Graphene production equipment with raw material pretreatment function

Abstract

The utility model belongs to the technical field of graphene production equipment, and particularly relates to graphene production equipment with a raw material pretreatment function, which comprises a reactor, a grinding cavity is arranged above the reactor, a rotating disc is arranged in the grinding cavity, the outer wall of the rotating disc is rotatably connected with two grinding rollers and two cleaning brushes which are fixedly connected with the grinding rollers, when the graphene raw material grinding device is used, a graphene raw material to be ground is placed on the sieve plate in the grinding cavity, and then the grinding roller rotates to grind the graphene raw material on the upper end face of the sieve plate; the grinding structure can be suitable for graphene raw materials with different sizes by adjusting the distance between the grinding roller and the sieve plate, so that the grinding efficiency is improved; and the graphene raw materials adhered to the upper end face of the sieve plate are scraped off through the cleaning brush, and mesh holes in the sieve plate are prevented from being blocked.

Description

Technical Field

[0001] This utility model belongs to the technical field of graphene production equipment, specifically a graphene production equipment with raw material pretreatment function. Background Technology

[0002] Graphene is a novel material with a single-layer, two-dimensional honeycomb lattice structure composed of sp2-hybridized carbon atoms tightly packed together. Graphene possesses excellent optical, electrical, and mechanical properties, and holds significant promise for applications in materials science, micro / nano fabrication, energy, biomedicine, and drug delivery.

[0003] A search revealed that patent CN216573374U discloses a graphene production device with raw material pretreatment function. The device includes a reactor for graphene production, with legs installed at the bottom and a feed pipe connected to the top. A raw material pretreatment component is mounted on the feed pipe. The advantages are: by incorporating the raw material pretreatment component, the device allows for direct graphene production after raw material processing, reducing intermediate time; and it enables the raw material to be transported downwards while being ground, resulting in high grinding efficiency.

[0004] Because graphene raw materials tend to clump when exposed to moisture, the grinding structure of the aforementioned equipment cannot be adjusted according to the size of the graphene raw materials. This results in the graphene raw materials not being able to make close contact with the grinding structure, and the raw materials being ground tend to adhere to the sieve plate and clog the mesh during the grinding process. Summary of the Invention

[0005] The purpose of this invention is to provide a graphene production equipment with a raw material pretreatment function. By adjusting the distance between the grinding roller and the sieve plate, the grinding structure can be adapted to graphene raw materials of different sizes, thereby improving grinding efficiency. It can also scrape off the graphene raw materials adhering to the sieve plate to avoid clogging the mesh on the sieve plate.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a graphene production device with raw material pretreatment function, comprising a reactor, a grinding chamber arranged above the reactor, a rotating disk arranged inside the grinding chamber, two grinding rollers and two cleaning brushes fixedly connected to the outer wall of the rotating disk, a cross frame fixedly connected to the upper end face of the grinding chamber, a connecting frame arranged below the cross frame, a cylinder with its output end fixedly connected to the connecting frame mounted on the upper end face of the cross frame, a motor with its output end fixedly connected to the rotating disk mounted on the lower end face of the connecting frame, and a sieve plate located below the rotating disk detachably connected inside the grinding chamber.

[0007] In order to weigh the raw material into the aggregate tank, as a kind of graphene production equipment with raw material pretreatment function preferred of the utility model, the lower end surface of the grinding cavity is communicated with the shell, the bottom of the shell is installed with the weigher, the inside of the shell is installed with the aggregate tank located on the upper end surface of the weigher, the outer wall of the aggregate tank is installed with the blanking tube extending to the outside of the shell and being communicated with the reactor.

[0008] In order to improve the grinding efficiency of graphene raw material, as a kind of graphene production equipment with raw material pretreatment function preferred of the utility model, the outer wall of the grinding roller is fixedly connected with the lug.

[0009] In order to make the connecting frame move stably, as a kind of graphene production equipment with raw material pretreatment function preferred of the utility model, the lower end surface of the cross frame is fixedly connected with two positioning rods slidably connected with the connecting frame.

[0010] In order to facilitate the maintenance and cleaning of the inside of the shell and the grinding cavity, as a kind of graphene production equipment with raw material pretreatment function preferred of the utility model, the outer wall of the shell and the grinding cavity is provided with the door, and the upper end surface of the grinding cavity is in the open structure.

[0011] In order to control the normal work of the cylinder, the motor and the weigher, as a kind of graphene production equipment with raw material pretreatment function preferred of the utility model, the outer wall of the grinding cavity and the reactor is fixedly connected with the support, the outer wall of the support is installed with the controller, and the cylinder, the motor and the weigher are electrically connected with the controller.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model uses, first, the graphene raw material to be ground is placed on the sieve plate in the grinding cavity, then the grinding roller is rotated to grind the graphene raw material on the upper end surface of the sieve plate, and the distance between the grinding roller and the sieve plate is adjusted to make the grinding structure suitable for graphene raw materials of different sizes, thereby improving the grinding efficiency, ensuring that the graphite raw material can be uniformly and fully contacted with the subsequent additive or reaction medium, and improving the reaction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall structure schematic view of the utility model;

[0015] Fig. 2 It is the overhead structure schematic view of the rotating disc of the utility model;

[0016] Fig. 3 It is the structure schematic view of the grinding cavity of the utility model.

[0017] In the figure: 1, reactor; 101, support; 2, grinding cavity; 201, rotating disc; 202, grinding roller; 203, cleaning brush; 204, motor; 205, connecting frame; 206, air cylinder; 207, positioning rod; 208, sieve plate; 3, shell; 301, weigher; 302, material collecting box; 303, feeding pipe; 4, controller. DETAILED DESCRIPTION

[0018] Please refer to Figs. 1 to 3 The graphene production equipment with raw material pretreatment function comprises a reactor 1, an upper portion of the reactor 1 is provided with a grinding cavity 2, an inner portion of the grinding cavity 2 is provided with a rotating disc 201, outer walls of the rotating disc 201 are rotationally connected with two grinding rollers 202 and two cleaning brushes 203 fixedly connected, an upper end face of the grinding cavity 2 is fixedly connected with a cross frame, a lower portion of the cross frame is provided with a connecting frame 205, an upper end face of the cross frame is installed with an air cylinder 206 with an output end fixedly connected with the connecting frame 205, a lower end face of the connecting frame 205 is installed with a motor 204 with an output end fixedly connected with the rotating disc 201, an inner portion of the grinding cavity 2 is detachably connected with a sieve plate 208 located below the rotating disc 201.

[0019] In the embodiment: the graphene raw material to be ground is placed on the sieve plate 208 in the grinding cavity 2, then the air cylinder 206 is started according to the size of the graphene raw material, the air cylinder 206 pushes the connecting frame 205 to move downward, so that the connecting frame 205 pushes the motor 204 and the rotating disc 201 to move downward, and then the grinding roller 202 and the cleaning brush 203 can move downward until the grinding roller 202 contacts the graphene raw material again; the motor 204 is started, the motor 204 drives the rotating disc 201 to rotate to grind the graphene raw material on the upper end face of the sieve plate 208, and when the large graphene raw material is ground into small pieces, the air cylinder 206 pushes the connecting frame 205, the motor 204 and the rotating disc 201 to move downward until the grinding roller 202 contacts the small graphene raw material, so that the small graphene raw material can be ground again by the grinding roller 202, the qualified raw material falls through the mesh holes on the sieve plate 208, so that the grinding structure can be suitable for graphene raw materials of different sizes by adjusting the distance between the grinding roller 202 and the sieve plate 208, the grinding efficiency is improved, the graphene raw material can be uniformly and sufficiently contacted with the subsequent additive or reaction medium, the reaction efficiency is improved, and the cleaning brush 203 is rotated by the rotation of the rotating disc 201, the cleaning brush 203 moves downward and contacts the sieve plate 208, the graphene raw material adhered to the upper end face of the sieve plate 208 is scraped off by the cleaning brush 203, and the mesh holes on the sieve plate 208 are prevented from being blocked.

[0020] As a technical optimization scheme of the utility model, the lower end surface of the grinding cavity 2 is communicated with a shell 3, a weighing device 301 is installed at the bottom of the shell 3, a material collecting box 302 is installed at the upper end surface of the weighing device 301 in the shell 3, and a discharging pipe 303 extending to the outside of the shell 3 and communicated with the reactor 1 is installed on the outer wall of the material collecting box 302.

[0021] In the embodiment, the ground graphene raw material falls into the material collecting box 302 for collection, the weighing device 301 is used for weighing and quantifying the raw material entering the material collecting box 302, and the raw material in the material collecting box 302 can be pumped into the reactor 1 through the pump body on the outer wall of the discharging pipe 303.

[0022] As a technical optimization scheme of the utility model, the outer wall of the grinding roller 202 is fixedly connected with a protruding block.

[0023] In the embodiment, the protruding block can further improve the grinding efficiency of the graphene raw material.

[0024] As a technical optimization scheme of the utility model, the lower end surface of the horizontal frame is fixedly connected with two positioning rods 207 slidably connected with the connecting frame 205.

[0025] In the embodiment, the positioning rod 207 can stably move the connecting frame 205.

[0026] As a technical optimization scheme of the utility model, the outer walls of the shell 3 and the grinding cavity 2 are provided with a box door, and the upper end surface of the grinding cavity 2 is in an open structure.

[0027] In the embodiment, the inside of the shell 3 and the grinding cavity 2 can be maintained and cleaned by opening the box door.

[0028] As a technical optimization scheme of the utility model, the outer walls of the grinding cavity 2 and the reactor 1 are fixedly connected with a support 101, a controller 4 is installed on the outer wall of the support 101, and the air cylinder 206, the motor 204 and the weighing device 301 are electrically connected with the controller 4.

[0029] In the embodiment, the controller 4 is used for controlling the normal work of the air cylinder 206, the motor 204 and the weighing device 301.

[0030] Working principle: firstly, the graphene raw material to be ground is placed on the sieve plate 208 in the grinding cavity 2, then the air cylinder 206 is started according to the size of the graphene raw material, the air cylinder 206 drives the connecting frame 205 to move downward, so that the connecting frame 205 drives the motor 204 and the rotating disc 201 to move downward, and then the grinding roller 202 and the cleaning brush 203 can move downward until the grinding roller 202 contacts the graphene raw material; the motor 204 is started, the motor 204 drives the rotating disc 201 to rotate to grind the graphene raw material on the upper end surface of the sieve plate 208, and as the large graphene raw material is ground into small pieces, the air cylinder 206 drives the connecting frame 205, the motor 204 and the rotating disc 201 to move downward until the grinding roller 202 contacts the small graphene raw material again, so that the small graphene raw material can be ground again by the grinding roller 202, and the qualified raw material can fall through the mesh holes on the sieve plate 208, so that the grinding structure can be suitable for graphene raw materials of different sizes by adjusting the distance between the grinding roller 202 and the sieve plate 208, and the grinding efficiency is improved; and as the rotating disc 201 rotates, the cleaning brush 203 can be driven to rotate and move downward to contact the sieve plate 208, the graphene raw material adhered to the upper end surface of the sieve plate 208 is scraped off by the cleaning brush 203, the ground graphene raw material falls into the material collecting box 302, the raw material entering the material collecting box 302 is weighed by the weighing device 301, and the raw material in the material collecting box 302 can be pumped out to the reactor 1 through the pump body on the outer wall of the discharge pipe 303 for reaction.

[0031] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A graphene production apparatus having a raw material pretreatment function, comprising a reactor (1), characterized in that: A grinding chamber (2) is provided above the reactor (1). A rotating disk (201) is provided inside the grinding chamber (2). Two grinding rollers (202) and two cleaning brushes (203) are rotatably connected to the outer wall of the rotating disk (201). A cross frame is fixedly connected to the upper end face of the grinding chamber (2). A connecting frame (205) is provided below the cross frame. A cylinder (206) with its output end fixedly connected to the connecting frame (205) is installed on the upper end face of the cross frame. A motor (204) with its output end fixedly connected to the rotating disk (201) is installed on the lower end face of the connecting frame (205). A sieve plate (208) located below the rotating disk (201) is detachably connected inside the grinding chamber (2).

2. The graphene production apparatus having a raw material pretreatment function according to claim 1, characterized in that: The lower end face of the grinding chamber (2) is connected to the shell (3). A weighing device (301) is installed at the bottom inside the shell (3). A collection box (302) located on the upper end face of the weighing device (301) is installed inside the shell (3). A discharge pipe (303) extending to the outside of the shell (3) and connected to the reactor (1) is installed on the outer wall of the collection box (302).

3. The graphene production apparatus having a raw material pretreatment function according to claim 1, characterized in that: The outer wall of the grinding roller (202) is fixedly connected with protrusions.

4. The graphene production apparatus having a raw material pretreatment function according to claim 1, characterized in that: Two positioning rods (207) that are slidably connected to the connecting frame (205) are fixedly connected to the lower end face of the cross frame.

5. The graphene production apparatus having a raw material pretreatment function according to claim 2, characterized in that: The outer walls of the shell (3) and the grinding chamber (2) are provided with doors, and the upper end face of the grinding chamber (2) has an open structure.

6. The graphene production apparatus having a raw material pretreatment function according to claim 2, characterized in that: The grinding chamber (2) and the outer wall of the reactor (1) are fixedly connected to a support (101), and a controller (4) is installed on the outer wall of the support (101). The cylinder (206), the motor (204) and the weighing device (301) are all electrically connected to the controller (4).

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