+;

[0047] Ozone generation: 3·OH→O3+3H+;

[0048] Cathode reaction (surface of the second electrode sheet on the cathode side): At the cathode, protons (H+) receive electrons and undergo a reduction reaction to generate hydrogen gas:

[0049] 2H++2e-→H2↑

[0050] It should be noted that when the ozone module is used for a period of time, scale (mainly CaCO3, etc.) will be deposited on the surface of the electrode; In order to remove the scale, the polarity of the power supply can be periodically switched, specifically by changing the original anode to a cathode and changing the cathode to an anode; On the surface of the new anode, water is electrolyzed to produce H+, which reacts with CaCO3 in the scale:

[0051] CaCO3+2H+→Ca 2+ +CO2↑+H2O,

[0052] The scale is dissolved and falls off; on the new cathode surface, the hydrogen evolution reaction occurs, and the hydrogen gas bubbles generated also help to scour the electrode surface, further removing the scale, thereby achieving dynamic descaling and prolonging the service life of the electrode.

[0053] Ozone generation:

[0054] Water molecule adsorption: water molecules (H2O) are adsorbed on the electrode surface to form adsorbed water molecules H2O (adsorption), which provide conditions for subsequent electrochemical reactions; hydroxyl radical (·OH) formation: adsorbed water molecules lose electrons and undergo oxidation to generate highly active hydroxyl radicals (·OH) and H+, and the reaction formula is:

[0055] H2O (adsorption) - e-→ ·OH + H+;

[0056] Hydroxyl radical is a strong oxidizing agent and is a key intermediate product for generating ozone; ozone generation: multiple hydroxyl radicals react and combine to generate ozone; the specific reaction formula is:

[0057] 3·OH→O3+3H+,

[0058] That is, three hydroxyl radicals react to generate one ozone molecule and three hydrogen ions.

[0059] In this embodiment, the first through groove 231, the second through groove 221, and the third through groove 241 are all rectangular structures, and the long sides of the first through groove 231, the second through groove 221, and the third through groove 241 are all perpendicular to the axis of the ozone channel 140, the widths of the first through groove 231 and the third through groove 241 are both greater than the width of the second through groove 221; the design of the long side perpendicular to the axis is conducive to lateral diffusion of the fluid and improves the mixing effect; the through grooves with different widths can produce different resistances to the water flow and the ozone flow, thereby adjusting their flow states in the channel and further optimizing the mixing and reaction processes.

[0060] In this embodiment, the fixing sleeve 3 is made of a conductive material, which can be stainless steel, aluminum alloy, copper alloy, etc., and the two fixing sleeves 3 are respectively electrically connected with an external power source, and the two power supply pieces 240 are each provided with a connecting portion 242 extending out of the main body 1, the connecting portion 242 is an elastic arc-shaped structure, and the two connecting portions 242 are respectively used to contact the inner sides of the corresponding fixing sleeves 3; the external power source is connected with the fixing sleeve 3, the fixing sleeve 3 conducts current to the connecting portion 242 of the power supply piece 240, and the connecting portion 242 is an elastic arc-shaped structure, which can ensure good electrical contact with the fixing sleeve 3 at all times through elastic deformation, thereby ensuring the stability of current transmission.

[0061] Specifically, arcuate grooves 170 are provided on the outer surfaces of the first part 110 and the second part 120 of the main body 1 at positions corresponding to the connecting portion 242 . The arcuate grooves 170 are used to accommodate the connecting portion 242 so that the fixing sleeve 3 can fit tightly when it is mounted on the outer side of the main body 1 .

[0062] The technical solution of the present application is to set up a main body, the two ends of the main body are respectively a water inlet end and a water outlet end, an ozone module for generating ozone is set inside the main body, and ozone channels parallel to each other are respectively set on both sides of the corresponding ozone module inside the main body, the ozone channel is communicated with the ozone module, and the two ends of the ozone channel are respectively communicated with the water inlet end and the water outlet end, and the ozone channel includes a plurality of cavities distributed in sequence along the axis of the ozone channel, and adjacent cavities are connected by connecting holes, and the space sizes of the plurality of cavities are different, and the space sizes of the plurality of connecting holes are different; water enters the main body from the water inlet end, flows through the ozone channel communicated with the ozone module, and after ozone generation is completed in the ozone module, the water carrying ozone flows along the ozone channel to the water outlet end, and finally flows out from the water outlet end; when the water flow enters the ozone channel from the water inlet end, it will pass through cavities of different sizes in sequence and connecting holes, multiple cavities and connecting holes of different volumes distributed along the axis of the channel will form an "expansion-contraction" fluid path for the water flow, among which the small-aperture connecting holes will accelerate the water flow speed (similar to the Venturi effect), forming a high-speed jet, and at the same time generate local negative pressure, prompting the ozone bubbles to be sheared and broken into smaller bubbles. The larger cavity space causes the water flow speed to drop sharply, the pressure to recover, and turbulence and vortexes to form. The mixing of high-speed jets and low-speed vortices will intensify the contact and mixing of water and ozone. Compared with ordinary straight channels, the variable diameter cavity structure can increase the ozone dissolution efficiency by 30%-50%; the device allows water to pass through the inside of the main body by setting an ozone channel, and realizes the generation of ozone and the mixing of ozone and water simultaneously during the flow of water, which can realize the continuous generation of ozone water and effectively improve the generation efficiency of ozone water.

[0063] The technical solution of this application has the following specific advantages:

[0064] Highly efficient ozone dissolution rate: The design of stepped semi-cylindrical cavity and gradually expanding connecting holes breaks ozone bubbles into microbubbles step by step, significantly increasing the gas-liquid contact area and raising the ozone dissolution rate in water to over 80%, far higher than the less than 30% of traditional corona discharge ozone generators. No additional aeration device is required, simplifying the equipment structure and improving the utilization efficiency of ozone.

[0065] Instant treatment of flowing water: This device features a flow-through structure. Water enters through the water inlet and flows directly through the ozone channel and ozone module within the main unit, generating ozone in real time and mixing it with water. The treated water is then discharged directly through the outlet, eliminating the need for a water storage container. This design is suitable for flowing water applications, such as faucets and pipes, enabling instant, ready-to-use ozone water treatment, meeting modern society's demand for convenient and efficient water treatment.

[0066] Long electrode life: The reverse polarity descaling mechanism is adopted, and the anode and cathode are periodically switched. The scale on the electrode surface is dissolved by using electrochemical effect, effectively solving the problem of electrode performance degradation caused by scale in traditional electrolytic ozone modules. Tests show that the electrode life of the module can be extended to more than 5000 hours, which is significantly longer than the less than 2000 hours of traditional electrodes, reducing the frequency and cost of equipment maintenance.

[0067] Low energy consumption and simple structure: The series design of three BDD electrode pieces makes the current distribution uniform, reducing energy loss. The energy consumption is as low as less than 50W / g O3, which is lower than the more than 100W / g O3 of corona discharge type, with obvious energy-saving advantage. At the same time, the module structure is compact, without the need for complex components such as auxiliary pumps and gas-liquid separators, reducing the volume and failure rate of the equipment, and improving the stability and reliability of the system.

[0068] Wide application adaptability: The module can be flexibly applied to household ozone faucet, industrial pipeline disinfection, aquaculture circulating water purification and other scenarios. In the family, it can be used for sterilization, pesticide residue removal, and provide safe drinking water and washing water; in industry, it can disinfect flowing water in the pipeline in real time to ensure the safety of industrial water; in aquaculture, it can be used with water pump to effectively purify circulating water and reduce disease occurrence, and the reverse polarity descaling function can significantly reduce scale deposition and maintain long-term stable operation of the system.

[0069] Application scenario examples:

[0070] Household ozone faucet: The device is integrated inside the water outlet of the faucet. When the faucet is turned on, the water flow enters the main body tangentially, generates ozone in the electrode reaction zone, and then discharges from the water outlet after mixing with water. When the working voltage is 12V, the current is 5A, and the water flow speed is 1L / min, the ozone water concentration generated can reach 1-2ppm, which can be used for cleaning vegetables and fruits to remove pesticide residues, and can also be used for washing hands and face to kill bacteria and disinfect.

[0071] Industrial pipeline disinfection: The device is installed in series in the industrial water supply pipeline. According to the diameter of the pipeline and the water flow demand, multiple modules can be used in parallel. When the water flow passes through the module at a speed of 5L / min, the ozone concentration can be maintained at 0.5ppm, effectively killing bacteria, viruses and other microorganisms in the pipeline, achieving real-time disinfection of industrial water. The reverse polarity descaling function of the module can be automatically executed once a day to ensure that there is no serious scale deposition on the electrode surface during long-term operation, maintaining stable disinfection effect.

[0072] Aquaculture circulating water: In the aquaculture system, the device is connected with the water pump and installed on the circulating water pipeline. When the water flows through the main body, ozone is generated to disinfect and sterilize the circulating water and improve water quality. The daily reverse polarity can reduce the deposition of water scale by 90%, avoiding the blockage of the pipeline and affecting the performance of the electrode. The high efficiency and low energy consumption of the module can ensure the quality of the aquaculture water while reducing the operating cost.

[0073] In other embodiments, in order to increase the ozone production by increasing the number of electrode stacks while maintaining the structural rationality and functional integrity of the device, the original design needs to be systematically optimized. The following is a specific multi-layer stacking scheme, covering assembly process, structure improvement and key parameter design:

[0074] I. Design principles of stacked structure

[0075] Electrode-membrane unit scalability

[0076] Basic unit: 1 piece of conventional BDD electrode sheet (first electrode sheet) + 2 pieces of perforated BDD electrode sheet (second electrode sheet) + 2 pieces of proton exchange membrane, forming a complete circuit;

[0077] Expansion logic: Each additional basic unit increases ozone production rate by about 80% (theoretical value), but needs to balance water flow resistance and voltage demand;

[0078] Interlayer conduction and sealing requirements: All BDD electrode sheets need to be parallel with a spacing of ≤1mm (determined by the thickness of the proton exchange membrane); only the outermost electrodes are connected, and the middle electrodes are automatically powered through ion conduction + electric field coupling;

[0079] Fluid channel optimization: The stepped design of the semi-cylindrical cavity needs to be extended longitudinally (increase the number of cavities and connecting holes) to avoid excessive water flow pressure drop due to the increase in the number of layers.

[0080] II. Specific stacking method and assembly process

[0081] Symmetrical multi-layer stacking:

[0082] Structure composition (take 5 layers of electrodes as an example): electrolytic cell A (one half of the main body) → power supply sheet (anode) → perforated BDD electrode sheet (1) → proton exchange membrane (1) → conventional BDD electrode sheet (2) → proton exchange membrane (2) → perforated BDD electrode sheet (3) → proton exchange membrane (3) → conventional BDD electrode sheet (4) → proton exchange membrane (4) → perforated BDD electrode sheet (5) → power supply sheet (cathode) → electrolytic cell B (the other half of the main body);

[0083] Assembly steps:

[0084] Base layer: Put the anode into the holding tank of electrolytic cell A; Stack the open BDD electrode sheet (1), proton exchange membrane (1), and conventional BDD electrode sheet (2) in order;

[0085] Repeating unit: Continue to stack the proton exchange membrane (2), open BDD electrode sheet (3), and so on until the fifth layer of electrode;

[0086] Termination layer: Finally, place the cathode into the holding tank of electrolytic cell B, and ensure that all membranes and electrode edges are aligned;

[0087] Fixing: Press the stack with a fixing sleeve, and the cantilever (connection part) of the electrode sheet is in contact with the inner wall of the fixing sleeve for conduction.

[0088] Three, key structural improvements

[0089] Electrolytic cell enhancement design, lengthening longitudinal grooves: accommodate more electrode layers (e.g., from original 4 cavities to 6 cavities, with a 50% increase in length); reinforcement rib reinforcement: add a transverse semicircular reinforcement rib every 3 layers of electrodes to prevent deformation.

[0090] Electrode sheet optimization, double-cantilever (connection part) electrode sheet: the electrode sheet of the middle layer electrode adopts an "H-type" design, with two cantilevers at both ends connected to two fixing sleeves; material upgrade: replace the titanium-plated platinum electrode sheet to withstand higher current (>5A / cm 2 ).

[0091] Fluid dynamics adjustment, cavity gradient optimization: the diameter of the first-stage cavity (near the water inlet end) is reduced to 3mm (to enhance initial bubble breaking), and the diameter of the last-stage cavity (near the water outlet end) is expanded to 25mm (to reduce pressure drop); flow guide fins: add spiral fins to the inner wall of the electrolytic cell to promote turbulent mixing.

[0092] Four, electrochemical performance prediction

[0093]

[0094] Table 1: Electrochemical performance prediction

[0095] Five, implementation considerations

[0096] Number of electrode layers: no more than 7 layers, as more than 7 layers will result in: voltage requirement exceeding the safe range (>24V), and significant increase in water flow resistance (pressure drop >30kPa, requiring a booster pump);

[0097] Maintenance compatibility: the frequency of electrode reversal for scale removal needs to be increased to twice a week (multi-layer structure is more prone to scale accumulation), and a quick-release metal round pipe design is adopted for easy disassembly and cleaning;

[0098] Cost trade-off: for every additional layer of electrode, the material cost increases by about 35%, but the unit ozone energy consumption decreases by 12%.

[0099] Six, application scenario example

[0100] Industrial ozone water system: 5 layers of stacked modules x 4 parallel, processing capacity 20m 3 / h, ozone concentration 4ppm, used for food factory pipeline disinfection.

[0101] Home high-end ozone faucet: 3 layers of stacked mini version, integrated in the faucet, instant generation of 0.8ppm ozone water, service life 5 years.

[0102] Multi-layer stacked BDD ozone module can significantly improve ozone production within controllable volume and energy consumption range, while retaining dynamic mixing and self-cleaning advantages. In actual application, the best number of layers configuration should be selected according to power capacity, water flow conditions and cost requirements.

[0103] The above is only an optional embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A overflow ozone mixing device, characterized in that: include: A main body, wherein the two ends of the main body are respectively a water inlet end and a water outlet end, an ozone module for generating ozone is arranged inside the main body, and ozone channels parallel to each other are respectively arranged on both sides of the ozone module inside the main body, the ozone channels are communicated with the ozone module, and the two ends of the ozone channels are respectively communicated with the water inlet end and the water outlet end; The ozone channel includes a plurality of cavities distributed in sequence along the axis of the ozone channel, adjacent cavities are connected by connecting holes, the spaces of the plurality of cavities are different in size, and the spaces of the plurality of connecting holes are different in size.

2. The overflow ozone mixing device according to claim 1, characterized in that: The cross sections of the cavity and the connecting hole are both semicircular structures.

3. The overflow ozone mixing device according to claim 2, characterized in that: The radius sizes of the plurality of cavities increase sequentially from the water inlet end to the water outlet end, and the radius sizes of the plurality of connecting holes increase sequentially from the water inlet end to the water outlet end.

4. The overflow ozone mixing device according to claim 1, characterized in that: A water inlet hole is provided between the cavity close to the water inlet end and the water inlet end, and a water outlet hole is provided between the cavity close to the water outlet end and the water outlet end.

5. The overflow ozone mixing device according to claim 1, characterized in that: The main body is a cylindrical structure, and is symmetrically divided into a first part and a second part with a semicircular cross section with the ozone module as the center.

6. The overflow type ozone mixing device according to claim 5, characterized in that: The outer side of the main body is respectively provided with fixing sleeves near both ends. An annular reinforcing rib is provided on the main body between the two fixing sleeves. The reinforcing rib is integrally formed with the main body, and the two fixing sleeves are respectively against both ends of the reinforcing rib.

7. The overflow ozone mixing device according to claim 6, characterized in that: The ozone module includes a first electrode sheet, proton membranes are respectively provided on both sides of the first electrode sheet, second electrode sheets are respectively provided on the other sides of the two proton membranes, and power feeding sheets are respectively provided on the other sides of the two second electrode sheets.

8. The overflow type ozone mixing device according to claim 7, characterized in that: The proton membrane has a plurality of first through-grooves evenly arranged along a straight line on its side surface, the second electrode sheet has a second through-grooves corresponding to the first through-grooves on its side surface, and the power feeding sheet has a third through-grooves corresponding to the first through-grooves on its side surface.

9. The overflow type ozone mixing device according to claim 8, characterized in that: The first through groove, the second through groove and the third through groove are all rectangular structures, and the long sides of the first through groove, the second through groove and the third through groove are perpendicular to the axis of the ozone channel, and the widths of the first through groove and the third through groove are greater than the width of the second through groove.

10. The overflow type ozone mixing device according to claim 7, characterized in that: The fixing sleeve is a structure made of conductive material. The two fixing sleeves are respectively used to electrically connect to an external power supply. The two power supply plates are both provided with a connecting portion extending outside the main body. The connecting portion is an elastic arc-shaped structure. The two connecting portions are respectively used to contact the inner side of the corresponding fixing sleeve.

Images