Ozone water preparation device

Abstract

The ozone water preparation device comprises an ozone generation device, a constant pressure tank, an ozone water preparation tank and a water supply device, the ozone water preparation tank comprises a tank body, a water inlet and a water outlet are formed in the lower end of the tank body, the water inlet is connected with the water supply device, a water inlet control valve is installed at the water inlet, and a water outlet control valve is installed at the water outlet. The air inlet control valve is closed, the water inlet control valve is opened, the water outlet control valve is closed, the communication control valve is opened, water is introduced into the tank body through the water supply device, the movable piston plate is pushed to move upwards through water pressure, and therefore ozone and water are mixed and dissolved through the communication pipe. According to the ozone water preparation device provided by the invention, the preparation of ozone water is completely performed in the sealed ozone water preparation tank, the volume of the cavity of the ozone water preparation tank is fixed, and the pressure of ozone is regulated to be constant through the pressure control valve, so that the amount of ozone and water introduced each time is fixed, and the concentration of the prepared ozone water can be better controlled.

Description

Technical Field

[0001] The invention relates to the technical field of ozone water dissolution, and in particular to an ozone water preparation device. Background Art

[0002] Ozone (O3) is a highly oxidizing gas and is often used as a bactericide. Ozone is an allotrope of oxygen (O2). At room temperature, it is an unstable lavender gas with a pungent fishy smell. It has a very strong oxidizing ability, and its redox potential in water is 2.107 V, second only to fluorine (2.187 V) and higher than chlorine (1.136 V) and chlorine dioxide (1.15 V). Ozone can destroy the cell walls and cell membranes of bacteria, viruses and other microorganisms, affecting their normal physiological functions, thereby achieving a bactericidal effect.

[0003] At present, ozone is widely used to remove organic matter, inorganic matter, chromaticity, turbidity and other pollutants in water, purify water quality, oxidize and decompose harmful gases and odors in the air, purify the air, kill bacteria, viruses and mold in food, extend the shelf life of food, inhibit mold growth, prevent decay, and have a fresh-keeping effect to prevent aging. It can also be used for sterilization and disinfection in hospitals, laboratories, pharmaceuticals and other fields. When ozone is used to treat hospital sewage, all viruses can be killed within a few minutes, which is 200 to 3000 times faster than the same amount of chlorine. Ozone has a fast sterilization speed and obvious effect. Ozone can kill many types of microorganisms, including bacteria, viruses, fungi, etc. After decomposition in water, it will turn into oxygen again without leaving harmful residues. Because its mechanism of action is different from that of traditional antibiotics, microorganisms are not easy to develop resistance to it. As a highly efficient bactericide, ozone has broad application prospects in many fields. By reasonably controlling the concentration and contact time of ozone, its powerful bactericidal ability can be effectively utilized, while also paying attention to its possible negative impact on human body and equipment.

[0004] Compared with simple ozone sterilization, dissolving ozone in water to prepare ozone water can provide better sterilization effect. The ozone molecules in ozone water can directly contact with microorganisms in the water, oxidize and destroy their cell walls and cell membranes, thereby achieving the sterilization effect. Compared with direct ozone sterilization, ozone in water can directly contact with microbial cells, while ozone in the air needs to be dissolved in the water on the surface of microorganisms before it can work.

[0005] However, ozone water with too high or too low concentration will bring some adverse effects. High concentration ozone water is highly volatile and can cause damage to the human body. High concentration ozone water is highly corrosive and can easily damage containers and equipment. High concentration ozone water requires more raw materials (oxygen or air) and energy consumption, which increases production costs. Too high a concentration will also increase the cost of equipment maintenance and replacement. Therefore, the use of ozone water needs to determine the appropriate concentration range based on specific application scenarios and goals.

[0006] Currently, ozone water is prepared by simply passing ozone prepared by an ozone generator into water to allow the ozone to naturally dissolve in water. There is no way to accurately control the concentration of the prepared ozone water. Summary of the invention

[0007] In view of the above-mentioned problems and shortcomings, the present invention provides an ozone water preparation device which utilizes mechanical and pressure principles to achieve effective mixing of ozone and water, ensures uniform mixing and safe discharge of ozone water by precisely controlling the opening and closing sequence of valves, and ensures that the concentration of ozone water can be controlled.

[0008] The solution adopted by the present invention to solve its technical problem is: an ozone water preparation device, including an ozone generator, a constant pressure tank, an ozone water preparation tank and a water supply device, wherein the ozone generator is connected to the constant pressure tank, the constant pressure tank and the water supply device are respectively connected to the ozone water preparation tank, the ozone generator generates ozone and transports it for storage in the constant pressure tank, and the water supply device provides a stable water pressure supply.

[0009] The ozone water preparation tank comprises a tank body, an air intake control valve and a pressure control valve are arranged on the upper end of the tank body, wherein the air intake control valve and the pressure control valve are respectively connected to the constant pressure tank and the ozone water preparation tank, a moving piston plate is arranged inside the tank body, and the tank body is divided into an upper and lower part by the moving piston plate, a connecting pipe is arranged between the upper and lower parts, and a check valve and a connecting control valve are arranged on the connecting pipe.

[0010] The air intake control valve is connected to the constant pressure tank, and the ozone is controlled to enter the ozone water preparation tank through the air intake control valve. The ozone pushes the moving piston plate in the tank body to move downward, so that a certain amount of ozone gas is rushed into the tank body.

[0011] A water inlet and a water outlet are provided at the lower end of the tank body. The water inlet is connected to a water supply device. A water inlet control valve is installed at the water inlet, and a water outlet control valve is installed at the water outlet. After ozone is filled into the tank body, the air inlet control valve is closed, the water inlet control valve is opened, the water outlet control valve is closed, and the connecting control valve is opened. Water is introduced into the tank body through the water supply device, and the piston plate is pushed upward by the water pressure, so that the ozone is mixed and dissolved with the water through the connecting pipe.

[0012] The pressure control valve is used to control the pressure on the upper part of the tank. When the water-driven piston plate moves, ozone mixes with water through the connecting pipe, and the pressure on the upper part of the tank increases. When the pressure exceeds the limit pressure set by the pressure control valve, the pressure control valve opens, and excess ozone flows back to the constant pressure tank through the pressure control valve.

[0013] After the upper ozone is discharged, the air inlet control valve opens, the water outlet control valve opens, the water inlet control valve closes, and the connecting control valve closes. The ozone in the constant pressure tank enters the upper part of the ozone water preparation tank through pressure. The ozone provides pressure to push the piston plate to discharge the prepared ozone water out of the tank, thereby completing the preparation of ozone water of corresponding concentration.

[0014] Furthermore, a plurality of vertical guide grooves are arranged in the tank body of the ozone water preparation tank, and corresponding protruding guide blocks are arranged on the outer edge of the movable piston plate, and the guide block sealing sleeve is inserted into the guide groove, so that the movable piston plate moves vertically up and down along the guide groove.

[0015] Furthermore, a cavity is provided inside the pressure control valve, and a sealing block, a spring and a baffle are provided in the cavity, wherein the sealing block blocks the lower opening of the cavity, the baffle is located at the upper opening of the cavity, a through hole is provided in the middle of the baffle, the outer diameter of the sealing block is smaller than the inner diameter of the cavity, and the diameter of the lower opening is smaller than the outer diameter of the sealing block, so that the sealing block can completely close the lower opening, and a spring is installed between the sealing block and the baffle, and the sealing block is pressed against the lower opening by the spring, and when the pressure in the tank body is greater than the thrust of the spring, the tank body releases pressure into the constant pressure tank through the pressure control valve.

[0016] Furthermore, the air intake control valve, water intake control valve, water outlet control valve and connection control valve are all solenoid valves.

[0017] Furthermore, the ozone water preparation device includes multiple ozone water preparation tanks, which are connected in series as a group through pipelines, and an inlet control valve or an outlet control valve is installed between adjacent ozone water preparation tanks, and multiple groups of ozone water preparation tanks are arranged in parallel.

[0018] Beneficial effects of the present invention: The ozone water preparation device provided by the present invention is completely in a sealed ozone water preparation tank for the preparation of ozone water. The volume of the ozone water preparation tank cavity is fixed, and the pressure of ozone is adjusted to be constant through a pressure control valve, so that the amount of ozone and water introduced each time is fixed, and the concentration of ozone water preparation can be better controlled. Excess undissolved ozone is fed back to the constant pressure tank through the pressure control valve to avoid the waste of open ozone discharge, improve the utilization rate of ozone, and reduce the production cost of ozone water preparation; the ozone is sealed to avoid pollution to the environment, prevent direct inhalation or long-term contact of workers, and ensure the safe use of ozone water.

[0019] The air inlet control valve, water inlet control valve, water outlet control valve and connecting control valve all use solenoid valves, which can be program-controlled by PLC (programmable logic controller) or microprocessor to realize automated production process.

[0020] The design of the pressure control valve can effectively prevent safety hazards caused by excessive pressure. When the pressure in the tank exceeds the preset value, the excess pressure can be released back to the constant pressure tank through the pressure control valve, ensuring the safety of the system. Through the design of the pressure control valve, unused ozone can be redirected back to the constant pressure tank, thus avoiding the waste of ozone.

[0021] The moving piston plate not only acts as a partition, but also plays a metering role, ensuring that the volume of ozone water prepared each time is consistent, improving production efficiency. By controlling the amount of ozone and water entering the tank, the concentration of the final ozone water can be accurately adjusted to ensure the consistency of the ozone water concentration. Multiple ozone water preparation tanks are connected in series into a group, and multiple groups can be set up for parallel operation. The production capacity can be flexibly adjusted according to actual needs. Each ozone water preparation tank is an independent unit, which is easy to maintain and replace, and also convenient for future expansion or upgrades. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a cross-sectional view of the ozone water preparation tank; Figure 3 It is a schematic diagram of the cross-sectional structure of the pressure control valve; Figure 4 This is a schematic diagram of the internal structure of the ozone water preparation tank; Figure 5 It is a schematic diagram of the upper and lower chambers of the ozone water preparation tank; Figure 6 This is a schematic diagram of the ozone water preparation process.

[0023] Numbers in the figure: ozone generator 1, constant pressure tank 2, water supply device 3, ozone water preparation tank 4, water inlet 41, water outlet 42, water inlet control valve 43, water outlet control valve 44, connecting pipe 45, air intake control valve 46, pressure control valve 47, check valve 48, connecting control valve 49, moving piston plate 401, guide groove 402, blocking block 471, spring 472, baffle 473, ozone chamber 403, mixing chamber 404. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below.

[0025] Example 1: Figure 1As shown, the present invention provides an ozone water preparation device, including an ozone generator 1, a constant pressure tank 2, an ozone water preparation tank 4 and a water supply device 3, the ozone generator is used to generate ozone gas, the constant pressure tank 2 stores and maintains the pressure stability of the ozone gas, the ozone water preparation tank 4 completes the mixing of ozone and water, and the water supply device 3 provides water to the ozone water preparation tank 4.

[0026] like Figure 4 and 5 As shown, the ozone water preparation tank 4 includes a tank body, an air intake control valve 46 and a pressure control valve 47 are arranged on the upper end of the tank body, a movable piston plate 401 is arranged inside the tank body, and the tank body is divided into two upper and lower parts, an ozone chamber 403 and a mixing chamber 404, by the movable piston plate 401, a connecting pipe 45 is arranged between the ozone chamber 403 and the mixing chamber 404, and a check valve 48 and a connecting control valve 49 are arranged on the connecting pipe 45.

[0027] The air intake control valve 46 is connected to the constant pressure tank 2, and the ozone is controlled to enter the ozone water preparation tank 4 through the air intake control valve 46. The ozone pushes the moving piston plate 401 in the tank body to move downward, so that a certain amount of ozone gas is rushed into the tank body.

[0028] like Figure 2 As shown, a plurality of vertical guide grooves 402 are arranged in the tank body of the ozone water preparation tank 4, and corresponding protruding guide blocks are arranged on the outer edge of the movable piston plate 401, and the guide block sealing sleeve is inserted into the guide groove 402, so that the movable piston plate 401 moves vertically up and down along the guide groove 402.

[0029] A water inlet 41 and a water outlet 42 are provided at the lower end of the tank body. The water inlet 41 is connected to the water supply device 3. The water inlet 41 is installed with a water inlet control valve 43, and the water outlet 42 is installed with a water outlet control valve 44. After ozone is flushed into the tank body, the air inlet control valve 46 is closed, the water inlet control valve 43 is opened, the water outlet control valve 44 is closed, and the connecting control valve 49 is opened. Water is introduced into the tank body through the water supply device 3, and the piston plate 401 is pushed upward by the water pressure, so that the ozone is mixed and dissolved with the water through the connecting pipe 45.

[0030] The pressure on the upper part of the tank body is controlled by the pressure control valve 47. When the water-driven piston plate 401 moves, ozone is mixed with water through the connecting pipe 45. At the same time, the pressure on the upper part of the tank body increases. When the pressure exceeds the limit pressure set by the pressure control valve 47, the pressure control valve 47 opens, and excess ozone flows back to the constant pressure tank 2 through the pressure control valve 47.

[0031] The pressure control valve 47 has various structural forms, such as a pressure relief valve on a pressure cooker, etc. By setting a corresponding counterweight on the pressure relief port, the pressure in the tank body is controlled by the counterweight. When the pressure exceeds the counterweight, the ozone pushes the counterweight to release the pressure and discharges the ozone into the constant pressure tank 2, thereby realizing the recycling of ozone, reducing production costs, and improving ozone utilization. At the same time, it avoids air pollution caused by ozone emissions and improves production safety.

[0032] Specifically, the present invention provides a Figure 3 The pressure control valve 47 shown in the figure has a cavity arranged inside the pressure control valve 47, in which a blocking block 471, a spring 472 and a baffle 473 are arranged, wherein the blocking block 471 blocks the lower opening of the cavity, the baffle 473 is located at the upper opening of the cavity, a through hole is arranged in the middle of the baffle 473, the outer diameter of the blocking block 471 is smaller than the inner diameter of the cavity, and the diameter of the lower opening is smaller than the outer diameter of the blocking block 471, so that the blocking block 471 can completely close the lower opening, and a spring 472 is installed between the blocking block 471 and the baffle 473, and the blocking block 471 is pressed against the lower opening by the spring 472, and when the pressure in the tank body is greater than the thrust of the spring 472, the tank body releases pressure to the constant pressure tank 2 through the pressure control valve 47.

[0033] Different springs 472 are provided to provide different elastic forces, and the ozone pressure in the tank can be controlled as required during use.

[0034] After the upper ozone is discharged, the air inlet control valve 46 is opened, the water outlet control valve 44 is opened, the water inlet control valve 43 is closed, and the connecting control valve 49 is closed. The ozone in the constant pressure tank 2 enters the upper part of the ozone water preparation tank 4 through pressure, and the ozone provides pressure to push the piston plate 401 to discharge the prepared ozone water from the tank body, thereby completing the preparation of ozone water of corresponding concentration.

[0035] The air intake control valve 46 , the water intake control valve 43 , the water outlet control valve 44 and the communication control valve 49 are all solenoid valves.

[0036] like Figure 6 As shown in the figure, the specific working process is as follows: Ozone injection stage: open the air intake control valve 46, ozone flows from the constant pressure tank 2 into the ozone water preparation tank 4, the ozone pushes the piston plate 401 to move downward, and a certain amount of ozone is introduced into the tank body.

[0037] Water injection and mixing stage: close the air intake control valve 46, open the water intake control valve 43 and the connecting control valve 49, close the water outlet control valve 44, water enters the tank through the water supply device 3, the water pressure pushes the piston plate 401 to move upward, and ozone is mixed and dissolved with water through the connecting pipe 45.

[0038] Pressure regulation and odor reflux stage: The pressure control valve 47 monitors the pressure on the upper part of the tank. When the pressure exceeds the set value, the pressure control valve 47 opens and the excess ozone flows back to the constant pressure tank 2.

[0039] Ozone water discharge stage: close the water inlet control valve 43 and the connecting control valve 49, open the water outlet control valve 44, and the ozone in the constant pressure tank 2 pushes the piston plate 401 again through pressure to discharge the mixed ozone water from the water outlet 42.

[0040] In the present invention, the preparation of ozone water is completely in a sealed ozone water preparation tank 4, the volume of the cavity of the ozone water preparation tank 4 is fixed, and the pressure of ozone is adjusted to be constant through the pressure control valve 47, so that the amount of ozone and water introduced each time is fixed, and the concentration of ozone water preparation can be better controlled. Excess undissolved ozone is returned to the constant pressure tank 2 through the pressure control valve 47 to avoid the waste of open ozone discharge, improve the utilization rate of ozone, and reduce the production cost of ozone water preparation; the ozone is sealed to avoid pollution to the environment, prevent direct inhalation or long-term contact of staff, and ensure the safety of ozone water.

[0041] Example 2: Different uses have different requirements for the concentration of ozone water. The ozone water preparation tank 4 provided by the present invention has a limited volume, and the concentration of ozone preparation is relatively constant. In order to provide ozone water of different concentrations, the ozone water preparation device in this embodiment uses multiple ozone water preparation tanks 4 in series. Only one water inlet control valve 43 or water outlet control valve 44 is needed between the ozone water preparation tanks 4 in series, and the water inlet control valve 43 and the water outlet control valve 44 are respectively set before and after the ozone water preparation tanks 4 in series.

[0042] like Figure 1 As shown, three ozone water preparation tanks 4 are connected in series. When preparing ozone water, the water inlet control valve 43 and the water outlet control valve 44 are opened, and ozone is filled into the ozone water preparation tank 4 through the air inlet control valve 46; the three ozone water preparation tanks 4 are divided into a first tank body, a second tank body and a third tank body according to the order of water inlet and outlet.

[0043] After filling with ozone, the control valve between the first and second tank bodies is closed, the control valve between the first tank body and the water supply device 3 and the connecting control valve 49 of the first tank body are opened, the water supply device 3 supplies water to the first tank body, and the piston plate 401 is pushed upward by the water pressure. Ozone is dissolved in combination with water through the connecting pipe 45 to form primary ozone water with constant concentration.

[0044] The check valve 48 on the connecting pipe 45 is used to allow water to flow from the connecting pipe 45 to the upper part of the tank body during the water supply process.

[0045] After the ozone in the first tank is emptied, the control valve between the first tank and the water supply device 3 is closed, the control valve between the first and second tanks and the connecting control valve 49 of the second tank are opened, ozone is filled into the first tank, and the piston plate 401 is pushed by air pressure to transport the primary ozone water to the second tank. The ozone in the upper part of the second tank is dissolved with the primary ozone water through the connecting pipe 45 to quantitatively increase the concentration of the ozone water.

[0046] The operation between the third tank body and the second tank body is the same as above. After the concentration of the ozone water is quantitatively increased again, the ozone water of the target concentration is discharged.

[0047] In order to provide ozone water continuously, the ozone water preparation device is provided with 4 groups of ozone water preparation tanks connected in series, and the continuous supply of ozone water is achieved through alternating water supply preparation.

[0048] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Claims

1. An ozone water preparation device, characterized in that: The invention comprises an ozone generating device (1), a constant pressure tank (2), an ozone water preparation tank (4) and a water supply device (3), wherein the ozone generating device (1) is connected to the constant pressure tank (2), and the constant pressure tank (2) and the water supply device (3) are respectively connected to the ozone water preparation tank (4). The ozone generator (1) generates ozone and transmits it to be stored in the constant pressure tank (2), and the water supply device (3) provides a stable water pressure supply; The ozone water preparation tank (4) comprises a tank body, an air intake control valve (46) and a pressure control valve (47) are arranged at the upper end of the tank body, wherein the air intake control valve (46) and the pressure control valve (47) are respectively connected to the constant pressure tank (2) and the ozone water preparation tank (4), a movable piston plate (401) is arranged inside the tank body, and the tank body is divided into upper and lower parts by the movable piston plate (401), a connecting pipe (45) is arranged between the upper and lower parts, and a check valve (48) and a connecting control valve (49) are arranged on the connecting pipe (45); The air intake control valve (46) is connected to the constant pressure tank (2), and the ozone is controlled to enter the ozone water preparation tank (4) through the air intake control valve (46). The ozone pushes the movable piston plate (401) in the tank body to move downward, thereby rushing a certain amount of ozone gas into the tank body; A water inlet (41) and a water outlet (42) are provided at the lower end of the tank body. The water inlet (41) is connected to the water supply device (3). The water inlet (41) is provided with a water inlet control valve (43). The water outlet (42) is provided with a water outlet control valve (44). After the tank body is filled with ozone, the air inlet control valve (46) is closed, the water inlet control valve (43) is opened, the water outlet control valve (44) is closed, the connecting control valve (49) is opened, and water is introduced into the tank body through the water supply device (3). The piston plate (401) is pushed upward by the water pressure, so that the ozone is mixed and dissolved with the water through the connecting pipe (45); The pressure control valve (47) is used to control the pressure on the upper part of the tank body. When the water-driven piston plate (401) moves, ozone is mixed with water through the connecting pipe (45), and the pressure on the upper part of the tank body increases. When the pressure exceeds the limit pressure set by the pressure control valve (47), the pressure control valve (47) opens, and the excess ozone flows back into the constant pressure tank (2) through the pressure control valve (47). After the upper ozone is discharged, the air inlet control valve (46) is opened, the water outlet control valve (44) is opened, the water inlet control valve (43) is closed, the connecting control valve (49) is closed, and the ozone in the constant pressure tank (2) enters the upper part of the ozone water preparation tank (4) through pressure. The ozone provides pressure to push the piston plate (401) to discharge the prepared ozone water from the tank body, thereby completing the preparation of ozone water of corresponding concentration.

2. The ozone water preparation device according to claim 1, characterized in that: A plurality of vertical guide grooves (402) are arranged in the tank body of the ozone water preparation tank (4), and corresponding protruding guide blocks are arranged on the outer edge of the movable piston plate (401). The guide blocks are sealed and inserted into the guide grooves (402), so that the movable piston plate (401) moves vertically up and down along the guide grooves (402).

3. The ozone water preparation device according to claim 1, characterized in that: The pressure control valve (47) is provided with a cavity inside, and a blocking block (471), a spring (472) and a baffle (473) are provided in the cavity, wherein the blocking block (471) blocks the lower opening of the cavity, the baffle (473) is located at the upper opening of the cavity, a through hole is provided in the middle of the baffle (473), the outer diameter of the blocking block (471) is smaller than the inner diameter of the cavity, and the diameter of the lower opening is smaller than the outer diameter of the blocking block (471), so that the blocking block (471) can completely close the lower opening, and a spring (472) is installed between the blocking block (471) and the baffle (473), and the blocking block (471) is pressed against the lower opening by the spring (472), and when the pressure in the tank body is greater than the thrust of the spring (472), the tank body releases pressure into the constant pressure tank (2) through the pressure control valve (47).

4. The ozone water preparation device according to claim 1, characterized in that: The air intake control valve (46), the water intake control valve (43), the water outlet control valve (44) and the communication control valve (49) are all solenoid valves.

5. The ozone water preparation device according to claim 1, characterized in that: It comprises a plurality of ozone water preparation tanks (4), wherein the plurality of ozone water preparation tanks (4) are connected in series as a group through pipelines, and a water inlet control valve (43) or a water outlet control valve (44) is installed between adjacent ozone water preparation tanks (4).

6. The ozone water preparation device according to claim 5, characterized in that: A plurality of groups of ozone water preparation tanks (4) are arranged in parallel.

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