Ionic membrane electrolysis chlorate treatment device

Abstract

The invention relates to the field of chlorate electrolysis treatment, and discloses an ionic membrane chlorate electrolysis treatment device which comprises a frame, a plurality of electrolytic cells are arranged in the frame, fastening plates are slidably connected to the interiors of the electrolytic cells, a storage tank is fixedly connected to the top end of the frame, and a liquid level balance mechanism is arranged in the storage tank. And a scraping mechanism is arranged outside the frame, a butt joint mechanism is arranged outside the electrolytic bath, the liquid level balancing mechanism comprises a fixed outer cylinder, and the bottom end of the fixed outer cylinder is fixedly connected to the interior of the storage tank. Liquid in the second backflow pipe flows back to the storage tanks through the water pump, and the two storage tanks balance air pressure through the communicating pipe; liquid enters the movable inner cylinder through the first backflow pipe, overflows into the annular space in a waterfall mode after the liquid level exceeds the top edge of the movable inner cylinder and converges into the main storage tank area, flow fluctuation is flattened, the change of the water head on the weir is extremely small, and it is guaranteed that the pressure in the tank is stable.

Description

Technical Field

[0001] This invention relates to the field of electrolytic chlorate treatment technology, specifically to an ion-exchange membrane electrolytic chlorate treatment device. Background Technology

[0002] Ion-exchange membrane electrolysis is an important industrial technology for the production of chlorate, with the ion-exchange membrane electrolyzer as its core device. This technology utilizes electrochemical principles, using brine (such as sodium chloride solution) as a raw material for electrolysis. In the electrolyzer, current flows through the solution, causing oxidation at the anode and reduction at the cathode. The ion-exchange membrane, a key component of the electrolyzer, is placed between the anode and cathode, acting as a selective separator to separate the anode and cathode chambers. This membrane exhibits selective permeability, allowing specific ions (such as cations) to pass through while blocking other ions, thus ensuring that the reaction products at the two electrodes do not mix, maintaining the stability and efficiency of the electrolysis process. In this way, the progress of the electrolysis reaction can be precisely controlled, achieving efficient synthesis of chlorate.

[0003] The core of the ion-exchange membrane electrolytic chlorate treatment device is an electrolytic cell consisting of an anode, a cathode, and an ion-exchange membrane. Its working principle is based on an electrochemical reaction; under the influence of direct current, saturated brine is electrolyzed in the cell. On the anode side, chloride ions lose electrons to generate chlorine gas; on the cathode side, water molecules gain electrons to generate hydrogen gas and hydroxide ions. The crucial ion-exchange membrane is selectively permeable, allowing cations such as sodium ions to migrate from the anode chamber to the cathode chamber, where they combine with hydroxide ions to form sodium hydroxide, while simultaneously preventing the passage of anions such as chloride ions, thus avoiding the mixing of products from the anode and cathode. Finally, through subsequent reactions, the chlorine gas generated at the anode reacts with the sodium hydroxide generated at the cathode to produce the target product, chlorate.

[0004] Existing ion-exchange membrane electrolytic chlorate treatment devices employ a rigid coupling design between the circulating pump and the storage tank. This results in any flow pulsation from the pump being directly transmitted, causing uncontrollable pressure fluctuations within the tank. More critically, these fluctuations are not synchronized between the two tanks, leading to continuous and uneven stress impacts on the ion-exchange membrane, which can easily cause fatigue damage or even tearing. Therefore, existing solutions rely on expensive and complex closed-loop control systems composed of frequency converters, sensors, and PLCs. This not only significantly increases equipment costs and potential failure points but also makes operating condition regulation difficult. To address this, an ion-exchange membrane electrolytic chlorate treatment device is proposed. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an ion-exchange membrane electrolytic chlorate treatment device, which solves the problem of pressure control instability, uneven pressure difference between the anode and cathode, and ultimately endangering the safety of the core ion-exchange membrane due to the "rigid coupling" between the flow fluctuation of the circulating pump and the pressure of the storage tank.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solution: an ion-exchange membrane electrolytic chlorate treatment device, comprising a frame, wherein a plurality of electrolytic cells are arranged inside the frame, a fastening plate is slidably connected inside the electrolytic cells, a storage tank is fixedly connected to the top of the frame, a liquid level balancing mechanism is arranged inside the storage tank, a scraping mechanism is arranged outside the frame, and a docking mechanism is arranged outside the electrolytic cells.

[0007] The liquid level balancing mechanism includes a fixed outer cylinder, the bottom end of which is fixedly connected to the inside of the storage tank. Multiple guide blocks are slidably connected inside the fixed outer cylinder. A fixed block is fixedly connected to the top of each guide block. A movable inner cylinder is fixedly connected to the bottom of each fixed block. A reflux pipe is fixedly connected inside the storage tank. A connecting pipe is fixedly connected to the top of the storage tank. An adjustment component is provided at the top of the storage tank.

[0008] Preferably, the adjustment assembly includes a fixing frame, the bottom end of which is fixedly connected to the top of the storage tank, a hydraulic cylinder is fixedly connected inside the fixing frame, and a connecting column is fixedly connected to the drive end of the hydraulic cylinder.

[0009] Preferably, the bottom end of the connecting column is fixedly connected to the top end of the fixing block, and the outside of the connecting column is slidably connected to the inside of the storage tank.

[0010] Preferably, the outside of the return pipe is disposed inside the movable inner cylinder, and a fastening plate is fixedly connected inside the frame.

[0011] Preferably, the scraping mechanism includes a discharge pipe, the discharge pipe is fixedly connected to the outside of the frame, a three-way valve is fixedly connected to the outside of the discharge pipe, a flushing pipe is fixedly connected to the end of the three-way valve away from the discharge pipe, a return pipe II is fixedly connected to the bottom end of the three-way valve, a rotating ring is rotatably connected inside the return pipe II, a plurality of scrapers are fixedly connected to the bottom end of the rotating ring, a rotating blade is fixedly connected to the outside of each of the plurality of scrapers, and a fixed column is fixedly connected to the adjacent side of the plurality of rotating blades.

[0012] Preferably, the outer surface of the scraper is in contact with the inner wall of the return pipe II, and the outer surfaces of the plurality of scrapers are distributed in a circular pattern around the fixed column.

[0013] Preferably, the docking mechanism includes a fixed cylinder, which is fixedly connected to the outside of the storage tank. A threaded cylinder is threadedly connected to the outside of the fixed cylinder, an embedded ring is fixedly connected to the inner wall of the threaded cylinder, a sealing ring is fixedly connected to the inside of the fixed cylinder, a connecting pipe is slidably connected to the inside of the fixed cylinder, and a plurality of limiting blocks are fixedly connected to the outside of the connecting pipe.

[0014] Preferably, the inner walls of the embedded ring and the fixed cylinder are provided with sliding grooves, and the outer side of the limiting block is slidably connected to the inside of the sliding grooves.

[0015] Preferably, the outer part of the connecting tube is slidably connected to the inside of the inner ring, the inner part of the frame is slidably connected to a fastening plate, and the outer part of the connecting tube is in contact with the outer part of the sealing ring.

[0016] Preferably, a water pump is fixedly connected to the outside of the storage tank, and a control cabinet is fixedly connected to the top of the frame.

[0017] This invention provides an ion-exchange membrane electrolytic chlorate treatment device. It has the following beneficial effects:

[0018] 1. In this invention, the liquid in the return pipe 2 is pumped back to the storage tank, and the two storage tanks are connected by a connecting pipe to balance the air pressure. The liquid enters the movable inner cylinder through the return pipe 1. After the liquid level exceeds the top edge of the movable inner cylinder, it overflows in a waterfall-like manner into the annular space and flows into the main storage tank area, spreading out the flow fluctuations and minimizing the change in the "weir head", thus ensuring stable pressure inside the tank. The hydraulic cylinder can be activated to adjust the position of the movable inner cylinder and change the height of the top edge, thereby adjusting the pressure reference value. This "decouples" the water pump flow fluctuations from the constant pressure inside the tank, achieving high-precision liquid level stability through a mechanical structure, and ensuring the safe and efficient operation of the device.

[0019] 2. During operation, the water pump delivers the liquid from the storage tank to the electrolytic cell for reaction. After the reaction, the liquid enters the return pipe two through the discharge pipe and the three-way valve. The impact impeller drives the rotating ring and scraper to rotate, continuously scraping the pipe wall to achieve preventive self-cleaning and prevent the formation of a thick layer of dirt. The three-way valve can be switched periodically to connect the flushing pipe to the return pipe two. The scraper is driven by high-pressure flushing fluid to clean powerfully. Impurities and liquid are discharged through the flushing pipe, achieving automatic cleaning and ensuring unobstructed pipeline.

[0020] 3. The chlorine gas produced by the electrolytic cell reaction is discharged through the fixed cylinder and the connecting pipe. When maintenance or replacement is required, the threaded cylinder is rotated to drive the inner ring to rotate, releasing the locking of the limiting block, so that the connecting pipe can slide out of the fixed cylinder for disassembly. During installation, the connecting pipe slides into the inner ring and the fixed cylinder, and the limiting block moves along the sliding groove to fit with the sealing ring. The threaded cylinder is rotated in the opposite direction to lock the limiting block with the inner ring, achieving a sealed connection. The quick disassembly and assembly facilitates pipeline maintenance and cleaning. Attached Figure Description

[0021] Figure 1 This is a perspective view of the present invention;

[0022] Figure 2 This is a schematic diagram of the connecting pipe of the present invention;

[0023] Figure 3This is a schematic diagram of the structure of the movable inner cylinder of the present invention;

[0024] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0025] Figure 5 This is a schematic diagram of the rotor blade of the present invention;

[0026] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0027] Figure 7 This is a schematic diagram of the embedded ring structure of the present invention;

[0028] Figure 8 for Figure 7 Enlarged view of point C in the middle.

[0029] The components include: 1. Frame; 2. Electrolytic cell; 3. Fastening plate; 4. Storage tank; 5. Liquid level balancing mechanism; 51. Fixed outer cylinder; 52. Movable inner cylinder; 53. Fixed block; 54. Guide block; 55. Return pipe one; 56. Connecting pipe; 57. Adjustment component; 571. Connecting column; 572. Fixing frame; 573. Hydraulic cylinder; 6. Scraping mechanism; 61. Discharge pipe; 62. Three-way valve; 63. Flushing pipe; 64. Rotating ring; 65. Fixed column; 66. Rotary impeller; 67. Scraper; 68. Return pipe two; 7. Water pump; 8. Docking mechanism; 81. Fixed cylinder; 82. Threaded cylinder; 83. Sealing ring; 84. Embedded ring; 85. Docking pipe; 86. Limiting block; 87. Sliding groove; 9. Control cabinet. Detailed Implementation

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see the appendix Figure 1 Appendix Figure 3 and attached Figure 4This invention provides an ion-exchange membrane electrolytic chlorate treatment device, including a frame 1. The frame 1 provides stable installation support for the entire device, ensuring the orderly operation of each component. Multiple electrolytic cells 2 are arranged inside the frame 1. The electrolytic cells 2 are the main sites for the chlorate electrolysis reaction, providing space for the reaction. Fastening plates 3 are slidably connected inside the electrolytic cells 2, fixing the components inside and ensuring stable operation of the reaction components. A storage tank 4 is fixedly connected to the top of the frame 1. The storage tank 4 is used to store the liquid required or generated by the reaction, facilitating liquid recycling. A liquid level balancing mechanism 5 is arranged inside the storage tank 4, stabilizing the liquid level and pressure inside the storage tank 4 and reducing the impact of flow fluctuations on the device operation. A scraping mechanism 6 is arranged outside the frame 1, automatically cleaning the inner wall of the pipes to prevent blockage and ensure smooth liquid flow. A docking mechanism 8 is arranged outside the electrolytic cells 2, facilitating quick disassembly and assembly of the pipes for easy maintenance and cleaning.

[0032] The liquid level balancing mechanism 5 includes a fixed outer cylinder 51, the bottom of which is fixedly connected to the inside of the storage tank 4. The fixed outer cylinder 51 provides installation and movement space for the movable inner cylinder 52, ensuring the stability of liquid level regulation. Multiple guide blocks 54 are slidably connected inside the fixed outer cylinder 51, and a fixed block 53 is fixedly connected to the top of each guide block 54. The guide blocks 54 guide the movement of the fixed block 53, ensuring its smooth lifting and lowering. The fixed block 53 can drive the movable inner cylinder 52 to move synchronously, and its circumferential arrangement allows the liquid to flow out in a waterfall-like manner, spreading the flow rate evenly. The bottom of the fixed block 53 is fixedly connected to the movable inner cylinder 52. The movable inner cylinder 52 can change its top edge height by adjusting its position, achieving pressure reference value adjustment. Together with the fixed outer cylinder 51, it forms an annular space, facilitating smooth liquid flow. A return pipe 55 is fixedly connected inside the storage tank 4. The return pipe 55 is used to transport liquid into the movable inner cylinder 52 and is an important channel for liquid circulation. A connecting pipe 56 is fixedly connected to the top of storage tank 4. The connecting pipe 56 can connect two storage tanks 4 to ensure the gas pressure balance inside the tank and avoid pressure difference affecting liquid flow. An adjustment component 57 is set at the top of storage tank 4. The adjustment component 57 can drive the fixed block 53 and the movable inner cylinder 52 to move, so as to achieve precise adjustment of liquid level and pressure.

[0033] The adjusting assembly 57 includes a fixing frame 572, the bottom of which is fixedly connected to the top of the storage tank 4, providing a stable mounting support for the hydraulic cylinder 573. The hydraulic cylinder 573 is fixedly connected inside the fixing frame 572, providing driving force. A connecting column 571 is fixedly connected to the driving end of the hydraulic cylinder 573, transmitting the power of the hydraulic cylinder 573 to the fixing block 53 to adjust the position of the movable inner cylinder 52. The bottom of the connecting column 571 is fixedly connected to the top of the fixing block 53, and the outside of the connecting column 571 is slidably connected to the inside of the storage tank 4, ensuring that the connecting column 571 can smoothly drive the fixing block 53 to move. The external end of the return pipe 55 is located inside the movable inner cylinder 52. A fastening plate 3 is fixedly connected inside the frame 1, and a water pump 7 is fixedly connected to the outside of the storage tank 4. The water pump 7 provides power for liquid transportation, ensuring the liquid circulates within the device. A control cabinet 9 is fixedly connected to the top of the frame 1. The control cabinet 9 can control the operation of each component of the device to realize automated operation.

[0034] Please see the appendix Figure 2 Appendix Figure 5 and attached Figure 6 The scraping mechanism 6 includes a discharge pipe 61, which is externally and fixedly connected to the inside of the frame 1. The discharge pipe 61 is used to transport the liquid after reaction in the electrolytic cell 2 and is an important channel for liquid flow. A three-way valve 62 is fixedly connected to the outside of the discharge pipe 61. The three-way valve 62 can switch the liquid flow path to achieve the switching between normal transportation and rinsing cleaning. A rinsing pipe 63 is fixedly connected to the end of the three-way valve 62 away from the discharge pipe 61. The rinsing pipe 63 can transport high-pressure rinsing fluid, which, together with the scraper 67, powerfully cleans the return pipe 68. The bottom end of the three-way valve 62 is fixedly connected to the return pipe 68, which is used to return the liquid to the storage tank 4 to achieve liquid recycling. A rotating ring 64 is rotatably connected inside the return pipe 68. The rotating ring 64 can drive the scraper 67 and the impeller 66 to rotate synchronously, providing support for scraping. Multiple scrapers 67 are fixedly connected to the bottom end of the rotating ring 64. Rotary impellers 66 are fixedly connected to the outside of each scraper 67. The impellers 66, driven by the liquid impact, rotate the rotating ring 64, providing power to the scrapers 67. A fixed post 65 is fixedly connected to adjacent sides of the multiple impellers 66, connecting them into a single unit to ensure synchronized rotation. The outer surface of each scraper 67 contacts the inner wall of the return pipe 68. The outer surfaces of the multiple scrapers 67 are circumferentially distributed around the fixed post 65, ensuring thorough scraping of the inner wall of the return pipe 68 and improving the cleaning effect.

[0035] Please see the appendix Figure 1 Appendix Figure 7 and attached Figure 8The docking mechanism 8 includes a fixed cylinder 81, which is externally fixedly connected to the outside of the storage tank 4. The fixed cylinder 81 provides an installation interface for the connecting pipe 85 and is an important component for pipe docking. A threaded cylinder 82 is threadedly connected to the outside of the fixed cylinder 81. The threaded cylinder 82 can rotate to move the inner ring 84, thereby locking and unlocking the limiting block 86. An inner ring 84 is fixedly connected to the inner wall of the threaded cylinder 82. The inner ring 84, through its cooperation with the limiting block 86, secures and seals the connecting pipe 85. A sealing ring 83 is fixedly connected inside the fixed cylinder 81. The sealing ring 83 enhances the sealing between the fixed cylinder 81 and the connecting pipe 85, preventing chlorine leakage. The connecting pipe 85 is slidably connected inside the fixed cylinder 81. The connecting pipe 85 is used to discharge chlorine gas generated by the electrolytic cell 2 and serves as a gas flow channel. Multiple limiting blocks 86 are fixedly connected to the outside of the connecting pipe 85. The limiting blocks 86 can cooperate with the sliding groove 87 to position and guide the connecting pipe 85, while also facilitating the locking of the inner ring 84. The inner walls of the embedded ring 84 and the fixed cylinder 81 are provided with sliding grooves 87. The outer side of the limiting block 86 is slidably connected to the inside of the sliding groove 87. The sliding groove 87 provides a path for the movement of the limiting block 86, ensuring that the connecting pipe 85 can be easily installed and removed. The outer side of the connecting pipe 85 is slidably connected to the inside of the embedded ring 84. The frame 1 is slidably connected to the inside of the fastening plate 3. The outer side of the connecting pipe 85 is in contact with the outer side of the sealing ring 83, further ensuring the sealing of the joint and preventing gas leakage.

[0036] Working Principle: During operation, the liquid inside the storage tank 4 is pumped by water pump 7 to the electrolytic cell 2 for reaction. The reaction occurs through the anode plate, cation exchange membrane, and cathode plate. The reacted liquid is then transported through the discharge pipe 61. When the liquid flows through the three-way valve 62 into the return pipe 68, the impeller 66 is impacted by the liquid, causing the fixed column 65 and rotating ring 64 to rotate inside the return pipe 68. This causes multiple scrapers 67 to scrape the inner wall of the return pipe 68, achieving automatic cleaning. In this mode, it provides a gentle, pre-cleaning process. The self-cleaning device is designed to prevent dirt from forming a hard, thick layer due to the continuous operation of the scraper 67. Operators can periodically perform a powerful cleaning of the inside of the return pipe 68. By adjusting the three-way valves 62 at both ends of the return pipe 68, the connection between the discharge pipe 61 and the return pipe 68 is disconnected, while the flushing pipe 63 is connected to the return pipe 68. At this time, high-pressure flushing fluid can be delivered through the flushing pipe 63, which puts force on the impeller 66. Ultimately, the scraper 67 powerfully cleans the inner wall of the return pipe 68. The cleaned impurities and liquid are discharged through the flushing pipe 63 at the bottom, achieving an automatic cleaning effect.

[0037] The liquid inside the return pipe 68 will be transported back to the storage tank 4 by the water pump 7. The two storage tanks 4 are connected by the connecting pipe 56 to ensure the balance of air pressure on both sides. The liquid first flows out through the return pipe 55 into the movable inner cylinder 52, and the liquid level in the movable inner cylinder 52 begins to rise. When the liquid level exceeds the upper edge of the fixed block 53 of the movable inner cylinder 52, the liquid overflows like a waterfall, flowing into the annular space between the movable inner cylinders 52 and eventually into the main storage tank area. The circumferential arrangement of the fixed block 53 causes the liquid to flow out like a waterfall. This ensures that when the water pump 7 drives the liquid flow and there are flow fluctuations, the waterfall flow will even out the liquid flow, making the change in the "weir head" only a few tenths of a millimeter or even smaller. This ensures the pressure difference inside the storage tank 4. The operator can activate the hydraulic cylinder 573 to pull the fixed block 53 upward by the connecting column 571, thereby adjusting the position of the movable inner cylinder 52 inside the fixed outer cylinder 51 and changing the height of the top edge of the movable inner cylinder 52 to adjust the pressure reference value. Through the above effect, the violent flow fluctuations at the source of the water pump 7 are successfully "decoupled" from the constant pressure inside the storage tank. Relying solely on the mechanical structure, sub-millimeter level ultra-high precision liquid level stabilization is achieved, providing the most solid and reliable physical guarantee for the long-term safe and efficient operation of the device.

[0038] The chlorine gas reacted inside the electrolytic cell 2 will be discharged from the inside of the fixed cylinder 81 and the connecting pipe 85. When the fixed cylinder 81 and the connecting pipe 85 need to be inspected or replaced, the threaded cylinder 82 is rotated, causing the inner ring 84 to rotate, thus removing the inner ring 84 from the position of the limiting block 86. When the threaded cylinder 82 rotates to the designated position, the sliding groove 87 inside the inner ring 84 and the sliding groove 87 inside the fixed cylinder 81 are connected. At this time, the connecting pipe 85 can be slid out from the inside of the fixed cylinder 81 to complete the disassembly. For cleaning, when installation is required, the outside of the connecting pipe 85 is slid into the inside of the inner ring 84, and finally into the inside of the fixed cylinder 81. At the same time, the limiting block 86 will first slide in the sliding groove 87 inside the inner ring 84, and finally slide into the sliding groove 87 inside the fixed cylinder 81. After the limiting block 86 is in contact with the outside of the sealing ring 83, the inner ring 84 locks the position of the limiting block 86 again by rotating the threaded cylinder 82 in the opposite direction, thereby achieving the effect of sealing and docking. The quick disassembly and assembly of the pipeline facilitates maintenance and cleaning.

[0039] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An ion-exchange membrane electrolytic chlorate treatment device, comprising a frame (1), characterized in that, The frame (1) is provided with multiple electrolytic cells (2) inside, and a fastening plate (3) is slidably connected inside the electrolytic cells (2). A storage tank (4) is fixedly connected to the top of the frame (1). A liquid level balancing mechanism (5) is provided inside the storage tank (4). A scraping mechanism (6) is provided outside the frame (1). A docking mechanism (8) is provided outside the electrolytic cells (2). The liquid level balancing mechanism (5) includes a fixed outer cylinder (51), the bottom end of which is fixedly connected to the inside of the storage tank (4). Multiple guide blocks (54) are slidably connected inside the fixed outer cylinder (51). A fixed block (53) is fixedly connected to the top end of the guide block (54). A movable inner cylinder (52) is fixedly connected to the bottom end of the fixed block (53). A return pipe (55) is fixedly connected inside the storage tank (4). A connecting pipe (56) is fixedly connected to the top end of the storage tank (4). An adjustment component (57) is provided at the top end of the storage tank (4).

2. The ion-exchange membrane electrolytic chlorate treatment device according to claim 1, characterized in that, The adjustment assembly (57) includes a fixing frame (572), the bottom end of which is fixedly connected to the top of the storage tank (4), and a hydraulic cylinder (573) is fixedly connected inside the fixing frame (572). A connecting column (571) is fixedly connected to the drive end of the hydraulic cylinder (573).

3. The ion-exchange membrane electrolytic chlorate treatment device according to claim 2, characterized in that, The bottom end of the connecting column (571) is fixedly connected to the top end of the fixing block (53), and the outside of the connecting column (571) is slidably connected to the inside of the storage tank (4).

4. The ion-exchange membrane electrolytic chlorate treatment device according to claim 2, characterized in that, The outside of the return pipe (55) is located inside the movable inner cylinder (52), and a fastening plate (3) is fixedly connected inside the frame (1).

5. The ion-exchange membrane electrolytic chlorate treatment device according to claim 1, characterized in that, The scraping mechanism (6) includes a discharge pipe (61), the outside of which is fixedly connected to the inside of the frame (1). A three-way valve (62) is fixedly connected to the outside of the discharge pipe (61). A flushing pipe (63) is fixedly connected to the end of the three-way valve (62) away from the discharge pipe (61). A return pipe (68) is fixedly connected to the bottom end of the three-way valve (62). A rotating ring (64) is rotatably connected inside the return pipe (68). A plurality of scrapers (67) are fixedly connected to the bottom end of the rotating ring (64). Rotary impellers (66) are fixedly connected to the outside of each of the plurality of scrapers (67). A fixed column (65) is fixedly connected to the adjacent side of each of the plurality of rotary impellers (66).

6. The ion-exchange membrane electrolytic chlorate treatment device according to claim 5, characterized in that, The outer side of the scraper (67) is in contact with the inner wall of the return pipe (68), and the outer sides of the multiple scrapers (67) are distributed in a circular pattern around the fixed column (65).

7. The ion-exchange membrane electrolytic chlorate treatment device according to claim 1, characterized in that, The docking mechanism (8) includes a fixed cylinder (81), which is fixedly connected to the outside of the storage tank (4). A threaded cylinder (82) is threadedly connected to the outside of the fixed cylinder (81). An embedded ring (84) is fixedly connected to the inner wall of the threaded cylinder (82). A sealing ring (83) is fixedly connected to the inside of the fixed cylinder (81). A connecting pipe (85) is slidably connected to the inside of the fixed cylinder (81). A plurality of limiting blocks (86) are fixedly connected to the outside of the connecting pipe (85).

8. The ion-exchange membrane electrolytic chlorate treatment device according to claim 7, characterized in that, The inner walls of the embedded ring (84) and the fixed cylinder (81) are provided with sliding grooves (87), and the outer side of the limiting block (86) is slidably connected to the inside of the sliding grooves (87).

9. The ion-exchange membrane electrolytic chlorate treatment device according to claim 7, characterized in that, The outside of the connecting tube (85) is slidably connected to the inside of the inner ring (84), and the inside of the frame (1) is slidably connected to the fastening plate (3). The outside of the connecting tube (85) is in contact with the outside of the sealing ring (83).

10. The ion-exchange membrane electrolytic chlorate treatment device according to claim 1, characterized in that, A water pump (7) is fixedly connected to the outside of the storage tank (4), and a control cabinet (9) is fixedly connected to the top of the frame (1).

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