A preparation device for ternary material precursor

Abstract

The utility model discloses a preparation device for a ternary material precursor, and relates to the technical field of ternary materials. The preparation device for the ternary material precursor comprises a ternary material precursor preparation tank, a motor base is fixedly installed on the left side of the longitudinal middle position of the upper surface of the ternary material precursor preparation tank, a motor is fixedly installed on the upper surface of the motor base, a first bevel gear is fixedly installed on the output shaft of the motor, a first rotating rod and a second rotating rod rotate to drive three first rhombus stirring blocks and three second rhombus stirring blocks to rotate synchronously in opposite directions, so that mixing is more uniform and rapid, and the rotation of the second rotating rod drives three connecting plates to rotate, and the rotation of the three connecting plates drives three arc-shaped scrapers and three brushes to rotate, and the three arc-shaped scrapers and the three brushes scrape up the sediment on the bottom end of the inner wall of the ternary material precursor preparation tank and the inner lower surface of the ternary material precursor preparation tank, so as to further improve the mixing effect of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of ternary materials, in particular to a preparation device for a ternary material precursor. Background Art

[0002] Nickel-cobalt-manganese ternary positive electrode material is a new type of positive electrode material that has emerged in recent years. It is widely used in new energy, mineral extraction, metal smelting, material processing and other industries due to its many advantages such as low cost, good environmental protection, high capacity and good cycle performance.

[0003] In the existing preparation process of ternary material precursors, a rotating shaft is usually used to drive stirring blades to mix the mixed solution. However, the existing rotating shafts rotate in a single direction, which causes the stirring blades to rotate in one direction all the time, resulting in low mixing efficiency of the device. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a device for preparing a ternary material precursor, which can solve the problem that the existing rotating shaft rotates in a single direction, thereby causing the stirring blade to rotate in one direction all the time, resulting in low mixing efficiency of the device.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preparation device for a ternary material precursor, comprising a ternary material precursor preparation tank, a motor base is fixedly installed on the left side of the longitudinal middle position of the upper surface of the ternary material precursor preparation tank, a motor is fixedly installed on the upper surface of the motor base, and a first bevel gear is fixedly installed on the output shaft of the motor;

[0008] Among them, a first rotating rod is plugged and rotatably installed on the center position of the upper surface of the ternary material precursor preparation tank, a second bevel gear is sleeved and fixedly installed on the top outer surface of the first rotating rod, the second bevel gear is meshingly connected with the first bevel gear, and a second rotating rod is plugged and rotatably installed on the center position of the upper surface of the first rotating rod, a third bevel gear is sleeved and fixedly installed on the top outer surface of the second rotating rod, the third bevel gear is meshingly connected with the first bevel gear, the bottom end of the first rotating rod extends to the vertical middle position inside the ternary material precursor preparation tank, and the bottom end of the second rotating rod is rotatably installed on the center position of the lower surface inside the ternary material precursor preparation tank;

[0009] Wherein, a stirring device is arranged on the outer surface of the first rotating rod and the second rotating rod;

[0010] Among them, a pH sensor and a temperature sensor are fixedly installed at the vertical middle positions on the left and right sides of the interior of the ternary material precursor preparation tank;

[0011] Among them, a salt solution tube and an alkaline solution tube are plugged and fixedly installed on the front side of the upper surface of the ternary material precursor preparation tank, and a premixing device is arranged on the inner upper surface of the ternary material precursor preparation tank;

[0012] Among them, a water inlet pipe is fixedly installed on the upper surface of the ternary material precursor preparation tank at the right position corresponding to the salt solution pipe and the alkaline solution pipe;

[0013] Among them, four supporting legs are evenly and fixedly installed on the lower surface of the ternary material precursor preparation tank.

[0014] Preferably, the stirring device includes three first diamond-shaped stirring blocks and three second diamond-shaped stirring blocks. The three first diamond-shaped stirring blocks are evenly fixedly installed in a ring shape on the outer surface of the first rotating rod, and the three second diamond-shaped stirring blocks are evenly fixedly installed in a ring shape on the outer surface of the second rotating rod.

[0015] Preferably, three connecting plates are evenly fixedly installed on the outer surface of the bottom end of the second rotating rod, and arc-shaped scrapers are fixedly installed on the ends of the three connecting plates away from the second rotating rod. The three arc-shaped scrapers are all in contact with the inner wall of the ternary material precursor preparation tank, and brushes are evenly fixedly installed on the lower surfaces of the three connecting plates.

[0016] Preferably, a heating coil is fixedly installed at the bottom end of the inner wall of the ternary material precursor preparation tank, and the heating coil is electrically connected to the temperature sensor.

[0017] Preferably, a discharge elbow is plugged and fixedly installed on the front side of the lower surface of the ternary material precursor preparation tank, a discharge valve is provided on the outer surface of the discharge elbow, a first valve is provided on the outer surface of the salt solution pipe and the alkaline solution pipe, and a second valve is provided on the outer surface of the water inlet pipe.

[0018] Preferably, the premixing device includes a premixing box, which is fixedly installed on the internal upper surface of the ternary material precursor preparation tank at positions corresponding to the salt solution tube and the alkaline solution tube, and a plurality of diverter plates are evenly fixedly installed at the vertical middle positions of the internal front and rear surfaces of the premixing box, and a mixing hole is opened at the horizontal middle position of the lower surface of the premixing box.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] (1) In the device for preparing the ternary material precursor, after the salt solution and the alkaline solution flow into the interior of the ternary material precursor preparation tank, the motor is started, the output shaft of the motor rotates to drive the first bevel gear to rotate, the rotation of the first bevel gear drives the second bevel gear and the third bevel gear to rotate in opposite directions respectively, the rotation of the second bevel gear and the third bevel gear drives the first rotating rod and the second rotating rod to rotate, the rotation of the first rotating rod and the second rotating rod drives the three first diamond-shaped stirring blocks and the three second diamond-shaped stirring blocks to rotate synchronously in opposite directions, so that the mixing is more uniform and faster.

[0022] (2) The preparation device of the ternary material precursor drives the three connecting plates to rotate by rotating the second rotating rod, and the rotation of the three connecting plates drives the three arc-shaped scrapers and three brushes to rotate. The three arc-shaped scrapers and three brushes scrape up the sediment on the bottom end of the inner wall of the ternary material precursor preparation tank and the inner lower surface of the ternary material precursor preparation tank, thereby further improving the mixing effect of the device.

[0023] (3) When using the device for preparing the ternary material precursor, the two first valves are opened, and the salt solution and the alkaline solution are respectively injected into the interior of the premixing box through the salt solution pipe and the alkaline solution pipe. The salt solution and the alkaline solution flow through a plurality of diverter plates and then fall on the lower surface of the interior of the premixing box for premixing. After mixing, the salt solution and the alkaline solution flow through the mixing holes into the interior of the ternary material precursor preparation tank, thereby improving the mixing efficiency of the device through premixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0025] Figure 1 This is a schematic diagram of the structure of a preparation device for a ternary material precursor of the utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0027] Figure 3 It is a schematic diagram of the interior of the utility model when viewed from above.

[0028] Figure numerals: 1. ternary material precursor preparation tank; 2. motor base; 3. motor; 4. first bevel gear; 5. first rotating rod; 6. second bevel gear; 7. second rotating rod; 8. third bevel gear; 9. pH sensor; 10. temperature sensor; 11. salt solution tube; 12. alkaline solution tube; 13. water inlet pipe; 14. first diamond-shaped stirring block; 15. second diamond-shaped stirring block; 16. connecting plate; 17. arc scraper; 18. brush; 19. heating coil; 20. discharge elbow; 21. discharge valve; 22. premixing box; 23. diverter plate; 24. mixing hole; 25. first valve; 26. second valve. DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0033] See also Figure 1-3 The utility model provides a technical solution: a ternary material precursor preparation device, comprising a ternary material precursor preparation tank 1, a motor base 2 is fixedly installed on the left side of the longitudinal middle position of the upper surface of the ternary material precursor preparation tank 1, a motor 3 is fixedly installed on the upper surface of the motor base 2, and a first bevel gear 4 is fixedly installed on the output shaft of the motor 3;

[0034] Among them, a first rotating rod 5 is plugged and rotatably installed on the center position of the upper surface of the ternary material precursor preparation tank 1, a second bevel gear 6 is sleeved and fixedly installed on the top outer surface of the first rotating rod 5, the second bevel gear 6 is meshingly connected with the first bevel gear 4, and a second rotating rod 7 is plugged and rotatably installed on the center position of the upper surface of the first rotating rod 5, a third bevel gear 8 is sleeved and fixedly installed on the top outer surface of the second rotating rod 7, the third bevel gear 8 is meshingly connected with the first bevel gear 4, the bottom end of the first rotating rod 5 extends to the vertical middle position inside the ternary material precursor preparation tank 1, and the bottom end of the second rotating rod 7 is rotatably installed on the center position of the lower surface inside the ternary material precursor preparation tank 1;

[0035] Wherein, a stirring device is provided on the outer surface of the first rotating rod 5 and the second rotating rod 7;

[0036] Among them, a pH sensor 9 and a temperature sensor 10 are fixedly installed at the vertical middle positions on the left and right sides of the interior of the ternary material precursor preparation tank 1;

[0037] Among them, a salt solution pipe 11 and an alkaline solution pipe 12 are plugged and fixedly installed on the front side of the upper surface of the ternary material precursor preparation tank 1, and a premixing device is provided on the inner upper surface of the ternary material precursor preparation tank 1;

[0038] Among them, a water inlet pipe 13 is plugged and fixedly installed on the upper surface of the ternary material precursor preparation tank 1 at the right position corresponding to the salt solution pipe 11 and the alkaline solution pipe 12;

[0039] Among them, four supporting legs are evenly and fixedly installed on the lower surface of the ternary material precursor preparation tank 1.

[0040] Furthermore, the stirring device includes three first diamond-shaped stirring blocks 14 and three second diamond-shaped stirring blocks 15. The three first diamond-shaped stirring blocks 14 are evenly fixedly installed in a ring shape on the outer surface of the first rotating rod 5, and the three second diamond-shaped stirring blocks 15 are evenly fixedly installed in a ring shape on the outer surface of the second rotating rod 7.

[0041] Furthermore, three connecting plates 16 are evenly fixedly installed on the outer surface of the bottom end of the second rotating rod 7, and arc-shaped scrapers 17 are fixedly installed on the ends of the three connecting plates 16 away from the second rotating rod 7. The three arc-shaped scrapers 17 are all in contact with the inner wall of the ternary material precursor preparation tank 1, and brushes 18 are evenly fixedly installed on the lower surfaces of the three connecting plates 16.

[0042] Furthermore, a heating coil 19 is fixedly installed at the bottom end of the inner wall of the ternary material precursor preparation tank 1, and the heating coil 19 is electrically connected to the temperature sensor 10. When the temperature sensor 10 detects that the temperature of the mixed liquid is lower than 40°C, the heating coil 19 starts to operate to heat the mixed liquid until the temperature reaches between 40°C and 60°C. The heating wire 19 stops working. When the PH sensor 9 detects that the PH value is greater than 13, the second valve 26 is opened to allow pure water to flow into the ternary material precursor preparation tank 1 through the water inlet pipe 13 until the PH value stabilizes between 10-13. The second valve 26 is closed. After the reaction is completed, the discharge valve 21 is opened to control the finished product to flow out of the interior of the ternary material precursor preparation tank 1.

[0043] Furthermore, a discharge elbow 20 is plugged and fixedly installed on the front side of the lower surface of the ternary material precursor preparation tank 1, and a discharge valve 21 is arranged on the outer surface of the discharge elbow 20, and a first valve 25 is arranged on the outer surface of the salt solution pipe 11 and the alkaline solution pipe 12, and a second valve 26 is arranged on the outer surface of the water inlet pipe 13. After the salt solution and the alkaline solution flow into the interior of the ternary material precursor preparation tank 1, the motor 3 is started, and the output shaft of the motor 3 rotates to drive the first bevel gear 4 to rotate, and the rotation of the first bevel gear 4 drives the second bevel gear 6 and the third bevel gear 8 to rotate in opposite directions respectively, and the second bevel gear 6 and the third bevel gear 8 rotate in opposite directions respectively. The rotation drives the first rotating rod 5 and the second rotating rod 7 to rotate, and the rotation of the first rotating rod 5 and the second rotating rod 7 drives the three first diamond-shaped stirring blocks 14 and the three second diamond-shaped stirring blocks 15 to rotate synchronously in opposite directions, so that the mixing is more uniform and rapid, and the rotation of the second rotating rod 7 drives the three connecting plates 16 to rotate, and the rotation of the three connecting plates 16 drives the three arc-shaped scrapers 17 and the three brushes 18 to rotate, and the three arc-shaped scrapers 17 and the three brushes 18 scrape up the sediment on the bottom end of the inner wall of the ternary material precursor preparation tank 1 and the inner lower surface of the ternary material precursor preparation tank 1, thereby further improving the mixing effect of the device.

[0044] Furthermore, the premixing device includes a premixing box 22, which is fixedly installed on the internal upper surface of the ternary material precursor preparation tank 1 at positions corresponding to the salt solution tube 11 and the alkaline solution tube 12. A plurality of diverter plates 23 are evenly and fixedly installed at the vertical middle position of the front and rear surfaces of the interior of the premixing box 22, and a mixing hole 24 is provided at the horizontal middle position of the lower surface of the premixing box 22. When using the device, the two first valves 25 are opened, and the salt solution and the alkaline solution are respectively injected into the interior of the premixing box 22 through the salt solution tube 11 and the alkaline solution tube 12. The salt solution and the alkaline solution flow through the plurality of diverter plates 23, and then fall on the internal lower surface of the premixing box 22 for premixing. After mixing, they flow into the interior of the ternary material precursor preparation tank 1 through the mixing hole 24, and the mixing efficiency of the device is improved by premixing.

[0045] Working principle: when using the device, open the two first valves 25, inject the salt solution and the alkaline solution into the premixing box 22 through the salt solution pipe 11 and the alkaline solution pipe 12 respectively, the salt solution and the alkaline solution flow through a plurality of diverter plates 23, and then fall on the lower surface of the premixing box 22 for premixing, and after mixing, flow through the mixing hole 24 into the inside of the ternary material precursor preparation tank 1, and the mixing efficiency of the device is improved by premixing, after the salt solution and the alkaline solution flow into the inside of the ternary material precursor preparation tank 1, start the motor 3, the output shaft of the motor 3 rotates to drive the first bevel gear 4 to rotate, the first bevel gear 4 rotates to drive the second bevel gear 6 and the third bevel gear 8 to rotate in opposite directions respectively, the second bevel gear 6 and the third bevel gear 8 rotate to drive the first rotating rod 5 and the second rotating rod 7 to rotate, the first rotating rod 5 and the second rotating rod 7 rotate to drive the three first rhombus stirring blocks 14 and the three second rhombus stirring blocks 15 to rotate synchronously in opposite directions, so that the mixing The mixing is more uniform and rapid, and the rotation of the second rotating rod 7 drives the three connecting plates 16 to rotate, and the rotation of the three connecting plates 16 drives the three arc-shaped scrapers 17 and the three brushes 18 to rotate. The three arc-shaped scrapers 17 and the three brushes 18 scrape up the sediment on the bottom end of the inner wall of the ternary material precursor preparation tank 1 and the lower surface of the interior of the ternary material precursor preparation tank 1, further improving the mixing effect of the device. When the temperature sensor 10 detects that the temperature of the mixed liquid is lower than 40°C, the heating coil 19 starts to work to heat the mixed liquid until the temperature reaches between 40°C and 60°C, and the heating wire 19 stops working. When the PH sensor 9 detects that the PH value is greater than 13, the second valve 26 is opened to allow pure water to flow into the ternary material precursor preparation tank 1 through the water inlet pipe 13 until the PH value stabilizes between 10-13, and the second valve 26 is closed. After the reaction is completed, the discharge valve 21 is opened to control the finished product to flow out of the interior of the ternary material precursor preparation tank 1.

[0046] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A ternary material precursor preparation device, comprising a ternary material precursor preparation tank (1), characterized in that: A motor base (2) is fixedly mounted on the left side of the longitudinal middle position of the upper surface of the ternary material precursor preparation tank (1); a motor (3) is fixedly mounted on the upper surface of the motor base (2); and a first bevel gear (4) is fixedly mounted on the output shaft of the motor (3); Wherein, a first rotating rod (5) is plugged and rotatably mounted on the center position of the upper surface of the ternary material precursor preparation tank (1), a second bevel gear (6) is sleeved and fixedly mounted on the top outer surface of the first rotating rod (5), the second bevel gear (6) is meshingly connected with the first bevel gear (4), and a second rotating rod (7) is plugged and rotatably mounted on the center position of the upper surface of the first rotating rod (5), a third bevel gear (8) is sleeved and fixedly mounted on the top outer surface of the second rotating rod (7), the third bevel gear (8) is meshingly connected with the first bevel gear (4), the bottom end of the first rotating rod (5) extends to the vertical middle position inside the ternary material precursor preparation tank (1), and the bottom end of the second rotating rod (7) is rotatably mounted on the center position of the lower surface inside the ternary material precursor preparation tank (1); Wherein, stirring devices are arranged on the outer surfaces of the first rotating rod (5) and the second rotating rod (7); Wherein, a pH sensor (9) and a temperature sensor (10) are fixedly installed at the vertical middle positions on the left and right sides of the interior of the ternary material precursor preparation tank (1); Wherein, a salt solution tube (11) and an alkaline solution tube (12) are plugged and fixedly installed on the front side of the upper surface of the ternary material precursor preparation tank (1), and a premixing device is arranged on the inner upper surface of the ternary material precursor preparation tank (1); Wherein, a water inlet pipe (13) is plugged and fixedly installed on the upper surface of the ternary material precursor preparation tank (1) at a position corresponding to the right side of the salt solution pipe (11) and the alkaline solution pipe (12); Among them, four supporting feet are evenly and fixedly installed on the lower surface of the ternary material precursor preparation tank (1).

2. The device for preparing a ternary material precursor according to claim 1, characterized in that: The stirring device comprises three first rhombus-shaped stirring blocks (14) and three second rhombus-shaped stirring blocks (15). The three first rhombus-shaped stirring blocks (14) are evenly fixedly mounted on the outer surface of the first rotating rod (5) in a ring shape, and the three second rhombus-shaped stirring blocks (15) are evenly fixedly mounted on the outer surface of the second rotating rod (7) in a ring shape.

3. The device for preparing a ternary material precursor according to claim 1, characterized in that: Three connecting plates (16) are evenly fixedly mounted on the outer surface of the bottom end of the second rotating rod (7), and arc-shaped scrapers (17) are fixedly mounted on the ends of the three connecting plates (16) away from the second rotating rod (7). The three arc-shaped scrapers (17) are all in contact with the inner wall of the ternary material precursor preparation tank (1), and brushes (18) are evenly fixedly mounted on the lower surfaces of the three connecting plates (16).

4. The device for preparing a ternary material precursor according to claim 1, characterized in that: A heating coil (19) is fixedly mounted on the bottom end of the inner wall of the ternary material precursor preparation tank (1), and the heating coil (19) is electrically connected to the temperature sensor (10).

5. The device for preparing a ternary material precursor according to claim 1, characterized in that: A discharge elbow (20) is plugged and fixedly installed on the front side of the lower surface of the ternary material precursor preparation tank (1), a discharge valve (21) is arranged on the outer surface of the discharge elbow (20), a first valve (25) is arranged on the outer surfaces of the salt solution pipe (11) and the alkaline solution pipe (12), and a second valve (26) is arranged on the outer surface of the water inlet pipe (13).

6. The device for preparing a ternary material precursor according to claim 1, characterized in that: The premixing device comprises a premixing box (22), the premixing box (22) being fixedly mounted on the internal upper surface of the ternary material precursor preparation tank (1) at positions corresponding to the salt solution pipe (11) and the alkaline solution pipe (12), a plurality of flow dividers (23) being evenly fixedly mounted at the vertical middle positions of the front and rear surfaces of the interior of the premixing box (22), and a mixing hole (24) being provided at the horizontal middle position of the lower surface of the premixing box (22).

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