Drying device for battery electrode raw materials

Abstract

The utility model provides a battery electrode raw material drying device which comprises a horizontal drying groove, a supporting base and a conveying belt are arranged in the horizontal drying groove, a sealing box is fixedly connected to the top end of the horizontal drying groove, and a suction fan and an electric heating rod are fixedly connected to the interior of the sealing box. Multiple sets of air outlet pipes are fixedly connected to the front end and the rear end of the sealing box, the other ends of the air outlet pipes are connected with the front end and the rear end of an air feeding pipe, the air feeding pipe is longitudinally arranged in the conveying belt, air feeding holes are formed in the upper side of the air feeding pipe, and air inlet holes are formed in the inner top end of the horizontal drying groove. The conveying belt is used for conveying battery anode and cathode materials, the horizontal drying groove is used for drying the anode and cathode materials, frequent taking and placing of the anode and cathode materials are not needed, working steps are reduced, the workload of workers is reduced, and hot air flows from bottom to top, so that the working efficiency is improved. The upper and lower surfaces of the anode and cathode materials are dried, and the drying efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a drying device for battery electrode raw materials. Background Art

[0002] The types of raw materials used in battery production depend on the type and specifications of the battery. Taking lithium batteries as an example, their main materials include positive electrode materials, negative electrode materials, separators and electrolytes. Among the positive electrode materials of lithium batteries, the most commonly used are lithium cobalt oxide, lithium manganese oxide, lithium iron phosphate and ternary materials (polymers of nickel, cobalt and manganese). The performance of these positive electrode materials directly affects the various performance indicators of lithium batteries, and their costs also directly determine the cost of the battery; negative electrode materials are also an important component of lithium batteries, and graphite is currently commonly used.

[0003] In the prior art, before processing the positive and negative electrode materials of the battery, it is generally necessary to clean and dry the positive and negative electrode materials of the battery. When drying, an oven drying method is mostly adopted, that is, the positive and negative electrode materials of the battery are placed in a tray, then sent into an oven for drying, and then taken out of the oven. It is necessary to take and put the positive and negative electrode materials of the battery back and forth, and the operation steps are many and the efficiency is low. Utility Model Content

[0004] The utility model aims to provide a drying device for battery electrode raw materials to overcome the above problems or at least partially solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is specifically implemented as follows:

[0006] The utility model provides a drying device for battery electrode raw materials, comprising a horizontal drying tank, wherein a support seat and a conveyor belt are arranged inside the horizontal drying tank, and the conveyor belt is installed on the support seat, a sealing box is fixedly connected to the top of the horizontal drying tank, and a suction fan and an electric heating rod are respectively fixedly connected inside the sealing box, and the electric heating rod is located above the suction fan, a plurality of groups of air outlet pipes are fixedly connected to the front and rear ends of the sealing box, and the other end of the air outlet pipe passes through the horizontal drying tank and the support seat, and is connected to the front and rear ends of the air supply pipe, the air supply pipe is longitudinally arranged in the conveyor belt, and the front and rear ends thereof are fixedly connected to the front and rear ends of the support seat, a plurality of air supply holes are provided on the upper side of the air supply pipe, and a plurality of groups of air inlet holes are provided on the inner top end of the horizontal drying tank.

[0007] Baffles are arranged on the left and right sides of the horizontal drying tank, and the baffles are located above the conveyor belt.

[0008] As a further solution of the utility model, two sets of limit seats are fixedly connected to the left and right sides of the horizontal drying tank in a front-to-back symmetrical manner, and the baffle is slidably connected to the limit seats and is located at the inlet side and outlet slot of the horizontal drying tank.

[0009] As a further solution of the utility model, the limit seat is fixedly connected to the baffle by bolts.

[0010] The utility model provides a drying device for battery electrode raw materials, which has the beneficial effects of utilizing a conveyor belt to convey the positive and negative electrode materials of the battery, and using a horizontal drying trough to dry the positive and negative electrode materials, thereby eliminating the need to frequently take and place the positive and negative electrode materials, reducing the working steps and the workload of personnel, and realizing top-down drying of the positive and negative electrode materials through the flow of hot air from bottom to top, with high drying sufficiency and high drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a partial cross-sectional view of the utility model.

[0014] Figure 3 It is a structural schematic diagram of the conveyor belt in the utility model.

[0015] Figure 4 It is a cross-sectional view of the conveyor belt in the utility model.

[0016] Figure 5 It is a structural schematic diagram of the air delivery pipe in the utility model.

[0017] In the figure: 1. conveyor belt; 2. support seat; 3. limit seat; 4. baffle; 5. horizontal drying tank; 6. air outlet pipe; 7. sealing box; 8. suction fan; 9. electric heating rod; 10. air supply pipe; 11. air supply hole; 51. air inlet hole. DETAILED DESCRIPTION

[0018] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0019] See also Figure 1-5A drying device for battery electrode raw materials provided by an embodiment of the utility model comprises a horizontal drying tank 5, a support seat 2 and a conveyor belt 1 are arranged inside the horizontal drying tank 5, and the conveyor belt 1 is installed on the support seat 2, a sealing box 7 is fixedly connected to the top of the horizontal drying tank 5, and a suction fan 8 and an electric heating rod 9 are fixedly connected inside the sealing box 7, and the electric heating rod 9 is located above the suction fan 8, a plurality of groups of air outlet pipes 6 are fixedly connected to the front and rear ends of the sealing box 7, and the other end of the air outlet pipe 6 passes through the horizontal drying tank 5 and the support seat 2, and is connected to the front and rear ends of the air supply pipe 10, the air supply pipe 10 is longitudinally arranged in the conveyor belt 1, and the front and rear ends thereof are fixedly connected to the front and rear ends of the support seat 2, and a plurality of air supply holes 11 are opened on the upper side of the air supply pipe 10, and a plurality of groups of air inlet holes 51 are opened at the inner top of the horizontal drying tank 5.

[0020] Baffles 4 are provided on the left and right sides of the horizontal drying tank 5 , and the baffles 4 are located above the conveyor belt 1 . The design of the baffles 4 facilitates partial shielding of the left and right sides of the horizontal drying tank 5 , thereby reducing the amount of outside air entering the horizontal drying tank 5 .

[0021] During the use of the utility model, the cleaned positive and negative electrode materials of the battery are placed on the conveyor belt 1, and the positive and negative electrode materials of the battery are conveyed by the operation of the conveyor belt 1, and then the positive and negative electrode materials of the battery pass through the horizontal drying tank 5 from left to right, and are moved out from the right side of the horizontal drying tank 5, and the suction fan 8 and the electric heating rod 9 are operated at the same time. The operation of the suction fan 8 drives the air in the horizontal drying tank 5 to flow from bottom to top, and enters the sealing box 7 through the air inlet 51, and then is sent into the air supply pipe 10 through the air outlet pipe 6, and finally discharged through the air supply hole 11, and then under the action of negative pressure and air flow, the air flows from bottom to top again in sequence, so as to achieve The air circulates and flows, and when the air passes through the sealing box 7, the electric heating rod 9 heats the air, and after the heated air is discharged through the air pipe 10 again, the hot air flows from bottom to top and dries the back of the positive and negative electrode materials of the battery, and then the hot air enters the horizontal drying tank 5, so that the inside of the horizontal drying tank 5 is filled with hot air, and the hot air dries the positive and negative electrode materials of the battery in the horizontal drying tank 5. At the same time, the unidirectional flow of air also ensures the sufficiency and efficiency of drying the positive and negative electrode materials of the battery, without the need to frequently distinguish the positive and negative electrode materials of the battery, shortening the working steps and improving the working efficiency.

[0022] like Figure 1 As shown, two sets of limit seats 3 are symmetrically fixedly connected to the left and right sides of the horizontal drying tank 5, and the baffle 4 is slidably connected to the limit seats 3 and is located at the inlet side and outlet slot of the horizontal drying tank 5. The limit seats 3 are fixedly connected to the baffle 4 by bolts. By moving the baffle 4 up and down along the limit seats 3, the area of ​​the inlet slot and outlet side of the horizontal drying tank 5 can be easily adjusted.

[0023] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A drying device for battery electrode raw materials, comprising a horizontal drying tank (5), characterized in that: A support seat (2) and a conveyor belt (1) are arranged inside the horizontal drying tank (5), and the conveyor belt (1) is installed on the support seat (2). A sealing box (7) is fixedly connected to the top of the horizontal drying tank (5), and a suction fan (8) and an electric heating rod (9) are fixedly connected inside the sealing box (7), respectively, and the electric heating rod (9) is located above the suction fan (8). The front and rear ends of the sealing box (7) are fixedly connected to a plurality of groups of air outlet pipes (6), and the other end of the air outlet pipe (6) passes through the horizontal drying tank (5) and the support seat (2), and is connected to the front and rear ends of the air supply pipe (10). The air supply pipe (10) is longitudinally arranged in the conveyor belt (1), and its front and rear ends are fixedly connected to the front and rear ends of the support seat (2), and a plurality of air supply holes (11) are provided on the upper side of the air supply pipe (10), and a plurality of air inlet holes (51) are provided at the inner top of the horizontal drying tank (5); Baffles (4) are provided on both the left and right sides of the horizontal drying tank (5), and the baffles (4) are located above the conveyor belt (1).

2. A drying device for battery electrode raw materials according to claim 1, characterized in that: Two groups of limit seats (3) are symmetrically fixedly connected to the left and right sides of the horizontal drying tank (5) in a front-to-back manner. The baffle (4) is slidably connected to the limit seats (3) and is located at the inlet side and outlet slot of the horizontal drying tank (5).

3. A drying device for battery electrode raw materials according to claim 2, characterized in that: The limiting seat (3) is fixedly connected to the baffle (4) via bolts.

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