Ozone preparation device

Abstract

The utility model discloses an ozone preparation device which comprises a water supply module, a cooling module and a plurality of ozone preparation modules, the ozone preparation module comprises a water storage tank and a PEM module; the upper ends of the water storage tanks are communicated with one another and communicated with the ozone output channel, and the lower ends are communicated with one another; wherein one water storage tank is connected with the water supply module and is used for supplementing water for the water supply module; the PEM module comprises a cathode and an anode, and a cathode water flow passage and an anode water flow passage are respectively formed on the surfaces of the cathode and the anode; a first water outlet and a first water return port are formed in the bottom end of the water storage tank and are respectively connected with two ends of the anode water flow passage; the cooling module comprises a second water outlet and a second water return port which are respectively connected with two ends of the cathode water flow passage; and the water supply module is connected with the second water return port. According to the utility model, the capacity expansion of the ozone preparation device is facilitated, and the operation stability and reliability are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrolytic oxygen production, and specifically relates to an ozone preparation device. Background Art

[0002] Ozone is prepared by the PEM membrane method by applying low-voltage direct current to conduct the positive and negative electrodes of a new PEM solid membrane electrode to electrolyze deionized water, generating hydrogen molecules and oxygen molecules. The oxygen molecules obtain energy due to the electron excitation generated by the high-density current at the anode interface and are polymerized into ozone molecules through the catalysis of a catalyst.

[0003] At present, the PEM membrane method for ozone preparation generally operates with a single PEM module or several PEM modules sharing one anode water tank and one cathode water tank, and the water supply and heat dissipation are carried out by gravity flow, resulting in poor operating stability. Summary of the Invention

[0004] The utility model provides an ozone preparation device, which modularly sets ozone preparation modules, and each ozone preparation module shares a water supply module and a refrigeration module, facilitating the expansion of production capacity and thus improving the efficiency of production increase and transformation.

[0005] To solve the above technical problems, the utility model is implemented by the following technical solutions:

[0006] An ozone preparation device includes a water supply module, a cooling module, and multiple ozone preparation modules;

[0007] The ozone preparation module includes a water storage tank and a PEM module; an exhaust port and a water replenishing port are respectively arranged at the upper end of the water storage tank, and a communication port is arranged at the lower end; each exhaust port is respectively communicated with an ozone output channel; each communication port is communicated with each other; the water replenishing port of one of the water storage tanks is connected to the water supply module, and the rest are blocked; the PEM module includes a cathode and an anode, and a cathode water flow path and an anode water flow path are respectively formed on the surfaces of the cathode and the anode; a first water outlet and a first water return port are arranged at the bottom end of the water storage tank, and are respectively connected to both ends of the anode water flow path through pipelines;

[0008] The cooling module includes a second water outlet and a second water return port; one end of each cathode water flow path is respectively connected to the second water outlet, and the other end is respectively connected to the second water return port; the water supply module is connected to the second water return port.

[0009] In some specific embodiments, a first one-way valve and a second one-way valve are further included, which are respectively arranged on the connecting pipelines between the water supply module and the water storage tank and between the water supply module and the cooling module, and are communicated in the direction from the water supply module to the water storage tank and the cooling module.

[0010] In some specific embodiments, a third one-way valve is further included, which is disposed on the connecting pipeline between each of the exhaust ports and the ozone output channel, and is communicated in the direction from the exhaust port to the ozone output channel.

[0011] In some specific embodiments, at least one water inlet valve is further included, which is disposed between the water supply module and the first one-way valve and the second one-way valve, and is used to control whether to supply water to each of the water storage tanks and the cooling module.

[0012] In some specific embodiments, a first water level detection unit and a second water level detection unit are disposed in at least one of the water storage tanks, which are used to detect the lowest water level and the highest water level in the water storage tank, and when the water level in the water storage tank reaches the lowest water level, the water inlet valve is controlled to open, and when the water level reaches the highest water level, the water inlet valve is controlled to close.

[0013] In some specific embodiments, a drain valve is further included; each of the communication ports is respectively communicated with the sewage discharge channel through the drain valve, and is used to control whether to discharge the sewage of each of the water storage tanks.

[0014] In some specific embodiments, each of the exhaust ports is sequentially connected to the first connecting pipe along the length direction of the first connecting pipe, and the ozone output channel is connected to the middle part of the first connecting pipe; the water storage tank connected to the end of the first connecting pipe is connected to the water supply module;

[0015] Each of the communication ports is sequentially connected to the second connecting pipe along the length direction of the second connecting pipe; the sewage discharge channel is connected to the end of the second connecting pipe far away from the water supply module.

[0016] In some specific embodiments, each of the PEM modules is respectively connected to a power supply through a switch, and is respectively provided with a temperature detection unit, which is used to detect the temperature of the PEM module, and when the temperature reaches the limit value, the switch is controlled to disconnect.

[0017] In some specific embodiments, the cooling module includes an air-cooled heat exchanger, which is used to cool the water passing through it.

[0018] In some specific embodiments, an anti-backflow overflow port is provided at the top of the cooling module, which is used to overflow the cooling waste water.

[0019] Compared with the prior art, the advantages and positive effects of the present utility model are as follows: The ozone preparation device of the present utility model modularizes the ozone preparation module into the same module unit, that is, the ozone preparation unit is modularized, and each ozone preparation module is equipped with an independent water storage tank, and each water storage tank is connected to a common water supply module. The PEM module is connected to a common cooling module and water supply module. By simply adding an ozone preparation module to the water supply module and the cooling module system, the ozone preparation module can be quickly and efficiently increased, facilitating the expansion of the production capacity of the ozone preparation device, thereby improving the efficiency of production increase and transformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required in the embodiments. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 FIG. is a schematic structural diagram of an embodiment of an ozone preparation device proposed by the present utility model.

[0022] In the figure,

[0023] 1. Water supply module; 2. Cooling module; 21. Anti-backflow overflow port; 3. Ozone preparation module; 31. Water storage tank; 311. First water outlet; 312. First water return port; 313. First water level detection unit; 314. Second water level detection unit; 315. Communication port; 316. Exhaust port; 317. Water replenishment port; 32. PEM module; 321. Cathode; 322. Anode; 4. First one-way valve; 5. Second one-way valve; 6. Third one-way valve; 7. Water inlet valve; 8. Ozone output channel; 9. Drain valve; 10. Sewage discharge channel; 20. Power supply; 30. First connecting pipe; 40. Second connecting pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, but should not be construed as limiting the present utility model.

[0025] Referring to Figure 1 , the present utility model discloses an ozone preparation device, which includes a water supply module 1, a cooling module 2 and a plurality of ozone preparation modules 3.

[0026] The ozone preparation module 3 includes a water storage tank 31 and a PEM module 32; an exhaust port 316 is provided at the upper end of the water storage tank 31; the exhaust ports 316 of the respective water storage tanks 31 are interconnected and are connected and communicated with the ozone output channel 8 for delivering the ozone in the water storage tank 31 to the ozone output channel 8.

[0027] A water replenishing port 317 is further provided at the upper end of the water storage tank 31; the water replenishing port 317 of one water storage tank 31 in each ozone preparation module 3 is connected and communicated with the water supply module 1 for replenishing water to the connected water storage tank 31; and it is blocked with the water replenishing port 317.

[0028] A communication port 315 is provided at the lower end of the water storage tank 31; the water storage tanks 31 of the respective ozone preparation modules 3 are interconnected through the communication port 315 to form a communicating vessel, and water is replenished to each water storage tank 31 through the water storage tank 31 connected to the water supply module 1 so that the water levels of the respective water storage tanks 31 are the same.

[0029] The PEM module 32 includes a cathode 321 and an anode 322, and mutually isolated cathode water flow paths and anode water flow paths are respectively formed on the surfaces of the cathode 321 and the anode 322, and flowing water is passed through the cathode water flow path to dissipate heat for the cathode 321, and flowing water is passed through the anode water flow path to provide electrolysis raw materials to generate oxygen molecules.

[0030] A first water outlet 311 and a first water return port 312 are provided at the bottom of the water storage tank 31, and they are respectively connected to both ends of the anode water flow path through pipelines; the water storage tank 31 outputs electrolyzed water to the PEM module 32 through the first water outlet 311 and recovers the electrolyzed water remaining after the reaction of the PEM module 32 and the generated ozone molecules through the first water return port 312.

[0031] The cooling module 2 includes a second water outlet and a second water return port, which are respectively connected to both ends of the respective cathode water flow paths through pipelines, and a water circulation is formed between the cooling module 2 and the cathode water flow path, and the water dissipates heat for the cathode 321 when passing through the cathode water flow path and cools down when passing through the cooling module 2.

[0032] The second water return port is connected to the water supply module 1 to supplement cooling water to the cooling module 2.

[0033] By setting the ozone preparation module 3 of the ozone preparation device of the present utility model as the same module unit, that is, modularizing the ozone preparation unit, and equipping each ozone preparation module 3 with an independent water storage tank 31 and the respective water storage tanks 31 are interconnected and share the water supply module 1, and the PEM module 32 is interconnected and shares the cooling module 2 and the water supply module 1; it is only necessary to add the ozone preparation module 3 to the system of the water supply module 1 and the cooling module 2, so as to realize the rapid and efficient addition of the ozone preparation module 3, facilitate the expansion of the production capacity of the ozone preparation device, and thus improve the efficiency of production increase and transformation.

[0034] In addition, the water provided by the water supply module 1 is all pure water. That is, pure water is used for both electrolyzed water and cooling water.

[0035] The specific structure and principle of the ozone preparation device of the present utility model will be elaborated in detail through specific embodiments below.

[0036] In some specific embodiments, referring to Figure 1 , the ozone preparation device further includes a first one-way valve 4, which is arranged on the pipeline connecting the water supply module 1 and the water storage tank 31, and is communicated in the direction from the water supply module 1 to the water storage tank 31, ensuring water replenishment from the water supply module 1 to the water storage tank 31, preventing ozone molecules in the water storage tank 31 from entering the water supply module 1 through the pipeline connecting the water supply module 1 and the water storage tank 31, and improving the stability and reliability of the water circulation system of the ozone preparation device.

[0037] In some specific embodiments, referring to Figure 1 , the ozone preparation device further includes a second one-way valve 5, which is arranged on the pipeline connecting the water supply module 1 and the cooling module 2, and is communicated in the direction from the water supply module 1 to the cooling module 2, ensuring water replenishment from the water supply module 1 to the cooling module 2, preventing the water in the cooling module 2 from flowing back to the water supply module 1, and improving the stability and reliability of the water circulation system of the ozone preparation device.

[0038] In some specific embodiments, referring to Figure 1 , the ozone preparation device further includes a third one-way valve 6, which is arranged on the pipeline connecting the exhaust port 316 of each water storage tank 31 and the ozone output channel 8, and is communicated in the direction from the exhaust port 316 to the ozone output channel 8, preventing the ozone in the ozone output channel 8 from flowing back and affecting the air pressure in each water storage tank 31.

[0039] The ozone preparation device of this embodiment improves the stability of the air pressure in each water storage tank 31 through the setting of the third one-way valve 6, and further improves the stability and reliability of the ozone preparation device.

[0040] In some specific embodiments, referring to Figure 1 , the ozone preparation device further includes a water inlet valve 7, which is arranged on the pipeline between the water supply module 1 and the first one-way valve 4 and the second one-way valve 5, and is used to control whether to replenish water to each water storage tank 31 and the cooling module 2.

[0041] A first flow limiting unit can be set on the pipeline from the water supply module 1 to each water storage tank 31, and a second flow limiting unit can be set on the pipeline from the water supply module 1 to the cooling module 2 to limit the proportion of water replenishment from the water supply module 1 to each water storage tank 31 and to the cooling module 2.

[0042] In some specific embodiments, the ozone preparation device further includes two water inlet valves 7, which are respectively arranged on the connecting pipelines between the water supply module 1 and the first one-way valve 4, and between the water supply module 1 and the second one-way valve 5, and are used to control the water replenishment of each water storage tank 31 and the water replenishment of the cooling module 2.

[0043] In some specific embodiments, referring to Figure 1 , a first water temperature detection unit and a second water level detection unit 314 are arranged in at least one water storage tank 31, which are respectively used to detect the lowest water level and the highest water level in the water storage tank 31, and when the water level in the water storage tank 31 reaches the lowest water level, control to open the water inlet valve 7 to replenish water for each water storage tank 31; when the water level in the water storage tank 31 reaches the highest water level, control to close the water inlet valve 7 to stop replenishing water for each water storage tank 31.

[0044] The control of the first water level detection unit 313 and the second water level detection unit 314 over the water inlet valve 7 can be linked. That is, when reaching the lowest water level or the highest water level, the actions of the first water level detection unit 313 and the second water level detection unit 314 are linked to the opening and closing actions of the water inlet valve 7.

[0045] Of course, the control of the water inlet valve 7 can also transmit the detection signals of the first water level detection unit 313 and the second water level detection unit 314 to the microcontroller. The water inlet valve 7 is connected to the microcontroller and is controlled by the microcontroller according to the detection signals received by the microcontroller.

[0046] The ozone preparation device of this embodiment ensures that the water level in each water storage tank 31 meets the ozone production by arranging the first water level detection unit 313 and the second water level detection unit 314 for detecting the lowest water level and the highest water level in at least one water storage tank 31, and improves the operation stability and reliability of the ozone preparation device.

[0047] In some specific embodiments, referring to Figure 1 , the ozone preparation device further includes a drain valve 9; each communication port 315 is respectively communicated with a sewage discharge channel 10 through the drain valve 9, and is used to control whether to discharge sewage from each water storage tank 31.

[0048] The ozone preparation device of this embodiment facilitates the cleaning and sewage discharge of each water storage tank 31 by arranging the drain valve 9.

[0049] In some specific embodiments, referring to Figure 1 , the ozone preparation device further includes a second connecting pipe 40; each communication port 315 is sequentially connected to the second connecting pipe 40 along the length direction of the first connecting pipe 30. That is, the second connecting pipe 40 is sequentially connected to each water storage tank 31 through each communication port 315; the drain valve 9 is located outside one end of the second connecting pipe 40, that is, connected to the end of the second connecting pipe 40.

[0050] In some specific embodiments, referring to Figure 1 , the ozone preparation device further includes a first connecting pipe 30; each exhaust port 316 is connected to the first connecting pipe 30 in sequence along the length direction of the first connecting pipe 30, and the ozone output channel 8 is connected to the middle of the first connecting pipe 30, so as to minimize the length difference of the pipelines from each water storage tank 31 to the ozone output channel 8, reduce the exhaust pressure difference in each water storage tank 31, and further ensure that the water levels in each water storage tank 31 are flat.

[0051] In some specific embodiments, referring to Figure 1 , the water replenishing port 317 of the water storage tank 31 connected to one end of the first connecting pipe 30 is connected to the water supply module 1, so that each water storage tank 31 is replenished with water in sequence along the second connecting pipe 40.

[0052] The drain valve 9 is located at one end of the second connecting pipe 40, at the end of the second connecting pipe 40 far from the water supply module 1, which is convenient for water to enter from one end of the queue of each water storage tank 31 and drain from the other end, ensuring that each water storage tank 31 has the same water flow direction path, and improving the drainage efficiency and cleaning effect of each water storage tank 31.

[0053] In some specific embodiments, referring to Figure 1 , each PEM module 32 is respectively connected to the power supply 20 through a switch, and is respectively provided with a temperature detection unit for detecting the temperature of the PEM module 32, and when the temperature reaches the limit value, the switch is controlled to disconnect, and the PEM module 32 is powered off and stops working; when the temperature returns below the limit value, the switch is controlled to close, and the PEM module 32 is connected to the power supply 20 to resume working.

[0054] The ozone preparation device of this embodiment detects the temperature of the PEM module 32 by setting a temperature detection unit, and controls whether the power supply 20 is connected according to the detected temperature, ensuring that the PEM module 32 works at a suitable temperature, ensuring the stability and reliability of the operation of the PEM module 32, protecting the equipment, and prolonging the service life.

[0055] In some specific embodiments, the cooling module 2 includes an air-cooled heat exchanger for cooling the water passing through it.

[0056] In some specific embodiments, an anti-backflow overflow port 21 is provided at the top of the cooling module 2 for overflowing cooling wastewater.

[0057] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0058] Furthermore, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0059] In the present utility model, unless otherwise clearly specified and defined, terms such as "mounted", "connected", "connected to", "fixed" and the like should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0060] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0061] In the description of this specification, descriptions with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0062] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. An ozone production device, characterized in that: It includes a water supply module, a cooling module and multiple ozone preparation modules; The ozone preparation module includes a water storage tank and a PEM module; the upper end of the water storage tank is respectively provided with an exhaust port and a water replenishment port, and the lower end is provided with a connecting port; each of the exhaust ports is respectively connected to the ozone output channel; each of the connecting ports is connected to each other; the water replenishment port of one of the water storage tanks is connected to the water supply module, and the others are blocked; the PEM module includes a cathode and an anode, and a cathode water flow path and an anode water flow path are respectively formed on the surfaces of the cathode and the anode; the bottom end of the water storage tank is provided with a first water outlet and a first water return port, which are respectively connected to the two ends of the anode water flow path through pipelines; The cooling module comprises a second water outlet and a second water return port; one end of each cathode water flow path is respectively connected to the second water outlet, and the other end is respectively connected to the second water return port; the water supply module is connected to the second water return port.

2. The ozone generation device according to claim 1, characterized in that: It also includes a first one-way valve and a second one-way valve, which are respectively arranged on the connecting pipeline between the water supply module and the water tank and on the connecting pipeline between the water supply module and the cooling module, and are connected from the water supply module to the water tank and the cooling module.

3. The ozone generation device according to claim 2, characterized in that: It also includes a third one-way valve, which is arranged on the connecting pipeline between each of the exhaust ports and the ozone output channel, and is connected from the exhaust port to the ozone output channel.

4. The ozone generation device according to claim 2, characterized in that: It also includes at least one water inlet valve, which is arranged between the water supply module and the first one-way valve and the second one-way valve, and is used to control whether to replenish water to each of the water storage tanks and the cooling module.

5. The ozone generation device according to claim 4, characterized in that: A first water level detection unit and a second water level detection unit are provided in at least one of the water tanks, for detecting the lowest water level and the highest water level in the water tank, and controlling the water inlet valve to open when the water level in the water tank reaches the lowest water level, and controlling the water inlet valve to close when the water level reaches the highest water level.

6. The ozone production device according to any one of claims 1 to 5, characterized in that: It also includes a drain valve; each of the communication ports is connected to a sewage discharge channel through the drain valve, so as to control whether sewage is discharged from each of the water storage tanks.

7. The ozone generation device according to claim 6, characterized in that: Each of the exhaust ports is sequentially connected to the first connecting pipe along the length direction of the first connecting pipe, and the ozone output channel is connected to the middle of the first connecting pipe; the water storage tank connected to the end of the first connecting pipe is connected to the water supply module; Each of the communication ports is connected to the second connecting pipe in sequence along the length direction of the second connecting pipe; and the sewage discharge channel is connected to the end of the second connecting pipe away from the water supply module.

8. The ozone production device according to any one of claims 1 to 5, characterized in that: Each of the PEM modules is connected to a power source via a switch, and is provided with a temperature detection unit for detecting the temperature of the PEM module and controlling the switch to be disconnected when the temperature reaches a limit value.

9. The ozone production device according to any one of claims 1 to 5, characterized in that: The cooling module includes an air-cooled heat exchanger for cooling water passing therethrough.

10. The ozone generation device according to claim 9, characterized in that: An anti-backflow overflow port is arranged on the top of the cooling module for overflowing cooling waste water.

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