Synthesizer for preparing precursor material

Abstract

The utility model provides a synthesis device for preparing a precursor material, the synthesis device for preparing the precursor material comprises a reaction mechanism and a concentration mechanism, the reaction mechanism comprises a reaction container, the reaction container is provided with a reaction tank, the concentration mechanism comprises a centrifugal container, a centrifugal assembly, a filter cloth assembly and a material pumping assembly, the centrifugal container is communicated with the reaction tank, and the centrifugal assembly is communicated with the reaction tank. A centrifugal cavity formed in the centrifugal assembly is formed in the centrifugal container, the filter cloth assembly is arranged on the inner wall of the centrifugal cavity, and the material pumping assembly communicates with the bottom of the centrifugal assembly. When materials are separated and concentrated in the centrifugal cavity, the materials with small particle sizes can be filtered out of the centrifugal cavity through the filter cloth assembly, so that the materials with the small particle sizes are discharged in time, and the uniformity of the materials prepared by the synthesis device for preparing the precursor materials is improved; the slurry is circularly separated and concentrated between the reaction tank and the centrifugal cavity, so that the problem that a pipeline is blocked by materials is avoided, and material particles in the slurry are uniform.

Description

Technical Field

[0001] The present disclosure relates to the technical field of battery material production, and in particular to a synthesis device for preparing precursor materials. Background Art

[0002] With the rapid development of electric vehicles and energy storage systems, the demand for batteries with high energy density, long cycle life and excellent safety performance is increasing day by day. Among them, lithium cobalt oxide batteries are widely used in the 3C market due to their advantages such as stable structure, high voltage platform and good electrochemical performance. At present, the main method for preparing lithium cobalt oxide is to use liquid phase precipitation. In the liquid phase precipitation method, the concentration process is commonly used to prepare lithium cobalt oxide precursors, and the ultimate goal of preparing lithium cobalt oxide precursors is to obtain particles of uniform size.

[0003] In the concentration process of preparing lithium cobalt oxide precursor, as the particles continue to grow, the solid content of the slurry continues to increase, which is easy to clog the internal pipes of the concentrator, thereby causing the concentrator to malfunction and affecting the normal operation of the equipment. On the other hand, if there is a deviation in the experimental conditions during the reaction, there will be signs of nucleation and produce lithium cobalt oxide precursors with small particle sizes. The lithium cobalt oxide precursors with small particle sizes are not discharged in time, so that the precursor materials are mixed with lithium cobalt oxide precursors with small particle sizes, thereby affecting the uniformity of the lithium cobalt oxide precursors. The existing technology usually adopts an overflow method to discharge the lithium cobalt oxide precursors with small particle sizes, resulting in a longer reaction time, which in turn affects the production efficiency of preparing lithium cobalt oxide precursors.

[0004] Comparative document CN202322249728.5 discloses a synthesis device, including a reactor body, a rotating drum is provided in the reactor body, a reaction chamber is provided in the rotating drum, an outer chamber is formed between the side wall of the rotating drum and the reactor body, micropores are provided on the side wall of the rotating drum, and a centrifugal motor driving the rotating drum to rotate is connected to the bottom of the rotating drum. When the rotating drum rotates, the liquid in the slurry can enter the outer chamber from the reaction chamber through the micropores; a feeding device is used to input the reaction slurry into the reaction chamber; a stirring assembly is used to disperse the slurry in the reaction chamber; a liquid outlet is provided at the bottom of the reactor body, and a discharge port is provided at the bottom of the rotating drum. The device can integrate multiple processes and realize full automation. The setting of the rotating drum can enable continuous production, reduce equipment investment, shorten the time that the battery positive electrode material precursor slurry is free outside the reactor, improve production efficiency, and reduce costs. However, as the reaction proceeds, the slurry particles in this scheme will continue to increase, and it is easy to form a blockage inside the cylinder wall, thereby affecting the normal operation of the equipment. Utility Model Content

[0005] The purpose of the present disclosure is to overcome the deficiencies in the prior art and to provide a synthesis device for preparing precursor materials that avoids clogging of pipelines and ensures uniform material distribution.

[0006] The purpose of this disclosure is achieved through the following technical solutions:

[0007] A synthesis device for preparing precursor materials, characterized in that it comprises a material storage mechanism, a reaction mechanism and a concentration mechanism,

[0008] The material storage mechanism is used to transport the stored materials;

[0009] The reaction mechanism comprises a reaction container and a reaction stirring component, the reaction container is provided with a reaction groove, the material storage mechanism is connected to the reaction groove, the reaction stirring component is connected to the reaction container, and the stirring end of the reaction stirring component is arranged in the reaction groove;

[0010] The concentrating mechanism comprises a centrifugal container, a washing component, a centrifugal component, a filter cloth component, a scraping component and a pumping component. The centrifugal component is arranged in the centrifugal container, the centrifugal container is located below the reaction container, the centrifugal container is connected to the reaction tank, the centrifugal component is provided with a centrifugal cavity, the filter cloth component is arranged on the inner wall of the centrifugal cavity, the scraping component is installed on the centrifugal container, the scraping end of the scraping component extends into the centrifugal cavity and abuts against the filter cloth component, the washing component is connected to the centrifugal container, the liquid spraying end of the washing component is arranged in the centrifugal cavity, the centrifugal container is also provided with a liquid outlet, and the pumping component is connected to the bottom of the centrifugal component.

[0011] In one embodiment, the washing component includes a washing bucket, a washing pump and a washing pipe, one end of the washing pump is connected to the washing bucket, and the other end of the washing pump is connected to the centrifugal chamber through the washing pipe, and the washing pipe is provided with a liquid spray hole.

[0012] In one of the embodiments, there are multiple liquid spray holes, and the multiple liquid spray holes are spaced apart along the vertical direction of the washing pipe.

[0013] In one embodiment, the centrifugal assembly includes a centrifugal motor, a material receiving bin, a centrifugal cylinder, a support seat and a rotating belt, one end of the support seat is connected to the centrifugal container, the centrifugal cylinder is rotatably connected to the other end of the support seat, the centrifugal cylinder is located in the centrifugal container, the centrifugal cylinder is provided with a centrifugal cavity, the material receiving bin is connected to the bottom of the centrifugal cavity, the centrifugal motor is arranged outside the centrifugal container, one end of the rotating belt is sleeved on the bottom of the centrifugal cylinder, and the other end of the rotating belt is sleeved on the output end of the centrifugal motor.

[0014] In one embodiment, the concentrating mechanism also includes a centrifugal stirring assembly, which includes a first stirring paddle and a first stirring motor. The first stirring motor is installed in the centrifugal container, one end of the first stirring paddle is connected to the output end of the first stirring motor, and the other end of the first stirring paddle is located in the centrifugal chamber.

[0015] In one embodiment, the extraction assembly includes a pneumatic pump, a discharge pipe and a feed pipe, one end of the discharge pipe is connected to the receiving bin, the other end of the discharge pipe is connected to the pneumatic pump, one end of the feed pipe is connected to the pneumatic pump, and the other end of the feed pipe is connected to the top of the reaction container.

[0016] In one embodiment, the material storage mechanism includes a metal liquid tank, an alkali liquid tank, a first liquid pump and a second liquid pump, the metal liquid tank is connected to one end of the first liquid pump, the other end of the first liquid pump is connected to the reaction tank, the alkali liquid tank is connected to one end of the second liquid pump, and the other end of the second liquid pump is connected to the reaction tank.

[0017] In one embodiment, the scraper assembly includes a telescopic motor, a telescopic rod and a scraper, the telescopic motor is fixed to the top of the centrifuge container, the telescopic rod is connected to the output end of the telescopic motor, the scraper is connected to the telescopic rod, and the scraping end of the scraper abuts against the filter cloth assembly.

[0018] In one embodiment, the concentration mechanism further includes a liquid inlet conduit, one end of which is connected to the reaction tank, and the other end of which is connected to the centrifugal chamber.

[0019] In one embodiment, the reaction stirring assembly includes a second stirring motor and a second stirring paddle, the second stirring motor is installed in the reaction container, one end of the second stirring paddle is connected to the output end of the second stirring motor, and the other end of the second stirring paddle is arranged in the reaction tank.

[0020] Compared with the prior art, the present invention has at least the following advantages:

[0021] 1. In the above-mentioned synthesis device for preparing precursor materials, since a filter cloth assembly is provided on the inner wall of the centrifugal chamber, when the slurry is separated and concentrated by centrifugal force in the centrifugal chamber, materials with smaller particle sizes can be filtered out of the centrifugal chamber through the filter cloth assembly, so that materials with smaller particle sizes can be discharged in time, thereby improving the uniformity of materials prepared by the synthesis device for preparing precursor materials.

[0022] 2. During the separation and concentration process of the slurry by the centrifugal component, the scraper component scrapes the material attached to the filter cloth component, and the pumping component passes the concentrated slurry into the reaction tank again, so that the slurry circulates between the reaction tank and the centrifugal chamber for separation and concentration, avoiding the problem of material clogging the pipeline and making the material particles in the slurry uniform, thereby improving the production efficiency of the synthesis device for preparing precursor materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the structure of a synthesis device for preparing a precursor material according to an embodiment;

[0025] Figure 2 for Figure 1 Schematic diagram of the structure of the concentration mechanism shown.

[0026] Figure numerals: 10-synthetic device for preparing precursor materials; 100-storage mechanism; 110-metal liquid tank; 120-alkali liquid tank; 130-first liquid pump; 140-second liquid pump; 200-reaction mechanism; 210-reaction container; 2101-reaction tank; 220-reaction stirring assembly; 221-second stirring motor; 222-second stirring paddle; 300-concentration mechanism; 310-centrifugal container; 3101-liquid outlet; 320-washing assembly; 3201-liquid spray hole; 321-washing barrel; 322-washing Pump; 323-washing pipe; 330-centrifugal assembly; 3301-centrifugal chamber; 331-centrifugal motor; 332-collecting bin; 333-centrifugal cylinder; 334-support seat; 335-rotating belt; 340-filter cloth assembly; 350-scraping assembly; 351-telescopic motor; 352-telescopic rod; 353-scraper; 360-extracting assembly; 361-pneumatic pump; 362-discharging pipe; 363-feeding pipe; 370-centrifugal stirring assembly; 371-first stirring paddle; 372-first stirring motor; 380-liquid inlet conduit. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0030] In order to better understand the technical solutions and beneficial effects of the present invention, the present invention is further described in detail below in conjunction with specific embodiments:

[0031] like Figure 1 and Figure 2 As shown, it is a synthesis device 10 for preparing precursor materials according to an embodiment of the present disclosure, including a storage mechanism 100, a reaction mechanism 200 and a concentration mechanism 300. The storage mechanism 100 is used to transport the stored materials. The reaction mechanism 200 includes a reaction container 210 and a reaction stirring assembly 220. The reaction container 210 is provided with a reaction tank 2101. The storage mechanism 100 is connected to the reaction tank 2101. The reaction tank 2101 is used to mix the materials into a slurry for synthesis reaction. The reaction stirring assembly 220 is connected to the reaction container 210, and the stirring end of the reaction stirring assembly 220 is arranged in the reaction tank 2101.

[0032] Furthermore, the concentration mechanism 300 includes a centrifugal container 310, a washing component 320, a centrifugal component 330, a filter cloth component 340, a scraper component 350 and a material extraction component 360. The centrifugal component 330 is arranged in the centrifugal container 310, the centrifugal container 310 is located below the reaction container 210, the centrifugal container 310 is connected to the reaction tank 2101, the centrifugal component 330 is provided with a centrifugal cavity 3301, the filter cloth component 340 is arranged on the inner wall of the centrifugal cavity 3301, the scraper component 350 is connected to the centrifugal container 310, the scraper end of the scraper component 350 extends into the centrifugal cavity 3301 and abuts against the filter cloth component 340, and the scraper component 350 can be retracted to scrape the surface of the filter cloth component 340. The washing component 320 is connected to the centrifugal container 310, and the liquid spraying end of the washing component 320 is arranged in the centrifugal cavity 3301. The centrifugal container 310 is also provided with a liquid outlet 3101, and the liquid outlet 3101 is arranged at the bottom of the centrifugal container 310. The centrifugal component 330 separates and concentrates the slurry by centrifugal force, so that the supernatant and material separated from the slurry in the centrifugal cavity 3301, the liquid outlet 3101 can discharge the supernatant, washing water and materials with small particle size, one end of the extraction component 360 is connected to the bottom of the centrifugal component 330, and the other end of the extraction component 360 is connected to the reaction tank 2101, and the extraction component 360 can transport the separated and concentrated slurry back to the reaction tank 2101.

[0033] In this embodiment, the material storage mechanism 100 transports the stored material to the reaction tank 2101 provided in the reaction container 210 to complete mixing and then form a slurry. When the slurry in the reaction tank 2101 reaches a full kettle state, the slurry is passed into the centrifugal chamber 3301 through a pipeline, and then the centrifugal component 330 separates and concentrates the slurry through centrifugal force, so that the slurry is separated into a supernatant and materials, thereby increasing the solid content concentration of the slurry; during the operation of the centrifugal component 330, the material with a smaller particle size is filtered out of the centrifugal chamber 3301 by the filter cloth component 340, and the material with a larger particle size remains in the centrifugal chamber 3301, and some of the material with a larger particle size is easily attached to the filter cloth component 340. At this time, the scraper component 350 scrapes the material attached to the filter cloth component 340, so that the material attached to the filter cloth component 340 returns to the centrifugal chamber 3301, and the supernatant generated during the centrifugation process is separated from the centrifugal chamber 3301 to the centrifugal container 310, and the supernatant is discharged from the liquid outlet 3101 at the bottom of the centrifugal container 310. The extraction component 360 extracts the slurry separated and concentrated by the centrifugal component 330 into the reaction tank 2101 again, so that the slurry is circulated, separated and concentrated between the reaction tank 2101 and the centrifugal chamber 3301, thereby making the particle size of the material in the slurry gradually uniform; when the reaction tank 2101 needs to wash the centrifugal chamber 3301, the liquid spraying end of the washing component 320 sprays washing water to wash the centrifugal chamber 3301, and at the same time, the centrifugal component 330 separates the washing water into the centrifugal container 310 through the centrifugal force, and the washing water is discharged from the liquid outlet 3101 at the bottom of the centrifugal container 310. After washing is completed, the scraper component 350 scrapes the material attached to the filter cloth component 340 again, so that the remaining material falls into the centrifugal component 330, thereby reducing the loss of material and improving the utilization rate of the material.

[0034] In the above-mentioned synthesis device 10 for preparing precursor materials, since the filter cloth assembly 340 is provided on the inner wall of the centrifugal chamber 3301, when the slurry is separated and concentrated by centrifugal force in the centrifugal chamber 3301, the material with smaller particle size can be filtered out of the centrifugal chamber 3301 through the filter cloth assembly 340, so that the material with smaller particle size can be discharged in time, thereby improving the uniformity of the material prepared by the synthesis device for preparing precursor materials; in the process of separation and concentration of the slurry by the centrifugal assembly 330, the scraper assembly 350 scrapes the material attached to the filter cloth assembly 340, and at the same time, the extraction assembly 360 passes the concentrated slurry into the reaction tank 2101 again, so that the slurry circulates between the reaction tank 2101 and the centrifugal chamber 3301 for separation and concentration, avoiding the problem of material clogging the pipeline, and making the material particles in the slurry uniform, thereby improving the production efficiency of the synthesis device 10 for preparing precursor materials.

[0035] like Figure 1 and Figure 2As shown, in one embodiment, the washing assembly 320 includes a washing barrel 321, a washing pump 322 and a washing pipe 323, one end of the washing pump 322 is connected to the washing barrel 321, and the other end of the washing pump 322 is connected to the washing pipe 323, the washing pipe 323 is arranged in the centrifugal chamber 3301, and the washing pipe 323 is provided with a liquid spraying hole 3201. In this embodiment, when all the materials in the reaction tank 2101 complete the mixed reaction and enter the centrifugal chamber 3301, the washing pump 322 extracts washing water from the washing barrel 321, and the washing pump 322 passes the washing water into the washing pipe 323, and then the liquid spraying hole 3201 provided in the washing pipe 323 sprays the washing water to wash the centrifugal chamber 3301, so that the materials attached to the filter cloth assembly 340 fall into the centrifugal assembly 330, reducing the loss of materials and avoiding the problem of clogging of the filter cloth assembly 340 due to the attached materials.

[0036] like Figure 2 As shown, in one embodiment, the number of the liquid spray holes 3201 is multiple, and the multiple liquid spray holes 3201 are spaced apart along the vertical direction of the washing pipe 323. In this embodiment, during the process of the washing assembly 320 washing the centrifugal chamber 3301, the multiple liquid spray holes 3201 spaced apart along the vertical direction of the washing pipe 323 enable the filter cloth assembly 340 at each position of the centrifugal chamber 3301 to be cleaned, and the multiple liquid spray holes 3201 increase the washing area of ​​the centrifugal chamber 3301 by the washing pipe 323, speed up the washing efficiency of the centrifugal chamber 3301 by the washing pipe 323, reduce the loss of materials, and prevent the filter cloth assembly 340 from being blocked by the attached materials.

[0037] like Figure 1 and Figure 2As shown, in one embodiment, the centrifugal assembly 330 includes a centrifugal motor 331, a material collecting bin 332, a centrifugal cylinder 333, a support seat 334 and a rotating belt 335, one end of the support seat 334 is connected to the centrifugal container 310, the centrifugal cylinder 333 is rotatably connected to the support seat 334, the centrifugal cylinder 333 is located in the centrifugal container 310, the centrifugal cylinder 333 is provided with a centrifugal cavity 3301, the material collecting bin 332 is connected to the bottom of the centrifugal cavity 3301, the centrifugal motor 331 is arranged outside the centrifugal container 310, one end of the rotating belt 335 is sleeved on the bottom of the centrifugal cylinder 333, and the other end of the rotating belt 335 is sleeved on the output end of the centrifugal motor 331. In this embodiment, after the slurry in the reaction tank 2101 enters the centrifugal chamber 3301, the output end of the centrifugal motor 331 drives the rotating belt 335 to rotate at a high speed, and the rotating belt 335 drives the centrifugal cylinder 333 to rotate, so that the centrifugal cylinder generates centrifugal force on the slurry in the centrifugal chamber 3301. Under the action of the centrifugal force, the solid components in the slurry fall into the material receiving bin 332, and the supernatant components in the slurry are filtered out of the centrifugal chamber 3301 through the filter cloth assembly 340. Since the slurry achieves solid-liquid separation under the action of centrifugal force, the solid content of the slurry falling into the material receiving bin 332 is increased, thereby making the particle size of the material in the slurry more uniform.

[0038] like Figure 2 As shown, in one embodiment, the concentration mechanism 300 further includes a centrifugal stirring assembly 370, the centrifugal stirring assembly 370 includes a first stirring paddle 371 and a first stirring motor 372, the first stirring motor 372 is installed in the centrifugal container 310, one end of the first stirring paddle 371 is connected to the output end of the first stirring motor 372, and the other end of the first stirring paddle 371 is located in the centrifugal chamber 3301. In this embodiment, during the separation and concentration of the slurry in the centrifugal chamber 3301, the output end of the first stirring motor 372 drives the first stirring paddle 371 to rotate, and the first stirring paddle 371 stirs the slurry in the centrifugal chamber 3301. Since the first stirring paddle 371 generates eddy currents in the centrifugal chamber 3301 during the stirring process, the materials in the slurry are kept in a uniformly mixed state, and the slurry is prevented from settling and accumulating in the centrifugal chamber 3301.

[0039] like Figure 1 and Figure 2As shown, in one embodiment, the extraction component 360 includes a pneumatic pump 361, a discharge pipe 362 and a feed pipe 363, one end of the discharge pipe 362 is connected to the receiving bin 332, the other end of the discharge pipe 362 is connected to the pneumatic pump 361, one end of the feed pipe 363 is connected to the pneumatic pump 361, and the other end of the feed pipe 363 is connected to the top of the reaction container 210. In this embodiment, the bottom of the centrifugal cylinder 333 is connected to a collecting bin 332, and a discharge pipe 362 is connected to the collecting bin 332. The slurry is separated and concentrated by centrifugal force in the centrifugal chamber 3301, and the concentrated slurry falls into the collecting bin 332. The pneumatic pump 361 extracts the slurry from the collecting bin 332 through the discharge pipe 362, and then the slurry is passed into the reaction tank 2101 from the feed pipe 363, so that the slurry circulates between the centrifugal chamber 3301 and the reaction tank 2101 for separation and concentration, thereby avoiding the problem of slurry clogging the pipeline. At the same time, during the circulation separation and concentration process, the particle size of the material gradually becomes uniform and the concentration of the slurry gradually increases.

[0040] like Figure 1 As shown, in one embodiment, the material storage mechanism 100 includes a molten metal tank 110, an alkali liquid tank 120, a first liquid pump 130 and a second liquid pump 140, the molten metal tank 110 is connected to one end of the first liquid pump 130, the other end of the first liquid pump 130 is connected to the reaction tank 2101, the alkali liquid tank 120 is connected to one end of the second liquid pump 140, and the other end of the second liquid pump 140 is connected to the reaction tank 2101. In this embodiment, during the preparation of the precursor material, a cobalt salt solution is configured in the molten metal tank 110, and an alkali solution is configured in the alkali solution tank 120. The first pumping pump 130 extracts the cobalt salt solution in the molten metal tank 110 to the reaction tank 2101, and the second pumping pump 140 extracts the alkali solution in the alkali solution tank 120 to the reaction tank 2101, so that the cobalt salt solution and the alkali solution are mixed into a slurry in the reaction tank 2101, and the cobalt salt solution and the alkali solution react in the reaction tank 2101 to form the precursor material. During the extraction of the cobalt salt solution and the alkali solution, the operator can respectively control the rates at which the first pumping pump 130 and the second pumping pump 140 convey the cobalt salt solution and the alkali solution, so that the material mixing ratio is more accurate, thereby improving the accuracy of the synthesis device 10 for preparing the precursor material.

[0041] like Figure 2As shown, in one embodiment, the scraper assembly 350 includes a telescopic motor 351, a telescopic rod 352 and a scraper 353, the telescopic motor 351 is fixed to the top of the centrifuge container 310, the telescopic rod 352 is connected to the output end of the telescopic motor 351, the scraper 353 is connected to the telescopic rod 352, and the scraping end of the scraper 353 abuts against the filter cloth assembly 340. In this embodiment, during the process of separation and concentration of the slurry by the centrifugal assembly 330, the material is easily attached to the filter cloth assembly 340 on the inner wall of the centrifugal chamber 3301 under the action of centrifugal force. At this time, the telescopic motor 351 drives the telescopic rod 352 to extend and retract up and down, so that the scraper 353 connected to the telescopic rod 352 continuously scrapes the material on the filter cloth assembly 340. When the centrifugal motor 331 drives the centrifugal cylinder 333 to rotate, the scraper 353 scrapes the material on the filter cloth assembly 340 of the centrifugal chamber 3301. The material is scraped off the filter cloth assembly 340 by the scraper 353 and falls into the material receiving bin 332, thereby avoiding the problem that the material adheres to the filter cloth, causing the filter cloth assembly 340 to be blocked and unable to filter materials with small particle sizes, thereby keeping the material in a uniformly mixed state.

[0042] like Figure 1 and Figure 2 As shown, in one embodiment, the concentration mechanism 300 further includes a liquid inlet conduit 380, one end of which is connected to the reaction tank 2101, and the other end of which is connected to the centrifugal chamber 3301. In this embodiment, the material is directly transported from the reaction tank 2101 to the centrifugal chamber 3301 for concentration through the liquid inlet conduit 380, so that the material flows smoothly into the centrifugal chamber 3301, avoiding the material from falling into the centrifugal chamber 3301 and splashing to cause waste, while improving the synthesis reaction efficiency of the precursor material.

[0043] like Figure 1 As shown, in one embodiment, the reaction stirring assembly 220 includes a second stirring motor 221 and a second stirring paddle 222, the second stirring motor 221 is installed in the reaction container 210, one end of the second stirring paddle 222 is connected to the output end of the second stirring motor 221, and the other end of the second stirring paddle 222 is arranged in the reaction tank 2101. In this embodiment, after the cobalt salt solution and the alkali solution enter the reaction tank 2101, the second stirring motor 221 drives the second stirring paddle 222 to rotate, and the second stirring paddle 222 starts to stir the slurry, so that the slurry in the reaction tank 2101 is better contacted and fully mixed, thereby accelerating the speed at which the materials in the slurry complete the mixing reaction, thereby improving the production efficiency of the synthesis device 10 for preparing the precursor material.

[0044] Compared with the prior art, the present invention has at least the following advantages:

[0045] 1. In the above-mentioned synthesis device 10 for preparing precursor materials, since the filter cloth assembly 340 is provided on the inner wall of the centrifugal chamber 3301, when the slurry is separated and concentrated by centrifugal force in the centrifugal chamber 3301, the material with smaller particle size can be filtered out of the centrifugal chamber 3301 through the filter cloth assembly 340, so that the material with smaller particle size can be discharged in time, thereby improving the uniformity of the material prepared by the synthesis device for preparing precursor materials.

[0046] 2. During the separation and concentration process of the slurry by the centrifugal component 330, the scraper component 350 scrapes the material attached to the filter cloth component 340, and at the same time, the pumping component 360 passes the concentrated slurry into the reaction tank 2101 again, so that the slurry circulates between the reaction tank 2101 and the centrifugal chamber 3301 for separation and concentration, avoiding the problem of material clogging the pipeline and making the material particles in the slurry uniform, thereby improving the production efficiency of the synthesis device 10 for preparing precursor materials.

[0047] The above-mentioned embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the disclosed patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the disclosed patent shall be subject to the attached claims.

Claims

1. A synthesis device for preparing a precursor material, characterized in that: It comprises a material storage mechanism (100), a reaction mechanism (200) and a concentration mechanism (300). The material storage mechanism (100) is used to transport stored materials; The reaction mechanism (200) comprises a reaction container (210) and a reaction stirring assembly (220), wherein the reaction container (210) is provided with a reaction groove (2101), the material storage mechanism (100) is connected to the reaction groove (2101), the reaction stirring assembly (220) is connected to the reaction container (210), and the stirring end of the reaction stirring assembly (220) is arranged in the reaction groove (2101); The concentrating mechanism (300) comprises a centrifugal container (310), a washing component (320), a centrifugal component (330), a filter cloth component (340), a scraping component (350) and a pumping component (360), wherein the centrifugal component (330) is arranged in the centrifugal container (310), the centrifugal container (310) is located below the reaction container (210), the centrifugal container (310) is connected to the reaction tank (2101), the centrifugal component (330) is provided with a centrifugal cavity (3301), the filter cloth component (340) is arranged above the centrifugal container (2101), and the centrifugal cavity (3301) is provided on the centrifugal container (2101). The inner wall of the centrifugal cavity (3301), the scraper assembly (350) is installed on the centrifugal container (310), the scraper end of the scraper assembly (350) extends into the centrifugal cavity (3301) and abuts against the filter cloth assembly (340), the washing assembly (320) is connected to the centrifugal container (310), the liquid spraying end of the washing assembly (320) is arranged in the centrifugal cavity (3301), the centrifugal container (310) is also provided with a liquid outlet (3101), and the extraction assembly (360) is connected to the bottom of the centrifugal assembly (330).

2. The synthesis device for preparing precursor materials according to claim 1, characterized in that: The washing component (320) comprises a washing barrel (321), a washing pump (322) and a washing pipe (323); one end of the washing pump (322) is connected to the washing barrel (321); the other end of the washing pump (322) is connected to the centrifugal chamber (3301) through the washing pipe (323); and the washing pipe (323) is provided with a liquid spraying hole (3201).

3. The synthesis device for preparing precursor materials according to claim 2, characterized in that: There are multiple liquid spray holes (3201), and the multiple liquid spray holes (3201) are arranged at intervals along the vertical direction of the washing pipe (323).

4. The synthesis device for preparing precursor materials according to claim 1, characterized in that: The centrifugal assembly (330) comprises a centrifugal motor (331), a material receiving bin (332), a centrifugal cylinder (333), a support seat (334) and a rotating belt (335), one end of the support seat (334) is connected to the centrifugal container (310), the centrifugal cylinder (333) is rotatably connected to the other end of the support seat (334), the centrifugal cylinder (333) is located in the centrifugal container (310), the centrifugal cylinder (333) is provided with a centrifugal cavity (3301), the material receiving bin (332) is connected to the bottom of the centrifugal cavity (3301), the centrifugal motor (331) is arranged outside the centrifugal container (310), one end of the rotating belt (335) is sleeved on the bottom of the centrifugal cylinder (333), and the other end of the rotating belt (335) is sleeved on the output end of the centrifugal motor (331).

5. The synthesis device for preparing precursor materials according to claim 4, characterized in that: The concentrating mechanism (300) further includes a centrifugal stirring assembly (370), wherein the centrifugal stirring assembly (370) includes a first stirring paddle (371) and a first stirring motor (372), wherein the first stirring motor (372) is installed in the centrifugal container (310), wherein one end of the first stirring paddle (371) is connected to an output end of the first stirring motor (372), and the other end of the first stirring paddle (371) is located in the centrifugal chamber (3301).

6. The synthesis device for preparing precursor materials according to claim 4, characterized in that: The material extraction component (360) includes a pneumatic pump (361), a discharge pipe (362) and a feed pipe (363), one end of the discharge pipe (362) is connected to the material receiving bin (332), the other end of the discharge pipe (362) is connected to the pneumatic pump (361), one end of the feed pipe (363) is connected to the pneumatic pump (361), and the other end of the feed pipe (363) is connected to the top of the reaction container (210).

7. The synthesis device for preparing precursor materials according to claim 1, characterized in that: The material storage mechanism (100) comprises a metal liquid tank (110), an alkali liquid tank (120), a first liquid pump (130), and a second liquid pump (140); the metal liquid tank (110) is connected to one end of the first liquid pump (130), and the other end of the first liquid pump (130) is connected to the reaction tank (2101); the alkali liquid tank (120) is connected to one end of the second liquid pump (140), and the other end of the second liquid pump (140) is connected to the reaction tank (2101).

8. The synthesis device for preparing precursor materials according to claim 1, characterized in that: The scraper assembly (350) comprises a telescopic motor (351), a telescopic rod (352) and a scraper (353); the telescopic motor (351) is fixed to the top of the centrifugal container (310); the telescopic rod (352) is connected to the output end of the telescopic motor (351); the scraper (353) is connected to the telescopic rod (352); and the scraping end of the scraper (353) abuts against the filter cloth assembly (340).

9. The synthesis device for preparing precursor materials according to claim 1, characterized in that: The concentration mechanism (300) further comprises a liquid inlet conduit (380), one end of which is connected to the reaction tank (2101), and the other end of which is connected to the centrifugal chamber (3301).

10. The synthesis device for preparing precursor materials according to claim 1, characterized in that: The reaction stirring assembly (220) comprises a second stirring motor (221) and a second stirring paddle (222), wherein the second stirring motor (221) is installed on the reaction container (210), one end of the second stirring paddle (222) is connected to the output end of the second stirring motor (221), and the other end of the second stirring paddle (222) is arranged in the reaction tank (2101).

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