CN210620955U - Electrolytic ozone generator with compact structure - Google Patents
Electrolytic ozone generator with compact structure Download PDFInfo
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- CN210620955U CN210620955U CN201921507059.4U CN201921507059U CN210620955U CN 210620955 U CN210620955 U CN 210620955U CN 201921507059 U CN201921507059 U CN 201921507059U CN 210620955 U CN210620955 U CN 210620955U
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Abstract
The utility model relates to an electrolytic ozone generator with compact structure, belonging to the technical field of electrochemistry. The water level balancing device comprises a membrane electrode assembly, a cathode water tank member and an anode water tank member, wherein the cathode water tank member comprises a cathode water tank and a cathode conductive drainage plate which are fixedly connected, the anode water tank member comprises an anode water tank and an anode conductive drainage plate which are fixedly connected, the cathode conductive drainage plate, the membrane electrode assembly and the anode conductive drainage plate are fixed through bolts, the cathode water tank and the anode water tank are communicated through an electromagnetic valve to achieve the effect of balancing the water level, a through hole is formed in the cathode conductive drainage plate and communicated with the membrane electrode assembly and the cathode water tank, and a through hole is formed in the anode conductive drainage plate and communicated with the membrane electrode assembly and the anode water tank. The gas/water through holes of the lower end plate of the cathode/anode water tank of the utility model are respectively and vertically immersed in the raw material water, and have the gas/liquid separation function. The utility model discloses compact structure, equipment convenience are suitable for industrial production.
Description
Technical Field
The utility model relates to an electrolytic ozone generator with compact structure, belonging to the technical field of electrochemistry.
Background
Ozone has the functions of sterilization, deodorization, decoloration and the like, and is widely used in the fields of pharmacy, medical treatment, chemical industry and the like. At present, the methods for producing ozone mainly include corona discharge and PEM electrolysis. Compared with corona discharge method, PEM electrolysis method has the advantages of high ozone purity, no nitrogen oxide and convenient operation.
Prior to the present invention, electrolytic ozone generators used in PEM electrolysis were connected by external piping to the cathode and anode of an electrolytic ozone generation stack and to the corresponding water tank as disclosed in chinese patent 97122126.x, 200520099581.5. The cathode chamber and the cathode water tank, the anode chamber and the anode water tank are connected through an external pipe, gas/water circulates therein, and the gas/water is separated and heat-exchanged in the cathode water tank and the anode water tank. The generation device has the defects of complex design structure, more connecting sealing points, more gas/water leakage points, high manufacturing cost and the like because the cathode/anode sides need to be externally connected with a circulating pipeline, and is not beneficial to industrial production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defects of the prior art, and the technical problem to be solved is to provide an electrolytic ozone generator with compact structure.
The electrolytic ozone generator of the utility model has no externally connected gas/water circulating pipeline, compact and simple structure, convenient assembly and suitability for industrial scale production.
In order to achieve the purpose, the utility model adopts the following technical measures:
an electrolytic ozone generator with a compact structure comprises a membrane electrode assembly, a cathode water tank member and an anode water tank member, wherein the cathode water tank member comprises a cathode water tank and a cathode conductive drainage plate which are fixedly connected, the anode water tank member comprises an anode water tank and an anode conductive drainage plate which are fixedly connected, the cathode conductive drainage plate, the membrane electrode assembly and the anode conductive drainage plate are fixed through bolts, the cathode water tank and the anode water tank are communicated through an electromagnetic valve to play a role in balancing water level, a through hole is formed in the cathode conductive drainage plate and communicated with the membrane electrode assembly and the cathode water tank, and a through hole is formed in the anode conductive drainage plate and communicated with the membrane electrode assembly and the anode water tank.
The through hole on the cathode conductive drainage plate is a straight hole at one side close to the membrane electrode assembly, and a tapered hole at one side close to the cathode water tank. The through hole on the anode conductive drainage plate is a straight hole at one side close to the membrane electrode assembly, and a tapered hole at one side close to the anode water tank. The tapered holes in the through holes are beneficial to separating ozone or hydrogen produced on the surface of the electrode from water as soon as possible, and reducing the resistance of separation. The straight holes in the through holes are beneficial to the raw material water in the water tank to quickly diffuse to the surface of the membrane electrode assembly 12 to participate in electrode reaction.
The cathode water tank component is formed by connecting a cathode water tank and a cathode conductive drainage plate into a whole.
The anode water tank component is formed by connecting an anode water tank and an anode conductive drainage plate into a whole.
The conductive cathode drainage plate and the tapered holes in the conductive cathode drainage plate are respectively contacted with raw material water, and gas/water separation is automatically generated during working, so that an external connection gas/water pipeline is omitted.
The cathode conductive drainage plate and the straight holes in the cathode conductive drainage plate are respectively in face contact with the cathode porous current collector and the anode porous current collector in the membrane electrode assembly. The cathode conductive drainage plate and the cathode conductive drainage plate ensure that the power supply is in good contact with the positive electrode and the negative electrode of the generator.
The top of the cathode water tank is provided with a hydrogen outlet, a liquid level sensor and a water replenishing port.
The top of the anode water tank is provided with an ozone outlet.
The cathode conductive drainage plate and the anode conductive drainage plate are respectively positioned at the lower parts of the cathode water tank component and the anode water tank component and are respectively vertically immersed in raw material water of the cathode water tank and the anode water tank. The utility model discloses an electrolysis type ozone generator moves, and gas/water is two-way to be derived immediately/leading-in, and it is unblocked to flow, and convection current diffusion has gas/water separation and heat dissipation dual efficiency about producing in the water tank, has satisfied membrane electrode assembly electrolysis water's working requirement.
The utility model discloses in the device, no connection of air/outer circulating line in the water between negative pole water tank component, positive pole water tank component and the membrane electrode assembly has reduced generator operation trouble, low in manufacturing cost, compact structure, simple, and the equipment is convenient, can industrial scale production, and the operation is stable, and ozone concentration is high.
Drawings
FIG. 1 is a schematic diagram of an electrolytic ozone generator with a compact structure.
Fig. 2 is a schematic view of the structure of a cathode/anode water tank member.
Fig. 3 is a schematic diagram of the structure of the through hole of the cathode/anode conductive flow guide plate.
Figure 4 is a schematic view of the membrane electrode assembly configuration.
The device comprises a cathode water tank, an anode water tank, a cathode conductive drainage plate, a conical hole, a 10-straight hole, an electromagnetic valve, a membrane electrode assembly, a cathode porous current collector, a cathode catalyst layer, a 123-perfluorosulfonic acid cation exchange membrane, an anode catalyst layer, an anode porous current collector, a cathode current collector and a bolt hole, wherein the anode water tank is 1-1, the ozone outlet is 2-3, the hydrogen outlet is 4-4, the water replenishing port is 5-6.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
An electrolytic ozone generator with a compact structure is shown in attached figures 1 and 2 and comprises a membrane electrode assembly 12, a cathode water tank component and an anode water tank component, wherein the cathode water tank component comprises a cathode water tank 6 and a cathode conductive drainage plate 8 which are fixedly connected, the anode water tank component comprises an anode water tank 1 and an anode conductive drainage plate 7 which are fixedly connected, the cathode conductive drainage plate 8, the membrane electrode assembly 12 and the anode conductive drainage plate 7 are fixed through bolts, and the cathode water tank 6 is communicated with the anode water tank 1 through an electromagnetic valve 11 to play a role in balancing water level.
As shown in fig. 3, the cathode conductive flow guide plate 8 is provided with a through hole for communicating the membrane electrode assembly and the cathode water tank, and the anode conductive flow guide plate 7 is provided with a through hole for communicating the membrane electrode assembly and the anode water tank. The through hole on the cathode conductive drainage plate is a straight hole 10 at one side close to the membrane electrode assembly, and a tapered hole 9 at one side close to the cathode water tank. The through hole on the anode conductive drainage plate is a straight hole 10 at one side close to the membrane electrode assembly, and a tapered hole 9 at one side close to the anode water tank. The tapered holes in the through holes are beneficial to separating ozone or hydrogen produced on the surface of the electrode from water as soon as possible, and reducing the resistance of separation. The straight holes in the through holes are beneficial to the raw material water in the water tank to quickly diffuse to the surface of the membrane electrode assembly 12 to participate in electrode reaction.
The top of the cathode water tank is provided with a hydrogen outlet 3, a liquid level sensor 4 and a water replenishing port 5. The top of the anode water tank is provided with an ozone outlet 2.
The membrane electrode assembly is composed of a cathode porous current collector 121, a cathode catalyst layer 122, a perfluorosulfonic acid cation exchange membrane 123, an anode catalyst layer 124, and an anode porous current collector 125 in this order, and is disposed in the lower portion between the cathode water tank member and the anode water tank member.
Raw material water is injected into a cathode water tank 6 through a raw material water replenishing port 5, is transferred into an anode water tank 1 through an electromagnetic valve 11, and starts to operate after a working power supply is switched on, so that ozone can be generated in the anode water tank 1 and is discharged from an ozone outlet 2; hydrogen is generated in the cathode water tank 6 and is discharged from the hydrogen outlet 3.
The cathode conductive drainage plate and the anode conductive drainage plate are respectively preformed into an integral structure with the cathode water tank and the anode water tank and can be installed through bolts during use. The connection and sealing of various external pipelines are reduced. The cathode conductive drainage plate and the anode conductive drainage plate are vertically immersed in raw material water of the cathode water tank and the anode water tank respectively. When the electrolytic ozone generator of the utility model is operated, the air/water is led out/led into the through hole in two directions in time, the flow is smooth, the convection diffusion is generated in the water tank from top to bottom, and the electrolytic ozone generator has the dual effects of air/water separation and heat dissipation.
The utility model discloses an electrolytic ozone generator compares with current electrolytic ozone generator of the same kind, and it saves all external gas/water circulating pipe, compact structure, simple, and the equipment is convenient, and the cost is low, and the heat dissipation is fast, and long-term continuous operation at room temperature, generator temperature can maintain below 40 ℃, and the operation is stable, and output ozone concentration is high (≧ 25% wt).
Claims (6)
1. An electrolytic ozone generator with a compact structure is characterized by comprising a membrane electrode assembly (12), a cathode water tank member and an anode water tank member, wherein the cathode water tank member comprises a cathode water tank (6) and a cathode conductive drainage plate (8) which are fixedly connected, the anode water tank member comprises an anode water tank (1) and an anode conductive drainage plate (7) which are fixedly connected, the cathode conductive drainage plate (8), the membrane electrode assembly (12) and the anode conductive drainage plate (7) are fixed through bolts, and the cathode water tank (6) is communicated with the anode water tank (1) through an electromagnetic valve (11) to play a role in balancing water level; the cathode conductive drainage plate (8) is provided with a through hole which is communicated with the membrane electrode assembly (12) and the cathode water tank (6), and the anode conductive drainage plate (7) is provided with a through hole which is communicated with the membrane electrode assembly (12) and the anode water tank (1).
2. The electrolytic ozone generator of claim 1, characterized in that the through holes of the cathode conductive flow guide plates (8) are straight holes (10) on the side close to the membrane electrode assembly and tapered holes (9) on the side close to the cathode water tank.
3. The electrolytic ozone generator according to claim 1 or 2, characterized in that the through holes of the anode conductive flow-guiding plate (7) are straight holes (10) on the side close to the membrane electrode assembly and tapered holes (9) on the side close to the anode water tank.
4. The electrolytic ozone generator according to claim 1 or 2, characterized in that the top of the cathode water tank (6) is provided with a hydrogen outlet (3), a liquid level sensor (4) and a water replenishment port (5).
5. The electrolytic ozone generator according to claim 4, characterized in that the top of the anode water tank (1) is provided with an ozone outlet (2).
6. The electrolytic ozone generator of claim 1, wherein the membrane electrode assembly (12) is constituted by a cathode porous current collector (121), a cathode catalyst layer (122), a perfluorosulfonic acid cation exchange membrane (123), an anode catalyst layer (124) and an anode porous current collector (125) in this order, and is disposed at a lower portion intermediate the cathode water tank member and the anode water tank member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921507059.4U CN210620955U (en) | 2019-09-11 | 2019-09-11 | Electrolytic ozone generator with compact structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921507059.4U CN210620955U (en) | 2019-09-11 | 2019-09-11 | Electrolytic ozone generator with compact structure |
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| CN210620955U true CN210620955U (en) | 2020-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484927A (en) * | 2019-09-11 | 2019-11-22 | 武汉威蒙环保科技有限公司 | A kind of compact-sized electrolysis type ozone generator |
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- 2019-09-11 CN CN201921507059.4U patent/CN210620955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484927A (en) * | 2019-09-11 | 2019-11-22 | 武汉威蒙环保科技有限公司 | A kind of compact-sized electrolysis type ozone generator |
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