Drying oven for producing lithium battery positive electrode slurry dispersing agent

Abstract

The utility model discloses a lithium battery anode slurry dispersing agent production drying oven which comprises a drying conveying pipe and a drying heating machine body, the drying heating machine body is installed and connected to the rear end of a layered drying box body, and the drying conveying pipe is arranged at the lower end of the drying heating machine body and located on the layered drying box body. By arranging the layered drying box body structure, the drying box body can be divided into two layers for drying treatment, the treatment box body can receive hot air input by a drying conveying pipe through a drying pipe connecting block, and then the hot air can be conveyed into the drying pipe connecting block and a drying vertical plate through the drying pipe connecting block; in this way, materials between the upper drying cavity and the lower drying cavity can be dried, a discharging electromagnetic valve on a bottom drying plate can discharge the materials about to be dried in the upper drying cavity into the lower drying cavity for final drying, and the upper drying cavity can receive the materials again for drying; and operation does not need to be stopped during drying and discharging, and the drying efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery positive electrode slurry production, in particular to a lithium battery positive electrode slurry dispersant production oven. Background Art

[0002] The lithium battery industry mostly uses oily slurry, which is a mixture formed by stirring, kneading and dispersing active substances, binders, conductive agents, solvents, etc. in a certain ratio and sequence. The main function of the dispersant in the positive electrode slurry is to dissolve the binder and provide a good carrier for the active substance to disperse it more evenly. In the coating stage, the dispersant is required to have good wettability and fluidity on the metal substrate, and good volatility during baking. During baking, a lithium battery positive electrode slurry dispersant production oven is needed.

[0003] The existing Chinese patent CN218821413U disclosed a dispersant production oven on April 7, 2023, including an oven body, a cavity is provided in the oven body and a partition is installed in the cavity, the partition divides the cavity into a first drying chamber and a second drying chamber, a through hole is provided in the partition and a turntable is connected in the through hole, a plurality of discharge ports arranged along the axis are provided on the turntable, a stirring member for stirring the materials in the first drying chamber and the second drying chamber is installed on the turntable, a hot air member connected to the first drying chamber and the second drying chamber is installed on the oven body, and a material guide member for transporting the material in the second drying chamber to the first drying chamber is also installed on the oven body.

[0004] However, when the above device is performing a drying process, the interior cannot be effectively divided into two layers for drying, so that the overall drying process is not very efficient. Utility Model Content

[0005] The purpose of the utility model is to provide a lithium battery positive electrode slurry dispersant production oven to solve the problem proposed in the above background technology that the above device cannot be effectively divided into two layers for drying treatment during the drying treatment, so that the overall drying treatment is not very efficient during the treatment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery positive electrode slurry dispersant production oven, comprising a drying conveying pipe and a drying heating body, the drying heating body being installed and connected to the rear end of a stratified drying box, the lower end of the drying heating body being located on the stratified drying box and provided with a drying conveying pipe, the lower end of the stratified drying box being provided with an electromagnetic valve discharge pipe, the outer side of the electromagnetic valve discharge pipe being located on the stratified drying box and provided with a drying stirring mechanism, the outer side of the drying stirring mechanism being located on the stratified drying box and provided with a bottom supporting column foot, the right end of the stratified drying box being provided with an electric telescopic cylinder, and the upper end of the electric telescopic cylinder being provided with a top cover.

[0007] Among them, the top cover includes an outer convex plate, a middle hollow disk and a sealing cover plate, the right end of the sealing cover plate is provided with an outer convex plate, the middle of the inner side of the sealing cover plate is provided with a middle hollow disk, and the outer convex plate is connected to the electric telescopic cylinder.

[0008] Wherein, the layered drying box includes a drying pipe connecting block, a discharge solenoid valve, a bottom drying plate, a processing box, an upper drying chamber, a drying vertical plate and a lower drying chamber; the processing box is provided with a bottom drying plate inside, a drying pipe connecting block is provided at the lower end of the bottom drying plate, a drying vertical plate is provided at the upper end of the bottom drying plate, a lower drying chamber is provided below the bottom drying plate and the processing box, an upper drying chamber is provided above the bottom drying plate and the processing box, and the processing box is connected to the bottom supporting column foot.

[0009] Among them, the drying and stirring mechanism includes a rotating motor, a first coupling, a bottom stirring rod, a second coupling and an upper stirring rod. The output end of the rotating motor is provided with a first coupling, the upper end of the first coupling is provided with a bottom stirring rod, the upper end of the bottom stirring rod is provided with a second coupling, and the upper end of the second coupling is provided with an upper stirring rod. The rotating motor is connected to the bottom end of the stratified drying box, and the bottom stirring rod and the upper stirring rod are sleeved inside the stratified drying box.

[0010] There are two drying and stirring mechanisms in total, and the drying and stirring mechanisms are symmetrically arranged on the layered drying box.

[0011] Wherein, the layered drying box and the drying conveying pipe are fixedly connected by welding, and the connection is through.

[0012] Wherein, the drying and heating body includes a heating element body and a conveying fan.

[0013] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a layered drying box structure is provided so that the drying process can be divided into two layers. The lower end of the processing box of the layered drying box is welded and connected to the bottom supporting column foot, so that it can be stably placed through the bottom supporting column foot. The processing box can receive the hot air input by the drying conveying pipe through the drying pipe connecting block, and then the hot air can be transported to the drying pipe connecting block and the drying vertical plate through the drying pipe connecting block, so that the material between the upper drying chamber and the lower drying chamber can be dried. The discharge solenoid valve on the bottom drying plate can discharge the material that is about to be dried in the upper drying chamber into the lower drying chamber for final drying, and the upper drying chamber can receive the material again for drying. In this way, there is no need to stop the operation during drying and discharge, thereby effectively ensuring the drying efficiency.

[0015] 2. In the utility model, a drying and stirring mechanism structure is provided, so that corresponding stirring and drying can be performed. The rotating motor of the drying and stirring mechanism is connected to the bottom end of the layered drying box by screws, so that the rotating motor is easy to install and place. When the output end of the rotating motor rotates, it can drive the first coupling, the bottom stirring rod, the second coupling and the upper stirring rod to rotate. The bottom stirring rod and the upper stirring rod are respectively sleeved in the lower drying chamber and the upper drying chamber inside the layered drying box, so that the bottom stirring rod and the upper stirring rod can stir accordingly, thereby improving the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a lithium battery positive electrode slurry dispersant production oven of the utility model;

[0017] Figure 2 This is a schematic diagram of the top cover structure of a lithium battery positive electrode slurry dispersant production oven of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a layered drying box of a lithium battery positive electrode slurry dispersant production oven of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the drying and stirring mechanism structure of a lithium battery positive electrode slurry dispersant production oven.

[0020] In the figure: 1. Top cover; 11. Outer convex plate; 12. Middle hollow plate; 13. Sealing cover plate; 2. Electric telescopic cylinder; 3. Layered drying box; 31. Drying pipe connecting block; 32. Discharge solenoid valve; 33. Bottom drying plate; 34. Processing box; 35. Upper drying chamber; 36. Drying vertical plate; 37. Lower drying chamber; 4. Bottom supporting column foot; 5. Solenoid valve discharge pipe; 6. Drying stirring mechanism; 61. Rotating motor; 62. First coupling; 63. Bottom stirring rod; 64. Second coupling; 65. Upper stirring rod; 7. Drying conveying pipe; 8. Drying heating body. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0022] Embodiment 1

[0023] Reference Figure 1 and Figure 2A lithium battery positive electrode slurry dispersant production oven, comprising a drying conveying pipe 7 and a drying heating body 8, the drying heating body 8 is installed and connected to the rear end of the layered drying box 3, the lower end of the drying heating body 8 is located on the layered drying box 3 and is provided with a drying conveying pipe 7, the lower end of the layered drying box 3 is provided with an electromagnetic valve discharge pipe 5, the outer side of the electromagnetic valve discharge pipe 5 is located on the layered drying box 3 and is provided with a drying stirring mechanism 6, the outer side of the drying stirring mechanism 6 is located on the layered drying box 3 and is provided with a bottom supporting column foot 4, the right end of the layered drying box 3 is provided with an electric telescopic cylinder 2, and the upper end of the electric telescopic cylinder 2 is provided with a top cover 1. When in use, the layered drying The box 3 can be supported and placed due to the bottom support column foot 4 at the lower end. When drying the lithium battery positive electrode slurry dispersant, the personnel place the lithium battery positive electrode slurry dispersant material into the layered drying box 3, and then the layered drying box 3 receives the drying hot air input by the drying heating body 8 through the drying conveying pipe 7 for drying. During the drying process, it can be effectively stirred by the drying stirring mechanism 6, so as to facilitate the drying process. The inside of the layered drying box 3 is divided into two layers, so that the first layer is discharged into the second layer for drying after a period of time, and the first layer receives the undried material from the outside, so as to avoid the heat loss caused by stopping the drying, reduce the waste of resources, and effectively improve the drying efficiency.

[0024] In the utility model, the top cover 1 includes an outer convex plate 11, a middle hollow disk 12 and a sealing cover plate 13. The outer convex plate 11 is arranged at the right end of the sealing cover plate 13, and the middle hollow disk 12 is arranged in the middle of the inner side of the sealing cover plate 13. The outer convex plate 11 is connected to the electric telescopic cylinder 2. The outer convex plate 11 of the top cover 1 is connected to the telescopic rod of the electric telescopic cylinder 2 by screws. When the telescopic rod of the electric telescopic cylinder 2 is extended or retracted, the electric telescopic cylinder 2 can change the height position of the outer convex plate 11, and the outer convex plate 11 can drive the middle hollow disk 12 and the sealing cover plate 13 to change their height positions. When the sealing cover plate 13 is closed at the upper end of the layered drying box 3, the hot air inside the layered drying box 3 passes through the through hole of the middle hollow disk 12, so that it can be effectively discharged.

[0025] In the present invention, two drying and stirring mechanisms 6 are provided, and the drying and stirring mechanisms 6 are symmetrically arranged on the layered drying box 3, so that stirring can be performed during drying to increase the drying efficiency.

[0026] In the utility model, the layered drying box body 3 and the drying conveying pipe 7 are fixedly connected by welding, and the connection is through-connected, so that it is easy to install and fix, and it is easy to convey hot air through.

[0027] In the present invention, the drying and heating body 8 comprises a heating element body and a conveying fan, so that the heat generated by the heating element body when it is powered on can be conveyed through the conveying fan.

[0028] Working principle: When in use, the layered drying box 3 can be supported and placed due to the bottom support column foot 4 at the lower end. When drying the lithium battery positive electrode slurry dispersant, the personnel place the lithium battery positive electrode slurry dispersant material into the layered drying box 3, and then the layered drying box 3 receives the drying hot air input by the drying heating body 8 through the drying conveying pipe 7 for drying. During the drying process, it can be effectively stirred by the drying stirring mechanism 6, so as to facilitate the drying process. The inside of the layered drying box 3 is divided into two layers, so that the first layer is discharged into the second layer for drying after a period of drying, and the first layer receives undried materials from the outside, so as to avoid heat loss caused by stopping drying, reduce resource waste, and effectively improve drying efficiency. The material at the bottom of the layered drying box 3 can be discharged through the solenoid valve discharge pipe 5.

[0029] Embodiment 2

[0030] Reference Figure 1 and Figure 3 , a lithium battery positive electrode slurry dispersant production oven, compared with the first embodiment, the layered drying box 3 in this embodiment includes a drying pipe connecting block 31, a discharge solenoid valve 32, a bottom drying plate 33, a processing box 34, an upper drying chamber 35, a drying vertical plate 36 and a lower drying chamber 37, the processing box 34 is provided with a bottom drying plate 33 inside, the lower end of the bottom drying plate 33 is provided with a drying pipe connecting block 31, the upper end of the bottom drying plate 33 is provided with a drying vertical plate 36, the lower drying chamber 37 is provided below the bottom drying plate 33 and the processing box 34, the upper drying chamber 35 is provided above the bottom drying plate 33 and the processing box 34, and the processing box 34 is connected to the bottom support column foot 4.

[0031] Working principle: the lower end of the processing box 34 of the layered drying box 3 is welded and connected to the bottom supporting column foot 4, so that it can be stably placed through the bottom supporting column foot 4, and the processing box 34 can receive the hot air input by the drying conveying pipe 7 through the drying pipe connecting block 31, and then the hot air can be transported to the drying pipe connecting block 31 and the drying vertical plate 36 through the drying pipe connecting block 31, so that the material between the upper drying chamber 35 and the lower drying chamber 37 can be dried, and the discharge solenoid valve 32 on the bottom drying plate 33 can discharge the material that is about to be dried in the upper drying chamber 35 into the lower drying chamber 37 for final drying, and the upper drying chamber 35 can receive the material again for drying, so that there is no need to stop the operation during drying and discharge, effectively ensuring the drying efficiency.

[0032] Embodiment 3

[0033] Reference Figure 1 , Figure 3 and Figure 4, a lithium battery positive electrode slurry dispersant production oven, compared with the second embodiment, the drying and stirring mechanism 6 of this embodiment includes a rotating motor 61, a first coupling 62, a bottom stirring rod 63, a second coupling 64 and an upper stirring rod 65, the output end of the rotating motor 61 is provided with the first coupling 62, the upper end of the first coupling 62 is provided with the bottom stirring rod 63, the upper end of the bottom stirring rod 63 is provided with the second coupling 64, the upper end of the second coupling 64 is provided with the upper stirring rod 65, the rotating motor 61 is connected to the bottom end of the layered drying box 3, the bottom stirring rod 63 and the upper stirring rod 65 are sleeved inside the layered drying box 3.

[0034] Working principle: The rotating motor 61 of the drying and stirring mechanism 6 is connected to the bottom end of the layered drying box 3 by screws, so that the rotating motor 61 is easy to install and place. When the output end of the rotating motor 61 rotates, it can drive the first coupling 62, the bottom stirring rod 63, the second coupling 64 and the upper stirring rod 65 to rotate. The bottom stirring rod 63 and the upper stirring rod 65 are respectively sleeved in the lower drying chamber 37 and the upper drying chamber 35 inside the layered drying box 3, so that the bottom stirring rod 63 and the upper stirring rod 65 can stir accordingly, thereby improving the drying efficiency.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A lithium battery positive electrode slurry dispersant production oven, comprising a drying and conveying pipe (7) and a drying and heating body (8), characterized in that: The drying and heating body (8) is installed and connected to the rear end of the stratified drying box (3); the lower end of the drying and heating body (8) is located on the stratified drying box (3) and is provided with a drying conveying pipe (7); the lower end of the stratified drying box (3) is provided with a solenoid valve discharge pipe (5); the outer side of the solenoid valve discharge pipe (5) is located on the stratified drying box (3) and is provided with a drying stirring mechanism (6); the outer side of the drying stirring mechanism (6) is located on the stratified drying box (3) and is provided with a bottom supporting column foot (4); the right end of the stratified drying box (3) is provided with an electric telescopic cylinder (2); the upper end of the electric telescopic cylinder (2) is provided with a top cover (1).

2. A lithium battery positive electrode slurry dispersant production oven according to claim 1, characterized in that: The top cover (1) comprises an outer convex plate (11), a middle hollow plate (12) and a sealing cover plate (13); the outer convex plate (11) is arranged at the right end of the sealing cover plate (13); the middle hollow plate (12) is arranged in the middle of the inner side of the sealing cover plate (13); and the outer convex plate (11) is connected to the electric telescopic cylinder (2).

3. The lithium battery positive electrode slurry dispersant production oven according to claim 1, characterized in that: The layered drying box (3) comprises a drying pipe connecting block (31), a discharge solenoid valve (32), a bottom drying plate (33), a processing box (34), an upper drying chamber (35), a drying vertical plate (36) and a lower drying chamber (37); the processing box (34) is provided with a bottom drying plate (33) inside; the lower end of the bottom drying plate (33) is provided with a drying pipe connecting block (31); the upper end of the bottom drying plate (33) is provided with a drying vertical plate (36); the lower drying chamber (37) is provided below the bottom drying plate (33) and the processing box (34); the upper drying chamber (35) is provided above the bottom drying plate (33) and the processing box (34); and the processing box (34) is connected to the bottom support column foot (4).

4. The lithium battery positive electrode slurry dispersant production oven according to claim 1, characterized in that: The drying and stirring mechanism (6) comprises a rotating motor (61), a first coupling (62), a bottom stirring rod (63), a second coupling (64) and an upper stirring rod (65); the output end of the rotating motor (61) is provided with the first coupling (62); the upper end of the first coupling (62) is provided with the bottom stirring rod (63); the upper end of the bottom stirring rod (63) is provided with the second coupling (64); the upper end of the second coupling (64) is provided with the upper stirring rod (65); the rotating motor (61) is connected to the bottom end of the stratified drying box (3); the bottom stirring rod (63) and the upper stirring rod (65) are sleeved inside the stratified drying box (3).

5. The lithium battery positive electrode slurry dispersant production oven according to claim 1, characterized in that: There are two drying and stirring mechanisms (6) in total, and the drying and stirring mechanisms (6) are symmetrically arranged on the layered drying box (3).

6. The lithium battery positive electrode slurry dispersant production oven according to claim 1, characterized in that: The layered drying box (3) and the drying conveying pipe (7) are fixedly connected by welding, and the connection is connected.

7. The lithium battery positive electrode slurry dispersant production oven according to claim 1, characterized in that: The drying and heating body (8) comprises a heating element body and a conveying fan.

Images