Hot air device for preparing graphene heat-conducting film
By designing a hot air device including a vent pipe and a air guide plate, the problems of long drying and uneven temperature of large humidity slurry in the production of graphene thermal film are solved, and fast, flexible, uniform heating and energy-saving are achieved. Effect, adapt to film forming of different sizes and specifications.
Patent Information
- Application Number
- CN202421138375.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-23
AI Technical Summary
In the existing graphene thermal film production process, drying slurry with high humidity takes a long time and the temperature is uneven, resulting in the drying film being prone to cracking and the film size is fixed, which cannot meet the flexible market demand.
A hot air device including a vent pipe and multiple air guide plates is designed. The air outlet part of the vent pipe is divided into multiple layers of channels by the spacer plate. The air guide plate and the spacer plate are arranged at a certain angle. The support ribs are fixed by welding, and the filter net is Connect to the upper pressure cover by snaps or screws to achieve even distribution and heating of hot air.
It realizes rapid, flexible and even heating of graphene slurry, saves energy consumption, prevents film cracking, and adapts to film molding of different sizes and specifications to meet market demand.
Smart Images

Figure CN222317614U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a hot air device, in particular to a hot air device for preparing a graphene thermally conductive film, which has a simple structure, is easy to manufacture, can quickly, flexibly and evenly heat a graphene slurry thermally conductive film, and saves energy consumption. Background Art
[0002] Regarding the production and manufacturing process of graphene thermal conductive film: When the graphene thermal conductive film is produced and formed, the slurry with relatively high humidity needs to be evenly dried to ensure that the heating temperature is uniform, so as to obtain a better dry thermal conductive film without cracks. The existing technology is that after the graphene thermal conductive film slurry is formed, it is placed in a special oven for drying, and finally a dry thermal conductive film is formed. The oven drying time is long, the film size is small, and the position is fixed. The hot air device for preparing the graphene thermal conductive film proposed in the utility model can solve this problem. Utility Model Content
[0003] In view of the above problems, the main purpose of the utility model is to provide a hot air device for preparing graphene thermal conductive film which has a simple structure, is easy to manufacture, can quickly, flexibly and evenly heat the graphene slurry thermal conductive film, and saves energy.
[0004] The utility model solves the above technical problems through the following technical solutions: a hot air device for preparing a graphene thermally conductive film, the hot air device for preparing a graphene thermally conductive film comprising: a vent pipe and a plurality of air guide plates.
[0005] The vent pipe comprises a vent pipe body and an air outlet portion of the vent pipe. The air outlet portion of the vent pipe is a multi-layer air outlet channel divided by a plurality of partition plates. The plurality of partition plates are arranged so as to shrink inwards from the ventilation inlet to the outlet.
[0006] One end of the air guide plate is fixed on the supporting rib, and the other end is fixed on the partition plate. The supporting rib is fixed on the air outlet part of the ventilation pipe. A filter screen and an upper pressure cover are arranged outside the air outlet part in sequence. The upper pressure cover is provided with ventilation holes.
[0007] The air guide plate and the partition plate are arranged at a certain angle.
[0008] In a specific implementation example of the present utility model, the angle between the air guide plate and the partition plate ranges from 10 to 60 degrees.
[0009] In a specific implementation example of the utility model, the support ribs and the air guide plate are fixed together by welding.
[0010] In a specific implementation example of the present utility model, the support ribs are arc-shaped support ribs.
[0011] In a specific implementation example of the utility model, a limit block is arranged on the main body of the vent pipe, and a connecting flange is arranged on the air inlet of the main body of the vent pipe.
[0012] In a specific implementation example of the present utility model, the limit block and the ventilation pipe body are connected together by welding, or the two are integrally formed.
[0013] In a specific implementation example of the utility model, the upper pressure cover is fixed to the air outlet part by means of a snap connection or a screw connection.
[0014] In a specific implementation example of the present utility model, the filter screen is fixed to the air outlet part by means of a snap connection or a screw connection.
[0015] In a specific implementation example of the present utility model, the interior of the heat pipe is divided into three layers of air outlet channels by partition plates, the partition plates include a first partition plate and a second partition plate; the support ribs include a first support rib and a second support rib; the air guide plates include a first air guide plate, a second air guide plate, and a third air guide plate.
[0016] In a specific implementation example of the present utility model, the ventilation holes arranged on the upper pressure cover are a plurality of strip-shaped ventilation holes.
[0017] The positive progressive effect of the utility model is that the hot air device for preparing the graphene thermal conductive film proposed by the utility model can quickly, flexibly and evenly heat the graphene slurry thermal conductive film, save energy consumption, prevent the film from cracking, and the size of the formed film can be large or small; it is convenient for the graphene film to have a wider range of specifications and better meet the market product needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0019] Figure 2 It is the right view of the utility model.
[0020] Figure 3 for Figure 2 FF cross-sectional view.
[0021] The following are the names corresponding to the label numbers in this utility model:
[0022] Ventilation pipe 1, air guide plate 2, partition plate 3, filter screen 4, upper pressure cover 5, connecting flange 6, supporting rib 7, limit block 8;
[0023] The vent pipe body part 101 and the vent pipe outlet part 102;
[0024] A first air guide plate 201, a second air guide plate 202, and a third air guide plate 203;
[0025] A first partition plate 301 and a second partition plate 302;
[0026] Ventilation holes 501;
[0027] First supporting rib 701 and second supporting rib 702 . DETAILED DESCRIPTION
[0028] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to illustrate the technical solution of the present invention in detail.
[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model. Figure 2 It is the right view of the utility model. Figure 3 for Figure 2 FF cross-sectional view. Figure 1-3 As shown: the hot air device for preparing graphene thermal conductive film proposed in the utility model comprises: a vent pipe 1 and a plurality of air guide plates 2; the vent pipe 1 comprises a vent pipe main body portion 101 and an air outlet portion 102 of the vent pipe, the air outlet portion 102 of the vent pipe is a multi-layer air outlet channel divided by a plurality of partition plates 3, and the arrangement position of the plurality of partition plates 3 is inwardly contracted in sequence from the ventilation inlet to the outlet.
[0030] One end of the air guide plate 2 is fixed on the supporting rib 7, and the other end is fixed on the partition plate 3. The supporting rib 7 is fixed on the air outlet part 102 of the ventilation pipe. The filter screen 4 and the upper pressure cover 5 are arranged in sequence outside the air outlet part 102. The upper pressure cover 5 is provided with ventilation holes 501. The air guide plate 2 and the partition plate 3 are arranged at a certain angle. In the specific implementation process, the angle range between the air guide plate 2 and the partition plate 3 can be: 10-60 degrees.
[0031] In the specific implementation process, the interior of the heat pipe is divided into three layers of air outlet channels by the partition plate, the partition plate 3 includes a first partition plate 301 and a second partition plate 302; the support rib 7 includes a first support rib 701 and a second support rib 702; the air guide plate 2 includes a first air guide plate 201, a second air guide plate 202, and a third air guide plate 203 (see Figure 1 ).
[0032] In a specific implementation process, the support ribs 7 and the air guide plate 2 in the present invention can be fixed together by welding.
[0033] In the specific implementation process, the support rib 7 can be Figure 1 The curved support ribs shown in FIG.
[0034] The vent body 101 of the utility model is provided with a limit block 8, and the air inlet of the vent body 101 is provided with a connecting flange 9. The limit block 8 and the vent body 101 are connected together by welding, or the two are integrally formed.
[0035] The upper pressure cover 5 in the present invention is fixed to the air outlet portion 102 by means of a buckle connection or a screw connection, and the filter screen 4 is fixed to the air outlet portion 102 by means of a buckle connection or a screw connection.
[0036] In a specific implementation process, the ventilation holes 501 provided on the upper pressure cover 5 in the present invention are a plurality of strip-shaped ventilation holes, and may also be ventilation holes of other shapes.
[0037] In the specific application of the utility model, the hot air system connection flange is connected to the purchased hot air blower, and the hot air blown out by the hot air blower is transmitted through the flange connection through the heat conduction pipe. The interior of the heat conduction pipe is divided into three layers of space channels of equal area in upper, middle and lower layers by the partition plate. The separated hot air is evenly blown along the air guide plate to the slurry graphene with excessive humidity. With the heating over time, the dried graphene film is gradually formed.
[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A hot air device for preparing a graphene thermally conductive film, characterized in that: The hot air device for preparing the graphene thermal conductive film comprises: a vent pipe and a plurality of air guide plates; The vent pipe includes a vent pipe body and an air outlet portion of the vent pipe. The air outlet portion of the vent pipe is a multi-layer air outlet channel divided by a plurality of partition plates. The plurality of partition plates are arranged so as to shrink inwards from the ventilation inlet to the outlet. One end of the air guide plate is fixed on the supporting rib, and the other end is fixed on the partition plate. The supporting rib is fixed on the air outlet part of the vent pipe. A filter screen and an upper pressure cover are arranged outside the air outlet part in sequence. The upper pressure cover is provided with ventilation holes. The air guide plate and the partition plate are arranged at a certain angle.
2. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The angle between the air guide plate and the partition plate ranges from 10 to 60 degrees.
3. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The supporting ribs and the air guide plate are fixed together by welding.
4. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The supporting ribs are arc-shaped supporting ribs.
5. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: A limit block is arranged on the main body of the vent pipe, and a connecting flange is arranged on the air inlet of the main body of the vent pipe.
6. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The limiting block and the main body of the vent pipe are connected together by welding, or the two are integrally formed.
7. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The upper pressure cover is fixed on the air outlet part by means of a snap connection or a screw connection.
8. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The filter screen is fixed on the air outlet part by means of a snap connection or a screw connection.
9. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The interior of the heat pipe is divided into three layers of air outlet channels by partition plates, the partition plates include a first partition plate and a second partition plate; the support ribs include a first support rib and a second support rib; the air guide plates include a first air guide plate, a second air guide plate, and a third air guide plate.
10. The hot air device for preparing a graphene thermally conductive film according to claim 1, characterized in that: The ventilation holes arranged on the upper pressure cover are a plurality of strip-shaped ventilation holes.