A vertical electric flocculation wastewater treatment device convenient to maintain

Abstract

This utility model discloses a maintenance-friendly vertical electrocoagulation wastewater treatment device, including a frame, a cover plate assembly, a rotating shaft, cathode copper busbars, and anode copper busbars. The frame has a clamping assembly at the top. The cover plate assembly has an outlet and a motor support at the top, and an inlet and a lower bearing seat at the bottom. The cover plate assembly also has electrode plate seats, with cathode and anode plates alternately arranged between each pair of electrode plate seats, and leak-proof sealing rings between the contact surfaces. A cleaning brush is mounted on the rotating shaft. A motor and a reducer connected to the rotating shaft are fixedly installed on the top of the motor support. The cathode and anode copper busbars are symmetrically arranged on the outside of the cover plate assembly and are respectively connected to the cathode and anode plates. This utility model achieves descaling without stopping the machine by cooperating with the rotating shaft and the cleaning brush, extending equipment life and reducing maintenance frequency. The alternate arrangement of the electrode plates facilitates disassembly and assembly, resulting in a longer wastewater flow path, more complete electrolysis, effective removal of pollutants, low energy consumption, and convenient maintenance.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment equipment technology, specifically to a vertical electrocoagulation wastewater treatment device that is easy to maintain. Background Technology

[0002] Electrocoagulation wastewater treatment equipment is widely used in many fields, such as industrial wastewater treatment for electroplating wastewater, rare earth production wastewater, smelting wastewater, circuit board wastewater, fluoride-containing wastewater, textile dyeing wastewater, oily wastewater, food processing wastewater, chemical wastewater, pharmaceutical wastewater, and landfill leachate wastewater. However, traditional electrocoagulation wastewater treatment equipment has several shortcomings: First, as wastewater treatment progresses, scale gradually accumulates on the electrode surface, and electrode polarization occurs after about 7 days of operation, reducing electrolysis efficiency, leading to poor treatment results, and increasing power and electrode consumption; second, traditional equipment typically uses a design with large electrode spacing, high voltage, and low current density, resulting in low electrolysis efficiency and a long electrolysis time, affecting wastewater treatment efficiency; finally, in order to effectively solve the electrode polarization problem, existing technologies use thinner electrodes, which, while temporarily alleviating the polarization problem, significantly shortens the anode plate's lifespan to about 10 days, thus increasing maintenance difficulty and frequency. Furthermore, traditional equipment often employs a vertical, enclosed electrolytic cell design, which has a complex sealing and fixing method. Replacing consumable anode plates requires complete disassembly, significantly reducing maintenance convenience. In summary, traditional electrocoagulation wastewater treatment equipment faces challenges in terms of efficiency, energy consumption, floor space, and maintenance, and requires improvement. Utility Model Content

[0003] To address the shortcomings of traditional electrocoagulation equipment, such as easy scaling on the electrode plates, low electrolysis efficiency, short lifespan, and inconvenient maintenance, this utility model provides a vertical electrocoagulation wastewater treatment device that can achieve descaling without disassembly, improve electrolysis efficiency, extend service life, and facilitate maintenance.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A maintenance-friendly vertical electrocoagulation wastewater treatment device includes a frame, a cover plate assembly, a rotating shaft, cathode copper busbars, and anode copper busbars. The cover plate assembly is installed inside the frame and has a clamping assembly at the top. The cover plate assembly has an outlet and a motor support at the top, and an inlet and a lower bearing seat at the bottom. The cover plate assembly also includes several electrode plate seats, several cathode plates, and several anode plates. The electrode plate seats are stacked and connected, and the cathode and anode plates are staggered between pairs of electrode plate seats. Leak-proof sealing rings are provided between the contact surfaces of the cover plate assembly and the electrode plate seats, and between the cathode or anode plate and the electrode plate seats. The rotating shaft passes through the cover plate assembly, anode plates, or cathode plates. The mounting holes are installed at the bottom end in the lower bearing seat; a cleaning brush connected to the rotating shaft is also provided between the cathode plate and the anode plate, and through holes are opened on the right side of each cathode plate and the left side of each anode plate, with mounting holes in the middle; a motor and reducer connected together are fixedly installed on the top of the motor bracket, and the bottom of the motor and reducer passes through the motor bracket and is connected to the rotating shaft through a coupling; the end of the clamping assembly passes through the frame and abuts against the top of the motor bracket; the cathode copper busbar and the anode copper busbar are symmetrically arranged on the outside of the cover plate assembly, and the cathode copper busbar is equipped with a cable and connects all the cathode plates through the cable, and the anode copper busbar is equipped with a cable and connects all the anode plates through the cable.

[0006] Furthermore, the cover plate assembly includes an upper cover plate and a lower cover plate; the upper cover plate has a water outlet at the top, a motor bracket connected to the outer periphery of the top surface, and a sealing mechanism with an upper bearing seat embedded in the middle; the lower cover plate has a water inlet at the bottom, a lower bearing seat connected to the middle of the bottom surface, and a base fixedly installed on the outer periphery, with the base fixedly installed in the middle of the bracket. The rotating shaft passes through the upper bearing seat of the sealing mechanism, the mounting holes of the cathode plate and anode plate, and the lower cover plate before connecting to the lower bearing seat, making the entire cover plate assembly stable and reliable; by setting the upper and lower bearing seats, the wear of the rotating shaft is reduced, and the service life of the equipment is increased.

[0007] Furthermore, the sealing mechanism includes a packing seal base plate, a bushing, and a packing gland. The bushing is embedded in the middle of the upper cover plate, filled with packing material, connected to the packing seal base plate at the bottom, and connected to the packing gland at the top. The top of the packing gland is connected to an upper bearing seat, in which a bearing is rotatably mounted. The rotating shaft passes through the upper bearing seat and connects to the bearing, then passes through the packing gland, the packing material, and the packing seal base plate before extending downwards. The bushing is embedded in the middle of the upper cover plate, and then filled with packing material. The bottom of the packing material is connected to the packing seal base plate, and the top is connected to the packing gland, forming a complete sealing structure. The top of the packing gland is connected to the upper bearing seat, in which a bearing is rotatably mounted. When assembled, the rotating shaft passes sequentially through the bearing housing, packing gland, packing, and packing seal base plate before extending downwards, ensuring that the entire rotating shaft can rotate freely while maintaining efficient sealing. The packing can be of various types. By adopting a packing seal and combining it with a packing seal base plate, bushing, and packing gland, not only is the sealing effect enhanced, but adjustment and maintenance are also facilitated. In addition, the good sealing structure reduces the risk of external impurities entering the system, which helps maintain the long-term stable operation of the equipment and reduces maintenance costs and frequency.

[0008] Furthermore, the electrode holder is symmetrically provided with two sets of protrusions on its outer periphery. These two sets of protrusions are respectively located on both sides of the cathode copper busbar and the anode copper busbar. Each set of protrusions is also provided with a cover, and the bottom of each protrusion has a corresponding connecting hole. The two electrode holders are positioned by connecting blocks. After the cathode plate or anode plate is installed on top of the electrode holder, the top of the lower protrusion is positioned and connected to the connecting hole of the upper protrusion between the two electrode holders. After the cover assembly is installed, the cathode copper busbar or anode copper busbar is installed. Then, the cover is used to connect to the protrusion group, covering the cathode copper busbar or anode copper busbar within the cover, with the top of the copper busbar protruding through the cover for easy connection to the power supply. This design enhances the accuracy and stability of the electrode installation, effectively preventing uneven electrolysis caused by electrode position misalignment. The cover not only improves safety but also reduces the impact of the external environment on electrical components. Moreover, the design of the connecting blocks and connecting holes simplifies the assembly and disassembly process, improving maintenance efficiency.

[0009] Furthermore, both the upper and lower ends of the electrode holder are provided with annular grooves for placing sealing rings. When installing the cathode or anode plate, the sealing rings are first accurately placed into the annular grooves at both ends of the electrode holder, and then the electrode plates are placed on the electrode holder. This design ensures that each electrode plate and the electrode holder can form a good sealing effect, preventing leakage of sewage or substances generated during electrolysis, and ensuring the stability and safety of the electrolysis process. The annular grooves facilitate the positioning and installation of the sealing rings and improve the sealing effect.

[0010] Furthermore, the rotating shaft is evenly provided with several positioning sleeves, and a limiting ring is provided in the middle of the positioning sleeves; the cleaning brush includes a U-shaped connecting sleeve that cooperates with the positioning sleeve, and connecting rods are symmetrically provided on both sides of the U-shaped connecting sleeve. One connecting rod has bristles at the top, and the other connecting rod has bristles at the bottom. The U-shaped connecting sleeve is made of plastic, which is easy to assemble and disassemble. The cleaning brush is connected to the positioning sleeve through the U-shaped connecting sleeve and limited by the limiting ring. Disassembly is convenient. In use, the bristles on the side of the connecting rod contact the anode plate or cathode plate on the top or bottom surface, respectively. The rotating shaft drives the cleaning to achieve cleaning. The positioning sleeve and the limiting ring ensure that the cleaning brush is stably installed. The U-shaped connecting sleeve design allows the bristles to effectively contact the surface of the electrode plate, improving cleaning efficiency and maintaining the high-efficiency operation of the equipment.

[0011] Furthermore, the clamping assembly includes at least one pair of nut blocks and a clamping screw connected to the nut blocks. The threaded blocks are symmetrically arranged on the top of the frame. The clamping screw passes through the threaded blocks and the frame, then extends downwards, finally abutting against the top of the motor bracket. The clamping screw passes through the nut blocks and connects to the frame, then extends downwards, finally abutting against the top of the motor bracket. By rotating the clamping screw, the clamping operation is achieved through the engagement between the threads and the nut blocks, ensuring a tight connection between all components and achieving a sealing effect. Conversely, loose contact sealing facilitates the inspection and replacement of components.

[0012] Furthermore, both the cathode plate and the anode plate have mounting holes equipped with a central positioning sleeve and a connecting sleeve. The connecting sleeve connects to the mounting hole of the cathode plate or anode plate, and the central positioning sleeve rotates and engages with the connecting sleeve, with the central positioning sleeve rotatably mounted on a rotating shaft. The rotational engagement of the central positioning sleeve and the connecting sleeve, and their mounting on the rotating shaft, allows the rotating shaft to position and support the electrode plate through the engagement with the positioning sleeve. This achieves a stable connection and precise positioning between the electrode plate and the rotating shaft, ensuring that the electrode plate does not shift during operation, improving operational stability. Simultaneously, the relative rotation between the central positioning sleeve and the connecting sleeve reduces frictional resistance during rotation, lowers energy consumption, and extends the equipment's service life.

[0013] How to use:

[0014] The through-holes are elliptical, which increases the flow rate. The cathode and anode copper busbars are connected to the power supply. Wastewater to be treated enters through the inlet, and the outlet connects to the sedimentation tank. The wastewater flows sequentially along the through-holes of the cathode and anode plates for electrolysis, extending the wastewater's retention time and allowing for more complete electrolysis. During operation, under the action of direct current, the anode is dissolved, and through a series of hydrolysis, polymerization, and ferrous oxidation processes, it develops into various hydroxyl complexes, polynuclear hydroxyl complexes, and even hydroxides. This causes colloidal and suspended impurities in the wastewater to coagulate. Charged pollutant particles migrate in the electric field, and some of their charge is neutralized by the electrodes, promoting destabilization and sedimentation. Simultaneously, during the electrolytic flocculation treatment of wastewater, not only colloidal particles... Impurities and suspended impurities have a coagulation and sedimentation effect, and due to the oxidation of the anode and the reduction of the cathode, it can also remove a variety of pollutants from the water. When in use, the motor can be turned on, and the motor and reducer work together to drive the rotating shaft to rotate. The rotating shaft drives the cleaning brush to rotate. During the rotation of the cleaning brush, it comes into contact with the surface of the cathode plate or anode plate, which can remove the dirt attached to it in a timely and effective manner. The rotation of the cleaning brush also ensures that the wastewater is in full contact with the electrodes, improving the wastewater removal effect. When disassembling, first loosen the clamping assembly, then take out the top of the cover plate assembly, and at the same time take out the rotating shaft. Then the stacked electrode holders, cathode plates or anode plates can be quickly removed for corresponding maintenance or replacement operations. After reassembly, they can be clamped by the clamping assembly to complete the sealing of the device.

[0015] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0016] 1. This utility model achieves descaling without disassembly by using a rotating shaft and a cleaning brush, solving the problem of easy scaling on the electrode plates of traditional equipment. It also extends the service life of the equipment, reduces the maintenance frequency, and the cathode or anode plates are staggered between the stacked electrode plates for easy disassembly and assembly. Wastewater flows between the cathode and anode plates through the through holes, increasing the residence time and making electrolysis more complete, effectively removing various pollutants. The motor drives the cleaning brush on the rotating shaft to rotate, promptly removing dirt, improving the electrolysis treatment effect, reducing the energy consumption required for electrolysis, and making overall maintenance convenient.

[0017] 2. This utility model ensures overall structural stability, reduces shaft wear, and extends service life through the cooperation of the upper and lower cover plates with the rotating shaft and bearing seat. The electrode holder is symmetrically equipped with protrusions and covers on its outer periphery to improve the installation accuracy and stability of the electrode plates, prevent uneven electrolysis, and enhance safety and resistance to environmental interference. The design of the connecting block and connecting hole facilitates assembly and maintenance. The upper and lower ends of the electrode holder are provided with annular grooves for installing sealing rings, which enhances the sealing between the electrode plate and the electrode holder, prevents leakage, and improves electrolysis stability and safety.

[0018] 3. This utility model achieves efficient sealing and stable operation of the rotating shaft through the combination design of the packing sealing structure and bearing; the cleaning brush adopts a U-shaped connecting sleeve and positioning sleeve to improve cleaning efficiency and facilitate disassembly and assembly; the clamping assembly is equipped with a nut block and a clamping screw to enhance sealing performance and maintenance convenience; the electrode mounting hole is equipped with a center positioning sleeve and a connecting sleeve to ensure accurate positioning of the electrode, reduce frictional resistance, and extend service life. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is an enlarged schematic diagram of the sealing mechanism of this utility model.

[0021] Figure 3 This is a schematic diagram of the connection relationship of the electrode plate holder of this utility model.

[0022] Attached image labels:

[0023] Frame—1, Outlet—21, Motor bracket—22, Inlet—23, Lower bearing seat—24, Electrode seat—25, Protrusion—251, Connecting hole—252, Annular groove—253, Motor and reducer—26, Upper cover plate—27, Upper bearing seat—271, Lower cover plate—28, Cover—29, Rotating shaft—3, Positioning sleeve—31, Cathode copper busbar—41, Anode copper busbar—42, Cathode plate—43, Anode plate—44, Through hole—45, Clamping assembly—6, Nut block—61, Clamping screw—62, Sealing ring—7, Sealing mechanism—8, Packing sealing base plate—81, Bushing—82, Packing gland—83, U-shaped cleaning brush—9, Shaped connecting sleeve—91, Connecting rod—92, Brush bristles—93. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] Example 1: A vertical electrocoagulation wastewater treatment device for easy maintenance includes a frame 1, a cover plate assembly, a rotating shaft 3, a cathode copper busbar 41, and an anode copper busbar 42. The cover plate assembly is installed inside the frame 1, and a clamping assembly 6 is provided at the top. The top of the cover plate assembly has an outlet 21 and a motor bracket 22, and the bottom has an inlet 23 and a lower bearing seat 24. The cover plate assembly also has several electrode plate seats 25, several cathode plates 43, and several anode plates 44 in the middle. The electrode plate seats 25 are stacked and connected, and the cathode plates 43 and anode plates 44 are staggered between pairs of electrode plate seats 25. Leak-proof sealing rings 7 are provided between the contact surfaces of the cover plate assembly and the electrode plate seats 25, and between the contact surfaces of the cathode plates 43 or anode plates 44 and the electrode plate seats 25. The rotating shaft 3 passes through the cover plate assembly, the anode plates 44, and the cathode plates 43 or anode plates 44. The mounting holes of the cathode plate 43 are installed at the bottom end in the lower bearing seat 24; a cleaning brush connected to the rotating shaft 3 is also provided between the cathode plate 43 and the anode plate 44, and through holes 45 are respectively opened on the right side of each cathode plate 43 and the left side of each anode plate 44, with mounting holes in the middle; a motor and reducer 26 connected together are fixedly installed on the top of the motor bracket 22, and the bottom of the motor and reducer 26 passes through the motor bracket 22 and is connected to the rotating shaft 3 through a coupling; the end of the clamping assembly 6 passes through the frame 1 and abuts against the top of the motor bracket 22; the cathode copper busbar 41 and the anode copper busbar 42 are symmetrically arranged on the outside of the cover plate assembly, and the cathode copper busbar 41 is provided with a cable and connects all the cathode plates 43 through the cable, and the anode copper busbar 42 is provided with a cable and connects all the anode plates 44 through the cable.

[0026] How to use:

[0027] The through-hole 45 is elliptical, which increases the flow rate. The cathode copper busbar 41 and anode copper busbar 42 are connected to a power source. The inlet 23 allows the wastewater to be treated to pass through, and the outlet 21 connects to a sedimentation tank. The wastewater flows sequentially along the through-hole 45 of the cathode plate 43 and anode plate 44 for electrolysis, extending the wastewater's retention time and allowing for more complete electrolysis. During operation, under the action of direct current, the anode of the cathode plate 43 and anode plate 44 is dissolved. Through a series of hydrolysis, polymerization, and ferrous oxidation processes, various hydroxyl complexes, polynuclear hydroxyl complexes, and even hydroxides are developed, causing colloidal and suspended impurities in the wastewater to coagulate. Charged pollutant particles migrate in the electric field, and some of their charge is neutralized by the electrodes, promoting destabilization and sedimentation. Simultaneously, during the electrolytic flocculation treatment of wastewater, not only... It has a coagulation and sedimentation effect on colloidal and suspended impurities, and due to the oxidation of the anode and the reduction of the cathode, it can also remove a variety of pollutants from the water. When in use, the motor can be turned on, and the motor and reducer 26 work together to drive the rotating shaft 3 to rotate. The rotating shaft 3 drives the cleaning brush to rotate. During the rotation of the cleaning brush, it comes into contact with the surface of the cathode plate 43 or anode plate 44, which can remove the dirt attached to it in a timely and effective manner. The rotation of the cleaning brush also makes the wastewater fully contact the electrode, improving the wastewater removal effect. When disassembling, first loosen the clamping assembly 6, then take out the top of the cover plate assembly, and at the same time take out the rotating shaft 3. Then the stacked electrode plate seat 25, cathode plate 43 or anode plate 44 can be quickly removed for corresponding maintenance or replacement operations. After reassembly, it can be clamped by the clamping assembly 6 to complete the sealing of the device.

[0028] Example 2: Unlike Example 1, the cover plate assembly includes an upper cover plate 27 and a lower cover plate 28. The upper cover plate 27 has a water outlet 21 at its top, a motor bracket 22 connected to the outer periphery of its top surface, and a sealing mechanism 8 with an upper bearing seat embedded in the middle. The lower cover plate 28 has a water inlet 23 at its bottom, a lower bearing seat 24 connected to the middle of its bottom surface, and a base fixedly installed on its outer periphery, which is fixedly installed in the middle of the bracket. The rotating shaft 3 passes through the upper bearing seat 271 of the sealing mechanism 8, the mounting holes of the cathode plate 43 and the anode plate 44, and the lower cover plate 28 before connecting to the lower bearing seat 24. The entire cover plate assembly is stable and reliable. By setting the upper bearing seat 271 and the lower bearing seat 24, the wear of the rotating shaft 3 is reduced, and the service life of the equipment is increased.

[0029] The sealing mechanism 8 includes a packing sealing base plate 81, a bushing 82, and a packing gland 83. The bushing 82 is embedded in the middle of the upper cover plate 27, and is filled with packing material. The bottom of the bushing 82 is connected to the packing sealing base plate 81, and the top is connected to the packing gland 83. The top of the packing gland 83 is connected to an upper bearing seat 271, where a bearing is rotatably mounted. The rotating shaft 3 passes through the upper bearing seat 271 and connects to the bearing, then passes through the packing gland 83, the packing material, and the packing sealing base plate 81 before extending downwards. The bushing 82 is embedded in the middle of the upper cover plate 27, and is filled with packing material. The bottom of the packing material is connected to the packing sealing base plate 81, and the top is connected to the packing gland 83, forming a complete sealing structure. The top of the packing gland 83 is connected to the upper bearing seat 271, where a bearing is rotatably mounted. When assembled, the rotating shaft 3 passes sequentially through the bearing housing, packing gland 83, packing, and packing seal base plate 81 before extending downwards, ensuring that the entire rotating shaft 3 can rotate freely while maintaining efficient sealing. The packing can be made of conventional materials such as plastic, metal, or graphite. By using a packing seal and combining it with the packing seal base plate 81, bushing 82, and packing gland 83, not only is the sealing effect enhanced, but adjustment and maintenance are also facilitated. In addition, the good sealing structure reduces the risk of external impurities entering the system, which helps maintain the long-term stable operation of the equipment and reduces maintenance costs and frequency.

[0030] Example 3: The difference from Example 1 is that the electrode plate seat 25 is symmetrically provided with two sets of protrusions 251 on the outer periphery. The two sets of protrusions 251 are respectively provided on both sides of the cathode copper busbar 41 and the anode copper busbar 42. Each set of protrusions 251 is also provided with a cover 29 on the outside. The bottom of each protrusion 251 is provided with a connecting hole 252 corresponding to the protrusion 251. The two electrode plate seats 25 are positioned by connecting blocks. After the cathode plate 43 or anode plate 44 is installed on the electrode plate holder 25, the top of the lower protrusion 251 and the connecting hole 252 of the upper protrusion 251 are positioned and connected between the two electrode plate holders 25. After the cover plate assembly is installed, the cathode copper busbar 41 or anode copper busbar 42 is installed. Then, the cover 29 is connected to the protrusion 251 to cover the cathode copper busbar 41 or anode copper busbar 42 in the cover 29, with the top of the copper busbar protruding out of the cover 29 for easy connection to the power supply. This design enhances the accuracy and stability of the electrode plate installation and effectively prevents uneven electrolysis caused by electrode plate position displacement. The cover 29 not only improves safety but also reduces the impact of the external environment on electrical components. Moreover, the design of the connecting block and the connecting hole 252 simplifies the assembly and disassembly process and improves maintenance efficiency.

[0031] The rotating shaft 3 is evenly provided with several positioning sleeves 31, and a limiting ring is provided in the middle of the positioning sleeve 31. The cleaning brush includes a U-shaped connecting sleeve 91 that cooperates with the positioning sleeve 31. Connecting rods 92 are symmetrically provided on both sides of the U-shaped connecting sleeve 91. One connecting rod 92 has bristles 93 at the top and the other connecting rod 92 has bristles 93 at the bottom. The U-shaped connecting sleeve 91 is made of plastic, which is easy to disassemble and assemble. The cleaning brush is connected to the positioning sleeve 31 through the U-shaped connecting sleeve 91 and is limited by the limiting ring. Disassembly is convenient. When in use, the bristles 93 on the side of the connecting rod 92 contact the anode plate 44 or cathode plate 43 on the top or bottom surface, respectively. The rotating shaft 3 drives the brush to clean. The positioning sleeve 31 and the limiting ring ensure that the cleaning brush is securely installed. The design of the U-shaped connecting sleeve 91 allows the bristles 93 to effectively contact the surface of the electrode plate, improving cleaning efficiency and maintaining the high-efficiency operation of the equipment.

[0032] Example 4: The difference from Example 3 is that the electrode holder 25 has annular grooves 253 at both its upper and lower ends for placing the sealing rings 7. When installing the cathode plate 43 or anode plate 44, the sealing rings 7 are first accurately placed into the annular grooves 253 at both ends of the electrode holder 25, and then the electrode plates are placed on the electrode holder 25. This design ensures a good seal between each electrode plate and the electrode holder 25, preventing leakage of wastewater or substances generated during electrolysis, and ensuring the stability and safety of the electrolysis process. The annular grooves 253 facilitate the positioning and installation of the sealing rings 7 and improve the sealing effect.

[0033] The clamping assembly 6 includes at least one pair of nut blocks 61 and a clamping screw 62 that mates with the nut blocks 61. The nut blocks are symmetrically arranged on the top of the frame 1. The clamping screw 62 passes through the nut blocks and the frame 1 and extends downwards, eventually abutting the top of the motor bracket 22. The clamping screw 62 passes through the nut blocks 61 and connects to the frame 1 before extending downwards and abutting the top of the motor bracket 22. By rotating the clamping screw 62, the clamping operation is achieved through the engagement between the thread and the nut blocks 61, ensuring a tight connection between the components and achieving a sealing effect. Conversely, loose contact sealing facilitates the inspection and replacement of components.

[0034] Both the cathode plate 43 and the anode plate 44 have a central positioning sleeve 31 and a connecting sleeve in their central holes. The connecting sleeve connects to the mounting hole of the cathode plate 43 or anode plate 44. The central positioning sleeve 31 rotates and engages with the connecting sleeve, and is rotatably mounted on the rotating shaft 3. The rotational engagement of the central positioning sleeve 31 and the connecting sleeve, along with its mounting on the rotating shaft 3, allows the rotating shaft 3 to position and support the electrode plates through its engagement with the positioning sleeve 31. This achieves a stable connection and precise positioning between the electrode plates and the rotating shaft 3, ensuring that the electrode plates do not shift during operation and improving operational stability. Simultaneously, the relative rotation between the central positioning sleeve 31 and the connecting sleeve reduces frictional resistance during rotation, lowers energy consumption, and extends the equipment's service life.

[0035] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A vertical electrocoagulation wastewater treatment device that is easy to maintain, characterized in that: The assembly includes a frame (1), a cover plate assembly, a rotating shaft (3), a cathode copper busbar (41), and an anode copper busbar (42). The cover plate assembly is installed inside the frame (1), and a clamping assembly (6) is provided on the top. The cover plate assembly has a water outlet (21) and a motor bracket (22) on the top, and a water inlet (23) and a lower bearing seat (24) on the bottom. The cover plate assembly also has several electrode plate seats (25), several cathode plates (43), and several anode plates (44) in the middle. The electrode plate seats (25) are stacked and connected, and the cathode plates (43) and anode plates (44) are staggered between two electrode plate seats (25). The contact surfaces between the cover plate assembly and the electrode plate seats (25), and the contact surfaces between the cathode plates (43) or anode plates (44) and the electrode plate seats (25) are all provided with leak-proof sealing rings (7). The rotating shaft (3) passes through the cover plate assembly, the mounting of the anode plates (44), or the cathode plates (43). The bottom end is installed in the lower bearing seat (24); a cleaning brush connected to the rotating shaft (3) is also provided between the cathode plate (43) and the anode plate (44), and a through hole (45) is opened on the right side of each cathode plate (43) and the left side of each anode plate (44), and an installation hole is provided in the middle; a motor and reducer (26) connected together are fixedly installed on the top of the motor bracket (22), and the bottom of the motor and reducer (26) passes through the motor bracket (22) and is connected to the rotating shaft (3) through a coupling; the end of the clamping assembly (6) passes through the frame (1) and abuts against the top of the motor bracket (22); the cathode copper busbar (41) and the anode copper busbar (42) are symmetrically arranged on the outside of the cover plate assembly, and the cathode copper busbar (41) is provided with a cable and is connected to all the cathode plates (43) through the cable, and the anode copper busbar (42) is provided with a cable and is connected to all the anode plates (44) through the cable.

2. The easy-to-maintain vertical electrocoagulation wastewater treatment device as described in claim 1, characterized in that: The cover plate assembly includes an upper cover plate (27) and a lower cover plate (28); the upper cover plate (27) has a water outlet (21) at the top, a motor bracket (22) is connected to the outer periphery of the top surface, and a sealing mechanism (8) with an upper bearing seat (271) is embedded in the middle; the lower cover plate (28) has a water inlet (23) at the bottom, a lower bearing seat (24) is connected to the middle of the bottom surface, and a base is fixedly installed on the outer periphery, with the base fixedly installed in the middle of the bracket.

3. The easy-to-maintain vertical electrocoagulation wastewater treatment device as described in claim 2, characterized in that: The sealing mechanism (8) includes a packing sealing base plate (81), a bushing (82) and a packing gland (83). The bushing (82) is embedded in the middle of the upper cover plate (27). The bushing (82) is filled with packing in the middle. The bottom is connected to the packing sealing base plate (81) and the top is connected to the packing gland (83). The top of the packing gland (83) is connected to the upper bearing seat (271), in which the bearing is rotatably installed in the middle. The rotating shaft (3) passes through the upper bearing seat (271) and is connected to the bearing. Then it passes through the packing gland (83), the packing and the packing sealing base plate (81) and extends downward.

4. The easy-to-maintain vertical electrocoagulation wastewater treatment device as described in claim 1, characterized in that: The electrode holder (25) is symmetrically provided with two sets of protrusions (251) on its outer periphery. The two sets of protrusions (251) are respectively located on both sides of the cathode copper busbar (41) and the anode copper busbar (42). Each set of protrusions (251) is also provided with a cover (29) on its outer side, and each protrusion (251) is provided with a connecting hole (252) corresponding to the protrusion (251) at its bottom. The two electrode holders (25) are positioned by connecting blocks.

5. A vertical electrocoagulation wastewater treatment device that is easy to maintain as described in any one of claims 1-3, characterized in that: The electrode plate seat (25) has annular grooves (253) at both the upper and lower ends for placing the sealing ring (7).

6. A vertical electrocoagulation wastewater treatment device for easy maintenance as described in claim 5, characterized in that: The rotating shaft (3) is evenly provided with a number of positioning sleeves (31), and a limiting ring is provided in the middle of the positioning sleeve (31); the cleaning brush includes a U-shaped connecting sleeve (91) that cooperates with the positioning sleeve (31), and connecting rods (92) are symmetrically provided on both sides of the U-shaped connecting sleeve (91), one of the connecting rods (92) has bristles (93) at the top and the other connecting rod (92) has bristles (93) at the bottom.

7. A vertical electrocoagulation wastewater treatment device for easy maintenance as described in claim 1, characterized in that: The clamping assembly (6) includes at least one pair of nut blocks (61) and a clamping screw (62) that is connected to the nut blocks (61). The threaded blocks are symmetrically arranged on the top of the frame (1). The clamping screw (62) passes through the threaded blocks and the frame (1) and extends downward, eventually abutting the top of the motor bracket (22).

8. A vertical electrocoagulation wastewater treatment device for easy maintenance as described in claim 1, characterized in that: The mounting holes of the cathode plate (43) and the anode plate (44) are provided with a central positioning sleeve (31) and a connecting sleeve. The mounting holes of the cathode plate (43) or the anode plate (44) are fixed with the connecting sleeve. The central positioning sleeve (31) rotates and cooperates with the connecting sleeve. The central positioning sleeve (31) is rotatably mounted on the rotating shaft (3).

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