Cathode material roasting equipment

Abstract

The utility model discloses positive electrode material roasting equipment, which comprises a bottom plate, a roasting box body and a preheating box body, the roasting box body is fixedly arranged on one side of the upper end of the bottom plate, the preheating box body is fixedly arranged on the other side of the upper end of the bottom plate, a heating connection structure is arranged between the preheating box body and the roasting box body, and the heating connection structure is connected with the preheating box body. The utility model relates to the technical field of positive electrode material manufacturing, the heating connection structure is adopted, when a heating piece in the roasting box body works, two arranged heat conduction copper pieces are matched with a heat conduction connection block, so that the heat conduction connection block is matched with the heat conduction copper pieces, and the heat conduction connection block is matched with the heat conduction copper pieces. According to the roasting and preheating device, heat in the roasting box body can be conducted into the preheating box body, the overall temperature in the preheating box body is guaranteed, consumption of heat and the like is reduced, the placement plate is fixed in a clamping and fixing mode through the arranged heating placement structure, rapid taking operation of the placement plate can be achieved, and heat loss in the roasting box body and the preheating box body is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of positive electrode material production, in particular to positive electrode material baking equipment. Background Art

[0002] In the composition of lithium-ion batteries, the quality of positive electrode materials is an important factor that determines the electrochemical performance and safety performance of lithium-ion batteries. At present, in the production process of positive electrode materials, in order to produce lithium-ion battery positive electrode material products with uniform reaction, high crystal quality, uniform pores, small surface area, large apparent specific gravity and stable electrochemical performance, the positive electrode materials are often roasted using the principles of crystallography and aerodynamics.

[0003] Before roasting, the mixed materials need to be preheated in a drying room to dry some liquids, and then the materials are placed in a roasting furnace for sintering. Since the existing roasting furnace and drying room are two separate devices, a large amount of heat energy is consumed during use, and a lot of resources are wasted. The hot air from the roasting furnace cannot be used to preheat and dry the mixed materials, which reduces the practicability of the device. In view of this, there may already be technical means to solve the above problems in the prior art, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a positive electrode material baking equipment, including a bottom plate, a baking box and a preheating box, the baking box is fixedly installed on one side of the upper end of the bottom plate, the preheating box is fixedly installed on the other side of the upper end of the bottom plate, a heating connection structure is provided between the preheating box and the baking box, and a processing placement structure is provided in the baking box and the preheating box;

[0005] The heating connection structure comprises: a heating machine, three heating plates, two heat-conducting copper plates, a heat-conducting connection block, two air pipes and two air-distributing hoods;

[0006] The heating machine is fixedly installed on the upper end of the roasting box body, the three heating plates are respectively installed on the upper and lower walls and the rear wall of the roasting box body, and are all connected to the heating machine, the two heat-conducting copper plates are respectively installed on the wall of one side of the roasting box body and the preheating box body, the heat-conducting connecting block is embedded in the wall of one side of the roasting box body and the preheating box body, and the two ends are respectively connected to the two heat-conducting copper plates, the two air pipes are respectively installed in the upper end and the lower end of the preheating box body, and one end is respectively connected to the upper end and the lower end of one side of the roasting box body, and the two wind hoods are respectively installed on the upper ends of the two air pipes.

[0007] Preferably, the processing placement structure includes: four mounting columns, a plurality of support blocks, a plurality of support slots, a plurality of placement plates and a plurality of positioning pins;

[0008] The four mounting columns are respectively installed in the roasting box body and the preheating box body, the plurality of support blocks are respectively installed on the wall surface of one side of the four mounting columns, the plurality of support grooves are respectively opened on the upper ends of the plurality of support blocks, the two ends of the plurality of placement plates are respectively placed on the upper ends of the plurality of support blocks, the plurality of positioning pins are respectively installed on both sides of the lower ends of the plurality of placement plates, and are respectively movably embedded in the plurality of support grooves.

[0009] Preferably, the front ends of the roasting box and the preheating box are both provided with observation sealing doors.

[0010] Preferably, a pipe fixing block is provided at the connection between the air pipe and the preheating box.

[0011] Preferably, an operating rod is provided at the lower end of the placement plate.

[0012] Beneficial Effects

[0013] The utility model provides a positive electrode material roasting device, which has the following beneficial effects: the heating connection structure adopted in this case, when the heating plate in the roasting box is working, the heat in the roasting box can be transferred to the preheating box through the cooperation of the two heat-conducting copper plates and the heat-conducting connection block, so as to ensure the overall temperature in the preheating box and reduce the consumption of heat, etc., and the heating placement structure is set, and the placement plate is fixed in a clamping and fixing manner. When taking the material, the placement plate can be quickly taken, which reduces the heat loss in the roasting box and the preheating box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a positive electrode material baking device described in the utility model.

[0015] Figure 2 This is a schematic diagram of the front and cross-sectional structure of a positive electrode material roasting device described in the utility model.

[0016] Figure 3 This is an enlarged structural schematic diagram of position "A" of a positive electrode material roasting device described in the utility model.

[0017] In the figure: 1. bottom plate, 2. baking box, 3. preheating box, 4. heating machine, 5. heating plate, 6. thermal conductive copper plate, 7. thermal conductive connecting block, 8. air pipe, 9. wind hood, 10. mounting column, 11. support block, 12. support groove, 13. placement plate, 14. positioning pin, 15. observation sealing door, 16. pipe fixing block, 17. operating lever. DETAILED DESCRIPTION

[0018] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0019] Example: See Figure 1-3 A positive electrode material baking equipment comprises a bottom plate 1, a baking box 2 and a preheating box 3, wherein the baking box 2 is fixedly installed on one side of the upper end of the bottom plate 1, and the preheating box 3 is fixedly installed on the other side of the upper end of the bottom plate 1, and a heating connection structure is provided between the preheating box 3 and the baking box 2, and a processing placement structure is provided in both the baking box 2 and the preheating box 3;

[0020] The heating connection structure includes: a heating machine 4, three heating plates 5, two heat-conducting copper plates 6, a heat-conducting connection block 7, two air pipes 8 and two air-distributing covers 9;

[0021] The heater 4 is fixedly installed on the upper end of the roasting box 2, and three heating plates 5 are respectively installed on the upper and lower walls and the rear wall of the roasting box 2, and are all connected to the heater 4. Two heat-conducting copper plates 6 are respectively installed on the wall of one side of the roasting box 2 and the preheating box 3. The heat-conducting connecting block 7 is embedded in the wall of one side of the roasting box 2 and the preheating box 3, and the two ends are respectively connected to the two heat-conducting copper plates 6. Two air pipes 8 are respectively installed at the upper and lower ends of the preheating box 3, and one end is respectively connected to the upper and lower ends of one side of the roasting box 2, and two air hoods 9 are respectively installed on the upper ends of the two air pipes 8.

[0022] When in use, the staff first moves the device to the designated position, supports the roasting box 2 and the preheating box 3 through the provided bottom plate 1, then powers on the device, drives the three heating plates 5 to work through the provided heater 4, and performs heating operation on the roasting box 2. When the temperature in the roasting box 2 rises, the heat-conducting copper plate 6 located on one side of the roasting box 2 cooperates with the heat-conducting connecting block 7 to transfer the temperature in the roasting box 2 to the preheating box 3, so as to facilitate the overall preheating effect of the preheating box 3 on the material, and through the two provided air pipes 8, while ensuring the pressure in the roasting box 2, the hot air is transported to the preheating box 3, so as to further utilize the heat and ensure the overall temperature in the preheating box 3.

[0023] In the specific implementation process, the processing placement structure includes: four installation columns 10, a number of support blocks 11, a number of support slots 12, a number of placement plates 13 and a number of positioning pins 14;

[0024] Four mounting columns 10 are respectively installed in the roasting box 2 and the preheating box 3, a number of support blocks 11 are respectively installed on the wall surface of one side of the four mounting columns 10, a number of support grooves 12 are respectively opened at the upper ends of the support blocks 11, two ends of a number of placement plates 13 are respectively placed on the upper ends of the support blocks 11, a number of positioning pins 14 are respectively installed on both sides of the lower ends of the number of placement plates 13, and are respectively movably embedded in the number of support grooves 12.

[0025] When placing the material, the staff first places the material on the upper end of the placing plate 13, and then places the placing plate 13 into the preheating box 3 for drying and preheating. The positioning pin 14 at the lower end of the placing plate 13 is embedded in the supporting groove 12 at the upper end of the supporting block 11 to place and fix the placing plate 13. When the drying is completed, the placing plate 13 is directly taken out and placed in the roasting box 2 for sintering.

[0026] In the specific implementation process, the front ends of the roasting box 2 and the preheating box 3 are both provided with an observation sealing door 15 .

[0027] In the specific implementation process, a pipe fixing block 16 is provided at the connection between the air pipe 8 and the preheating box 3 .

[0028] In the specific implementation process, an operating rod 17 is provided at the lower end of the placement plate 13 .

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positive electrode material roasting device, comprising a base plate (1), a roasting box (2) and a preheating box (3), characterized in that: The roasting box (2) is fixedly mounted on one side of the upper end of the bottom plate (1), and the preheating box (3) is fixedly mounted on the other side of the upper end of the bottom plate (1). A heating connection structure is provided between the preheating box (3) and the roasting box (2), and a processing placement structure is provided inside the roasting box (2) and the preheating box (3); The heating connection structure comprises: a heating machine (4), three heating plates (5), two heat-conducting copper plates (6), a heat-conducting connection block (7), two air pipes (8) and two air balancing covers (9); The heating machine (4) is fixedly mounted on the upper end of the roasting box (2); the three heating plates (5) are respectively mounted on the upper and lower walls and the rear wall of the roasting box (2) and are all connected to the heating machine (4); the two heat-conducting copper plates (6) are respectively mounted on the inner side walls of the roasting box (2) and the preheating box (3); the heat-conducting connecting block (7) is embedded in the inner side walls of the roasting box (2) and the preheating box (3), and the two ends are respectively connected to the two heat-conducting copper plates (6); the two air pipes (8) are respectively mounted on the upper end and the lower end of the preheating box (3), and one end is respectively connected to the upper end and the lower end of one side of the roasting box (2); and the two air hoods (9) are respectively mounted on the upper ends of the two air pipes (8).

2. A positive electrode material calcining device according to claim 1, characterized in that: The processing placement structure comprises: four installation columns (10), a plurality of support blocks (11), a plurality of support grooves (12), a plurality of placement plates (13) and a plurality of positioning pins (14); The four mounting columns (10) are respectively mounted in the roasting box (2) and the preheating box (3); the plurality of support blocks (11) are respectively mounted on the wall surface of one side of the four mounting columns (10); the plurality of support grooves (12) are respectively opened on the upper ends of the plurality of support blocks (11); the two ends of the plurality of placement plates (13) are respectively placed on the upper ends of the plurality of support blocks (11); the plurality of positioning pins (14) are respectively mounted on both sides of the lower ends of the plurality of placement plates (13) and are respectively movably embedded in the plurality of support grooves (12).

3. A positive electrode material baking device according to claim 1, characterized in that: The front ends of the roasting box (2) and the preheating box (3) are both provided with an observation sealing door (15).

4. The positive electrode material calcining equipment according to claim 1, characterized in that: A pipe fixing block (16) is provided at the connection between the air pipe (8) and the preheating box (3).

5. The positive electrode material calcining equipment according to claim 2, characterized in that: An operating rod (17) is provided at the lower end of the placement plate (13).

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