Carbon fiber felt graphitization and activation integrated furnace

Abstract

The invention discloses a carbon fiber felt graphitization and activation integrated furnace which comprises a feeding device, a graphitization section, a transition section, an activation section, a cooling section and a receiving device which are arranged in sequence, the transition section comprises a transition section furnace body, and the two ends of the transition section furnace body are connected with the graphitization section and the activation section in a sealed mode respectively; a plurality of first check curtains which are arranged at intervals in the length direction of the transition section furnace body are arranged in the transition section furnace body, and a transition section gas inlet channel used for introducing inert gas into the transition section furnace body is arranged between every two adjacent first check curtains. The carbon fiber felt graphitization and activation integrated furnace has the advantages of being simple and compact in structure, low in energy consumption, high in production efficiency, low in filament breaking rate and capable of achieving graphitization and activation integrated production.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat treatment equipment, in particular to a carbon fiber felt graphitization and activation integrated furnace. BACKGROUND

[0002] Graphitization and activation are two important steps in the production process of carbon fiber felt. In the traditional process, graphitization (2000-3000℃, nitrogen / argon) and activation (800-950℃ water vapor / 900-1100℃ carbon dioxide) need to be processed by two devices respectively.

[0003] If intermittent furnaces are selected for processing, intermittent furnaces are intermittent cycle production for loading, heating, constant temperature, cooling, unloading, handling and other processes. The carbon fiber needs to be loaded into the intermittent graphite furnace first, then the device is heated to the graphitization temperature, and after graphitization treatment, the device is cooled down. Then the carbon fiber felt is moved to another intermittent furnace for activation and repeated similar processes. The process needs to repeat the temperature rise and fall of the two intermittent furnaces, which will cause a lot of heat loss, and the loading and unloading and handling processes need manual participation, which is low in efficiency and will consume a lot of time.

[0004] If continuous furnaces are selected for processing, there is a graphitization winding and activation unwinding between the two processes of graphitization and activation. During the winding and unwinding process, the carbon fiber needs to be cooled to room temperature first, and cannot be directly activated at the temperature from graphitization to activation. There is heat loss. In order to ensure that the carbon fiber can be reduced from the high temperature of graphitization to room temperature during the winding and unwinding process, the continuous graphitization furnace needs to be designed with a longer cooling zone. In addition, the winding and unwinding devices between the two devices will occupy the plant space, and the arrangement of the equipment in the plant will be easily limited, and the structure is not compact enough to waste the plant space. And the two processes of graphitization and activation are processed by two devices, which needs to be wound and unwound twice. The repeated winding and unwinding process will cause the traction and pulling of the carbon fiber, which will increase the filament breakage rate of the product.

[0005] A Chinese patent document with publication number CN114906845A discloses a continuous carbonization and graphitization system for producing graphite felt. The system combines the carbonization section and the graphitization furnace section through the setting of three gates, realizing the integrated production of carbonization and graphitization. During the carbonization and graphitization process, inert gas is introduced into both the carbonization section and the graphitization section. Therefore, during the continuous production of carbonization and graphitization, the three gates are opened, the gas in the carbonization section and the graphitization furnace section can communicate, and the carbon fiber felt can pass through. Since oxygen needs to be introduced during the empty burning of the carbonization section, the three gates are only closed when the carbonization section is cleaned to prevent oxygen from entering the graphitization section and causing oxidation damage to the insulation materials, hot field, and graphite conveying system of the graphitization section. During the graphitization and activation process of the carbon fiber felt, inert gas needs to be introduced into the graphitization section, and water vapor and carbon dioxide gas need to be introduced into the activation section. Therefore, during the continuous production of graphitization and activation, the gas in the graphitization section and the activation section cannot communicate, but the carbon fiber felt can pass through. Therefore, this equipment cannot be directly used for integrated production of graphitization and activation. SUMMARY

[0006] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art and provide a carbon fiber felt graphitization and activation integrated furnace with simple and compact structure, low energy consumption, high production efficiency, low filament breakage rate, and the ability to realize integrated production of graphitization and activation.

[0007] To solve the above technical problems, the present application adopts the following technical solutions: A carbon fiber felt graphitization and activation integrated furnace includes, in sequence, a feeding device, a graphitization section, a transition section, an activation section, a cooling section, and a material collecting device. The transition section includes a transition section furnace body, the two ends of the transition section furnace body are sealingly connected with the graphitization section and the activation section, respectively, a plurality of first curtains are arranged in the transition section furnace body along the length direction of the transition section furnace body, and a transition section gas inlet channel for introducing inert gas into the transition section furnace body is arranged between any two adjacent first curtains.

[0008] As a further improvement of the above technical solution: The transition section furnace body further includes a transition section conveying assembly, one end of the first curtain is suspended at the top of the hearth of the transition section furnace body, and the other end of the first curtain is lowered to contact the transition section conveying assembly.

[0009] The transition section conveying assembly includes a corundum plate, and the gas outlet of the transition section gas inlet channel is located below the corundum plate.

[0010] The first curtain close to the graphitization section is made of graphite soft felt, and the first curtain close to the activation section is made of alumina fiber needle punching felt.

[0011] The graphitization section comprises a graphitization section furnace body, a graphitization section conveying assembly is arranged in the graphitization section furnace body, and a graphitization section heating assembly is arranged above and below the graphitization section conveying assembly.

[0012] The activation section comprises an activation section furnace body, an activation section conveying assembly is arranged in the activation section furnace body, and an activation section heating assembly is arranged above and below the activation section conveying assembly.

[0013] The activation section conveying assembly comprises a conveying roller, a driving assembly is arranged outside the activation section furnace body, and the driving assembly is connected with the conveying roller through the activation section furnace body.

[0014] The cooling section is sealingly connected with the activation section, the inlet of the graphitization section and the outlet of the cooling section are sealingly connected with cleaning bins respectively, a plurality of second curtains are hung on the inner wall top of the cleaning bin and are arranged at intervals along the length direction of the cleaning bin, and a cleaning bin gas inlet channel for introducing inert gas into the cleaning bin is arranged between two adjacent second curtains.

[0015] The carbon fiber felt graphitization and activation integrated furnace further comprises a pipeline system, the pipeline system comprises a first gas inlet pipe group, a second gas inlet pipe group and an exhaust pipe group, the first gas inlet pipe group is respectively communicated with the gas inlet channels of the graphitization section and the transition section, and is used for introducing inert gas into the graphitization section and the transition section furnace body, the second gas inlet pipe group is communicated with the activation section, and is used for introducing activation process gas into the activation section, and the exhaust pipe group is respectively communicated with the graphitization section and the activation section, and is used for exhausting waste gas in the graphitization section and the activation section.

[0016] The pipeline system further comprises a pressure control device, the pressure control device is used for adjusting the gas inlet amount of the first gas inlet pipe group and the second gas inlet pipe group and the air extraction amount of the exhaust pipe group according to the kiln pressure in the graphitization section, the transition section and the activation section.

[0017] Compared with the prior art, the present application has the following advantages: 1. The carbon fiber felt graphitization and activation integrated furnace of the present application, by setting the transition section, the carbon fiber felt can be directly reduced from the graphitization temperature to the activation temperature for activation treatment, without separate equipment for carbon fiber felt graphitization and activation, avoiding repeated cooling and heating, improving heat utilization rate, reducing energy consumption; the whole process only needs to perform a winding and unwinding action, can realize continuous production, high automation, save a lot of time, improve production efficiency, reduce the breakage rate; without going through the intermediate process of cooling, winding, handling, unwinding and heating, the graphitization section does not need to design a long cooling zone, and the activation section also does not need to design a repeated heating zone, the equipment temperature zone distribution is more compact and reasonable, and the equipment can also reduce a set of winding and unwinding device, the structure is simple, and a lot of factory space is saved; by setting multiple first curtains in the transition section, and by the transition section gas inlet channel, inert gas is introduced to form a gas curtain, under the double action of the first curtain and the gas curtain, the graphitization section and the activation section can be well isolated during the transmission of the carbon fiber felt, preventing internal high temperature oxidation of the graphitization section, achieving good isolation effect and realizing integrated production of graphitization and activation.

[0018] 2. The carbon fiber felt graphitization and activation integrated furnace of the present application, when the carbon fiber felt is conveyed, the carbon fiber felt is dragged to slide over the surface of the transition section furnace body, since the first curtain is lowered to contact the transition section conveying assembly, therefore, the lower end of the first curtain is always in contact with the carbon fiber felt during the conveying process, the isolation effect is better.

[0019] 3. The carbon fiber felt graphitization and activation integrated furnace of the present application, the inert gas is blown to the bottom of the corundum plate through the transition section gas inlet channel below the corundum plate, which can cool the carbon fiber felt on the corundum plate, facilitate the carbon fiber felt to adapt to the temperature of the activation section as soon as possible, the inert gas plays a dual role of isolation and cooling, and the inert gas can be fully utilized.

[0020] 4. The carbon fiber felt graphitization and activation integrated furnace of the present application, the graphite soft felt Mongolia isolates the high temperature of the graphitization section from the transition section, prevents the temperature in the transition section from being too high, the alumina fiber needle punching blanket has strong oxidation resistance and can prevent oxidation caused by contacting the reaction gas in the activation section.

[0021] 5. The carbon fiber felt graphitization and activation integrated furnace of the present application, by controlling the gas inlet and outlet amount through the pressure control device, the pressure in the transition section is always higher than that in the graphitization section and the activation section, and since no exhaust port is arranged in the transition section, the inert gas in the transition section can only flow out to the graphitization section and the activation section, thereby enhancing the isolation effect of the transition section. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a side view of the carbon fiber felt graphitization and activation integrated furnace of the present application.

[0023] Figure 2 This is a side sectional view of the graphitization section in the integrated furnace for graphitization and activation of carbon fiber felt according to the present invention.

[0024] Figure 3 This is a side sectional view of the transition section in the integrated furnace for graphitization and activation of carbon fiber felt according to the present invention.

[0025] Figure 4 This is a front cross-sectional view of the activation section in the integrated furnace for graphitization and activation of carbon fiber felt of the present invention.

[0026] Figure 5 This is a side sectional view of the cleaning chamber in the integrated furnace for graphitization and activation of carbon fiber felt according to the present invention.

[0027] The labels in the diagram represent: 1. Feeding device; 2. Graphitization section; 21. Graphitization section furnace body; 22. Graphitization section conveying assembly; 23. Graphitization section heating assembly; 3. Transition section; 31. Transition section furnace body; 32. First baffle curtain; 33. Transition section air inlet channel; 34. Transition section conveying assembly; 4. Activation section; 41. Activation section furnace body; 42. Activation section conveying assembly; 421. Conveyor roller; 43. Activation section heating assembly; 44. Drive assembly; 5. Cooling section; 6. Receiving device; 7. Piping system; 71. First air inlet pipe assembly; 72. Second air inlet pipe assembly; 73. Exhaust pipe assembly; 74. Pressure control device; 8. Cleaning chamber; 81. Second baffle curtain; 82. Cleaning chamber air inlet channel. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] In this invention, unless otherwise explicitly specified and limited, the terms "assembly," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0032] like Figures 1 to 5 As shown, the integrated carbon fiber felt graphitization and activation furnace of this embodiment includes a feeding device 1, a graphitization section 2, a transition section 3, an activation section 4, a cooling section 5, and a receiving device 6 arranged in sequence. The transition section 3 includes a transition section furnace body 31, and the two ends of the transition section furnace body 31 are respectively sealed and connected to the graphitization section 2 and the activation section 4. The transition section furnace body 31 is provided with a plurality of first baffles 32 arranged at intervals along the length direction of the transition section furnace body 31. A transition section air inlet channel 33 for introducing inert gas into the transition section furnace body 31 is provided between two adjacent first baffles 32.

[0033] In this embodiment of the integrated carbon fiber felt graphitization and activation furnace, during production, the feeding device 1 unwinds multiple layers of carbon fiber felt into a single layer, and the carbon fiber felt is conveyed by the traction of the rear receiving device 6. The carbon fiber felt continuously passes through the graphitization section 2, the transition section 3, the activation section 4, and the cooling section 5, and is finally wound up layer by layer by the end receiving device 6, thus completing the graphitization and activation process of the carbon fiber felt.

[0034] In this embodiment, the integrated graphitization and activation furnace for carbon fiber felt, through the inclusion of a transition section 3, allows the carbon fiber felt to be directly activated from the graphitization temperature to the activation temperature, eliminating the need for separate equipment for graphitization and activation. This avoids repeated cooling and heating, improves heat utilization, and reduces energy consumption. The entire process requires only one winding and unwinding action, enabling continuous production with a high degree of automation, saving significant time, improving production efficiency, and reducing fiber breakage. Since the intermediate processes of cooling, winding, handling, unwinding, and heating are eliminated, the graphitization section 2 does not need to be designed with a lengthy process. The cooling zone and activation section 4 do not require a repeating heating zone, resulting in a more compact and reasonable temperature distribution in the equipment. The equipment can also reduce one set of winding and unwinding devices, simplifying the structure and saving a significant amount of factory space. By setting multiple first curtains 32 in the transition section 3 and introducing inert gas through the transition section air inlet channel 33 to form an air curtain, the graphitization section 2 and activation section 4 can be effectively isolated during the carbon fiber felt conveying process. This prevents high-temperature oxidation inside the graphitization section 2, achieving good isolation and realizing integrated production of graphitization and activation.

[0035] Furthermore, in this embodiment, a transition section conveying assembly 34 is also provided inside the transition section furnace body 31. One end of the first baffle 32 is suspended from the top of the furnace chamber of the transition section furnace body 31, and the other end hangs down to contact the transition section conveying assembly 34. When the carbon fiber felt is conveyed, it is dragged and slides across the surface of the transition section furnace body 31 (specifically, the corundum plate). Since the first baffle 32 hangs down to contact the transition section conveying assembly 34, the lower end of the first baffle 32 is always in contact with the carbon fiber felt during the conveying process, resulting in better isolation.

[0036] Furthermore, in this embodiment, the transition section conveying assembly 34 includes a corundum plate, and the outlet of the transition section air inlet channel 33 is located below the corundum plate (not shown in the figure). The temperature of the transition section 3 is between the graphitization section 2 and the activation section 4, i.e., between 1100℃ and 2000℃. Since the transition section 3 is adjacent to the activation section 4, the transition section conveying assembly 34, which is close to the activation section 4, is at risk of oxidation. Therefore, corundum, which has a suitable melting point and is not easily oxidized, is selected as the material of the transition section conveying assembly 34, which is a reasonable design. The inert gas is blown to the bottom of the corundum plate through the transition section air inlet channel 33 below the corundum plate, which can cool down the carbon fiber felt on the corundum plate, making it easier for the carbon fiber felt to adapt to the temperature of the activation section 4 as soon as possible. The inert gas plays a dual role of isolation and cooling, and can make full use of the inert gas.

[0037] Preferably, in this embodiment, the transition section furnace body 31 is also provided with air outlets of the transition section air inlet channel 33 on both sides, so that the air curtain formed by the transition section air inlet channel 33 has a more comprehensive coverage and a better isolation effect.

[0038] Furthermore, in this embodiment, the first baffle 32 near the graphitization section 2 is made of graphite soft felt, and the first baffle 32 near the activation section 4 is made of alumina fiber needled blanket. The graphite soft felt effectively isolates the high temperature of the graphitization section 2 from radiating into the transition section 3, preventing the temperature in the transition section 3 from becoming too high. The alumina fiber needled blanket has strong oxidation resistance and can prevent oxidation caused by contact with the reaction gas in the activation section 4.

[0039] Furthermore, in this embodiment, the graphitization section 2 includes a graphitization section furnace body 21, within which a graphitization section conveying assembly 22 is provided. Graphitization section heating assemblies 23 are located above and below the graphitization section conveying assembly 22. A water-cooled jacket is provided around the outer periphery of the graphitization section furnace body 21 to effectively prevent the high temperature inside the furnace body 21 from being conducted outwards. An insulation layer is also provided on the inner side of the graphitization section furnace body 21. This insulation layer is constructed using a combination of graphite curing felt and graphite soft felt, providing good insulation and easy assembly. The graphitization section heating assembly 23 consists of copper electrodes, graphite heating elements, stainless steel electrodes, and a graphite protective sleeve. Water can be circulated inside the copper electrodes for cooling, and the graphite heating elements are distributed above and below the graphitization section conveying assembly 22 to ensure uniform heating. The graphitization section conveying assembly 22 consists of support columns, support blocks, guide rail plates, and guide rail strips. The support columns are erected within the insulation layer, with support blocks placed at their top. The guide rail plates are laid flat on the support blocks and connected to the guide rail strips via carbon bolts. Alternatively, in other embodiments, the graphitization section 2 can utilize an existing integrated carbonization and graphitization furnace body, resulting in a more compact process flow.

[0040] Furthermore, in this embodiment, the activation section 4 includes an activation section furnace body 41, within which an activation section conveying assembly 42 is provided. Activation section heating assemblies 43 are respectively provided above and below the activation section conveying assembly 42. An insulation layer is also provided on the inner side of the activation section furnace body 41. The insulation layer is made of refractory materials such as ceramic fiberboard and refractory bricks, which can effectively isolate the transfer of temperature from the furnace cavity to the outside of the furnace shell, preventing temperature loss within the furnace cavity. The activation section heating assemblies 43 use silicon carbide rods for electric heating. The silicon carbide rods are covered with ceramic sleeves and are evenly distributed above and below the activation section conveying assembly 42, allowing for independent temperature control above and below, ensuring uniform furnace temperature.

[0041] Furthermore, in this embodiment, the activation section conveying assembly 42 includes a conveying roller 421, and a driving assembly 44 is provided on the outside of the activation section furnace body 41. The driving assembly 44 passes through the activation section furnace body 41 and is connected to the conveying roller 421. The driving assembly 44 can provide power to cooperate with the receiving device 6 to convey the carbon fiber felt, preventing the carbon fiber felt from being offset or piled up in the furnace body due to excessive furnace length, thus improving the conveying effect. The driving assembly 44 includes a drive motor, a chain, a drive shaft, and a connecting sleeve. The drive motor is fixedly installed on the outside of the activation section furnace body 41, the chain is wound between the drive motor and the drive shaft, and the drive shaft is connected to the conveying roller 421 through the connecting sleeve, thereby realizing the rotation of the conveying roller 421 and assisting the receiving device 6 in conveying the carbon fiber felt.

[0042] Furthermore, in this embodiment, the cooling section 5 and the activation section 4 are sealed together. The inlet of the graphitization section 2 and the outlet of the cooling section 5 are respectively sealed together with a cleaning chamber 8. Multiple second baffles 81 are suspended from the top of the inner wall of the cleaning chamber 8, spaced apart along the length of the cleaning chamber 8. A cleaning chamber inlet channel 82 for introducing inert gas into the cleaning chamber 8 is provided between two adjacent second baffles 81. After the inert gas enters the cleaning chamber 8 through the cleaning chamber inlet channel 82, it forms an air curtain. Under the combined action of the second baffles 81 and the air curtain, outside air is prevented from entering the furnace, ensuring the furnace atmosphere.

[0043] Preferably, in this embodiment, the bottom of the cleaning chamber 8 is also provided with an adjustable base, so that the cleaning chamber 8 can adapt to the graphitization section furnace body 21 and the activation section furnace body 41 of different heights.

[0044] Preferably, in this embodiment, a stainless steel water-cooling jacket is provided in the cooling section 5. When the carbon fiber felt passes over the upper surface of the water-cooling jacket, it exchanges heat with the cooling water outside the jacket to achieve rapid cooling.

[0045] Furthermore, in this embodiment, the integrated carbon fiber felt graphitization and activation furnace also includes a piping system 7. The piping system 7 includes a first inlet pipe group 71, a second inlet pipe group 72, and an exhaust pipe group 73. The first inlet pipe group 71 is connected to the inlet channels 33 of the graphitization section 2 and the transition section, respectively, for introducing inert gas into the furnace body 31 of the graphitization section 2 and the transition section. The second inlet pipe group 72 is connected to the activation section 4, for introducing activation process gas into the activation section 4. The exhaust pipe group 73 is connected to the graphitization section 2 and the activation section 4, respectively, for discharging waste gas from the graphitization section 2 and the activation section 4. The first inlet pipe group 71 can supply inert gas to the graphitization section 2 and the transition section 3, eliminating the need for a separate inlet pipe group for the transition section 3, thus simplifying the structure.

[0046] Preferably, in this embodiment, the inert gas is N2 and the activating gas is CO2. Compared with the commonly used activation reaction gas water vapor, CO2 has a milder and more controllable activation process. At the same time, its higher activation temperature (CO2: 900℃~1100℃, water vapor: 800℃~950℃) can reduce the length requirement of the transition section 3, which is more in line with the integrated treatment of graphitization activation.

[0047] Furthermore, in this embodiment, the pipeline system 7 also includes a pressure control device 74. The pressure control device 74 is used to adjust the air intake volume of the first air intake pipe group 71 and the second air intake pipe group 72 and the exhaust volume of the exhaust pipe group 73 according to the kiln pressure in the graphitization section 2, the transition section 3 and the activation section 4. By controlling the air intake and exhaust volume through the pressure control device 74, the pressure in the transition section 3 is always higher than that in the graphitization section 2 and the activation section 4. And since no exhaust port is provided in the transition section 3, the inert gas in the transition section 3 can only flow and dissipate to the graphitization section 2 and the activation section 4, thereby enhancing the isolation effect of the transition section 3.

[0048] Preferably, in this embodiment, the feeding device 1 includes an unwinding trolley and an unwinding traction frame, and the receiving device 6 includes a receiving traction mechanism and a receiving drum. During production, 2-4 layers of carbon fiber felt are placed on the unwinding trolley and pushed to a designated area at the furnace head. The unwinding traction frame clamps the felt in place, and then the carbon fiber felt passes through the fixed rollers and traction shafts on the unwinding traction frame and enters the cleaning chamber 8 at the entrance of the graphitization section 2. Under the traction of the receiving traction mechanism at the furnace tail, the felt advances within the furnace. After graphitization and activation, the carbon fiber felt is cooled in the cooling section 5 and exits from the cleaning chamber 8 at the outlet of the cooling section 5. After being layered by the receiving traction mechanism, it is collected by the receiving drum. The receiving traction mechanism is also equipped with a tension detection device and a correction device, which can detect the magnitude of the tension on the felt and adjust the traction speed and preload of the receiving device 6 accordingly to prevent the felt from breaking or shifting.

[0049] Preferably, in this embodiment, the integrated furnace for graphitization and activation of carbon fiber felt also includes an electrical control system, which includes a temperature control module and a monitoring module, etc., to perform PID automatic temperature control and over-temperature alarm for the integrated furnace, thereby realizing the entire automated production.

[0050] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention using the methods and techniques disclosed above, or modify them into equivalent embodiments with equivalent changes, without departing from the spirit and technical essence of the present invention. Therefore, any simple modifications, equivalent substitutions, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solutions of the present invention shall still fall within the protection scope of the technical solutions of the present invention.

Claims

1. A carbon fiber felt graphitization and activation integrated furnace, characterized in that: The furnace includes a feeding device (1), a graphitization section (2), a transition section (3), an activation section (4), a cooling section (5), and a receiving device (6) arranged in sequence. The transition section (3) includes a transition section furnace body (31). The two ends of the transition section furnace body (31) are respectively sealed to the graphitization section (2) and the activation section (4). The transition section furnace body (31) is provided with a plurality of first baffles (32) arranged at intervals along the length of the transition section furnace body (31). A transition section air inlet channel (33) for introducing inert gas into the transition section furnace body (31) is provided between two adjacent first baffles (32).

2. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 1, characterized in that: The transition section furnace body (31) is also provided with a transition section conveying assembly (34). One end of the first baffle (32) is suspended from the top of the furnace chamber of the transition section furnace body (31), and the other end hangs down to contact the transition section conveying assembly (34).

3. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 2, characterized in that: The transition section conveying assembly (34) includes a corundum plate, and the outlet of the transition section air intake channel (33) is located below the corundum plate.

4. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 1, characterized in that: The first curtain (32) near the graphitization section (2) is made of graphite soft felt, and the first curtain (32) near the activation section (4) is made of alumina fiber needled blanket.

5. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 1, characterized in that: The graphitization section (2) includes a graphitization section furnace body (21), and a graphitization section conveying assembly (22) is provided inside the graphitization section furnace body (21). Graphitization section heating assemblies (23) are provided above and below the graphitization section conveying assembly (22).

6. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 1, characterized in that: The activation section (4) includes an activation section furnace body (41), an activation section conveying assembly (42) is provided inside the activation section furnace body (41), and activation section heating assemblies (43) are provided above and below the activation section conveying assembly (42).

7. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 6, characterized in that: The activation section conveying assembly (42) includes a conveying roller (421), and a driving assembly (44) is provided on the outside of the activation section furnace body (41). The driving assembly (44) passes through the activation section furnace body (41) and is connected to the conveying roller (421).

8. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 1, characterized in that: The cooling section (5) is sealed to the activation section (4). The inlet of the graphitization section (2) and the outlet of the cooling section (5) are respectively sealed to the cleaning chamber (8). Multiple second curtains (81) are suspended at intervals along the length of the cleaning chamber (8) on the top of the inner wall of the cleaning chamber (8). A cleaning chamber air inlet channel (82) for introducing inert gas into the cleaning chamber (8) is provided between two adjacent second curtains (81).

9. The integrated furnace for graphitization and activation of carbon fiber felt according to any one of claims 1 to 8, characterized in that: The integrated carbon fiber felt graphitization and activation furnace also includes a piping system (7), which includes a first air inlet pipe group (71), a second air inlet pipe group (72), and an exhaust pipe group (73). The first air inlet pipe group (71) is connected to the graphitization section (2) and the transition section air inlet channel (33) respectively, and is used to introduce inert gas into the graphitization section (2) and the transition section furnace body (31). The second air inlet pipe group (72) is connected to the activation section (4) and is used to introduce activation process gas into the activation section (4). The exhaust pipe group (73) is connected to the graphitization section (2) and the activation section (4) respectively, and is used to discharge the waste gas in the graphitization section (2) and the activation section (4).

10. The integrated furnace for graphitization and activation of carbon fiber felt according to claim 9, characterized in that: The pipeline system (7) also includes a pressure control device (74), which is used to adjust the air intake of the first air intake pipe group (71) and the second air intake pipe group (72) and the exhaust volume of the exhaust pipe group (73) according to the kiln pressure in the graphitization section (2), the transition section (3) and the activation section (4).

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