CN218810654U - Electrode group structure and electrocatalysis electrolytic cell device - Google Patents
Electrode group structure and electrocatalysis electrolytic cell device Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The utility model relates to a waste water treatment technical field specifically indicates an electrode group structure and electro-catalysis electrolytic cell device, an electrode group structure, including the anode plate, anode plate one side interval is equipped with the negative plate, and anode plate and negative plate adopt netted material respectively, and anode plate opposite side interval is equipped with the negative plate, and minimum interval between anode plate and the negative plate is between 0.5mm-1mm, an electro-catalysis electrolytic cell device, including the reaction tank, the interval is equipped with the aforesaid in the reaction tank electrode group structure, anode plate and negative plate lean on fixedly with the reaction tank inner wall respectively, and reaction tank one side is equipped with the water inlet, and the opposite side is equipped with the delivery port, compares prior art, the utility model discloses the structure is ingenious, the interval is minimum between the negative pole in the electrode group structure, power consumptive power is low, the electro-catalysis is effectual.
Description
The present application claims the chinese patent application No. 2021113657079, filed on 18/11/2021, entitled electrode assembly structure and priority of electrocatalytic electrolytic cell device.
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to an electrode group structure and an electro-catalysis electrolytic cell device.
Background
Along with increasingly severe environmental conditions, realizing zero discharge of wastewater becomes a necessary condition for sustainable development of enterprises, an electrochemical water treatment technology is taken as a high-efficiency, clean and environment-friendly water treatment technology, and is more and more emphasized due to the advantages of multiple selectable polar plate types, no need of adding chemical agents, good working condition controllability, strong water quality adaptability and the like, and is deeply researched, popularized and applied, and Chinese patent CN211946390U discloses an electrocatalytic oxidation device for wastewater COD degradation, which comprises: the two ends of the reaction tank are respectively provided with a water inlet valve and a water production valve; the cathode plates are vertically arranged in parallel; the anode plates are arranged among the cathode plates in a plurality; the power supply cabinet is provided with a positive pole and a negative pole which are respectively and electrically connected with the negative plate and the positive plate; the waste water enters the reaction tank from the water inlet valve, flows upwards to pass through the top of part of the cathode plate, flows downwards to pass through the bottom of the other part of the cathode plate, and is discharged from the water producing valve after horizontally penetrating through the anode plate, two sides of the cathode plate are connected with the reaction tank, the bottom of part of the cathode plate is connected with the bottom of the reaction tank, the bottom of the other part of the cathode plate is higher than the bottom of the reaction tank, and the top of the other part of the cathode plate is higher than the tops of other cathode plates; so as to realize that the waste water passes through the top of a part of the cathode plate and passes through the bottom of the other part of the cathode plate, and the defects of the patents are as follows: firstly, in the above patent, wastewater can only flow through between the cathode and the anode, and a channel needs to be reserved between the cathode and the anode so as to be smooth when the wastewater passes through, so that the distance between the cathode and the anode cannot be set to be too small, generally 10mm or more; the cathode and anode plates are uniformly distributed in the electrolytic cell, an electrode group structure is not formed, the distances between all adjacent cathode and anode plates are the same, and the voltage required by the electrocatalysis to reach the required current density is high in the prior art, so the power consumption is high, and the electrocatalysis efficiency is low.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing an electrode group structure and an electro-catalysis electrolytic cell device with ingenious structure, extremely small distance between the cathode and the anode in the electrode group structure, low power consumption and good electro-catalysis effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides an electrode group structure, includes the anode plate, anode plate one side interval is equipped with the negative plate, its characterized in that: the anode plate and the cathode plate are made of net materials respectively, the minimum distance between the anode plate and the cathode plate is 0.5mm-1mm, so that waste water can penetrate through meshes of the anode plate and the cathode plate, the anode plate and the cathode plate can be horizontally arranged or vertically arranged, the distance between the anode plate and the cathode plate can be extremely small, and the electricity consumption is reduced by reducing the distance between the anode plate and the cathode plate in the electrode group structure.
The anode plate opposite side interval is equipped with the negative plate to do benefit to and increase a negative plate, further reduce voltage reduces the power consumption.
The material of anode plate and the material of negative plate are titanium metal respectively, and the anode plate surface is equipped with catalyst coating, catalyst coating and anode plate fixed connection to do benefit to and improve waste water treatment efficiency.
An electrocatalytic electrolytic cell device comprising a reaction cell, characterized in that: the reaction tank is internally provided with the electrode group structure from left to right at intervals, the front end and the rear end of the anode plate are abutted against and fixed with the inner wall of the reaction tank, the lower end of the anode plate is abutted against and fixed with the bottom plate of the reaction tank, the front end and the rear end of the cathode plate are abutted against and fixed with the inner wall of the reaction tank, the lower end of the cathode plate is abutted against and fixed with the bottom plate of the reaction tank, the anode plate and the cathode plate are respectively connected with a power supply, the left side of the reaction tank is provided with a left water inlet, the right side of the reaction tank is provided with a right water outlet, water flow enters the reaction tank from the left water inlet, and the anode plate and the cathode plate which sequentially and vertically penetrate through each electrode group structure flow out from the right water outlet so as to be favorable for uniform distribution of water flow, reduce power consumption and have good electrocatalysis effect.
An electrocatalytic electrolytic cell device comprising a reaction cell, characterized in that: follow in the reaction tank from supreme interval and be equipped with the aforesaid electrode group structure, both ends support with the reaction tank inner wall respectively about and support fixedly around the anode plate, both ends support with the reaction tank inner wall respectively about and support fixedly around the negative plate, anode plate and negative plate are connected with the power respectively, the reaction tank lower extreme is equipped with down the water inlet, and the reaction tank upper end is equipped with the delivery port, and rivers get into the reaction tank by lower water inlet and pass anode plate, the negative plate from the last delivery port outflow of every electrode group structure perpendicularly in proper order to do benefit to the rivers equipartition, reduce power consumptive power, the electrocatalysis effectual.
The utility model has the advantages of ingenious structure, small distance between the cathode and the anode in the electrode group structure, low power consumption, good electrocatalysis effect and the like due to the adoption of the structure.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
Reference numerals: the device comprises an anode plate 1, a cathode plate 2, a reaction tank 3, an electrode group structure 4, a left water inlet 5, a right water outlet 6, a lower water inlet 7 and an upper water outlet 8.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
The utility model provides an electrode group structure, includes anode plate 1, 1 one side interval of anode plate is equipped with negative plate 2, its characterized in that: the anode plate 1 and the cathode plate 2 are made of net materials respectively, the minimum distance between the anode plate 1 and the cathode plate 2 is 0.5mm-1mm, so that waste water can penetrate through meshes of the anode plate and the cathode plate, the anode plate and the cathode plate can be horizontally arranged or vertically arranged, the distance between the anode plate and the cathode plate can be extremely small, and the power consumption is reduced by reducing the distance between the anode plate and the cathode plate in an electrode group structure.
1 opposite side interval of anode plate is equipped with negative plate 2, negative plate 2 adopts netted material to do benefit to and increase a negative plate, further reduce voltage, reduce the power consumption.
The material of anode plate 1 and the material of negative plate 2 are titanium metal respectively, and 1 surface of anode plate is equipped with catalyst coating, catalyst coating and 1 fixed connection of anode plate to do benefit to and improve waste water treatment efficiency.
An electrocatalytic electrolytic cell device comprising a reaction cell 3, characterized in that: the reaction tank 3 is internally provided with the electrode group structures 4 from left to right at intervals, the front and back ends of the anode plate 1 are fixedly abutted against the inner wall of the reaction tank 3, the lower end of the anode plate 1 is fixedly abutted against the bottom plate of the reaction tank 3, the front and back ends of the cathode plate 2 are fixedly abutted against the inner wall of the reaction tank 3, the lower end of the cathode plate 2 is fixedly abutted against the bottom plate of the reaction tank 3, the anode plate 1 and the cathode plate 2 are respectively connected with a power supply, the left side of the reaction tank 3 is provided with a left water inlet 5, the right side of the reaction tank 3 is provided with a right water outlet 6, water flow enters the reaction tank 3 from the left water inlet 5, sequentially and vertically passes through the anode plate 1 and the cathode plate 2 of each electrode group structure 4 and flows out from the right water outlet 6, so as to be favorable for uniform distribution of water flow, reduce power consumption and have good electrocatalysis effect.
An electrocatalytic electrolytic cell device comprising a reaction cell 3, characterized in that: follow in the reaction tank 3 from supreme interval and be equipped with the aforesaid electrode group structure 4, both ends lean on fixedly with reaction tank 3 inner walls respectively about with both ends around the anode plate 1, both ends lean on fixedly with reaction tank 3 inner walls respectively about with both ends around the negative plate 2, anode plate 1 and negative plate 2 are connected with the power respectively, 3 lower extremes of reaction tank are equipped with down water inlet 7, and 3 upper ends of reaction tank are equipped with delivery port 8, and rivers get into reaction tank 3 by water inlet 7 down and pass anode plate 1, negative plate 2 of every electrode group structure 4 perpendicularly in proper order from last delivery port 8 outflow to do benefit to the rivers equipartition, reduce power consumptive power, the electro-catalysis is effectual.
The electrode group structure provided by the utility model has two kinds, one is composed of an anode plate and a cathode plate; the other type of the cathode plate consists of an anode plate and two cathode plates, wherein the anode plate is positioned between the two cathode plates, the two cathode plates have the same structure, and the distance between the anode plate and each cathode plate is the same; the utility model discloses well anode plate is that titanium wire mesh material takes the material to have many first metal catalyst coatings, the negative plate is titanium wire mesh material, use the combination that the electrode group structure adopted an anode plate and two negative plates as the example, the configuration mode that the electrode group structure was arranged in the reaction tank has two kinds, one kind is as attached figure 1, the electrode group structure is perpendicular, set up in the reaction tank at interval, in each electrode group structure, both ends and the inner wall of reaction tank are supported and are fixed around the anode plate, the lower extreme of anode plate supports and supports with the bottom plate of reaction tank and support fixedly with the bottom plate of reaction tank, the lower extreme of negative plate supports and supports with the bottom plate of reaction tank and supports fixedly, anode plate and negative plate are connected with the power respectively, during the use, waste water gets into the reaction tank from the left water inlet of reaction tank left side lower extreme, rivers pass through the anode plate of each group of electrode group structure and the mesh of negative plate in proper order perpendicularly right side, flow from the right delivery port of reaction tank right side upper end; another is as shown in figure 2, the electrode group structure is horizontally arranged in the reaction tank at intervals, the end cover at the upper end of the reaction tank can be opened and put into the electrode group structure, in each electrode group structure, the front end, the rear end, the left end and the right end of the anode plate are respectively abutted and fixed with the inner wall of the reaction tank, the front end, the rear end, the left end and the right end of the cathode plate are respectively abutted and fixed with the inner wall of the reaction tank, the anode plate and the cathode plate are respectively connected with the power supply, the upper water outlet can be arranged on the end cover, when in use, wastewater enters the reaction tank from the lower water inlet at the lower end of the reaction tank, and water flow sequentially and vertically penetrates through the meshes of the anode plate and the cathode plate of each group of electrode group structure from bottom to top and flows out from the upper water outlet at the upper end of the reaction tank; the anode plate and the cathode plate in each electrode group structure of the utility model are net structures, which can reduce the distance between the anode plate and the cathode plate in the electrode group structure, reduce the required voltage under the same current density, thereby reducing the electric energy consumption and achieving the effect of degrading COD, and the experiment comparison of the electrolytic cell in the prior art and the electrolytic cell structure in the utility model is given by taking the electrocatalytic degradation of COD as an example below,
the waste water that uses in following experiments all comes from same waste water source, and its salt content is unanimous, in addition, the flat negative and positive electrode that the electrode group structure of the electrolytic cell among the prior art adopted, and flat negative and positive electrode is parallel with the rivers direction of waste water, the utility model provides a netted negative and positive plate electrode that electrode group structure adopted, netted negative and positive plate electrode are perpendicular with the rivers direction of waste water, under the unchangeable condition of control current density in the experiment, and the electrode area of flat negative and positive electrode and netted negative plate electrode all calculates according to its geometric dimensions, and the result is as follows:
table 1 shows experimental conditions and experimental data of an electrolytic cell in the prior art, the electrolytic cell in the prior art adopts an electrode structure in which one anode and one cathode are arranged at intervals, three anodes and four cathodes are arranged in a reaction cell, the anodes and the cathodes are arranged at intervals, the anodes and the cathodes are solid plates, wastewater flows through a gap between the anodes and the cathodes, the distance between the anodes and the cathodes is 10mm,
table 2 shows the experimental conditions and data of the electrode assembly structure of one anode plate and one cathode plate in the utility model, two electrode assembly structures are arranged in the reaction tank at intervals, the distance between the anode plate and the cathode plate in each electrode assembly structure is 2mm,
table 3 shows the experimental conditions and experimental data of the electrode group structure of one anode plate and two cathode plates in the present invention, wherein two electrode group structures are arranged at intervals in the reaction tank in the first experiment, the distance between the anode plate and the cathode plate at both sides of the anode plate in each electrode group structure is 1mm, two electrode group structures are arranged at intervals in the reaction tank in the second experiment, the distance between the anode plate and the cathode plate at both sides of the anode plate in each electrode group structure is 2mm,
table 1:
table 2:
table 3:
observing the above experimental results, we can conclude that:
conclusion one: comparing the data in tables 1 and 2, the distance between the anode and the cathode in table 1 was 10mm, the voltage was 5.4V, the initial value of COD was 245mg/L, and after 20 minutes, COD in the wastewater was 91 mg/L under otherwise identical conditions; the distance between the anode plate and the cathode plate in each electrode group structure in the table 2 is 2mm, the voltage is 4.6V, the initial value of COD is 265mg/L, and after 20 minutes, COD in the wastewater is 87mg/L, so that the voltage can be obviously reduced when the distance between the anode and the cathode is reduced from 10mm to 2mm, and the electric energy consumption is reduced;
and a second conclusion: comparing the data in the second experiment of the table 2 and the table 3, the electrode group structure of one anode plate and one cathode plate is adopted in the table 2, the electrode group structure of one anode plate and two cathode plates is adopted in the table 3, under the same other conditions, the voltage in the second experiment of the table 3 is 3.9V, the initial value of COD is 265mg/L, after 20 minutes, COD in the wastewater is 87mg/L, the initial value of COD is 265mg/L, after 20 minutes, COD in the wastewater is 103mg/L, the degradation effect of COD is approximate, and the current value of the two is 0.021A/cm 2 As can be seen, the voltage is reduced from 4.6V to 3.9V by adding a cathode plate, and the power consumption is reduced by 15%;
The utility model has the advantages of ingenious structure, extremely small distance between the cathode and the anode in the electrode group structure, low power consumption, good electrocatalysis effect and the like due to the adoption of the structure.
Claims (5)
1. The utility model provides an electrode group structure, includes the anode plate, anode plate one side interval is equipped with the negative plate, its characterized in that: the anode plate and the cathode plate are made of net materials respectively, and the minimum distance between the anode plate and the cathode plate is 0.5mm-1 mm.
2. An electrode assembly structure as claimed in claim 1, wherein: and the other side of the anode plate is provided with cathode plates at intervals.
3. An electrode group structure as claimed in claim 1 or 2, wherein: the material of the anode plate and the material of the cathode plate are respectively titanium metal, a catalyst coating is arranged on the surface of the anode plate, and the catalyst coating is fixedly connected with the anode plate.
4. An electrocatalytic electrolytic cell device comprising a reaction cell, characterized in that: the electrode group structure of claim 1 or 2 is arranged in the reaction tank from left to right at intervals, the front end and the rear end of the anode plate are fixedly abutted against the inner wall of the reaction tank, the lower end of the anode plate is fixedly abutted against the bottom plate of the reaction tank, the front end and the rear end of the cathode plate are fixedly abutted against the inner wall of the reaction tank, the lower end of the cathode plate is fixedly abutted against the bottom plate of the reaction tank, the anode plate and the cathode plate are respectively connected with a power supply, a left water inlet is arranged on the left side of the reaction tank, a right water outlet is arranged on the right side of the reaction tank, and water flow enters the reaction tank from the left water inlet and sequentially passes through the anode plate and the cathode plate of each electrode group structure to flow out from the right water outlet.
5. An electrocatalytic electrolytic cell device comprising a reaction cell, characterized in that: the electrode group structure of claim 1 or 2 is arranged in the reaction tank at intervals from bottom to top, the front end and the rear end and the left end and the right end of the anode plate are respectively abutted and fixed with the inner wall of the reaction tank, the front end and the rear end and the left end and the right end of the cathode plate are respectively abutted and fixed with the inner wall of the reaction tank, the anode plate and the cathode plate are respectively connected with a power supply, the lower end of the reaction tank is provided with a lower water inlet, the upper end of the reaction tank is provided with an upper water outlet, and water flow enters the reaction tank from the lower water inlet and sequentially passes through the anode plate and the cathode plate of each electrode group structure and flows out from the upper water outlet.
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| CN202111365707.9A CN114229963A (en) | 2021-11-18 | 2021-11-18 | Electrode group structure and electro-catalysis electrolytic cell device |
| CN2021113657079 | 2021-11-18 |
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