Aging kettle for ternary material precursor production

Abstract

The utility model discloses an aging kettle for producing a ternary material precursor. The aging kettle comprises a kettle body, a heating assembly arranged on the circumferential surface of the kettle body, a power mechanism arranged at the upper end of the kettle body, a feeding pipe fixedly connected to the circumferential surface of the upper end of the kettle body, a discharging pipe fixedly connected to the lower end of the kettle body, and a stirring mechanism and a cleaning mechanism arranged inside the kettle body. By arranging the cleaning mechanism, when the stirring mechanism works, the spray head of the cleaning mechanism can be driven to do circular motion, so that the inner wall of the kettle body can be cleaned by one circle, the cleaning efficiency is improved, and meanwhile, high-pressure water sprayed from the spray head can better wash the inner wall of the kettle body; therefore, water resources can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of aging kettles, in particular to an aging kettle for the production of ternary material precursors. Background Art

[0002] The ternary materials of lithium batteries generally use nickel, cobalt, and manganese tri-element hydroxides as precursors and are calcined with lithium. Among them, the ratio of nickel, cobalt, and manganese can be adjusted according to actual needs. Generally, the ternary precursor slurry is synthesized by the co-precipitation method in a reaction kettle, and then the slurry flowing out of the reaction kettle is sent to an aging kettle for aging treatment.

[0003] When applying for the present invention, the applicant searched and found that a Chinese patent disclosed an "aging kettle for the production of ternary material precursors" with an application number of "201220016646.5". The patent includes a kettle body, and a motor is provided at the top of the kettle body. It is characterized in that a stirring shaft is provided inside the kettle body, the top end of the stirring shaft is connected to the motor, and a stirring paddle is installed at the bottom end; a slurry overflow inlet is provided at the side end of the top of the kettle body, and a discharge port is provided at the bottom. The aging kettle for the production of ternary material precursors of the present utility model ages the ternary material precursor liquid overflowing from the reaction kettle for 10 to 24 hours under the condition of maintaining the reaction temperature and slightly stirring. The trace free Ni, Co, and Mn metal ions remaining in the mother liquor continue to react and grow on the surface of the ternary precursor pellets, reducing resource waste, stabilizing the product structure, and improving the performance of the precursor.

[0004] Although the above patent can make the aging effect better, it is more troublesome to clean the kettle body, which not only affects the cleaning efficiency but also wastes water resources. Therefore, it is necessary to design an aging kettle for the production of ternary material precursors. Content of the Utility Model

[0005] The purpose of the present utility model is to solve the deficiencies existing in the prior art, and to provide an aging kettle for the production of ternary material precursors.

[0006] To achieve the above purpose, the present utility model adopts the following technical solution: an aging kettle for the production of ternary material precursors, including a kettle body, a heating component is arranged on the circumferential surface of the kettle body, a power mechanism is arranged at the upper end of the kettle body, a feed pipe is fixedly connected to the circumferential surface at the upper end of the kettle body, a discharge pipe is fixedly connected to the lower end of the kettle body, and a stirring mechanism and a cleaning mechanism are arranged inside the kettle body.

[0007] As a further description of the above technical solution:

[0008] The stirring mechanism includes a stirring shaft and stirring blades. The stirring shaft is rotatably connected inside the kettle body. The inside of the stirring shaft is hollow, and the stirring blades are fixedly connected to the circumferential surface of the stirring shaft.

[0009] As a further description of the above technical solution:

[0010] The power mechanism includes a motor, a first bevel gear and a second bevel gear. A motor is fixedly connected to the upper end of the kettle body. The output end of the motor is fixedly connected to the first bevel gear. The first bevel gear meshes with the second bevel gear, and the second bevel gear is fixedly connected to the stirring shaft.

[0011] As a further description of the above technical solution:

[0012] The cleaning mechanism includes a connecting pipe, a connecting head, a shunt pipe and a spray head. The upper end of the stirring shaft is rotatably connected to the connecting head, and the upper end of the connecting head is fixedly connected to the connecting pipe; the circumferential surface of the stirring shaft is fixedly connected to the shunt pipe, the shunt pipe is communicated with the stirring shaft, and the circumferential surface of the shunt pipe is fixedly connected to the spray head.

[0013] As a further description of the above technical solution:

[0014] The heating component includes a heat preservation shell, a water inlet and a water outlet. The circumferential surface of the kettle body is fixedly connected to the heat preservation shell, and the circumferential surface of the heat preservation shell is fixedly connected to the water inlet and the water outlet. The water inlet is located above the water outlet.

[0015] As a further description of the above technical solution:

[0016] The lower end of the kettle body is fixedly connected with support legs. There are four support legs, and they are distributed in a circumferential array.

[0017] The utility model has the following beneficial effects:

[0018] Compared with the prior art, for the aging kettle for the production of ternary material precursors, by setting the cleaning mechanism, when the stirring mechanism works, the spray head of the cleaning mechanism can be driven to perform a circular motion, so that the inner wall of the kettle can be cleaned in a circle, thereby improving the cleaning efficiency. At the same time, the high-pressure water sprayed from the spray head can better wash the inner wall of the kettle, so that water resources can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the overall first perspective of an aging kettle for the production of ternary material precursors proposed by the utility model;

[0020] Figure 2 is a schematic structural diagram of the overall second perspective of an aging kettle for the production of ternary material precursors proposed by the utility model;

[0021] Figure 3 is an aging kettle for the production of ternary material precursors proposed by the utility modelFigure 2 Enlarged view of part A

[0022] Figure 4 The figure is a schematic diagram of the internal structure of an aging kettle for the production of ternary material precursors proposed by the present utility model.

[0023] Legend description:

[0024] 1. Kettle body; 2. Heating component; 201. Heat preservation shell; 202. Water inlet; 203. Water outlet; 3. Power mechanism; 301. Motor; 302. First bevel gear; 303. Second bevel gear; 4. Stirring mechanism; 401. Stirring shaft; 402. Stirring blades; 5. Cleaning mechanism; 501. Connecting pipe; 502. Connector; 503. Shunt pipe; 504. Sprayer; 6. Feed pipe; 7. Discharge pipe; 8. Support leg. Specific implementation mode

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Refer to Figures 1-4 As shown in the figure, an aging kettle for the production of ternary material precursors provided by the present utility model includes a kettle body 1, a heating component 2 is arranged on the circumferential surface of the kettle body 1, a power mechanism 3 is arranged at the upper end of the kettle body 1, a feed pipe 6 is fixedly connected to the circumferential surface at the upper end of the kettle body 1, a discharge pipe 7 is fixedly connected to the lower end of the kettle body 1, and a stirring mechanism 4 and a cleaning mechanism 5 are arranged inside the kettle body 1.

[0027] Specifically, the ternary material precursor liquid discharged from the reaction kettle enters the inside of the kettle body 1 through the feed pipe 6, and then the heating component 2 heats the kettle body 1 to make the temperature of the kettle body 1 consistent with the temperature of the reaction kettle. Then, the power mechanism 3 works to provide power for the stirring mechanism 4. Under the action of the stirring mechanism 4, the ternary material precursor liquid is slightly stirred, so that it undergoes aging for 10 to 24 hours while maintaining the reaction temperature and slight stirring. The residual trace free Ni, Co, and Mn metal ions in the mother liquor continue to react and grow on the surface of the ternary precursor pellets, thus achieving the purpose of aging. When it is necessary to clean the kettle body 1, the cleaning mechanism 5 can be used to clean the inner wall of the kettle body 1, which is beneficial for the next aging operation.

[0028] The stirring mechanism 4 includes a stirring shaft 401 and stirring blades 402. The stirring shaft 401 is rotatably connected inside the kettle body 1. The inside of the stirring shaft 401 is hollow. The circumferential surface of the stirring shaft 401 is fixedly connected with the stirring blades 402. During operation, the rotation of the stirring shaft 401 drives the rotation of the stirring blades 402, and under the action of the stirring blades 402, the ternary material precursor liquid can be stirred.

[0029] The power mechanism 3 includes a motor 301, a first bevel gear 302 and a second bevel gear 303. The motor 301 is fixedly connected to the upper end of the kettle body 1. The output end of the motor 301 is fixedly connected with the first bevel gear 302. The first bevel gear 302 meshes with the second bevel gear 303. The second bevel gear 303 is fixedly connected with the stirring shaft 401. During operation, when the motor 301 works, the cooperation of the first bevel gear 302 and the second bevel gear 303 can drive the rotation of the stirring shaft 401, thereby providing power for the stirring mechanism 4.

[0030] The cleaning mechanism 5 includes a connecting pipe 501, a connecting head 502, a shunt pipe 503 and a spray head 504. The upper end of the stirring shaft 401 is rotatably connected with the connecting head 502, and the upper end of the connecting head 502 is fixedly connected with the connecting pipe 501; the circumferential surface of the stirring shaft 401 is fixedly connected with the shunt pipe 503, and the shunt pipe 503 is communicated with the stirring shaft 401. The circumferential surface of the shunt pipe 503 is fixedly connected with the spray head 504. During operation, the connecting pipe 501 is externally connected to a water source, so that water enters the inside of the stirring shaft 401 through the connecting pipe 501 and the connecting head 502, then enters the inside of the shunt pipe 503, and finally sprays out from the spray head 504; then the rotating shaft rotates, and at this time, it can drive the spray head 504 to perform a circular motion, so that the inner wall of the kettle body 1 can be cleaned in a circle, thereby improving the cleaning efficiency. At the same time, the high-pressure water sprayed from the spray head 504 can better wash the inner wall of the kettle body 1, so that water resources can be saved.

[0031] The heating component 2 includes a heat preservation housing 201, a water inlet 202 and a water outlet 203. The heat preservation housing 201 is fixedly connected to the circumferential surface of the kettle body 1. The water inlet 202 and the water outlet 203 are fixedly connected to the circumferential surface of the heat preservation housing 201. The water inlet 202 is located above the water outlet 203. During operation, the circulating hot water enters from the water inlet 202 and is discharged from the water outlet 203 through the heat preservation housing 201, so that the kettle body 1 can be heated, which is beneficial to making the temperature of the aging kettle body 1 system consistent with the temperature of the reaction kettle.

[0032] The lower end of the kettle body 1 is fixedly connected with support legs 8. There are four support legs 8, and they are arranged in a circumferential array. During operation, by setting the support legs 8, the lower end of the kettle body 1 can be supported under the action of the support legs 8, which is beneficial to the operation of the kettle body 1.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An aging kettle for the production of ternary material precursors, comprising a kettle body (1), characterized in that: A heating component (2) is provided on the circumferential surface of the kettle body (1). A power mechanism (3) is provided at the upper end of the kettle body (1). A feed pipe (6) is fixedly connected to the circumferential surface at the upper end of the kettle body (1). A discharge pipe (7) is fixedly connected to the lower end of the kettle body (1). A stirring mechanism (4) and a cleaning mechanism (5) are provided inside the kettle body (1). The stirring mechanism (4) includes a stirring shaft (401) and stirring blades (402). The stirring shaft (401) is rotatably connected inside the kettle body (1). The inside of the stirring shaft (401) is hollow. Stirring blades (402) are fixedly connected to the circumferential surface of the stirring shaft (401). The power mechanism (3) includes a motor (301), a first bevel gear (302) and a second bevel gear (303). The motor (301) is fixedly connected to the upper end of the kettle body (1). The output end of the motor (301) is fixedly connected to the first bevel gear (302). The first bevel gear (302) meshes with the second bevel gear (303). The second bevel gear (303) is fixedly connected to the stirring shaft (401). The cleaning mechanism (5) includes a connecting pipe (501), a connecting head (502), a shunt pipe (503) and a spray head (504). The connecting head (502) is rotatably connected to the upper end of the stirring shaft (401). The connecting pipe (501) is fixedly connected to the upper end of the connecting head (502). The shunt pipe (503) is fixedly connected to the circumferential surface of the stirring shaft (401). The shunt pipe (503) is communicated with the stirring shaft (401). Spray heads (504) are fixedly connected to the circumferential surface of the shunt pipe (503). The heating component (2) includes a heat preservation housing (201), a water inlet (202) and a water outlet (203). The heat preservation housing (201) is fixedly connected to the circumferential surface of the kettle body (1). The water inlet (202) and the water outlet (203) are fixedly connected to the circumferential surface of the heat preservation housing (201). The water inlet (202) is located above the water outlet (203).

2. The aging kettle for the production of ternary material precursors according to claim 1, characterized in that: Four support legs (8) are fixedly connected to the lower end of the kettle body (1), and are distributed in a circumferential array.

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