CN218893463U

CN218893463U - Continuous graphite purification device

Info

Publication number: CN218893463U
Application number: CN202320261387.0U
Authority: CN
Inventors: 李佳坤; 王昌华; 林昌彪
Original assignee: Wuzhou Tongxin Energy Materials Co ltd
Current assignee: Wuzhou Tongxin Energy Materials Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-04-21
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a graphite processing device, and provides a continuous graphite purifying device for improving graphite purifying efficiency, which comprises a plurality of heating devices connected end to end in sequence from top to bottom; the heating device comprises a heating tank with openings at the upper end and the lower end, an electric heating device arranged in the heating tank, a connecting pipe arranged at the lower end of the heating tank, a first valve arranged in the connecting pipe, a first air inlet pipe arranged in the heating tank, a guide pipe connected with the first air inlet pipe in a conducting way and arranged at one end outside the heating tank, and an exhaust pipe arranged on the side wall of the heating tank; the connecting pipe is connected with the upper end of the adjacent heating tank in a conducting way. The continuous graphite purifying device provided by the utility model can continuously and fully purify graphite materials.

Description

Continuous graphite purification device

Technical Field

The utility model relates to the technical field of graphite processing devices, in particular to a continuous graphite purifying device.

Background

Graphite materials are widely used in the field of battery electrodes due to their unique characteristics of electrical conductivity, thermal conductivity, chemical stability, etc. However, for graphite raw materials, a complex series of processes are still required to produce the final finished product, including washing, grinding, purification, and the like.

The purification process plays a key role in the purity of the final graphite product, and the quality of the product has various purification processes, such as chemical reagent treatment, high-temperature heat treatment and the like, and the graphite material is usually placed in a high-temperature environment, carbon tetrachloride and inert gas are alternately introduced into gaps, the generated waste gas is discharged, and in the process, the environment temperature is raised stepwise, and the purpose of purifying the graphite is achieved after a certain process flow. It can be seen that the purification process of graphite material is limited by the stepwise elevated temperatures, making it difficult to achieve continuous (typically batch-to-batch purification) and less efficient.

Disclosure of Invention

The utility model aims to provide a continuous graphite purifying device which can continuously and fully purify graphite materials.

The embodiment of the utility model is realized by the following technical scheme: the continuous graphite purifying device comprises a plurality of heating devices which are sequentially connected end to end from top to bottom; the heating device comprises a heating tank with openings at the upper end and the lower end, an electric heating device arranged in the heating tank, a connecting pipe arranged at the lower end of the heating tank, a first valve arranged in the connecting pipe, a first air inlet pipe arranged in the heating tank, a guide pipe which is in conductive connection with the first air inlet pipe and is arranged at one end outside the heating tank, and an exhaust pipe arranged on the side wall of the heating tank; the connecting pipe is connected with the upper end of the adjacent heating tank in a conducting way.

Further, the lower end of the heating tank is conical with big top and small bottom.

Further, a second valve is arranged at the end part of the lower end of the heating tank; the second valve comprises a porous partition plate arranged in the connecting pipe and a driving device used for driving the partition plate to rotate.

Further, the heating device further comprises a second air inlet pipe, and one end part of the second air inlet pipe is arranged inside the connecting pipe; and one end of the second air inlet pipe, which is arranged in the connecting pipe, is arranged between the first valve and the second valve.

Further, one end of the second air inlet pipe, which is arranged in the connecting pipe, is arranged towards the first valve.

Further, the first air inlet pipe is provided with a plurality of pieces, and the plurality of pieces of first air inlet pipes are connected with the guide pipe in a conducting way.

Further, a plurality of air outlet holes are formed in the side wall of the first air inlet pipe.

Further, the exhaust pipe is arranged at the upper end of the heating tank.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects: according to the continuous graphite purification device disclosed by the utility model, graphite materials are discharged into the uppermost heating tank, the graphite tanks are heated to a certain temperature through the electric heating device, in the process, the waste generated by intermittently introducing the graphite materials into the heating tanks through the guide pipe and the first air inlet pipe is discharged from the exhaust pipe, the temperatures in the heating tanks are different (sequentially rising from top to bottom), the flow rate of air can be adjusted along with the process or the temperature, when the graphite materials in the lowest heating tank are discharged, the materials in the last heating tank are discharged into the lowest heating tank (only the first valve is opened), and the operation is sequentially performed from bottom to top, so that the heating temperature, the air flow rate and other parameters in each heating tank can be accurately adjusted, the heating tanks do not influence each other, the graphite materials can be continuously and fully heated, the treatment efficiency of the graphite materials can be improved, and the purification efficiency and the purification quality can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a continuous graphite purification apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure of the inside of a continuous graphite purification device according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a first air inlet pipe of the continuous graphite purifying apparatus according to the embodiment of the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 2.

Icon: 10-heating tank, 11-connecting pipe, 12-blast pipe, 13-first intake pipe, 14-venthole, 15-pipe, 16-baffle, 17-second intake pipe, 18-first valve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

The following is further described with reference to specific examples, as shown in fig. 1-4, in which the continuous graphite purifying apparatus in this embodiment includes a plurality of heating devices sequentially connected end to end from top to bottom; the heating device comprises a heating tank 10 with openings at the upper end and the lower end, an electric heating device arranged in the heating tank 10, a connecting pipe 11 arranged at the lower end of the heating tank 10, a first valve 18 arranged on the connecting pipe 11, a first air inlet pipe 13 arranged in the heating tank 10, a conduit 15 which is in conductive connection with the first air inlet pipe 13 arranged at one end outside the heating tank 10, and an exhaust pipe 12 arranged on the side wall of the heating tank 10; the connecting pipe 11 is connected with the upper end of the adjacent heating tank 10 in a conducting way. Specifically, graphite material is discharged into the uppermost one of the heating tanks 10, the graphite material is heated to a certain temperature by the electric heating device, in the process, the graphite material can be intermittently introduced into the heating tank 10 through the conduit 15 and the first air inlet pipe 13, the generated waste is discharged from the air outlet pipe 12, the temperatures of the plurality of heating tanks 10 are different (sequentially rising from top to bottom), the flow rate of the air can be adjusted according to the process or the temperature, when the graphite material in the lowermost heating tank 10 is discharged, the material in the next-to-last heating tank 10 is discharged into the lowermost heating tank 10 (only by opening the first valve 18), and the operation is sequentially performed from bottom to top, so that the heating temperature, the air flow rate and other parameters in each heating tank 10 can be accurately adjusted, the heating tanks 10 do not influence each other, the graphite material can be continuously and fully heated, the treatment efficiency of the graphite material can be improved, and the purification efficiency and the quality can be improved.

The lower end of the heating tank 10 in this embodiment is tapered with a large upper part and a small lower part. In particular, this can further facilitate the rapid and complete discharge or draining of graphite material into the next heating tank 10.

The lower end part of the heating tank 10 in the embodiment is provided with a second valve; the second valve comprises a porous partition 16 provided in the connection pipe 11, and a driving device for driving the partition 16 to rotate. Specifically, the graphite material can be prevented from entering the connecting pipe 11, and the heating and purifying effects of the graphite material are poor due to insufficient temperature of the connecting pipe 11. Wherein the opening/closing of the second valve is achieved by rotating the partition 16.

The heating device in this embodiment further includes a second air inlet pipe 17, wherein one end of the second air inlet pipe 17 is disposed inside the connecting pipe 11; one end of the second air inlet pipe 17, which is arranged in the connecting pipe 11, is arranged between the first valve 18 and the second valve. In particular, since the second inlet pipe 17 is located entirely below the graphite material, this allows contact with the graphite material located at the bottom when the gas rises, and thus the purification of all the graphite material in the heating tank 10.

The second air intake pipe 17 in this embodiment is provided at one end thereof located in the connection pipe 11 toward the first valve 18. In particular, this can avoid the graphite material from being jammed in the second intake pipe 17 when the graphite material is discharged.

The first air inlet pipe 13 in this embodiment is provided with a plurality of pieces, and the plurality of pieces of first air inlet pipes 13 are all connected with the conduit 15 in a conductive manner. The side wall of the first air inlet pipe 13 is provided with a plurality of air outlet holes 14. Specifically, the gas can be fully contacted with the graphite material, and the purification effect is improved.

The exhaust pipe 12 in this embodiment is provided at the upper end of the heating tank 10. In particular, this allows the gases to be expelled after sufficient contact with the graphite material. It is also possible to avoid the exhaust gas from remaining in the heating tank 10.

In summary, in the continuous graphite purifying apparatus of the present embodiment, graphite material is discharged into the uppermost heating tank 10, and the graphite tank is heated to a certain temperature by the electric heating device, in this process, the waste generated by intermittently introducing the graphite material into the heating tank 10 through the conduit 15 and the first air inlet pipe 13 is discharged from the air outlet pipe 12, and the temperatures of the plurality of heating tanks 10 are different (sequentially rising from top to bottom), the flow rate of the gas can be adjusted according to the process or the temperature, and when the graphite material in the lowermost heating tank 10 is discharged, the material in the second last heating tank 10 is discharged into the lowermost heating tank 10 (only by opening the first valve 18), and the operation is sequentially performed from bottom to top, so that not only the heating temperature, the gas flow rate and other parameters in each heating tank 10 can be accurately adjusted, but also the graphite material can be continuously and sufficiently heated, the treatment efficiency of the graphite material can be improved, and the purification efficiency and quality can be improved.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A continuous graphite purification device, characterized in that: comprises a plurality of heating devices which are sequentially connected end to end from top to bottom;

the heating device comprises a heating tank with openings at the upper end and the lower end, an electric heating device arranged in the heating tank, a connecting pipe arranged at the lower end of the heating tank, a first valve arranged in the connecting pipe, a first air inlet pipe arranged in the heating tank, a guide pipe which is in conductive connection with the first air inlet pipe and is arranged at one end outside the heating tank, and an exhaust pipe arranged on the side wall of the heating tank;

the connecting pipe is connected with the upper end of the adjacent heating tank in a conducting way.

2. The continuous graphite purification apparatus of claim 1, wherein: the lower end of the heating tank is conical with big top and small bottom.

3. The continuous graphite purification apparatus of claim 2, wherein: the lower end part of the heating tank is provided with a second valve;

the second valve comprises a porous partition plate arranged in the connecting pipe and a driving device used for driving the partition plate to rotate.

4. A continuous graphite purification apparatus according to claim 3, wherein: the heating device further comprises a second air inlet pipe, and one end part of the second air inlet pipe is arranged in the connecting pipe; and one end of the second air inlet pipe, which is arranged in the connecting pipe, is arranged between the first valve and the second valve.

5. The continuous graphite purification apparatus of claim 4, wherein: the second air inlet pipe is arranged at one end in the connecting pipe and is arranged towards the first valve.

6. The continuous graphite purification apparatus of claim 1, wherein: the first air inlet pipe is provided with a plurality of pieces, and the plurality of pieces of first air inlet pipes are connected with the guide pipe in a conducting way.

7. The continuous graphite purification apparatus of claim 1, wherein: and a plurality of air outlet holes are formed in the side wall of the first air inlet pipe.

8. The continuous graphite purification apparatus of claim 1, wherein: the exhaust pipe is arranged at the upper end of the heating tank.