Electrode assembly structure and electro-catalytic electrolytic cell device

Abstract

The present application relates to wastewater treatment technical field, specifically point to a kind of electrode group structure and electro-catalytic electrolytic cell device, a kind of electrode group structure, including anode plate, anode plate at least one side is equipped with cathode plate, the minimum spacing between anode plate and cathode plate is between 0.5mm-1mm, anode plate or cathode plate respectively includes electrode plate body, electrode plate body lower end two sides are respectively equipped with electrode terminal block, electrode terminal strip lower end is matched with electrode terminal block through insertion slot and is electrically connected, electrode plate body is the anode plate body of anode plate, anode plate body and cathode plate are equipped with insulating spacer, a kind of electro-catalytic electrolytic cell device, including electrolytic cell, the electrolytic cell is equipped with the electrode group structure described above in interval, the anode plate and cathode plate are respectively with electrolytic cell inner wall abutting fixed, electrolytic cell one side is equipped with water inlet, the other side is equipped with water outlet, the electrode group structure in the present application anode and cathode between spacing is extremely small, current density distribution can be optimized, power consumption is low, electro-catalytic effect is good.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese patent application No. 2021113657079 filed on November 18, 2021, and invention name is electrode group structure and electrocatalytic electrolytic cell device, and priority to Chinese patent application No. 2022215551026 filed on June 21, 2022, and utility model name is electrode plate and electrolytic electrode plate connection mechanism. Technical Field

[0003] The present invention relates to the technical field of wastewater treatment, and in particular to an electrode group structure and an electrocatalytic electrolytic cell device. Background Art

[0004] As the environmental protection situation becomes increasingly severe, achieving zero wastewater discharge has become a necessary condition for the sustainable development of enterprises. Electrochemical water treatment technology, as an efficient, clean and environmentally friendly water treatment technology, has been increasingly valued and deeply studied and promoted for its advantages such as a wide variety of optional plates, no need to add chemical agents, good controllable working conditions and strong adaptability to water quality. After searching, Chinese patent CN211946390U discloses an electrocatalytic oxidation device for wastewater COD degradation, comprising: an electrolytic cell, with an inlet valve and a water production valve respectively provided at both ends of the electrolytic cell; a plurality of cathode plates arranged vertically and parallel; a plurality of anode plates arranged between the cathode plates; a power supply cabinet having a positive and negative pole, electrically connected to the cathode plate and the anode plate respectively; wherein, wastewater enters the electrolytic cell from the inlet valve, flows upward through the top of some cathode plates, flows downward through the bottom of another part of the cathode plates, and is discharged from the water production valve after horizontally penetrating the anode plates. The two sides of the cathode plates are connected to the electrolytic cell, and the bottom of some cathode plates is connected to the bottom of the electrolytic cell. The bottom of the other cathode plate is higher than the bottom of the electrolytic cell, and the top is higher than the top of the other cathode plates; so that the wastewater passes through the top of some cathode plates and the bottom of another part of the cathode plate. The shortcomings of the above patent are: first, in the above patent, wastewater can only flow between the anode and the cathode, and a channel needs to be left between the anode and the cathode so that the wastewater can pass through smoothly, which makes the spacing between the anode and the cathode cannot be set too small, generally 10 mm or more. In the prior art, the voltage required for electrocatalysis to achieve the required current density is high, so the power consumption is high and the electrocatalytic efficiency is low. Second, the terminals of the anode plate and the cathode plate in the above patent are all set at the upper end of the electrode plate, which results in more electrons flowing between the upper end of the anode plate and the upper end of the cathode plate close to the terminal, and less electrons flowing between the lower end of the anode plate and the lower end of the cathode plate far away from the terminal, resulting in uneven current density distribution. The current density at the upper end of the electrode plate close to the terminal is much greater than the current density at the lower end of the electrode plate, which greatly reduces the use efficiency of the electrode plate and reduces the electrocatalytic efficiency of the electrode plate. Summary of the Invention

[0005] The purpose of the present invention is to address the deficiencies of the prior art and to provide an electrode group structure and an electrocatalytic electrolytic cell device with an ingenious structure, extremely small spacing between the anode and cathode in the electrode group structure, optimized current density distribution, low power consumption, and good electrocatalytic effect.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] An electrode group structure includes an anode plate, and a cathode plate is provided on at least one side of the anode plate. The characteristic is that the anode plate and the cathode plate are respectively made of mesh materials, and the minimum spacing between the anode plate and the cathode plate is between 0.5mm and 1mm, so as to facilitate wastewater to pass through the mesh holes of the anode plate and the cathode plate. The anode plate and the cathode plate can be arranged horizontally or vertically, and the spacing between the anode plate and the cathode plate can be set to be extremely small. By reducing the spacing between the anode plate and the cathode plate in the electrode group structure, power consumption is reduced.

[0008] The anode plate or cathode plate described in the present invention respectively includes an electrode plate body, and electrode terminal strips are respectively provided on both sides of the electrode plate body. The lower end of the electrode terminal strip is fixedly connected to the lower end of the electrode plate body, and a gap is provided between the upper part of the electrode terminal strip and the electrode plate body to facilitate the introduction of current into the lower end of the electrode plate body through the electrode terminal strip, thereby optimizing the current density distribution and improving the use efficiency and catalytic efficiency of the anode plate or cathode plate.

[0009] The electrode plate body of the present invention is provided with electrode terminal blocks on both sides of the lower end, and the electrode terminal blocks are fixedly connected to the electrode plate body. The lower end of the electrode terminal strip is provided with a plug-in slot, and the plug-in slot cooperates with the electrode terminal block. The lower end of the electrode terminal strip is electrically connected to the electrode terminal block through the plug-in slot. The upper end surface of the electrode terminal strip is higher than the upper end surface of the electrode plate body. The electrode terminal strip is spaced apart from the electrode plate body to facilitate wiring, installation, maintenance and replacement of the electrode terminal strip. At the same time, it can be removed when not in use to prevent it from being damaged during transportation.

[0010] The lower end of the electrode terminal block of the present invention is fixedly connected to the electrode plate body, and the upper end of the electrode terminal block is pointed to facilitate quick plugging.

[0011] The electrode plate body described in the present invention is the anode plate body of the anode plate, and an insulating spacer is provided between the anode plate body and the cathode plate. The anode plate body is fixedly connected to the cathode plate via the insulating spacer, so that when the anode plate body and the cathode plate are connected, the electrode terminal block is set at the lower end, and the terminal post of the cathode plate is set at the upper end. The current enters from the lower end of the anode plate body, flows through the liquid phase between them, enters the cathode plate, and flows out from the upper end of the cathode plate, thereby optimizing the current density distribution.

[0012] The anode plate body, the insulating spacer and the cathode plate of the present invention are fixedly connected by insulating bolts, insulating washers and nuts, and are quick to connect and easy to disassemble and replace.

[0013] The insulating spacer of the present invention adopts a polytetrafluoroethylene gasket, which is easy to assemble and has good insulation performance.

[0014] The material of the anode plate and the material of the cathode plate of the present invention are titanium metal respectively. A catalyst coating is provided on the surface of the anode plate. The catalyst coating is fixedly connected to the anode plate to improve the wastewater treatment efficiency.

[0015] An electrocatalytic electrolytic cell device includes an electrolytic cell, characterized in that: the electrode group structure described above is arranged at intervals from left to right in the electrolytic cell, the anode plate and the cathode plate are respectively fixed against the wall of the electrolytic cell, the anode plate and the cathode plate are respectively connected to a power supply, a left water inlet is provided on the left side of the electrolytic cell, and a right water outlet is provided on the right side of the electrolytic cell. Water flows into the electrolytic cell from the left water inlet and vertically passes through the anode plate and cathode plate of each electrode group structure in turn and flows out from the right water outlet, so as to facilitate uniform distribution of water flow, reduce power consumption, and achieve good electrocatalytic effect.

[0016] An electrocatalytic electrolytic cell device includes an electrolytic cell, characterized in that: the electrode group structure described above is arranged at intervals from bottom to top in the electrolytic cell, the anode plate and the cathode plate are respectively fixed against the wall of the electrolytic cell, the anode plate and the cathode plate are respectively connected to a power supply, a lower water inlet is provided at the lower end of the electrolytic cell, and an upper water outlet is provided at the upper end of the electrolytic cell. Water flows into the electrolytic cell from the lower water inlet and vertically passes through the anode plate and cathode plate of each electrode group structure in turn and flows out from the upper water outlet, so as to facilitate uniform distribution of water flow, reduce power consumption, and achieve good electrocatalytic effect.

[0017] Due to the above structure, the present invention has the advantages of clever structure, extremely small distance between the anode and cathode in the electrode group structure, optimized current density distribution, low power consumption, and good electrocatalytic effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the anode plate in the present invention.

[0019] Figure 2 It is a structural schematic diagram of the cathode plate in the present invention.

[0020] Figure 3 It is a structural schematic diagram of the electrode group structure in the present invention.

[0021] Figure 4 In the present invention Figure 3 Enlarged schematic diagram of point A in the middle.

[0022] Figure 5 It is a structural schematic diagram of the electrocatalytic electrolytic cell device in the present invention.

[0023] Figure 6 It is another structural schematic diagram of the electrocatalytic electrolytic cell device in the present invention.

[0024] Figure numerals: anode plate 1, cathode plate 2, electrolytic cell 3, electrode group structure 4, left water inlet 5, right water outlet 6, lower water inlet 7, upper water outlet 8, electrode plate body 9, electrode terminal strip 10, electrode terminal block 11, insulating spacer 12, insulating bolt 13, nut 14. DETAILED DESCRIPTION

[0025] The specific embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

[0026] An electrode group structure includes an anode plate 1, and a cathode plate 2 is provided on at least one side of the anode plate 1. The characteristic is that the anode plate 1 and the cathode plate 2 are respectively made of mesh materials, and the minimum spacing between the anode plate 1 and the cathode plate 2 is between 0.5mm and 1mm, so as to facilitate wastewater to pass through the mesh holes of the anode plate and the cathode plate. The anode plate and the cathode plate can be arranged horizontally or vertically, and the spacing between the anode plate and the cathode plate can be set to be extremely small. By reducing the spacing between the anode plate and the cathode plate in the electrode group structure, power consumption is reduced.

[0027] The anode plate 1 or cathode plate 2 of the present invention respectively includes an electrode plate body 9, and electrode terminal strips 10 are respectively provided on both sides of the electrode plate body 9. The lower end of the electrode terminal strip 10 is fixedly connected to the lower end of the electrode plate body 9, and a gap is provided between the upper part of the electrode terminal strip 10 and the electrode plate body 9 to facilitate the introduction of current into the lower end of the electrode plate body through the electrode terminal strip, thereby optimizing the current density distribution and improving the use efficiency and catalytic efficiency of the anode plate or cathode plate.

[0028] The electrode plate body 9 of the present invention is provided with electrode terminal blocks 11 on both sides of the lower end, and the electrode terminal blocks 11 are fixedly connected to the electrode plate body 9. The lower end of the electrode terminal strip 10 is provided with a plug-in slot, and the plug-in slot cooperates with the electrode terminal block 11. The lower end of the electrode terminal strip 10 is electrically connected to the electrode terminal block 11 through the plug-in slot. The upper end surface of the electrode terminal strip 10 is higher than the upper end surface of the electrode plate body 9. The electrode terminal strip 10 is spaced apart from the electrode plate body 9 to facilitate wiring, installation, maintenance and replacement of the electrode terminal strip. At the same time, it can be removed when not in use to prevent it from being damaged during transportation.

[0029] The lower end of the electrode terminal block 11 of the present invention is fixedly connected to the electrode plate body 9, and the upper end of the electrode terminal block 11 is pointed to facilitate quick plugging.

[0030] The electrode plate body 9 described in the present invention is the anode plate body of the anode plate 1. An insulating spacer 12 is provided between the anode plate body and the cathode plate 2. The anode plate body is fixedly connected to the cathode plate 2 via the insulating spacer 12, so that when the anode plate body and the cathode plate are connected, the electrode terminal block is set at the lower end and the terminal post of the cathode plate is set at the upper end. The current enters from the lower end of the anode plate body, flows through the liquid phase between them, enters the cathode plate, and flows out from the upper end of the cathode plate, thereby optimizing the current density distribution.

[0031] The anode plate body, the insulating spacer 12 and the cathode plate 2 of the present invention are fixedly connected by insulating bolts 13, insulating washers and nuts 14, and the connection is quick and the disassembly and replacement are convenient.

[0032] The insulating spacer 12 of the present invention is made of polytetrafluoroethylene (PTFE) gasket, which is easy to assemble and has good insulation performance.

[0033] The anode plate 1 and the cathode plate 2 of the present invention are made of titanium metal respectively. A catalyst coating is provided on the surface of the anode plate 1. The catalyst coating is fixedly connected to the anode plate 1 to improve the wastewater treatment efficiency.

[0034] An electrocatalytic electrolytic cell device includes an electrolytic cell 3, characterized in that: the electrode group structure described above is arranged at intervals from left to right in the electrolytic cell 3, the anode plate 1 and the cathode plate 2 are respectively fixed against the wall of the electrolytic cell, the anode plate 1 and the cathode plate 2 are respectively connected to a power supply, a left water inlet 5 is provided on the left side of the electrolytic cell 3, and a right water outlet 6 is provided on the right side of the electrolytic cell 3. Water flows into the electrolytic cell 3 from the left water inlet 5 and vertically passes through the anode plate 1 and cathode plate 2 of each electrode group structure 4 in turn and flows out from the right water outlet 6, so as to facilitate uniform distribution of water flow, reduce power consumption, and achieve good electrocatalytic effect.

[0035] An electrocatalytic electrolytic cell device includes an electrolytic cell 3, characterized in that: the electrode group structure described above is arranged at intervals from bottom to top in the electrolytic cell 3, the anode plate 1 and the cathode plate 2 are respectively fixed against the wall of the electrolytic cell, the anode plate 1 and the cathode plate 2 are respectively connected to a power supply, a lower water inlet 7 is provided at the lower end of the electrolytic cell 3, and an upper water outlet 8 is provided at the upper end of the electrolytic cell 3. Water flows into the electrolytic cell 3 from the lower water inlet 7 and vertically passes through the anode plate 1 and cathode plate 2 of each electrode group structure 4 in turn and flows out from the upper water outlet 8, so as to facilitate uniform distribution of water flow, reduce power consumption, and achieve good electrocatalytic effect.

[0036] In the present invention, the anode plate is a titanium wire mesh material with a multi-metal catalyst coating, the cathode plate is a titanium wire mesh material, and the electrode plate body can be the anode plate body of the anode plate or the cathode plate body of the cathode plate. Figure 1 In this embodiment, the anode plate body of the electrode plate is used as an example for explanation, and the structure of the cathode plate is the same as that of the prior art, as shown in the attached figure. Figure 2The cathode plate terminals are arranged on both sides of the upper end of the cathode plate body. There are two electrode group structures provided in the present invention. One is composed of an anode plate and a cathode plate; the other is composed of an anode plate and two cathode plates, the anode plate is located 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;

[0037] As attached Figure 3 and attached Figure 4 In this embodiment, an anode plate is provided with two cathode plates to illustrate the fixed connection between the anode plate and the cathode plate. Figure 1 The electrode terminal strip of the anode plate body is connected to the electrode terminal block through the plug-in slot. The electrode terminal block is fixedly connected to the lower end of the anode plate body. The electrode terminal strip does not contact the anode plate body. Figure 3 and attached Figure 4 , cathode plates are placed on both sides of the anode plate body respectively, the anode plate body and the cathode plate are separated by an insulating spacer, the insulating bolts pass through the cathode plate, the insulating spacer, the anode plate body, the insulating spacer, and the cathode plate in sequence, and the two ends of the insulating bolts are fastened with nuts. In this way, one anode plate and two cathode plates are fixedly connected, wherein insulating spacers are clamped between the two ends of the insulating bolts and the nuts. The insulating bolts are made of polytetrafluoroethylene. When in use, there are two configurations of the electrode group structure placed in the electrolytic cell. One is as shown in the attached Figure 5 , as needed, several electrode group structures are arranged vertically and spaced apart in the electrolytic cell. When in use, wastewater enters the electrolytic cell from the left water inlet at the lower left end of the electrolytic cell, and the water flows vertically from left to right through the mesh of the anode plate and cathode plate of each electrode group structure, and flows out from the right water outlet at the upper right end of the electrolytic cell. The end cover at the upper end of the electrolytic cell can be opened; another method is as shown in the attached Figure 6, as needed, several electrode group structures are arranged horizontally and at intervals in the electrolytic cell. When in use, wastewater enters the electrolytic cell from the lower water inlet at the lower end of the electrolytic cell, and the water flows vertically from bottom to top through the mesh of the anode plate and the cathode plate of each group of electrode group structures, and flows out from the upper water outlet at the upper end of the electrolytic cell; the present invention provides electrode terminal strips on both sides of the anode plate body. When the electrode group structure is placed in the electrolytic cell, the electrode terminal strips on both sides of the anode plate body can be fixedly connected to the fixing ears on the wall of the electrolytic cell. The electrode terminal strips are fixed to the fixing ears by insulating bolts. The fixing ears are made of insulating material to prevent the anode plate body, the electrode terminal strips, and the cathode plate from shaking in the electrolytic cell. Then, the electrode terminal strips of the anode plate away from the end of the electrode terminal block and the terminal post of the cathode plate are respectively Just connect the wire. After the electrolytic cell is powered on, the current flows from the positive pole of the power supply to the electrode terminal strip, then to the electrode terminal block, then to the anode plate body, through the electrolyte of the electrolytic cell, then to the cathode plate body, then to the terminal post of the cathode plate, and then to the negative pole of the power supply. The electrons flow between the upper part of the cathode plate near the terminal post and the lower part of the anode plate near the electrode terminal block. Compared with the structure in the prior art where the terminal posts are both on the upper part of the anode and cathode, the electrocatalytic efficiency is improved, the current density distribution is optimized, and the utilization efficiency of the anode and cathode electrode plates is improved. Moreover, this connection structure of the anode plate and the cathode plate allows the distance between the anode plate and the cathode plate to be set very small. At the same time, it is easy to install and maintain, the electrode terminal strip is replaceable and can be removed when not in use, and will not be damaged during transportation.

[0038] The present invention can reduce the distance between the anode plate and the cathode plate in the electrode group structure, reduce the required voltage and thus reduce the energy consumption at the same current density, and achieve the effect of COD degradation. The following uses the electrocatalytic degradation of COD as an example to provide an experimental comparison between the electrolytic cell structure of the prior art and the electrolytic cell structure of the present invention.

[0039] The wastewater used in the following experiments all came from the same wastewater source and had the same salt content. In addition, the electrode group structure of the electrolytic cell in the prior art used flat-plate anode and cathode electrodes, which were parallel to the flow direction of the wastewater. The electrode group structure of the present invention used mesh anode and cathode electrode plates, which were perpendicular to the flow direction of the wastewater. Under the condition of keeping the current density constant in the experiment, the electrode areas of the flat-plate anode and cathode electrodes and the mesh anode and cathode electrode plates were calculated according to their geometric dimensions. The results are as follows:

[0040] Table 1 shows the experimental conditions and experimental data of the electrolytic cell in the prior art. The electrolytic cell in the prior art adopts an electrode structure in which an anode and a cathode are spaced apart. Three anodes and four cathodes are set in the electrolytic cell. The anodes and cathodes are spaced apart. The anodes and cathodes are solid plates. The wastewater flows through the gap between the anodes and cathodes. The spacing between the anodes and cathodes is 10 mm.

[0041] Table 2 shows the experimental conditions and experimental data for the electrode group structure of the present invention, which includes one anode plate and one cathode plate. Two electrode group structures are arranged in an electrolytic cell, and the spacing between the anode plate and the cathode plate in each electrode group structure is 2 mm.

[0042] 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. In Experiment 1, two electrode group structures were set apart in the electrolytic cell, and the spacing between the anode plate and the cathode plates on both sides of each electrode group structure was 1 mm. In Experiment 2, two electrode group structures were set apart in the electrolytic cell, and the spacing between the anode plate and the cathode plates on both sides of each electrode group structure was 2 mm.

[0043] Table 1:

[0044]

[0045] Table 2:

[0046]

[0047] Table 3:

[0048]

[0049] Observing the above experimental results, we can draw the following conclusions:

[0050] Conclusion 1: Comparing the data in Table 1 and Table 2, under the same other conditions, the distance between the anode and the cathode in Table 1 is 10 mm, the voltage is 5.4 V, the initial value of COD is 245 mg / L, and after 20 minutes, the COD in the wastewater is 91 mg / L; the distance between the anode plate and the cathode plate in each electrode group structure in Table 2 is 2 mm, the voltage is 4.6 V, the initial value of COD is 265 mg / L, and after 20 minutes, the COD in the wastewater is 87 mg / L. It can be clearly seen that when the distance between the anode and cathode electrodes is reduced from 10 mm to 2 mm, the voltage can be significantly reduced, thereby reducing the energy consumption, and the COD degradation efficiency is slightly higher. In the present invention, the anode plate and the cathode plate adopt a mesh structure, and the wastewater flow can pass through the mesh of the anode plate and the cathode plate, which can reduce the distance between the anode plate and the cathode plate in the electrode group structure, reduce the energy consumption, and achieve better electrocatalytic effect;

[0051] Conclusion 2: comparing the data in Table 2 and Table 3 in Experiment 2, the electrode group structure in Table 2 adopts one anode plate and one cathode plate, and the electrode group structure in Table 3 adopts one anode plate and two cathode plates, under the condition that other conditions are the same, the voltage in Table 2 is 4.6V, the initial value of COD is 265mg / L, after 20 minutes, the COD in the wastewater is 87mg / L, the voltage in Table 3 is 3.9V, the initial value of COD is 265mg / L, after 20 minutes, the COD in the wastewater is 103mg / L, the COD degradation effects are close, and the current values of the two are both 0.021A / cm 2 It can be seen that the voltage is reduced from 4.6V to 3.9V by adding one cathode plate, and the power consumption is reduced by 15%;

[0052] Conclusion 3: comparing the data in Experiment 1 and Experiment 2 in Table 3, the distance between the anode plate and the cathode plate in the electrode group structure in Experiment 1 is 1mm, and the distance between the anode plate and the cathode plate in the electrode group structure in Experiment 2 is 2mm, under the condition that other conditions are the same, the voltage in Experiment 1 is 3.6V, the initial value of COD is 265mg / L, after 20 minutes, the COD in the wastewater is 102mg / L, the voltage in Experiment 2 is 3.9V, the initial value of COD is 265mg / L, after 20 minutes, the COD in the wastewater is 103mg / L, it can be seen that when the distance between the anode plate and the cathode plate in the electrode group structure changes from 1mm to 2mm, the voltage rises from 3.6V to 3.9V, and the COD degradation effects are close, which shows that shortening the distance between the anode plate and the cathode plate in the electrode group structure can greatly reduce the voltage, and then reduce the energy consumption and the operation cost.

[0053] The electrode group structure has the advantages of ingenious structure, extremely small distance between the anode and the cathode, optimal current density distribution, low power consumption, good electro-catalysis effect and the like.

Claims

1. An electrocatalytic electrolytic cell device, comprising an electrolytic cell, characterized in that: Electrode group structures are arranged at intervals from left to right in the electrolytic cell, and the electrode group structure includes an anode plate, and a cathode plate is provided on at least one side of the anode plate. The anode plate and the cathode plate are respectively made of mesh materials, and the minimum spacing between the anode plate and the cathode plate is between 0.5mm and 1mm. The anode plate and the cathode plate are respectively fixed against the wall of the electrolytic cell, and the anode plate and the cathode plate are respectively connected to the power supply. A left water inlet is provided on the left side of the electrolytic cell, and a right water outlet is provided on the right side of the electrolytic cell. Water flows into the electrolytic cell from the left water inlet and vertically passes through the anode plate and the cathode plate of each electrode group structure in turn and flows out from the right water outlet. The anode plate or the cathode plate respectively includes an electrode plate body, and electrode terminal strips are respectively provided on both sides of the electrode plate body. The lower end of the electrode terminal strip is fixedly connected to the lower end of the electrode plate body. There is a gap between the upper part of the electrode terminal strip and the electrode plate body, the electrode terminal strip is fixedly connected to the fixing ear on the wall of the electrolytic cell, electrode terminal blocks are respectively provided on both sides of the lower end of the electrode plate body, the electrode terminal block is fixedly connected to the electrode plate body, the lower end of the electrode terminal strip is provided with a plug-in slot, the plug-in slot cooperates with the electrode terminal block, the lower end of the electrode terminal strip is electrically connected to the electrode terminal block through the plug-in slot, the upper end face of the electrode terminal strip is higher than the upper end face of the electrode plate body, the electrode terminal strip and the electrode plate body are spaced apart, the electrode plate body is the anode plate body of the anode plate, an insulating spacer is provided between the anode plate body and the cathode plate, the anode plate body is fixedly connected to the cathode plate through the insulating spacer, and the end of the electrode terminal strip of the anode plate away from the electrode terminal block and the terminal post of the cathode plate are respectively connected to the wire.

2. The electrocatalytic electrolytic cell device according to claim 1, characterized in that: The anode plate and the cathode plate are made of titanium metal respectively. A catalyst coating is provided on the surface of the anode plate, and the catalyst coating is fixedly connected to the anode plate.

3. An electrocatalytic electrolysis cell device according to claim 1 or 2, characterized in that: The upper end of the electrode connection block is pointed.

4. The electrocatalytic electrolytic cell device according to claim 1 or 2, characterized in that: The anode plate body, the insulating spacer and the cathode plate are fixedly connected via insulating bolts, insulating washers and nuts.

5. The electrocatalytic electrolytic cell device according to claim 1 or 2, characterized in that: The insulating spacer is a polytetrafluoroethylene spacer.

6. An electrocatalytic electrolytic cell device, comprising an electrolytic cell, characterized in that: The electrolytic cell is provided with electrode group structures spaced from bottom to top, the electrode group structure including an anode plate, a cathode plate provided on at least one side of the anode plate, the anode plate and the cathode plate respectively using mesh materials, the minimum spacing between the anode plate and the cathode plate is between 0.5 mm and 1 mm, the anode plate and the cathode plate are respectively fixed against the wall of the electrolytic cell, the anode plate and the cathode plate are respectively connected to a power supply, the lower end of the electrolytic cell is provided with a lower water inlet, the upper end of the electrolytic cell is provided with an upper water outlet, water flows into the electrolytic cell from the lower water inlet and passes vertically through the anode plate and cathode plate of each electrode group structure in turn and flows out from the upper water outlet, the anode plate or the cathode plate respectively includes an electrode plate body, electrode terminal strips are respectively provided on both sides of the electrode plate body, the lower end of the electrode terminal strip is fixedly connected to the lower end of the electrode plate body, the There is a gap between the upper part of the electrode terminal strip and the electrode plate body, the electrode terminal strip is fixedly connected to the fixing ear on the wall of the electrolytic cell, electrode terminal blocks are respectively provided on both sides of the lower end of the electrode plate body, the electrode terminal block is fixedly connected to the electrode plate body, the lower end of the electrode terminal strip is provided with a plug-in slot, the plug-in slot cooperates with the electrode terminal block, the lower end of the electrode terminal strip is electrically connected to the electrode terminal block through the plug-in slot, the upper end face of the electrode terminal strip is higher than the upper end face of the electrode plate body, the electrode terminal strip and the electrode plate body are spaced apart, the electrode plate body is the anode plate body of the anode plate, an insulating spacer is provided between the anode plate body and the cathode plate, the anode plate body is fixedly connected to the cathode plate through the insulating spacer, and the end of the electrode terminal strip of the anode plate away from the electrode terminal block and the terminal post of the cathode plate are respectively connected to the wire.

7. The electrocatalytic electrolysis cell device according to claim 6, characterized in that: The anode plate and the cathode plate are made of titanium metal respectively. A catalyst coating is provided on the surface of the anode plate, and the catalyst coating is fixedly connected to the anode plate.

8. The electrocatalytic electrolysis cell device according to claim 6 or 7, characterized in that: The upper end of the electrode connection block is pointed.

9. The electrocatalytic electrolysis cell device according to claim 6 or 7, characterized in that: The anode plate body, the insulating spacer and the cathode plate are fixedly connected via insulating bolts, insulating washers and nuts.

10. The electrocatalytic electrolysis cell device according to claim 6 or 7, characterized in that: The insulating spacer is a polytetrafluoroethylene spacer.

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