Vapor deposition device for producing silicon-carbon negative electrode material

Abstract

The utility model discloses a vapor deposition device for producing a silicon-carbon negative electrode material, which comprises an outer ring pipe and a throttle valve controller arranged on the inner side of the outer ring pipe. An annular notch is formed in the inner side of the outer ring pipe; an inner ring pipe is arranged at the position, corresponding to the annular notch, of the outer ring pipe; a centrosymmetric ventilation pipe is fixedly connected to the outer ring pipe; the inner ring pipe is fixedly connected with poking pieces in a circumferential array at the position corresponding to the interior of the outer ring pipe; a plurality of air outlet holes in a circumferential array are formed in the inner side of the inner ring pipe; therefore, after cold air enters a space formed by the outer ring pipe and the inner ring pipe from the ventilation pipe, the cold air is directly blown to the position where the shifting piece is located to apply acting force to the shifting piece, and the shifting piece is connected with the inner ring pipe, so that the shifting piece drives the inner ring pipe to rotate on the outer ring pipe, and then the connecting pipes connected with the air outlet holes rotate; and cold air is uniformly sprayed to the throttle valve controller, so that the cooling effect is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of silicon-carbon material production, and in particular relates to a vapor deposition device for producing silicon-carbon negative electrode materials. Background Art

[0002] Vapor deposition technology, referred to as CVD, is a process that uses gaseous substances to react chemically on the solid surface at a certain temperature to form a solid deposited film on the surface. Silicon-carbon negative electrode materials have the advantages of high capacity and high energy density in lithium-ion batteries, but because silicon expands greatly during the charging and discharging process, it affects the cycle stability, so it is necessary to develop high-performance silicon-carbon composite materials. Among them, vapor deposition is the key technology for preparing high-quality silicon-carbon negative electrode materials.

[0003] Patent CN216192697U discloses a vapor deposition device, which uses an air intake main pipe to transport cold air to each gas branch pipe, and then uses the gas branch pipe to transport the cold air to each branch pipe and the corresponding guide pipe, and finally uses the guide pipe to continuously and evenly spray the cold air to the throttle valve controller, so that the temperature of each part of the throttle valve controller remains consistent, thereby ensuring normal communication of the throttle valve controller.

[0004] In the technical solution of the above patent, the cold air is distributed in multiple stages to each corresponding guide pipe through the intake main pipe, so that the cooling effect on the throttle valve controller is more uniform. However, since the position of the guide pipe is fixed, there will still be blind spots for cold air injection during the process of spraying the cold air to the throttle valve controller through the guide pipe, resulting in the inability to provide the cold air to the throttle valve controller more evenly for cooling, which has certain limitations. Utility Model Content

[0005] In order to solve the technical problem in the prior art that, due to the fixed position of the guide pipe, there is a dead angle for cold air injection, and the cold air cannot be further evenly injected to the throttle valve controller to cool it evenly, the utility model provides a vapor deposition device for the production of silicon-carbon negative electrode materials.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A vapor deposition device for producing silicon-carbon negative electrode materials comprises an outer ring tube and a throttle valve controller, wherein the throttle valve controller is arranged on the inner side of the outer ring tube; an annular incision is opened on the inner side of the outer ring tube; an inner ring tube is arranged on the position of the outer ring tube corresponding to the annular incision; a centrally symmetrical ventilation pipe is fixedly connected to the outer ring tube; a circular array of paddles is fixedly connected to the position of the inner ring tube corresponding to the inside of the outer ring tube; a plurality of air outlets in a circular array are opened on the inner side of the inner ring tube; and connecting pipes are arranged on the air outlets.

[0008] Furthermore, the upper portion of the cross section of the inner ring tube is in an eight-shaped shape and fits the inner surface of the outer ring tube, and the lower portion is in a rectangular shape and is slidably connected to the annular incision.

[0009] Furthermore, the ventilation pipes are respectively located on the upper and lower sides of the outer ring pipe and are arranged horizontally, and the ventilation pipes are connected to the inside of the outer ring pipe.

[0010] Furthermore, the connecting pipes are all fixedly connected with a communicating transverse pipe, and the transverse pipe is provided with an air outlet at a position toward the center of the inner ring pipe, and the air outlet runs through both ends of the transverse pipe.

[0011] Furthermore, the outer end of the ventilation pipe is connected to an air inlet pipe via a joint, and the air inlet pipe is a three-way pipe.

[0012] Furthermore, adjacent air inlet pipes are connected with expansion joint pipes, one of the outermost expansion joint pipe ends is in a closed structure, and the other outermost expansion joint pipe end is connected to a cold air source.

[0013] Furthermore, the upper and lower parts of the outer side of the outer ring tube are fixedly connected with connection blocks, and a fixing rod is connected between the multiple connection blocks located at the upper part and between the multiple connection blocks located at the lower part.

[0014] Beneficial effects of the utility model:

[0015] 1) In the present invention, the two ventilation pipes are horizontally arranged on the outer ring pipe in a centrally symmetrical manner and are connected to the outer ring pipe. Therefore, when the cold air enters the space formed by the outer ring pipe and the inner ring pipe from the ventilation pipe, it will first blow directly to the position where the paddle is located, so that it exerts a force on the paddle. Since the paddle is connected to the inner ring pipe, the paddle drives the inner ring pipe to rotate on the outer ring pipe, thereby causing each connecting pipe connected to the air outlet to rotate, so that the cold air is evenly sprayed to the throttle valve controller, and the cooling effect is better.

[0016] 2) The utility model connects the cross pipe with a connecting pipe on the outside of the air outlet and opens an air outlet on the cross pipe, so that the cold air can be sprayed evenly onto the surface of the throttle valve controller. A good and even cooling effect can be achieved without using an overly dense guide pipe, and there will be no cooling dead corners, which further improves the cooling effect of the throttle valve controller.

[0017] 3) The utility model connects and fixes each outer ring tube through the cooperation of the fixing rod and the connecting block, and the position of the outer ring tube can be freely adjusted, so that the fixed position of the throttle valve controller can be accurately cooled, and the setting of the telescopic joint tube can adapt to any position of the outer ring tube on the fixing rod, which is more convenient to adjust and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of the inner ring tube of the utility model;

[0021] Figure 3 It is an exploded view of the utility model;

[0022] Figure 4 This is a cross-sectional view of the outer ring tube of the utility model;

[0023] Figure 5 yes Figure 4 A partial enlarged view of the middle A;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Outer ring pipe; 2. Annular incision; 3. Inner ring pipe; 4. Air outlet; 5. Connecting pipe; 6. Horizontal pipe; 7. Air outlet; 8. Ventilation pipe; 9. Connector; 10. Air inlet pipe; 11. Telescopic joint pipe; 12. Paddle; 13. Connecting block; 14. Fixing rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0027] See also Figure 1 , Figure 3 as well as Figure 5 As shown, a vapor deposition device for producing silicon-carbon negative electrode materials includes an outer ring tube 1; an annular cutout 2 is opened on the inner side of the outer ring tube 1; an inner ring tube 3 is arranged at a position corresponding to the annular cutout 2 on the outer ring tube 1, and the upper part of the cross section of the inner ring tube 3 is in an eight-shaped shape and fits the inner surface of the outer ring tube 1, and the lower part is in a rectangular shape and is slidably connected to the annular cutout 2; a throttle valve controller is arranged at the inner center of the inner ring tube 3.

[0028] Please refer again Figure 2As shown, a centrally symmetrical ventilation pipe 8 is fixedly connected to the outer ring pipe 1. The ventilation pipe 8 is used to transport cold air to the inside of the outer ring pipe 1. The ventilation pipe 8 is located on the upper and lower sides of the outer ring pipe 1 and is horizontally arranged. The ventilation pipe 8 is connected to the inside of the outer ring pipe 1.

[0029] Please refer again Figure 2 and Figure 3 As shown, the inner ring tube 3 is fixedly connected with a circular array of paddles 12 at a position corresponding to the inside of the outer ring tube 1; a plurality of air outlet holes 4 are opened in a circular array on the inner side of the inner ring tube 3; connecting tubes 5 are provided on the air outlet holes 4; a connected transverse tube 6 is fixedly connected to the connecting tubes 5, and an air outlet 7 is opened toward the center of the inner ring tube 3, and the air outlet 7 extends to both ends of the transverse tube 6.

[0030] Please refer again Figure 1 and Figure 4 As shown, the outer end of the ventilation pipe 8 is connected to the air inlet pipe 10 via the joint 9, and the air inlet pipe 10 is a three-way pipe; telescopic joint pipes 11 are arranged between adjacent air inlet pipes 10, one of the outermost telescopic joint pipes 11 has a closed structure at the end, and the other outermost telescopic joint pipe 11 is connected to a cold air source, such as a cold air generator.

[0031] Please refer again Figure 4 and Figure 5 As shown, connecting blocks 13 are fixedly connected to the upper and lower parts of the outer side of the outer ring tube 1, and a fixing rod 14 is connected between the multiple connecting blocks 13 located at the upper part and between the multiple connecting blocks 13 located at the lower part. The fixing rod 14 is used to fix the position of the outer ring tube 1 and set it outside the throttle valve controller.

[0032] In order to facilitate understanding of the above technical solution of the utility model, the working principle or operation method of the utility model in the actual process is described in detail below:

[0033] First, the outer ring tube 1 and the inner ring tube 3 are fixed to the outside of the throttle valve controller by the fixing rod 14, and then cold air is introduced into the air inlet pipe 10, so that the cold air enters the space formed by the outer ring tube 1 and the inner ring tube 3 through the cooperation of the air inlet pipe 10 and the joint 9, and then the cold air is sprayed toward the throttle valve controller from each air outlet 4 to achieve the purpose of cooling it.

[0034] Among them, in order to ensure that the throttle valve controller is cooled uniformly by cold air, during specific operation, since the two ventilation pipes 8 are horizontally arranged on the outer ring pipe 1 in a centrally symmetrical manner and are connected to the outer ring pipe 1, when the cold air enters the space formed by the outer ring pipe 1 and the inner ring pipe 3 from the ventilation pipe 8, it will first blow directly to the position of the paddle 12, so that it applies a force to the paddle 12, and since the paddle 12 is connected to the inner ring pipe 3, the paddle 12 drives the inner ring pipe 3 to rotate on the outer ring pipe 1, and then the connecting pipes 5 connected to the air outlet 4 are rotated, so that the cold air is evenly sprayed to the throttle valve controller, and the cooling effect is better.

[0035] Furthermore, by connecting the cross pipe 6 with the connecting pipe 5 on the outside of the air outlet 4 and opening an air outlet 7 on the cross pipe 6, the cold air can be sprayed evenly onto the surface of the throttle valve controller. A good and even cooling effect can be achieved without using overly dense guide pipes, and there will be no cooling dead corners, which further improves the cooling effect of the throttle valve controller.

[0036] In addition, by connecting and fixing each outer ring tube 1 through the fixed rod 14 and the connecting block 13, the position of the outer ring tube 1 can be freely adjusted so that the fixed position of the throttle valve controller can be accurately cooled, and the setting of the telescopic joint tube 11 can adapt to any position of the outer ring tube 1 on the fixed rod 14, making the adjustment more convenient and easy to use.

[0037] In the description of the specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above contents are merely examples and explanations of the structure of the utility model. The technicians in the technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A vapor deposition device for producing silicon-carbon negative electrode materials, comprising an outer ring tube (1) and a throttle valve controller, wherein the throttle valve controller is arranged inside the outer ring tube (1); Features: The outer ring tube (1) has an annular cutout (2) formed on the inner side thereof; an inner ring tube (3) is provided at a position of the outer ring tube (1) corresponding to the annular cutout (2); The outer ring tube (1) is fixedly connected to a centrally symmetrical ventilation tube (8); the inner ring tube (3) is fixedly connected to a circular array of paddles (12) at positions corresponding to the interior of the outer ring tube (1); A plurality of air outlet holes (4) are provided in a circumferential array on the inner side of the inner ring tube (3); and connecting tubes (5) are provided on each of the air outlet holes (4).

2. A vapor deposition device for producing silicon-carbon negative electrode materials according to claim 1, characterized in that: The upper portion of the cross section of the inner ring tube (3) is in an eight-shaped shape and fits the inner surface of the outer ring tube (1), while the lower portion is in a rectangular shape and is slidably connected to the annular cutout (2).

3. The vapor deposition device for producing silicon-carbon negative electrode materials according to claim 1, characterized in that: The ventilation pipes (8) are respectively located on the upper and lower sides of the outer ring pipe (1) and are arranged horizontally. The ventilation pipes (8) are connected to the inside of the outer ring pipe (1).

4. The vapor deposition device for producing silicon-carbon negative electrode materials according to claim 1, characterized in that: The connecting pipes (5) are all fixedly connected to a communicating transverse pipe (6), and the transverse pipe (6) is provided with an air outlet (7) at a position facing the center of the inner ring pipe (3), and the air outlet (7) penetrates to both ends of the transverse pipe (6).

5. The vapor deposition device for producing silicon-carbon negative electrode materials according to claim 1, characterized in that: The outer end of the ventilation pipe (8) is connected to an air inlet pipe (10) via a joint (9), and the air inlet pipe (10) is a three-way pipe.

6. A vapor deposition device for producing silicon-carbon negative electrode materials according to claim 5, characterized in that: Adjacent air inlet pipes (10) are connected with telescopic joint pipes (11), wherein the end of one of the outermost telescopic joint pipes (11) is in a closed structure, and the end of the other outermost telescopic joint pipe (11) is connected to a cold air source.

7. The vapor deposition device for producing silicon-carbon negative electrode materials according to claim 1, characterized in that: The upper and lower parts of the outer side of the outer ring tube (1) are fixedly connected with connection blocks (13), and a fixing rod (14) is connected between the multiple connection blocks (13) located at the upper part and between the multiple connection blocks (13) located at the lower part.

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