A suspended multi-stage series electrode module device

Abstract

This invention discloses a suspended multi-stage series electrode module device, including a reaction tank, a cantilevered frame, an electrical control unit, suspension cables, a supporting aeration frame, and an electrode plate generator. The supporting aeration frame includes a vertical frame and a base frame. The vertical frame is a rectangular frame along the vertical direction, and the base frame is a rectangular frame along the horizontal direction, distributed on both sides of the vertical frame to form an upward T-shape. The bottom end of the suspension cable is fixed to the top of the vertical frame, and two cables are arranged side by side. The bottom end of the suspension cable is fixed with a retaining ring, which is formed by two semi-circular clips connected by bolts. The retaining ring is fixed to the vertical frame. The base frame is fixed to the bottom of the reaction tank by setting a weight. The two ends of the electrode plate generator are respectively placed between the bottom end of the vertical frame and the top of the base frame at the end away from the vertical frame. The aeration gas enters from the bottom, flows upward through the inner cavity of the supporting aeration frame, and forms an upward airflow disturbance in the gap between the electrode plates, which carries the suspended particles to the water surface. The particles are removed by scraping, forming an upward gas-liquid mixed flow, breaking the concentration polarization, and realizing the self-cleaning of the electrode plates.

Description

Technical Field

[0001] This invention belongs to the field of electrochemical water treatment, and specifically relates to a suspended multi-stage series electrode module device. Background Technology

[0002] Current water treatment devices that disinfect substances in water work by placing them in water and using electrochemical oxidation-reduction reactions to degrade pollutants, while also sterilizing and disinfecting them.

[0003] The prior art can be referred to in the patent with publication number CN110240234A, which discloses a control method and a water treatment device, including an electrode plate generator module and a control host located outside the reaction tank that supplies power, controls and displays the electrode plate generator module.

[0004] However, the following technical problems exist in use: the current electrode plate generator is rigidly installed at the bottom of the reaction tank by conventional methods such as bolts or welding. The electrode plate generator is prone to forming a diffusion boundary layer, which easily leads to scaling and passivation, thus limiting the reaction rate.

[0005] Traditional bottom-mounted fixed electrode plate technology relies on natural convection of the solution or additional agitators for mass transfer. This results in slow contaminant arrival at the electrode surface, severe concentration polarization, low current efficiency, and long reaction times. Furthermore, contaminants easily deposit on the electrode surface, leading to scaling and a rapid decline in treatment efficiency. Scaling necessitates frequent shutdowns for manual or chemical cleaning, resulting in significant maintenance workload and disruption to continuous production. Replacing the electrodes requires emptying the reaction tank, making the process complex.

[0006] Concentration polarization refers to the phenomenon during mass transfer where, due to a driving force (such as an electric field, pressure, or concentration gradient), a certain component (ion or molecule) in a solution undergoes directional migration or selective permeation near an interface (such as an electrode surface or membrane surface), resulting in a significant difference between the local concentration near the interface and the bulk concentration of the solution. Simply put, the rate at which substances are "consumed" (or "produced") at the interface is greater than the rate at which the bulk solution replenishes substances to the interface (or removes substances from the interface), thus forming a concentration gradient layer near the interface. Summary of the Invention

[0007] This invention provides a suspended multi-stage series electrode module device to solve the technical problem that the current method of rigidly installing the anode and cathode at the bottom of the reaction tank by conventional means such as bolts or welding is prone to forming a diffusion boundary layer, scaling and passivation, which limits the reaction rate.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a suspended multi-stage series electrode module device, comprising a reaction tank, a cantilevered frame, an electrical control unit, a hoisting cable, a supporting aeration frame, and an electrode plate generator. The cantilevered frame is installed on the outer side of the top of the reaction tank, and the electrical control unit is fixedly placed on the outer side of the top of the reaction tank. The cantilevered frame includes a vertical pole and a cantilever rod extending from the top of the vertical pole above the reaction tank. A winch is fixedly mounted on the cantilever rod, and the hoisting cable is mounted on the winch, with the bottom end of the hoisting cable extending into the reaction tank. The aeration frame is fixed inside the tank and includes a vertical frame and a base frame. The vertical frame is a rectangular frame along the vertical direction, and the base frame is a rectangular frame along the horizontal direction, distributed on both sides of the vertical frame to form an upward T-shape. The bottom end of the suspension cable is fixed to the top of the vertical frame and two cables are arranged side by side. The bottom end of the suspension cable is fixed with a retaining ring. The retaining ring has two semi-circular clips connected by bolts and is fixed to the vertical frame. The base frame is fixed to the bottom of the reaction tank by setting a weight. The two ends of the electrode plate generator are placed between the bottom end of the vertical frame and the top of the base frame at the end away from the vertical frame.

[0009] By adopting the above technical solution, this structure features a separate aeration support frame from the electrode plate generator. This design allows the electrode plate generator to oscillate slightly under water flow impact, enhancing turbulence, improving mass transfer efficiency, and reducing scaling. Simultaneously, the aeration support frame not only provides physical support, but also allows aeration gas to enter from the bottom, flow upwards through its inner cavity, and create rising airflow disturbances between the electrode plates. This turbulence carries suspended particles to the water surface, where scraping removes them, forming an upward gas-liquid mixture that breaks up concentration polarization. This also enables self-cleaning of the electrode plates, preventing scaling and passivation. This solves the technical problem of current electrode plate generators, which are rigidly installed at the bottom of the reaction tank using conventional methods such as bolts or welding, easily forming a diffusion boundary layer and becoming prone to scaling and passivation. Suspended by cables and shackles, the entire unit can be lifted out of the water simply by loosening the locking mechanism. The module can be powered on immediately after installation without requiring downtime. Replacement can be completed by a single operator within 30 minutes.

[0010] Preferably, the dimensions of the base frame exceed those of the electrode plate generator, thus providing space for the gas generated by the electrode plate generator to enter the gap from the bottom of the electrode plate generator as aeration gas, forming an upward airflow disturbance to clean the electrode plate generator.

[0011] By adopting the above technical solution, the comparison dimensions were reasonably designed to form a cavity.

[0012] Preferably, the electrode plate generator includes a conductive terminal plate and several electrode plates. The conductive terminal plate is electrically connected to the main control unit via wires, and the conductive terminal plate is located on one side near the vertical frame.

[0013] By adopting the above technical solution, the impact on gas flow is minimized.

[0014] Preferably, both the vertical frame and the base frame are hollow tubes.

[0015] By adopting the above technical solution, the material is lightweight, high-strength, and economical.

[0016] Preferably, the vertical frame is provided with several reinforcing pipes in the height direction.

[0017] By adopting the above technical solutions, the structural strength is higher.

[0018] Preferably, the corners of the vertical frame and the base frame have rounded corners.

[0019] By adopting the above technical solution, the risk of sharp corner impacts is avoided.

[0020] Preferably, the suspension cable is a stainless steel wire rope.

[0021] By adopting the above technical solution, the corrosion resistance is good and the service life is relatively long.

[0022] Preferably, the bottom end of the upright is provided with a rotating base, and the upright is rotatably connected to the rotating base.

[0023] By adopting the above technical solution, the aeration frame and electrode plate generator can be rotated, making it convenient to adjust their positions.

[0024] The beneficial effects of this invention are as follows: 1. It is suspended by a cable and a retaining ring, and the whole thing can be lifted out of the water simply by loosening the buckle; the module is powered on and started immediately after being hung, and there is no need to stop the machine throughout the process; a single person can complete the replacement within 30 minutes. 2. Traditional fixed electrode surfaces are prone to forming a diffusion boundary layer, which limits the reaction rate. The module of this invention is not rigidly fixed and is subject to slight oscillation caused by water flow impact; the oscillation disturbs the boundary layer, accelerates the migration of pollutants to the electrode surface, and improves mass transfer efficiency. 3. The aeration system and electrode system are typically designed separately. This invention features an aeration support frame that serves as both the physical load-bearing structure for the electrode module and a gas delivery channel. The top of the frame connects to the hanger, while the bottom is fixed to the pool bottom or a counterweight base, forming a stable frame. The frame adopts a hollow tubular structure.

[0025] The aeration support frame not only provides physical support, but also allows aeration gas to enter from the bottom, flow upwards through the frame's inner cavity, and create an upward airflow disturbance between the electrode plates. This disturbance carries suspended particles to the water surface, where they are removed by scraping. This device integrates the aeration function into the support structure, reducing piping connections. Simultaneously, aeration enables self-cleaning of the electrode plates, preventing scaling and passivation.

[0026] 4. Because the lifting cables and retaining rings can be quickly assembled, disassembled, and their height adjusted, this device is adaptable to different water depths and pool sizes. Depending on the site conditions, it can be placed in the reaction tank or within equipment, offering flexible and versatile applications. It can sterilize and disinfect as well as degrade pollutants. For example, it can be placed at the end of the existing process flow during upgrades or renovations, or used in the main process section to degrade pollutants. Other applications include water tank disinfection, emergency treatment of pollutants, temporary degradation of substandard pollutants, decentralized and centralized rural domestic sewage treatment, livestock and poultry wastewater treatment, aquaculture wastewater treatment, landfill leachate treatment, medical wastewater treatment, and industrial wastewater treatment.

[0027] 5. When the plates are working, the gas forms an upward gas-liquid mixture in the gaps between the plates, breaking concentration polarization. The modular design allows for flexible configuration of the number of plate units according to water volume and quality, making it particularly suitable for complex and variable water quality and large fluctuations in water volume. Energy efficiency can be improved and costs reduced by increasing or decreasing the number of modules.

[0028] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention; the main objects and other advantages of the invention may be realized and obtained by means of the embodiments particularly pointed out in the description. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the supporting aeration frame in an embodiment of the present invention.

[0030] Reference numerals in the attached diagram: 1. Reaction tank; 2. Cantilevered frame; 201. Vertical pole; 202. Cantilevered pole; 3. Electrical control unit; 4. Suspension cable; 401. Winch; 402. Snap ring; 5. Support aeration frame; 501. Vertical frame; 502. Base frame; 503. Reinforcing pipe; 6. Electrode plate generator; 601. Conductive terminal block; 602. Electrode plate; 603. Wire. Detailed Implementation

[0031] The technical solutions of the present invention will be described in detail below through embodiments. The following embodiments are merely exemplary and can only be used to explain and illustrate the technical solutions of the present invention, and should not be construed as limiting the technical solutions of the present invention.

[0032] Combination Figure 1 and Figure 2A suspended multi-stage series electrode module device includes a reaction tank 1, a cantilever frame 2, an electrical control unit 3, a suspension cable 4, a supporting aeration frame 5, and an electrode plate generator 6. The cantilever frame 2 is installed on the outer top of the reaction tank 1, and the electrical control unit 3 is fixedly placed on the outer top of the reaction tank 1. The cantilever frame 2 includes a vertical pole 201 and a cantilever rod 202 extending from the top of the vertical pole 201 above the reaction tank 1. A winch 401 is fixed on the cantilever rod 202, and the suspension cable 4 is installed on the winch 401. The bottom end of the suspension cable 4 extends into the reaction tank 1 and is fixed to the supporting aeration frame 5. 5 includes a vertical frame 501 and a base frame 502. The vertical frame 501 is a rectangular frame along the vertical direction, and the base frame 502 is a rectangular frame along the horizontal direction and is distributed on both sides of the vertical frame 501 to form an upward T-shape. The bottom end of the suspension cable 4 is fixed to the top of the vertical frame 501 and two cables are arranged side by side. The bottom end of the suspension cable 4 is fixed with a retaining ring 402. The retaining ring 402 has two semi-circular clips connected by bolts and is fixed to the vertical frame 501. The base frame 502 is fixed to the bottom of the reaction tank 1 by setting a weight. The two ends of the electrode plate generator 6 are respectively placed between the bottom end of the vertical frame 501 and the top of the base frame 502 at the end away from the vertical frame 501.

[0033] This structure features a separate aeration support frame 5 from the electrode plate generator 6. This design allows the electrode plate generator 6 to oscillate slightly under water flow impact, enhancing turbulence, improving mass transfer efficiency, and reducing scaling. Simultaneously, the aeration support frame 5 not only provides physical support, but also allows aeration gas to enter from the bottom, flow upwards through its inner cavity, and create rising airflow disturbances between the electrode plates 602. This turbulence carries suspended particles to the water surface, where scraping removes them, forming an upward gas-liquid mixture that breaks up concentration polarization. This also enables self-cleaning of the electrode plates 602, preventing scaling and passivation. This solves the technical problem of current electrode plate generators 6 being rigidly installed at the bottom of the reaction tank 1 using conventional methods such as bolts or welding, which easily leads to the formation of a diffusion boundary layer, scaling, and passivation. Suspended by a cable 4 and retaining rings 402, the entire unit can be lifted out of the water by simply loosening the locking mechanism. The module can be powered on immediately after installation without requiring shutdown. Replacement can be completed by a single operator within 30 minutes.

[0034] Several electrode plate generators 6 are arranged on the base frame 502. The number is determined according to the water quality and quantity and the size of the electrode plate 602. In this embodiment, four are placed. The size of the base frame 502 exceeds the electrode plate generators 6, thus providing space for the gas generated by the electrode plate generators 6 to enter the gap from the bottom of the electrode plate generators 6 as aeration gas, forming an upward airflow disturbance to clean the electrode plate generators 6. The comparative dimensions are reasonably designed to form a cavity.

[0035] The electrode plate generator 6 includes a conductive terminal plate 601 and several electrode plates 602. The conductive terminal plate 601 is electrically connected to the electronic control host 3 via wires 603. The conductive terminal plate 601 is located on the side close to the vertical frame 501, which minimizes the impact on gas flow.

[0036] Both the vertical frame 501 and the base frame 502 are hollow tubes, which are lightweight, high-strength, and economical. Several reinforcing tubes 503 are installed along the height of the vertical frame 501, further enhancing its structural strength. The corners of the vertical frame 501 and the base frame 502 are rounded to prevent impacts from sharp corners.

[0037] The lifting cable 4 is made of stainless steel wire rope, which has good corrosion resistance and a relatively long service life.

[0038] As a preferred option, the bottom of the upright 201 can be provided with a rotating base, and the upright 201 is rotatably connected to the rotating base, which allows it to rotate and facilitates the adjustment of the position of the supporting aeration frame 5 and the electrode plate generator 6.

[0039] The beneficial effects of this invention are as follows: 1. Suspended by the cable 4 + shackle 402, the entire module can be lifted out of the water simply by loosening the locking buckle; the module is powered on and put into operation immediately after being installed, without the need to stop the machine throughout the process; a single person can complete the replacement within 30 minutes. 2. Traditional fixed electrode surfaces are prone to forming a diffusion boundary layer, which limits the reaction rate. The module of this invention is not rigidly fixed and is subject to slight oscillation caused by water flow impact; the oscillation disturbs the boundary layer, accelerates the migration of pollutants to the electrode surface, and improves mass transfer efficiency. 3. The aeration system and electrode system are typically designed separately. In this invention, the supporting aeration frame 5 serves as both the physical load-bearing structure for the electrode module and a gas delivery channel. The top of the frame connects to the hanger, and the bottom is fixed to the pool bottom or a counterweight base, forming a stable frame. The frame adopts a hollow tubular structure.

[0040] The aeration support frame 5 not only provides physical support, but also allows aeration gas to enter from the bottom, flow upwards through the inner cavity of the frame, and create an upward airflow disturbance in the gaps between the electrode plates 602. This disturbance carries suspended particles to the water surface, where they are removed by scraping. This device integrates the aeration function into the support structure, reducing piping connections. Simultaneously, aeration enables self-cleaning of the electrode plates 602, preventing scaling and passivation.

[0041] 4. Because the lifting cable 4 and the retaining ring 402 can be quickly disassembled and their height adjusted, this device is adaptable to different water depths and pool sizes. Depending on the site conditions, it can be placed in the reaction tank 1 or within the equipment, making its application flexible and versatile. It can sterilize and disinfect as well as degrade pollutants. For example, it can be placed at the end of the existing process flow during upgrades or renovations, or it can be used as part of the main process section to degrade pollutants. Other applications include water tank disinfection, emergency treatment of pollutants, temporary degradation of substandard pollutants, decentralized and centralized rural domestic sewage treatment, livestock and poultry wastewater treatment, aquaculture wastewater treatment, landfill leachate treatment, medical wastewater treatment, and industrial wastewater treatment.

[0042] 5. When the electrode 602 is working, the gas forms an upward gas-liquid mixture in the gap between the electrode 602, breaking the concentration polarization. The modular design allows for flexible configuration of the number of electrode 602 units according to water volume and quality, making it particularly suitable for water with complex and variable quality and large fluctuations in water volume. Energy efficiency can be improved and costs reduced by increasing or decreasing the number of modules.

[0043] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A suspended multi-stage series electrode module device, characterized in that: The system includes a reaction tank (1), a cantilever frame (2), an electrical control unit (3), a hoisting cable (4), a supporting aeration frame (5), and an electrode plate generator (6). The cantilever frame (2) is installed on the outer side of the top of the reaction tank (1), and the electrical control unit (3) is fixedly placed on the outer side of the top of the reaction tank (1). The cantilever frame (2) includes a vertical pole (201) and a cantilever rod (202) extending from the top of the vertical pole (201) above the reaction tank (1). A winch (401) is fixed on the cantilever rod (202), and the hoisting cable (4) is installed on the winch (401). The bottom end of the hoisting cable (4) extends into the reaction tank (1) and is fixed to the supporting aeration frame (5). The supporting aeration frame (5) The system includes a vertical frame (501) and a base frame (502). The vertical frame (501) is a rectangular frame along the vertical direction, and the base frame (502) is a rectangular frame along the horizontal direction and is distributed on both sides of the vertical frame (501) to form an upward T-shape. The bottom end of the suspension cable (4) is fixed to the top of the vertical frame (501) and two cables are arranged side by side. The bottom end of the suspension cable (4) is fixed with a retaining ring (402). The retaining ring (402) has two semi-circular clips connected by bolts. The retaining ring (402) is fixed on the vertical frame (501). The base frame (502) is fixed to the bottom of the reaction tank (1) by setting a weight. The two ends of the electrode plate generator (6) are respectively placed between the bottom end of the vertical frame (501) and the top of the base frame (502) away from the vertical frame (501).

2. The suspended multi-stage series electrode module device according to claim 1, characterized in that: The base frame (502) is larger than the electrode plate generator (6), thus providing space for the gas generated by the electrode plate generator (6) to enter the gap from the bottom of the electrode plate generator (6) as aeration gas, forming an upward airflow disturbance to clean the electrode plate generator (6).

3. The suspended multi-stage series electrode module device according to claim 2, characterized in that: The electrode plate generator (6) includes a conductive terminal plate (601) and several electrode plates (602). The conductive terminal plate (601) is electrically connected to the electrical control host (3) via wires (603). The conductive terminal plate (601) is located on the side close to the vertical frame (501).

4. The suspended multi-stage series electrode module device according to claim 3, characterized in that: Both the vertical frame (501) and the base frame (502) are hollow tubes.

5. The suspended multi-stage series electrode module device according to claim 4, characterized in that: The vertical frame (501) is provided with several reinforcing pipes (503) in the height direction.

6. The suspended multi-stage series electrode module device according to claim 5, characterized in that: The corners of the vertical frame (501) and the base frame (502) have rounded corners.

7. The suspended multi-stage series electrode module device according to claim 6, characterized in that: The suspension cable (4) is a stainless steel wire rope.

8. The suspended multi-stage series electrode module device according to claim 7, characterized in that: The bottom end of the upright (201) is provided with a rotating base, and the upright (201) is rotatably connected to the rotating base.

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