Reaction kettle for preparing ternary precursor
By designing a combination of motor, rotating shaft, gear and ventilating pipe in the reactor, the rotation of the ventilating pipe inside the kettle body and ventilation at different angles is achieved, which solves the problem of insufficient contact between gas and materials in the existing liquid under-ventilation method, and improves the preparation efficiency of the ternary precursor.
Patent Information
- Application Number
- CN202421773747.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing under-liquid ventilation method causes most of the gas to pass through the under-liquid and quickly reach part of the space on the reactor, resulting in insufficient contact between the material and the gas, increasing the ventilation time, and inconvenient for the preparation of the ternary precursor.
A reactor is designed. Through the combination of the motor, rotating shaft, first gear, second gear and vent pipe, the "L"-shaped structure of the vent pipe and the stirring blade, the rotation of the vent pipe inside the kettle body and ventilation at different angles are realized to ensure that the gas and the material are in full contact.
By performing ventilation at different angles under the liquid, the contact efficiency between gas and material is significantly improved, the ventilation time is reduced, and the preparation effect of the ternary precursor is improved.
Smart Images
Figure CN222789234U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of reaction kettles, in particular to a reaction kettle used for preparing ternary precursors. Background Art
[0002] The ternary precursor refers to a hydroxide co-precipitated compound of nickel-cobalt-aluminum or nickel-cobalt-manganese, and is the main raw material for producing nickel-cobalt-aluminum (nickel-cobalt-manganese) acid ternary positive electrode materials. When preparing the precursor, generally a variety of metal salt solutions are placed in a reactor for stirring reaction, and gas is introduced during the reaction to assist in the preparation of the precursor.
[0003] In order to facilitate the reaction between the metal salt solution and the gas, the method of underwater introduction is generally adopted to introduce the gas into the solution. The existing underwater ventilation method directly extends the air pipe into the liquid for ventilation. Most of the gas will quickly pass through the liquid to reach the upper part of the reactor, resulting in only part of the material in contact with the gas, thereby increasing the ventilation time and being inconvenient for the preparation of the ternary precursor. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a reaction kettle for preparing a ternary precursor.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a reaction kettle for preparing ternary precursors, comprising a kettle body, a top cover is arranged on the top of the kettle body, a motor is fixedly connected to the upper surface of the top cover, a rotating shaft is fixedly connected to the output end of the motor, a first gear is fixedly connected to the outer surface of the rotating shaft, a connecting block is fixedly connected to the inner top of the top cover, a second gear is movably connected to the bottom of the connecting block, the side of the second gear is meshed with the side of the first gear, a ventilation pipe is fixedly connected to the inside of the second gear, the top of the ventilation pipe extends to the outside of the upper cover, and a bend is arranged at the bottom of the ventilation pipe.
[0006] As a further description of the above technical solution:
[0007] The structure of the ventilation pipe is an "L"-shaped structure, and a gas channel is arranged inside the ventilation pipe.
[0008] As a further description of the above technical solution:
[0009] The outer surface of the rotating shaft is fixedly connected with a stirring blade, the stirring blade is located below the first gear, and the stirring blade is located inside the kettle body, and the number of the stirring blade is multiple.
[0010] As a further description of the above technical solution:
[0011] The upper surface of the upper cover is fixedly connected with a connecting sleeve, the top of the ventilation pipe is located inside the connecting sleeve, the inside of the connecting sleeve is movably connected with an air intake pipe, and a control valve is installed on the air intake pipe.
[0012] As a further description of the above technical solution:
[0013] The bottom of the upper cover is fixedly connected with a bottom plate, and the lower surface of the bottom plate is in contact with the top of the kettle body.
[0014] As a further description of the above technical solution:
[0015] The side wall of the kettle body is fixedly connected with a liquid discharge pipe, the side wall of the kettle body is fixedly connected with a liquid inlet pipe, and the side wall of the kettle body is fixedly connected with an exhaust pipe.
[0016] As a further description of the above technical solution:
[0017] A control panel is fixedly connected to the outer surface of the kettle body, and control buttons are arranged on the surface of the control panel.
[0018] The utility model has the following beneficial effects:
[0019] 1. Compared with the prior art, the reactor for preparing a ternary precursor uses a motor, a rotating shaft, a first gear, a second gear, and a vent pipe. When in use, the material to be reacted is added into the reactor body and gas is introduced into the vent pipe. Then, the motor drives the rotating shaft to rotate, and then drives the first gear to rotate, thereby driving the second gear to rotate, so that the vent pipe can rotate inside the reactor body. When the vent pipe rotates, the gas inside the reactor body can fill the space inside the reactor body, which is convenient for the reactor to ventilate the material underwater when preparing the ternary precursor. Compared with the conventional underwater ventilation method, which directly extends the air pipe into the liquid for ventilation, most of the gas will quickly pass through the liquid to reach the upper part of the reactor, resulting in only part of the material being in contact with the gas, thereby increasing the ventilation time and being inconvenient for the preparation of the ternary precursor. The reactor for preparing the ternary precursor can be ventilated at different angles underwater when in use, so that the gas can be fully in contact with the material, which is convenient for the preparation of the ternary precursor.
[0020] 2. Compared with the prior art, the reaction kettle for preparing ternary precursors has a rotating shaft, a stirring blade, a first gear, a second gear, and a vent pipe. When in use, selecting the first gear and the second gear of different diameters can change the rotation speed of the stirring blade and the vent pipe, thereby enabling differential stirring of materials in different areas inside the kettle body, so that the materials can be better mixed, which is convenient for the preparation of the ternary precursor. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1This is a schematic diagram of the overall structure of a reaction kettle for preparing a ternary precursor proposed in the utility model;
[0022] Figure 2 This is a cross-sectional view of the internal structure of a reaction kettle for preparing a ternary precursor proposed in the utility model;
[0023] Figure 3 The utility model provides a reactor for preparing a ternary precursor. Figure 2 A magnified view of the structure at center;
[0024] Figure 4 The utility model provides a reactor for preparing a ternary precursor. Figure 2 Enlarged view of the structure at point B in the middle.
[0025] Legend:
[0026] 1. Kettle body; 2. Upper cover; 3. Motor; 4. Rotating shaft; 5. Stirring blade; 6. First gear; 7. Connecting block; 8. Second gear; 9. Ventilation pipe; 10. Connecting sleeve; 11. Inlet pipe; 12. Control valve; 13. Bottom plate; 14. Drain pipe; 15. Control panel; 16. Inlet pipe; 17. Exhaust pipe. DETAILED DESCRIPTION
[0027] Reference Figure 1-4 The utility model provides a reactor for preparing a ternary precursor: it includes a reactor body 1. When in use, materials are added into the reactor body 1 for reaction. An upper cover 2 is arranged on the top of the reactor body 1. A motor 3 is fixedly connected to the upper surface of the upper cover 2. A rotating shaft 4 is fixedly connected to the output end of the motor 3. A first gear 6 is fixedly connected to the outer surface of the rotating shaft 4. The motor 3 drives the rotating shaft 4 to rotate and then drives the first gear 6 to rotate. A stirring blade 5 is fixedly connected to the outer surface of the rotating shaft 4. The stirring blade 5 is located below the first gear 6 and is located inside the reactor body 1. There are multiple stirring blades 5. The rotating shaft 4 drives the stirring blade 5 to rotate to stir and mix the materials added to the reactor body 1. The inner top of the upper cover 2 is fixedly connected with A connecting block 7, the bottom of which is movably connected with a second gear 8, the side of the second gear 8 is meshed with the side of the first gear 6, and a vent pipe 9 is fixedly connected inside the second gear 8. The rotation of the first gear 6 drives the second gear 8 to rotate, thereby driving the vent pipe 9 to rotate. The top of the vent pipe 9 extends to the outside of the upper cover 2, and the bottom of the vent pipe 9 is provided with a bend. The structure of the vent pipe 9 is an "L"-shaped structure, and a gas channel is provided inside the vent pipe 9. When in use, the gas is introduced from the top of the vent pipe 9. When the vent pipe 9 rotates, the gas can fully contact with the material inside the kettle body 1, which is convenient for the preparation of the ternary precursor, and the vent pipe 9 can cooperate with the stirring blade 5 to better mix the materials when rotating.
[0028] A connecting sleeve 10 is fixedly connected to the upper surface of the upper cover 2, and the top of the vent pipe 9 is located inside the connecting sleeve 10. The vent pipe 9 can rotate inside the connecting sleeve 10. An air inlet pipe 11 is movably connected inside the connecting sleeve 10. The gas enters the connecting sleeve 10 from the air inlet pipe 11, then enters the vent pipe 9, and finally reaches the kettle body 1. A control valve 12 is installed on the air inlet pipe 11, and the gas flow in the air inlet pipe 11 is controlled by the control valve 12.
[0029] A bottom plate 13 is fixedly connected to the bottom of the upper cover 2, and the lower surface of the bottom plate 13 is in contact with the top of the kettle body 1. The bottom plate 13 seals the bottom of the upper cover 2. A control panel 15 is fixedly connected to the outer surface of the kettle body 1. A control button is arranged on the surface of the control panel 15. The control panel 15 controls the start and stop of the motor 3. A drain pipe 14 is fixedly connected to the side wall of the kettle body 1, and the liquid inside the kettle body 1 can be discharged through the drain pipe 14. A liquid inlet pipe 16 is fixedly connected to the side wall of the kettle body 1. There are multiple liquid inlet pipes 16. Metal salt solution and precipitant are added to the inside of the kettle body 1 from different liquid inlet pipes 16 for reaction. An exhaust pipe 17 is fixedly connected to the side wall of the kettle body 1. Excess gas inside the kettle body 1 will be discharged from the exhaust pipe 17 to avoid excessive internal air pressure of the kettle body 1. Valve bodies are arranged on the drain pipe 14, the liquid inlet pipe 16 and the exhaust pipe 17.
[0030] Working principle: When in use, the material to be reacted is added into the kettle body 1 and then gas is introduced into the vent pipe 9. Then the motor 3 works to drive the rotating shaft 4 to rotate, and then drives the first gear 6 to rotate, thereby driving the second gear 8 to rotate, so that the vent pipe 9 can rotate inside the kettle body 1. When the vent pipe 9 rotates, the gas can fully contact with the material inside the kettle body 1, which is convenient for the reactor to ventilate the material underwater when preparing the ternary precursor. The reactor used for the preparation of the ternary precursor can be ventilated at different angles underwater when in use, so that the gas can fully contact with the material, which is convenient for the preparation of the ternary precursor.
[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A reaction kettle for preparing a ternary precursor, comprising a kettle body (1), characterized in that: The top of the kettle body (1) is provided with an upper cover (2), the upper surface of the upper cover (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a rotating shaft (4), the outer surface of the rotating shaft (4) is fixedly connected to a first gear (6), the inner top of the upper cover (2) is fixedly connected to a connecting block (7), the bottom of the connecting block (7) is movably connected to a second gear (8), the side of the second gear (8) is meshingly connected to the side of the first gear (6), the inside of the second gear (8) is fixedly connected to a ventilation pipe (9), the top end of the ventilation pipe (9) extends to the outside of the upper cover (2), and the bottom of the ventilation pipe (9) is provided with a bend.
2. A reaction kettle for preparing a ternary precursor according to claim 1, characterized in that: The structure of the ventilation pipe (9) is an "L"-shaped structure, and a gas passage is arranged inside the ventilation pipe (9).
3. The reactor for preparing a ternary precursor according to claim 1, characterized in that: The outer surface of the rotating shaft (4) is fixedly connected with a stirring blade (5), the stirring blade (5) is located below the first gear (6), and the stirring blade (5) is located inside the kettle body (1), and the number of the stirring blade (5) is multiple.
4. The reactor for preparing a ternary precursor according to claim 1, characterized in that: The upper surface of the upper cover (2) is fixedly connected to a connecting sleeve (10), the top of the ventilation pipe (9) is located inside the connecting sleeve (10), the interior of the connecting sleeve (10) is movably connected to an air intake pipe (11), and a control valve (12) is installed on the air intake pipe (11).
5. The reaction kettle for preparing a ternary precursor according to claim 1, characterized in that: The bottom of the upper cover (2) is fixedly connected to a bottom plate (13), and the lower surface of the bottom plate (13) is in contact with the top of the kettle body (1).
6. The reactor for preparing a ternary precursor according to claim 1, characterized in that: The side wall of the kettle body (1) is fixedly connected with a liquid discharge pipe (14), the side wall of the kettle body (1) is fixedly connected with a liquid inlet pipe (16), and the side wall of the kettle body (1) is fixedly connected with an exhaust pipe (17).
7. The reaction kettle for preparing a ternary precursor according to claim 1, characterized in that: A control panel (15) is fixedly connected to the outer surface of the kettle body (1), and control buttons are arranged on the surface of the control panel (15).