A graphene and carbon fiber coil production line
By designing a graphene and carbon fiber coil production line containing multiple equipment, the problem of only single-thick coils in the prior art can be solved, and the production of multiple-thick coils is achieved, reducing costs and improving production efficiency.
Patent Information
- Application Number
- CN202420866574.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing coil production lines can only produce coils of a single thickness. If coils of multiple thicknesses need to be produced, multiple production lines need to be formed, which covers a large area and is costly and needs to be improved.
A roll production line of graphene and carbon fiber is designed, including powder mixing bins, powder laying mechanisms, pre-pressing devices, mesh lamination mechanisms, coarse pressure systems, precision pressure systems, low-temperature carbonization furnaces, high-temperature carbonization furnaces and graphitization furnaces. Through the combination of these equipment, the production of rolls of various thicknesses can be realized.
It realizes flexible adjustment of coil thickness without the need for additional production lines, reducing costs and improving production efficiency.
Smart Images
Figure CN222715266U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of coil production equipment, in particular to a graphene and carbon fiber coil production line. Background Art
[0002] After the graphene and carbon fiber powders are mixed, they can be pressed and graphitized to make graphene rolls, and the thermal conductivity and structural stability of the rolls can be improved.
[0003] The existing coil production lines can usually only produce coils of a single thickness. If coils of multiple thicknesses need to be produced, multiple coil production lines are often required, which occupy a large area and have high production costs, and need to be improved. Utility Model Content
[0004] The purpose of the utility model is to provide a graphene and carbon fiber coil production line, which can produce coils of various thicknesses, improve the convenience of thickness adjustment and production efficiency, and reduce costs.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] A graphene and carbon fiber coil production line comprises a powder mixing bin, a powder spreading mechanism, a pre-pressing device, a mesh laying and laminating mechanism, a rough pressing system, a fine pressing system, a low-temperature carbonization furnace, a high-temperature carbonization furnace and a graphitization furnace which are arranged in sequence from front to back, wherein the pre-pressing device is provided with a pre-pressing roller, the rough pressing system is provided with a plurality of rough pressing rollers at intervals, the fine pressing system is provided with a plurality of fine pressing rollers at intervals, the low-temperature carbonization furnace is provided with a first carbonization zone, a second carbonization zone and a third carbonization zone, and the temperatures in the first carbonization zone, the second carbonization zone and the third carbonization zone are increased gradually.
[0007] Wherein, a grid pattern is arranged on the outer circle of the pre-pressing roller.
[0008] Wherein, the pressure of the pre-pressing device is set to 0.1-100 MPa.
[0009] The temperature of the first carbonization zone is set to 200-400°C, the temperature of the second carbonization zone is set to 400-600°C, and the temperature of the third carbonization zone is set to 600-800°C.
[0010] Wherein, the gap between the rough pressing rollers is 0.1-500 mm, and the gap between the fine pressing rollers is 0.1-500 mm.
[0011] Wherein, a winding mechanism is arranged behind the graphitization furnace.
[0012] The beneficial effects of the utility model include: a graphene and carbon fiber coil production line, which first mixes and temporarily stores the raw materials through a powder mixing bin, then spreads the powder through a powder spreading mechanism, and then pre-presses using a pre-pressing device to form a pre-pressed film with a grid, and the pre-pressed film is stacked back and forth by a grid-laying laminating mechanism to obtain a laminated film of target thickness, and then rough pressing, fine pressing, carbonization and graphitization treatment are performed to obtain a coil of corresponding thickness, the thickness of the coil can be flexibly adjusted, and no additional production line needs to be set up, which reduces costs and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0014] Combine the following Figure 1 The technical solution of the utility model is further illustrated by specific embodiments.
[0015] like Figure 1 The graphene and carbon fiber coil production line shown includes: a powder mixing bin 1, a powder spreading mechanism 2, a pre-pressing device 3, a web laying and laminating mechanism 4, a rough pressing system 5, a fine pressing system 6, a low-temperature carbonization furnace 7, a high-temperature carbonization furnace 8 and a graphitization furnace 9. Each device is closely connected and easy to operate. First, the graphene and carbon fiber raw materials are mixed and temporarily stored in the powder mixing bin 1. The raw materials in the powder mixing bin 1 can be sent to the powder spreading mechanism 2 through a conveyor, and then the powder spreading mechanism 2 is used for flat powder spreading.
[0016] A pre-pressing roller is provided in the pre-pressing device 3, and the pressure of the pre-pressing device 3 is set to 0.1-100 MPa, which is flexible to adjust. The pre-pressing device 3 is used to perform pre-pressing after spreading the powder to form a pre-pressed film. In this embodiment, a grid pattern is provided on the outer circle of the pre-pressing roller to form a micro grid structure on the pre-pressed film.
[0017] In order to obtain a coil of target thickness, it is necessary to lay a corresponding number of layers of mesh, and the pre-pressed film is stacked back and forth through the mesh laying and laminating mechanism 4 to obtain a laminated film of target thickness. In this embodiment, the lamination thickness is adjustable online between 0.1 and 1000 mm, which greatly improves the flexibility of adjusting the coil thickness.
[0018] In the rough pressing system 5, several rough pressing rollers are arranged at intervals to perform rough pressing of the laminated film. In this embodiment, the gap between the rough pressing rollers is 0.1 to 500 mm, and the laminated film is gradient pressed to 0 to 0.5 g / cm 3 density.
[0019] Several embossing rollers are arranged at intervals in the embossing system 6. In this embodiment, the gap between the embossing rollers is 0.1 to 500 mm, which can be adjusted accordingly. The embossing rollers are used to calender the laminated film after rough pressing to a gradient of 0.1 to 2 g / cm 3 density.
[0020] In order to perform carbonization treatment, the low-temperature carbonization furnace 7 is provided with a first carbonization zone, a second carbonization zone and a third carbonization zone, and the temperature in the first carbonization zone, the second carbonization zone and the third carbonization zone is gradually increased. In this embodiment, the temperature of the first carbonization zone is set to 200-400°C, the temperature of the second carbonization zone is set to 400-600°C, and the temperature of the third carbonization zone is set to 600-800°C, and the temperature is gradually increased, and then high-temperature carbonization treatment and graphitization treatment are performed to obtain a coiled material composited with graphene and carbon fiber.
[0021] like Figure 1 As shown, a winding mechanism 10 is disposed behind the graphitization furnace 9 , and the coil is wound by the winding mechanism 10 .
[0022] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.
Claims
1. A graphene and carbon fiber coil production line, characterized in that: The invention comprises a powder mixing bin, a powder spreading mechanism, a pre-pressing device, a mesh laying and laminating mechanism, a rough pressing system, a fine pressing system, a low-temperature carbonization furnace, a high-temperature carbonization furnace and a graphitization furnace, which are arranged in sequence from front to back. The pre-pressing device is provided with a pre-pressing roller, the rough pressing system is provided with a plurality of rough pressing rollers at intervals, the fine pressing system is provided with a plurality of fine pressing rollers at intervals, the low-temperature carbonization furnace is provided with a first carbonization zone, a second carbonization zone and a third carbonization zone, and the temperatures in the first carbonization zone, the second carbonization zone and the third carbonization zone are increased gradually.
2. The graphene and carbon fiber coil production line according to claim 1, characterized in that: The outer circle of the pre-pressing roller is provided with grid patterns.
3. The graphene and carbon fiber coil production line according to claim 1, characterized in that: The gap between the roughing rollers is 0.1-500 mm, and the gap between the fine pressing rollers is 0.1-500 mm.
4. The graphene and carbon fiber coil production line according to claim 1, characterized in that: A winding mechanism is arranged behind the graphitization furnace.