Lithium-rich manganese-based positive electrode material preparation device

Abstract

The invention relates to the technical field of lithium battery electrode materials, and particularly discloses a lithium-rich manganese-based positive electrode material preparation device, which comprises a reaction chamber, a plurality of uniformly distributed reagent bottles are arranged at the upper end of the reaction chamber, the reagent bottles are communicated with the interior of the reaction chamber, and a stirring mechanism is mounted in the reaction chamber. A barrel wall cleaning mechanism is installed on the stirring mechanism, a settling chamber is fixed to the lower end of the reaction chamber and fixed to the ground through a supporting leg frame, a balancing weight is arranged on the supporting leg frame, and a control chamber is installed at the lower end of the settling chamber. Through the reaction chamber, the settling chamber and the control chamber, integrated operation of preparation of the lithium-rich manganese-based positive electrode material is achieved, the automation degree is high, the production efficiency is high, the stirring mechanism and the cylinder wall cleaning mechanism are arranged in the reaction chamber, the cylinder wall can be cleaned in time after a reagent is stirred, and the situation that the product quality is affected by reagent residues is avoided.

Description

Technical Field

[0001] This invention relates to the field of lithium battery electrode materials technology, and in particular to an apparatus for preparing lithium-rich manganese-based cathode materials. Background Technology

[0002] Lithium-ion batteries are widely used in portable devices such as mobile phones and laptops, medical equipment, and power tools due to their advantages including high voltage, high specific energy, long cycle life, good safety performance, wide operating temperature range, and environmental friendliness. In recent years, the application scope of lithium-ion batteries has also expanded to new fields such as energy transportation (electric vehicles, hybrid vehicles, etc.), smart grids, and new energy storage (solar and wind power). These applications place higher demands on the performance of lithium-ion battery materials. Lithium-ion batteries include important components such as positive and negative electrode materials, electrolytes, and separators. Among these, the positive electrode material is a key factor affecting the overall electrochemical performance, safety, and cost of the battery, and its development has received widespread attention from the scientific community. However, currently, there is still no integrated device for preparing lithium-rich manganese-based positive electrode materials on the market, resulting in low production efficiency.

[0003] Chinese patent CN114789008A provides a lithium battery cathode material processing and production device, including a protective shell, a mixing tank inside the protective shell, limit bearings corresponding to the protective shell at both ends of the mixing tank, a discharge pipe at the bottom of the mixing tank, and a feeding hopper corresponding to the mixing tank at the top of the protective shell. The bottom of the mixing tank is equipped with a discharge mechanism for quantitative discharge, and the top of the protective shell is also equipped with a stirring mechanism. The stirring mechanism includes a mixing component for stirring the materials in the mixing tank and a transmission component for adjusting the attitude of the mixing component in conjunction with the discharge mechanism. This invention has a simple structure and, during use, achieves thorough mixing of materials without dead angles through the linkage of multiple structures. Furthermore, it does not release a large amount of dust during the mixing process, resulting in better material mixing performance.

[0004] While the above invention has solved the problems in the background art to some extent, some problems still exist: 1. This device can only mix cathode materials and cannot realize the integrated operation of cathode material preparation, including precipitation, washing, drying, etc. It needs to be continuously transferred to other production lines, which wastes a lot of manpower and resources and has a poor degree of automation. 2. The device cannot clean the mixing tank. After prolonged use, many solidified particles remain on the inner wall of the mixing tank, leading to an imbalance in the reagent ratio and affecting product quality. To address these issues, we propose a lithium-rich manganese-based cathode material preparation device. Summary of the Invention

[0005] The purpose of this invention is to provide a lithium-rich manganese-based cathode material preparation device to solve the problems mentioned in the background art, such as the inability to achieve integrated operation of cathode material preparation, poor automation, inability to clean the mixing tank, and the presence of many solidified particles remaining on the inner wall of the mixing tank after long-term use, leading to reagent ratio imbalance.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A lithium-rich manganese-based cathode material preparation apparatus includes a reaction chamber, a plurality of uniformly distributed reagent bottles arranged at the upper end of the reaction chamber, the reagent bottles being connected to the interior of the reaction chamber, a stirring mechanism installed inside the reaction chamber, a cylinder wall cleaning mechanism installed on the stirring mechanism, a precipitation chamber fixed at the lower end of the reaction chamber, the precipitation chamber being fixed to the ground by a support frame, a counterweight being arranged on the support frame, and a control room being installed at the lower end of the precipitation chamber. The reaction chamber includes a reaction chamber shell, an observation window and a first water inlet are provided on the outer wall of the reaction chamber shell, a reagent introduction component is provided at the upper end of the reaction chamber shell, and several heating chambers are evenly distributed on the side wall of the reaction chamber shell, and heating elements are fixed in the heating chambers by fixing plates.

[0007] In a further embodiment, the reagent bottle includes a bottle body and a connector. The connector is located at the lower end of the bottle body, and the outer wall of the lower end of the connector is provided with threads. A sealing rubber block is installed inside the connector, and a base plate is fixed at the upper end of the sealing rubber block. A locking spring is provided on the base plate, with one end of the locking spring fixed to the outer side of the lower end of the base plate and the other end fixed to the inner wall of the connector.

[0008] In a further embodiment, the reagent introduction component includes a fixing port, the inner wall of which is provided with threads and engages with the threads provided on the outer side of the connector, a pin is provided at the center inside the fixing port, a guide tube is installed on the inner side wall of the fixing port, and a flow control valve is installed at the end of the guide tube.

[0009] In a further embodiment, the stirring mechanism includes a first motor, which is fixed to the upper end of the reaction chamber shell. A main support shaft is installed at the lower end of the first motor. A guide support assembly and a second fixing ring are installed on the main support shaft. A first stirring blade is provided on the second fixing ring, and a second stirring blade is installed at the end of the main support shaft.

[0010] In a further embodiment, the first stirring blade is a rectangular frame with a support rod at its center. The first stirring blade is evenly distributed along the main support axis, and the second stirring blade is installed below the first stirring blade and is evenly distributed along the main support axis.

[0011] In a further embodiment, the guide support assembly includes a first fixing ring, which is disposed on the main support shaft. A support rod is mounted on the first fixing ring, and a support frame is fixed to the end of the support rod. A roller is mounted inside the support frame through a rotating pin, and a guide ring is mounted on the outside of the roller. The guide ring is fixed to the upper end of the inner wall of the reaction chamber shell.

[0012] In a further embodiment, the cylinder wall cleaning mechanism includes a fixed frame, which is fixed to the end of the first stirring blade. A guide groove is provided on the lower wall of the fixed frame. An electromagnet is installed on the right inner wall of the fixed frame. A movable block is installed at the end of the electromagnet. A buffer spring is provided between the electromagnet and the movable block. A buffer block one is installed at the end of the movable block. A buffer block two is installed on the left inner wall of the fixed frame. A connecting frame is installed at the lower end of the movable block. A cleaning scraper is fixed on the connecting frame.

[0013] In a further embodiment, the sedimentation chamber includes a sedimentation cavity shell, a material receiving door is provided on the sedimentation cavity shell, a waste liquid discharge port is provided at the lower end of the sedimentation cavity shell, a material discharge assembly is provided at the upper end of the interior of the sedimentation cavity shell, the material discharge assembly includes a blocking plate, a connecting plate is installed at the lower end of the blocking plate, a telescopic cylinder is provided on the connecting plate, one end of the telescopic cylinder is fixed to the connecting plate, and the other end is fixedly connected to the upper inner wall of the sedimentation cavity shell, a water spray nozzle and a drying port are provided on the blocking plate, and a filter assembly is provided at the lower end of the water spray nozzle and the drying port.

[0014] In a further embodiment, the filter assembly includes a filter plate, a discharge plate is provided on the filter plate, a pusher plate is rotatably mounted on the center of the filter plate via a rotating shaft, a second motor is mounted on the lower end of the filter plate via a sealing shell, the second motor is fixedly connected to the rotating shaft, a telescopic cylinder is mounted on the lower end of the sealing shell, and a sealing ring is provided on the outer side of the telescopic cylinder.

[0015] In a further embodiment, the control room includes a control chamber housing, inside which a main controller, a water pump, and a hot air blower are disposed. The water pump is connected to a second water inlet, and the hot air blower is connected to an air inlet.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: This lithium-rich manganese-based cathode material preparation device is equipped with a reaction chamber, a precipitation chamber, and a control chamber, realizing integrated operation of lithium-rich manganese-based cathode material preparation, with a high degree of automation and high production efficiency. Furthermore, a stirring mechanism and a cylinder wall cleaning mechanism are installed in the reaction chamber, enabling timely cleaning of the cylinder wall after stirring the reagents, avoiding reagent residue from affecting product quality. A reagent bottle is installed at the upper end of the reaction chamber, allowing control of the proportions of various reagents and improving production efficiency. Specifically: 1. In this invention, a reaction chamber, a precipitation chamber, and a control chamber are provided. A reagent bottle is provided at the upper end of the reaction chamber. Through a connector and a reagent introduction component, the proportion of each reagent flowing into the reaction chamber can be controlled to ensure that it flows in strictly according to the formula requirements, thereby improving the production efficiency. A stirring mechanism is provided in the reaction chamber. Under the heating effect of the heating element, the temperature in the reaction chamber is kept constant and the stirring is uniform and thorough, thereby improving the mixing effect. After the reagents are mixed, the reagents are introduced into the precipitation chamber for precipitation using a discharge component. The precipitate is extracted using a filter plate, and finally the precipitate is dried using a water spray nozzle and a drying nozzle, thereby realizing the preparation of lithium-rich manganese-based cathode materials. This method eliminates the need for multiple production lines, has a high degree of automation, and high production efficiency. 2. In this invention, a cylinder wall cleaning component is provided in the reaction chamber. The position of the moving block is controlled by an electromagnet, and in conjunction with the first motor, the cylinder wall is cleaned in a timely manner to avoid reagent residue affecting product quality. When cleaning is required, the electromagnet is activated to drive the moving block forward along the guide groove, which eventually drives the cleaning scraper to contact the inner wall of the reaction chamber shell. The first motor is activated to make the cleaning scraper rotate along the main support shaft. At the same time, the first water inlet is connected to an external water pipe to inject water into the reaction chamber, and finally the reagent residue on the inner wall of the reaction chamber shell is scraped off. 3. In this invention, a filter assembly is installed in the sedimentation chamber. The height of the filter assembly can be adjusted by a telescopic hydraulic cylinder to allow the sediment to leave the waste liquid, facilitating waste liquid discharge. A discharge plate is installed on the filter plate, which can rotate downwards. In conjunction with a pusher plate and a second motor, the sediment can be pushed to the discharge plate position. At this point, the material removal door can be opened to remove the prepared lithium-rich manganese-based cathode material. In addition, before removing the lithium-rich manganese-based cathode material, it is cleaned and dried through a water spray nozzle and a drying nozzle. During the cleaning process, the pusher plate rotates, which can continuously agitate the lithium-rich manganese-based cathode material, improving the cleaning and drying effect. Attached Figure Description

[0017] Figure 1 A schematic diagram of a device for preparing lithium-rich manganese-based cathode materials; Figure 2 This is a schematic diagram of the internal structure of the lithium-rich manganese-based cathode material preparation device in this invention; Figure 3 In this invention Figure 2 Enlarged structural diagram at point A; Figure 4 This is a schematic diagram of the stirring mechanism and the cylinder wall cleaning mechanism in this invention; Figure 5 This is a partial structural schematic diagram of the guide support component in this invention; Figure 6 This is a partial structural schematic diagram of the cylinder wall cleaning mechanism in this invention; Figure 7This is a schematic diagram of the reaction chamber in this invention; Figure 8 This is a schematic diagram of the structure of the filter component in this invention; Figure 9 This is a schematic diagram of the lower structure of the filter component in this invention.

[0018] In the diagram: 1. Reaction chamber; 11. Reaction chamber shell; 12. Observation window; 13. First water inlet; 14. Reagent introduction assembly; 141. Fixing port; 142. Ejector pin; 143. Guide tube; 144. Flow control valve; 15. Heating chamber; 16. Heating element; 17. Fixing plate; 2. Reagent bottle; 21. Bottle body; 22. Connector; 23. Sealing rubber block; 24. Base plate; 25. Locking spring; 3. Stirring mechanism; 31. First motor; 32. Main support shaft; 33. Guide support assembly; 331. Fixing ring one; 332. Support rod; 333. Support frame; 334. Roller; 335. Rotating pin; 336. Guide ring; 34. Fixing ring two; 35. First stirring blade; 351. Support rod; 36. Second stirring blade; 4. Cylinder wall cleaning mechanism; 41. Fixing frame; 42. Guide 43. Slot; 44. Electromagnet; 45. Buffer spring; 46. Moving block; 47. Buffer block one; 48. Buffer block two; 49. Connecting frame; 50. Cleaning scraper; 51. Sedimentation chamber; 52. Sedimentation chamber shell; 53. Material unloading door; 54. Waste liquid discharge port; 55. Discharge assembly; 56. Blocking plate; 57. Connecting plate; 58. Telescopic cylinder one; 59. Water spray nozzle; 50. Drying port; 51. 571. Filter assembly; 571. Filter plate; 571. Discharge plate; 572. Rotating shaft; 573. Pusher plate; 574. Second motor; 575. Sealing shell; 576. Telescopic cylinder II; 577. Sealing ring; 6. Support frame; 61. Counterweight; 7. Control room; 71. Control chamber shell; 72. Main controller; 73. Water pump; 74. Hot air blower; 75. Second water inlet; 76. Air inlet. Implementation

[0019] The technical solutions of 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.

[0020] Please see Figure 1 , Figure 2 and Figure 7In this invention, a lithium-rich manganese-based cathode material preparation device includes a reaction chamber 1, which is used for co-precipitation reaction of reagents to generate lithium-rich manganese-based material. Several uniformly distributed reagent bottles 2 are provided at the upper end of the reaction chamber 1, and the reagent bottles 2 are connected to the interior of the reaction chamber 1. The reagent bottles 2 are used to add materials into the reaction chamber 1. A stirring mechanism 3 is installed inside the reaction chamber 1, which can make the reagents fully mixed. A cylinder wall cleaning mechanism 4 is installed on the stirring mechanism 3, which can clean the cylinder wall to prevent precipitation residue in the reaction chamber 1. A precipitation chamber 5 is fixed at the lower end of the reaction chamber 1, which is used for static precipitation, and the precipitated lithium-rich manganese-based material is filtered, washed and dried. The precipitation chamber 5 is fixed to the ground by a support frame 6, which plays a supporting role. A counterweight 61 is provided on the support frame 6, which can increase the weight of the support frame 6 and improve the stability of the device. A control chamber 7 is installed at the lower end of the precipitation chamber 5, which is used to control the operation of various electrical components. Please see Figure 1 , Figure 2 and Figure 7 The reaction chamber 1 includes a reaction chamber shell 11, which is used for support and loading reagents for reaction. An observation window 12 and a first water inlet 13 are provided on the outer wall of the reaction chamber shell 11. The observation window 12 is made of transparent material to facilitate the operator to observe the internal situation. The first water inlet 13 is used to inject water into the reaction chamber shell 11. A reagent introduction component 14 is provided at the upper end of the reaction chamber shell 11. The reagent introduction component 14 is used to control the flow rate of the reagents to make the ratio of each reagent more reasonable. Several heating chambers 15 are evenly distributed on the side wall of the reaction chamber shell 11. An electric heating element 16 is fixed in the heating chamber 15 by a fixing plate 17. The temperature inside the reaction chamber shell 11 can be controlled by the electric heating element 16, which provides good conditions for the coprecipitation reaction. Based on the above structural features, in operation, the reagents for producing lithium-rich manganese-based materials are first placed into reagent bottles 2 and secured securely. An appropriate amount of water is injected into the reaction chamber 1, and reagent bottles 2 are opened to allow the reagents for producing lithium-rich manganese-based materials to enter the reaction chamber 1. At the same time, the stirring mechanism 3 and the heating element 16 are activated to raise the temperature inside the reaction chamber shell 11 to fifty degrees Celsius, allowing the reagents for producing lithium-rich manganese-based materials to fully mix and react at this temperature. After the reaction is completed, the reagents flow into the precipitation chamber 5 for static precipitation for twenty hours. After precipitation is completed, the precipitate is filtered, washed, and dried in the precipitation chamber 5 to finally obtain the lithium-rich manganese-based cathode material.

[0021] Please see Figure 2 , Figure 4 and Figure 5The stirring mechanism 3 includes a first motor 31, which is fixed to the upper end of the reaction chamber shell 11 and provides power. A main support shaft 32 is installed at the lower end of the first motor 31 and provides support. A guide support assembly 33 and a second fixing ring 34 are installed on the main support shaft 32. The guide support assembly 33 provides auxiliary support to make the stirring mechanism 3 rotate more smoothly. The second fixing ring 34 provides a connection and is provided with six first stirring blades 35 for stirring the reagent at the upper end of the reaction chamber shell 11. A second stirring blade 36 is installed at the end of the main support shaft 32 for stirring the reagent at the lower end of the reaction chamber shell 11. Please see Figure 2 and Figure 4 The first stirring blade 35 is a rectangular frame with a support rod 351 at its center. The first stirring blade 35 is evenly distributed along the main support shaft 32. The shape of the first stirring blade 35 can reduce the resistance in the reaction chamber shell 11 and has good stability and good stirring effect. The second stirring blade 36 is installed below the first stirring blade 35 and is evenly distributed along the main support shaft 32. The second stirring blade 36 is tilted at a certain angle to avoid collision with the lower end of the inner wall of the reaction chamber shell 11, which has strong safety. Please see Figure 2 , Figure 4 and Figure 5 The guide support assembly 33 includes a fixing ring 331, which is mounted on the main support shaft 32 and serves as a connector. A support rod 332 is mounted on the fixing ring 331 and serves as a support. A support frame 333 is fixed to the end of the support rod 332. A roller 334 is mounted inside the support frame 333 via a rotating pin 335. The roller 334 cooperates with the guide ring 336. The guide ring 336 is fixed to the upper end of the inner wall of the reaction chamber shell 11. During operation, the roller 334 rotates inside the guide ring 336, providing support for the rotation of the stirring mechanism 3, making the stirring smoother and more stable. In accordance with the above structural features, when the present invention is in operation, the first motor 31 is started, which drives the main support shaft 32 to rotate, thereby causing the first stirring blade 35 and the second stirring blade 36 to rotate synchronously, completing the stirring of the reagent in the reaction chamber shell 11, so that it is fully mixed and reacted, improving the production effect. In addition, a guide support assembly 33 is provided, which uses rollers 334 to rotate in the guide ring 336 to provide support for the rotation of the stirring mechanism 3, making the stirring smoother and more stable.

[0022] Please see Figure 1 , Figure 2 and Figure 3The reagent bottle 2 includes a bottle body 21 and a connector 22. The connector 22 is located at the lower end of the bottle body 21. The bottle body 21 is used to contain reagents. The connector 22 is used to install and fix the bottle body 21 to the reagent inlet assembly 14. The lower outer wall of the connector 22 is provided with threads for fixed connection. A sealing rubber block 23 is installed inside the connector 22 for sealing the bottle opening. A base plate 24 is fixed to the upper end of the sealing rubber block 23. The base plate 24 provides support and connection. A locking spring 25 is provided on the base plate 24. One end of the locking spring 25 is fixed to the lower outer side of the base plate 24, and the other end is fixed to the inner wall of the connector 22. The locking spring 25 provides a downward pulling force to pull the sealing rubber block 23 toward the bottle opening.

[0023] Please see Figure 1 , Figure 2 and Figure 3 The reagent inlet assembly 14 includes a fixing port 141, which contacts the connector 22. The inner wall of the fixing port 141 is provided with threads, which engage with the threads provided on the outer side of the connector 22 to achieve fixation. A pin 142 is provided in the center of the fixing port 141. When the reagent bottle 2 is installed, the pin 142 contacts the sealing rubber block 23 and pushes it upward, so that the reagent in the reagent bottle 2 can flow in from the fixing port 141. A guide tube 143 is installed on the inner side wall of the fixing port 141. The guide tube 143 is used to transfer the reagent. A flow control valve 144 is installed at the end of the guide tube 143. The flow control valve 144 can control the flow rate of the reagent, so that it flows in strictly according to the formula ratio, making the reaction more complete. Based on the above structural features, in operation, the present invention introduces reagents by inserting the reagent bottle 2 into the reagent introduction component 14 and tightening it. During introduction, the ejector pin 142 contacts the sealing rubber block 23 and pushes it upward, thereby transferring the reagent from the reagent bottle 2 into the reagent introduction component 14. At the same time, the reagent introduction component 14 is equipped with a flow control valve 144, which can control the reagent flow rate to ensure that it flows in strictly according to the formula ratio, so that the reaction is more complete and the product quality is improved.

[0024] Please see Figure 2 and Figure 4The cylinder wall cleaning mechanism 4 includes a fixed frame 41, which is fixed to the end of the first stirring blade 35 and serves as a support and fixation mechanism. A guide groove 42 is provided on the lower wall of the fixed frame 41 for limiting the movement. An electromagnet 43 is installed on the right inner wall of the fixed frame 41. When the electromagnet 43 is energized, its front end can extend and retract. A moving block 45 is installed at the end of the electromagnet 43. A buffer spring 44 is provided between the electromagnet 43 and the moving block 45 for buffering. A buffer block 46 is installed at the end of the moving block 45. A buffer block 47 is installed on the left inner wall of the fixed frame 41. The buffer block 46 and the buffer block 47 work together to absorb the impact of the moving block 45 when it moves forward and reduce vibration. A connecting frame 48 is installed at the lower end of the moving block 45 for connecting. A cleaning scraper 49 is fixed on the connecting frame 48 for scraping off the sediment residue on the inner wall of the reaction chamber shell 11. Based on the above structural features, during operation, the present invention includes a cylinder wall cleaning mechanism 4 installed in the reaction chamber 1. The position of the moving block 45 is controlled by an electromagnet 43, which, in conjunction with the first motor 31, enables timely cleaning of the cylinder wall, preventing reagent residue from affecting product quality. When cleaning is required, the electromagnet 43 is activated, causing it to move the moving block 45 forward along the guide groove 42, ultimately causing the cleaning scraper 49 to contact the inner wall of the reaction chamber shell 11. The first motor 31 is then activated, causing the cleaning scraper 49 to rotate along the main support shaft 32. Simultaneously, the first water inlet 13 is connected to an external water pipe, injecting water into the reaction chamber 1, ultimately cleaning the reagent residue on the inner wall of the reaction chamber shell 11.

[0025] Please see Figure 1 , Figure 2 , Figure 8 and Figure 9The sedimentation chamber 5 includes a sedimentation chamber shell 51, which serves as a support. A material inlet gate 52 is provided on the sedimentation chamber shell 51, and a sealing ring 577 is installed inside the material inlet gate 52 to prevent water leakage while allowing free opening and closing. A waste liquid discharge port 53 is provided at the lower end of the sedimentation chamber shell 51 for discharging waste liquid. A discharge assembly 54 is provided at the upper end of the interior of the sedimentation chamber shell 51. The discharge assembly 54 controls the inflow of reagents from the reaction chamber shell 11 to the sedimentation chamber shell 51. The discharge assembly 54 includes a blocking plate 541, which blocks the channel between the reaction chamber shell 11 and the sedimentation chamber shell 51. A connecting... Plate 542, the connecting plate 542 serves as a support and connection. A telescopic cylinder 543 is provided on the connecting plate 542. One end of the telescopic cylinder 543 is fixed on the connecting plate 542, and the other end is fixedly connected to the inner wall of the sedimentation chamber shell 51. The telescopic cylinder 543 is used to adjust the position of the blocking plate 541 to realize the opening and closing of the channel between the closed reaction chamber shell 11 and the sedimentation chamber shell 51. The blocking plate 541 is provided with a water spray nozzle 55 and a drying port 56. The water spray nozzle 55 and the drying port 56 are used for cleaning and drying the sediment. A filter assembly 57 is provided at the lower end of the water spray nozzle 55 and the drying port 56. The filter assembly 57 is used to filter out the sediment for easy collection. Please see Figure 2 , Figure 8 and Figure 9 The filter assembly 57 includes a filter plate 571, which is used to filter out sediment for easy collection. A discharge plate 5711 is provided on the filter plate 571, which can rotate downwards to facilitate sediment collection. A pusher plate 573 is rotatably mounted at the center of the filter plate 571 via a rotating shaft 572. A second motor 574 is installed at the lower end of the filter plate 571 via a sealing shell 575. The second motor 574 is fixedly connected to the rotating shaft 572. Starting the second motor 574 can drive the pusher plate 573 to rotate. A telescopic cylinder 576 is installed at the lower end of the sealing shell 575. The telescopic cylinder 576 is used to adjust the height of the filter plate 571. A sealing ring 577 is provided on the outside of the telescopic cylinder 576 to prevent water from entering the telescopic cylinder 576. Please see Figure 2 The control room 7 includes a control chamber housing 71, which serves as a support. Inside the control chamber housing 71 are a main controller 72, a water pump 73, and a hot air blower 74. The water pump 73 is connected to the second water inlet 75, and the hot air blower 74 is connected to the air inlet 76. The main controller 72 is used to control various electrical components, and the water pump 73 and the hot air blower 74 are used for cleaning and drying sediment. In accordance with the above structural features, during operation, the filter assembly 57 can be height adjusted by the telescopic cylinder 576 to allow the precipitate to leave the waste liquid, facilitating waste liquid discharge. The filter plate 571 is equipped with a discharge plate 5711, which can rotate downwards. In conjunction with the pusher plate 573 and the second motor 574, the precipitate can be pushed to the position of the discharge plate 5711. At this point, the material removal door 52 can be opened to remove the prepared lithium-rich manganese-based cathode material. Furthermore, before removing the lithium-rich manganese-based cathode material, it is cleaned and dried through the water spray nozzle 55 and the drying port 56. During the cleaning process, the pusher plate 573 rotates, continuously turning the lithium-rich manganese-based cathode material, improving the cleaning and drying effect.

[0026] The working principle of this invention is as follows: During operation, the reagents for producing lithium-rich manganese-based materials are first placed into reagent bottles 2 and secured securely. An appropriate amount of water is injected into the reaction chamber 1, and reagent bottles 2 are opened to allow the reagents for producing lithium-rich manganese-based materials to enter the reaction chamber 1. At the same time, the stirring mechanism 3 and the heating element 16 are activated to raise the temperature inside the reaction chamber shell 11 to fifty degrees Celsius, allowing the reagents for producing lithium-rich manganese-based materials to fully mix and react at this temperature. After the reaction is completed, the reagents flow into the precipitation chamber 5 for static precipitation for twenty hours. After precipitation is completed, the precipitate is filtered, washed, and dried in the precipitation chamber 5 to finally obtain the lithium-rich manganese-based cathode material.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for preparing lithium-rich manganese-based cathode materials, characterized in that, The reaction chamber (1) includes a reaction chamber (1) with a number of reagent bottles (2) evenly distributed at the upper end of the reaction chamber (1). The reagent bottles (2) are connected to the interior of the reaction chamber (1). A stirring mechanism (3) is installed inside the reaction chamber (1). A cylinder wall cleaning mechanism (4) is installed on the stirring mechanism (3). A sedimentation chamber (5) is fixed at the lower end of the reaction chamber (1). The sedimentation chamber (5) is fixed to the ground by a support frame (6). A counterweight (61) is installed on the support frame (6). A control room (7) is installed at the lower end of the sedimentation chamber (5). The reaction chamber (1) includes a reaction chamber shell (11), an observation window (12) and a first water inlet (13) are provided on the outer wall of the reaction chamber shell (11), a reagent introduction component (14) is provided at the upper end of the reaction chamber shell (11), and several heating chambers (15) are evenly distributed on the side wall of the reaction chamber shell (11). A heating element (16) is fixed in the heating chamber (15) by a fixing plate (17).

2. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 1, characterized in that, The reagent bottle (2) includes a bottle body (21) and a connector (22). The connector (22) is located at the lower end of the bottle body (21). The lower outer wall of the connector (22) is provided with threads. A sealing rubber block (23) is installed inside the connector (22). A base plate (24) is fixed at the upper end of the sealing rubber block (23). A locking spring (25) is provided on the base plate (24). One end of the locking spring (25) is fixed to the lower outer side of the base plate (24), and the other end is fixed to the inner wall of the connector (22).

3. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 2, characterized in that, The reagent delivery assembly (14) includes a fixing port (141), the inner wall of the fixing port (141) is provided with threads, and it engages with the threads provided on the outer side of the connector (22). A pin (142) is provided in the center of the fixing port (141), a guide tube (143) is installed on the inner side wall of the fixing port (141), and a flow control valve (144) is installed at the end of the guide tube (143).

4. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 1, characterized in that, The stirring mechanism (3) includes a first motor (31), which is fixed on the upper end of the reaction chamber shell (11). A main support shaft (32) is installed at the lower end of the first motor (31). A guide support assembly (33) and a second fixing ring (34) are installed on the main support shaft (32). A first stirring blade (35) is provided on the second fixing ring (34). A second stirring blade (36) is installed at the end of the main support shaft (32).

5. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 4, characterized in that, The first stirring blade (35) is a rectangular frame and a support rod (351) is provided at its center. The first stirring blade (35) is evenly distributed along the main support shaft (32). The second stirring blade (36) is installed below the first stirring blade (35) and is evenly distributed along the main support shaft (32).

6. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 4, characterized in that, The guide support assembly (33) includes a fixing ring (331), which is mounted on the main support shaft (32). A support rod (332) is installed on the fixing ring (331), and a support frame (333) is fixed at the end of the support rod (332). A roller (334) is installed inside the support frame (333) through a rotating pin (335). A guide ring (336) is provided on the outside of the roller (334), and the guide ring (336) is fixed to the upper end of the inner wall of the reaction chamber shell (11).

7. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 5, characterized in that, The cylinder wall cleaning mechanism (4) includes a fixed frame (41), which is fixed to the end of the first stirring blade (35). A guide groove (42) is provided on the lower wall of the fixed frame (41). An electromagnet (43) is installed on the right inner wall of the fixed frame (41). A moving block (45) is installed at the end of the electromagnet (43). A buffer spring (44) is provided between the electromagnet (43) and the moving block (45). A buffer block one (46) is installed at the end of the moving block (45). A buffer block two (47) is installed on the left inner wall of the fixed frame (41). A connecting frame (48) is installed at the lower end of the moving block (45). A cleaning scraper (49) is fixed on the connecting frame (48).

8. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 1, characterized in that, The sedimentation chamber (5) includes a sedimentation chamber shell (51), a material receiving door (52) is provided on the sedimentation chamber shell (51), a waste liquid discharge port (53) is provided at the lower end of the sedimentation chamber shell (51), a material discharge assembly (54) is provided at the upper end of the interior of the sedimentation chamber shell (51), the material discharge assembly (54) includes a blocking plate (541), a connecting plate (542) is installed at the lower end of the blocking plate (541), a telescopic cylinder (543) is provided on the connecting plate (542), one end of the telescopic cylinder (543) is fixed on the connecting plate (542), and the other end is fixedly connected to the inner wall of the sedimentation chamber shell (51), a water spray nozzle (55) and a drying port (56) are provided on the blocking plate (541), and a filter assembly (57) is provided at the lower end of the water spray nozzle (55) and the drying port (56).

9. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 8, characterized in that, The filter assembly (57) includes a filter plate (571), on which a discharge plate (5711) is provided. A pusher plate (573) is rotatably mounted at the center of the filter plate (571) via a rotating shaft (572). A second motor (574) is mounted at the lower end of the filter plate (571) via a sealing shell (575). The second motor (574) is fixedly connected to the rotating shaft (572). A telescopic cylinder (576) is mounted at the lower end of the sealing shell (575). A sealing ring (577) is provided on the outer side of the telescopic cylinder (576).

10. The apparatus for preparing lithium-rich manganese-based cathode material according to claim 1, characterized in that, The control room (7) includes a control chamber housing (71), inside which a main controller (72), a water pump (73) and a hot air blower (74) are installed. The water pump (73) is connected to the second water inlet (75), and the hot air blower (74) is connected to the air inlet (76).

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