Rail mobile constant power supply continuous graphitization system and operation method

Abstract

The application discloses a track mobile constant-power power supply continuous graphitization system and an operation method, and relates to the field of graphitization system, which comprises a circulating conveying mechanism, a power receiving mechanism and a power supply mechanism, wherein the circulating conveying mechanism comprises a ring track and a plurality of moving trolleys; the power receiving mechanism comprises a plurality of clamps; and the power supply mechanism comprises a transformer, and the output end of the transformer is electrically connected with each clamp. The application has the beneficial effects that: the circulating conveying mechanism drives each graphitization furnace to pass through each heating area in turn, the heating target temperature of each heating area is different, the temperature gradually increases when the graphitization furnace passes through each heating area in turn, the heating power of the heating area with high heating target temperature is high, the heating power of the heating area with low heating target temperature is low, but the total heating power can be kept roughly stable because the power supply mechanism supplies power to the clamps of all the heating areas at the same time, so that the power demand in the heating process is more stable, the power utilization rate of the transformer is improved, and the production cost is reduced.

Description

Technical Field

[0001] This invention relates to the field of graphitization technology, specifically to a track-moving constant-power continuous graphitization system and its operation method. Background Technology

[0002] A graphitization furnace is a device used for high-temperature processing of carbon materials. It is mainly used for the sintering and graphitization of carbon materials, graphitization of PI films, graphitization of thermal conductive materials, sintering of carbon fiber ropes, sintering and graphitization of carbon fiber filaments, purification of graphite powder, and other materials that can be graphitized in a carbon environment.

[0003] Graphitization furnaces typically employ resistance heating. A resistance material is filled inside the furnace, and when electricity is applied, it heats up, thus heating the target material within the furnace. Because the resistivity of the resistance material decreases with increasing temperature, its temperature rises continuously during the heating process, leading to a gradual decrease in resistivity and consequently, a gradual increase in heating power. This results in a lower load on the power supply transformer during the initial heating phase and a higher load during the later stages, necessitating the purchase of a high-power transformer. Furthermore, the transformer's power utilization is low during the initial heating phase, increasing production costs. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned technical deficiencies and propose a track-moving constant power supply continuous graphitization system and operation method. This invention solves the technical problem that in the prior art, the transformer supplying power to the graphitization furnace has a low load in the early stage of heating and a very high load in the later stage of heating. Therefore, it is necessary to purchase a high-power transformer for power supply, and the power utilization rate of the transformer is not high in the early stage of heating, which increases the production cost.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0006] This invention provides a track-moving, constant-power continuous graphitization system, comprising:

[0007] A circulating conveying mechanism includes a circular track and several moving trolleys. Each of the moving trolleys can move along the circular track. Each of the moving trolleys is equipped with a graphitization furnace, and each of the graphitization furnaces is equipped with a temperature sensor.

[0008] An electrical connection mechanism, comprising a plurality of grippers arranged sequentially along the moving direction of the trolley, each gripper being used for electrical connection to a corresponding connector of a graphitization furnace; and,

[0009] A power supply mechanism, comprising a transformer, wherein the output terminal of the transformer is electrically connected to each of the clamps.

[0010] In some embodiments, the clamp includes a housing, two clamping assemblies, and an opening drive. The two clamping assemblies are respectively arranged on both sides of the housing. Each clamping assembly includes a mounting plate, an elastic element, and an electrode plate. The mounting plate is fixed in the housing. The two ends of the elastic element are respectively fixedly connected to the mounting plate and the electrode plate. The electrode plate is used to abut against a connector of a graphitization furnace. The opening drive is used to move the electrode plates of the two clamping assemblies away from each other.

[0011] In some embodiments, the mounting plate has two guide holes, and the clamping assembly further includes two guide rods, one end of which is fixed to the electrode plate, and the other end of which is slidably inserted into the two guide holes respectively.

[0012] In some embodiments, the opening drive includes an opening motor, a sleeve, and two pull ropes. The output shaft of the opening motor is coaxially and fixedly connected to the sleeve. One end of each of the two pull ropes is fixed and wound around the sleeve, and the other end of each pull rope is fixedly connected to the two electrode plates respectively.

[0013] In some embodiments, the opening drive member further includes a plurality of guide wheels, each guide wheel being rotatably disposed on the box body, and the pull rope being wound around each of the guide wheels in sequence.

[0014] In some embodiments, the power connection mechanism further includes a translation component, which includes a fixed base, a translation cylinder, and a connecting plate. The cylinder body of the translation cylinder is fixed to the fixed base, and the output shaft of the translation cylinder is fixedly connected to the connecting plate. The connecting plate is fixedly connected to each of the housings via several connecting rods.

[0015] In some embodiments, the fixed base is provided with a plurality of limiting holes, and the translation component further includes a plurality of limiting rods, which are slidably inserted into the limiting holes one by one, and the limiting rods are fixedly connected to the connecting plate.

[0016] In some embodiments, each of the clamps includes two first connectors, both of which are fixed to the housing and electrically connected to the two electrode plates via two first wires; the power connection mechanism further includes two second connectors, both of which are fixed to the connecting plate and electrically connected to the corresponding first connectors of each of the clamps via a plurality of second wires; the output terminal of the transformer is electrically connected to the two second connectors.

[0017] In some embodiments, the output terminal of the transformer is electrically connected to two second terminals via two third conductors.

[0018] This invention also provides an operation method for a track-moving constant-power continuous graphitization system, applicable to the aforementioned track-moving constant-power continuous graphitization system, and includes the following steps:

[0019] S1. Each mobile trolley moves synchronously on the circular track, thereby driving the graphitization furnace to pass through the loading station, heating station, cooling station and unloading station in sequence. Each mobile trolley stops once after moving one unit length, and the unit length is the distance between the midpoints of two adjacent graphitization furnaces.

[0020] S2. When any graphitization furnace moves to the charging station, charge the graphitization furnace.

[0021] S3. The heating station is divided into several heating zones, each with a preset target heating temperature. The target heating temperature of each heating zone increases sequentially along the direction of movement of the trolley. Each heating zone is equipped with a clamp. When any graphitization furnace moves to a certain heating zone, the clamp of that heating zone is electrically connected to the connector of the graphitization furnace. The temperature of the graphitization furnace is detected during heating. When the temperature reaches the target heating temperature, the connection between the clamp and the connector of the graphitization furnace is disconnected, and a movement request is issued at the same time. When the system detects that other stations meet the movement conditions, each trolley moves synchronously by one unit length, and the graphitization furnace moves to the next heating zone to continue heating. The power supply mechanism supplies power to the clamps of all heating zones at the same time.

[0022] S4. When any graphitization furnace moves to the cooling station, the graphitization furnace is cooled.

[0023] S5. When any graphitization furnace moves to the unloading station, unload the graphitization furnace.

[0024] Compared with the prior art, the beneficial effects of the track-moving constant power supply continuous graphitization system and operation method device provided by the present invention are as follows: the circulating conveying mechanism drives each graphitization furnace to pass through each heating zone in sequence. The heating target temperature of each heating zone is different. As the graphitization furnace passes through each heating zone in sequence, the temperature gradually increases. The heating power of the heating zone with a high heating target temperature is high, and the heating power of the heating zone with a low heating target temperature is low. However, since the power supply mechanism supplies power to the clamps of all heating zones at the same time, the total heating power can remain roughly stable after the system is running stably. This makes the power demand during the heating process more stable, improves the power utilization rate of the transformer, and reduces production costs. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a track-moving constant power supply continuous graphitization system provided in an embodiment of the present invention;

[0026] Figure 2 yes Figure 1 A schematic diagram of the power receiving and power supply mechanisms in the diagram;

[0027] Figure 3 yes Figure 1 A schematic diagram of the power connection mechanism in the diagram;

[0028] Figure 4 yes Figure 3 A schematic diagram of the structure of a clamp in a device;

[0029] Figure 5 yes Figure 4 A magnified view of a portion of region A in the middle;

[0030] Explanation of reference numerals in the attached drawings: 1-Circulating conveyor mechanism, 11-Circular track, 12-Moving trolley, 2-Power connection mechanism, 21-Holder, 211-Box body, 2111-Relief groove, 212-Clamping assembly, 2121-Mounting plate, 2122-Elastic element, 2123-Electric plate, 2124-Guide rod, 213-Opening drive element, 2131-Opening motor, 2132-Sleeve, 2133-Pull rope, 2134-Guide wheel, 214- First connector, 215-first conductor, 22-translation assembly, 221-fixed seat, 222-translation cylinder, 223-connecting plate, 224-connecting rod, 225-limiting rod, 23-second connector, 24-second conductor, 3-power supply mechanism, 31-transformer, 32-third conductor, 4-graphitization furnace, 41-connector, A1-loading station, A2-heating station, A21-heating zone, A3-cooling station, A4-unloading station. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0032] To address the technical problem that the transformer supplying power to the graphitization furnace experiences low load in the initial heating stage and high load in the later heating stage, thus requiring the purchase of a high-power transformer, and that the transformer's power utilization rate is low in the initial heating stage, increasing production costs, this invention provides a track-mounted constant power supply continuous graphitization system and its operation method. This system can make the power demand during the graphitization furnace heating process more stable, improve the transformer's power utilization rate, and reduce production costs.

[0033] It should be noted that the track-moving constant power supply continuous graphitization system and operation method described in this invention are applicable to, but not limited to, graphitization systems. For ease of explanation, this invention only uses the application of the track-moving constant power supply continuous graphitization system and operation method to a graphitization system as an example. The principle of applying the track-moving constant power supply continuous graphitization system and operation method to other types of equipment is essentially the same as the principle applied to a graphitization system, and will not be elaborated here.

[0034] Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of a track-moving constant power supply continuous graphitization system according to an embodiment of the present invention. The track-moving constant power supply continuous graphitization system includes a circulating conveying mechanism 1, a power receiving mechanism 2, and a power supply mechanism 3.

[0035] The circulating conveying mechanism 1 includes a circular track 11 and several mobile trolleys 12. Each mobile trolley 12 can move along the circular track 11. Each mobile trolley 12 is equipped with a graphitization furnace 4, and each graphitization furnace 4 is equipped with a temperature sensor. In this embodiment, two adjacent mobile trolleys 12 are connected by a retractable buffer. The buffer is hinged to the mobile trolley. Each mobile trolley 12 can be equipped with its own power and braking device, or some mobile trolleys can be equipped with their own power and braking device, while the remaining mobile trolleys are not powered.

[0036] The power connection mechanism 2 includes a plurality of clamps 21, each clamp 21 being arranged sequentially along the moving direction of the moving trolley 12, and each clamp 21 being used to electrically connect to the corresponding connector 41 of the graphitization furnace 4.

[0037] The power supply mechanism 3 includes a transformer 31, and the output end of the transformer 31 is electrically connected to each of the clamps 21.

[0038] In operation, each mobile trolley 12 moves synchronously on the circular track 11, thereby driving the graphitization furnace 4 to pass sequentially through the loading station A1, heating station A2, cooling station A3, and unloading station A4. Each mobile trolley 12 stops after moving one unit length, where the unit length is the distance between the midpoints of two adjacent graphitization furnaces 4. When any graphitization furnace 4 moves to the loading station A1, it is loaded with material. The heating station A2 is divided into several heating zones A21, each with a preset target heating temperature. The target heating temperature of each heating zone A21 increases sequentially along the moving direction of the mobile trolley 12. Each heating zone A21 is equipped with a clamp 21. When any graphitization furnace 4 moves to a certain heating zone... At point A21, the clamp 21 of heating zone A21 is electrically connected to the connector 41 of graphitization furnace 4. During heating, the temperature of graphitization furnace 4 is monitored. When the temperature reaches the preset target heating temperature, the connection between clamp 21 and connector 41 of graphitization furnace 4 is disconnected, and a movement request is issued. When the system detects that other stations meet the movement conditions, each moving trolley 12 moves synchronously by one unit length, and graphitization furnace 4 moves to the next heating zone A21 to continue heating. The power supply mechanism 3 supplies power to the clamps 21 of all heating zones A21 simultaneously. When any graphitization furnace 4 moves to cooling station A3, it is cooled. When any graphitization furnace 4 moves to unloading station A4, it is unloaded.

[0039] The technical solution provided by this invention uses a circulating conveying mechanism 1 to drive each graphitization furnace 4 through each heating zone A21 in sequence. The target heating temperature of each heating zone A21 is different. As the graphitization furnace passes through each heating zone A21 in sequence, the temperature gradually increases. The heating power of the heating zone A21 with a higher target heating temperature is higher, and the heating power of the heating zone A21 with a lower target heating temperature is lower. However, since the power supply mechanism 3 supplies power to the clamps 21 of all heating zones A21 at the same time, the total heating power can remain relatively stable after the system is running stably. This makes the power demand during the heating process more stable, improves the power utilization rate of the transformer, and reduces production costs.

[0040] In one embodiment, please refer to Figures 2-5The clamp 21 includes a housing 211, two clamping assemblies 212, and an opening drive 213. The two clamping assemblies 212 are respectively arranged on both sides inside the housing 211. Each clamping assembly 212 includes a mounting plate 2121, an elastic element 2122, and an electrode plate 2123. The mounting plate 2121 is fixed inside the housing 211. The two ends of the elastic element 2122 are fixedly connected to the mounting plate 2121 and the electrode plate 2123, respectively. The electrode plate 2123 is used to abut against a connector 41 of the graphitization furnace 4. The opening drive 213 is used to move the electrode plates 2123 of the two clamping assemblies 212 away from each other. In this embodiment, a clearance groove 2111 is provided on the end face of the housing 211 near the track, which is used to allow the connector 41 to enter the housing 211.

[0041] In one embodiment, please refer to Figures 2-5 The mounting plate 2121 has two guide holes, and the clamping assembly 212 also includes two guide rods 2124. One end of the two guide rods 2124 is fixed to the electrode plate 2123, and the other end of the two guide rods 2124 is slidably inserted into the two guide holes respectively. By setting the guide rods 2124, the stability of the electrode plate 2123 during movement can be improved.

[0042] In one embodiment, please refer to Figures 2-5 The opening drive component 213 includes an opening motor 2131, a sleeve 2132, and two pull ropes 2133. The output shaft of the opening motor 2131 is coaxially and fixedly connected to the sleeve 2132. One end of each of the two pull ropes 2133 is fixed and wound around the sleeve 2132, and the other end of each pull rope 2133 is fixedly connected to the two electrode plates 2123 respectively. In use, when it is necessary to connect the electrode plate 2123 to the graphitization furnace 4... When 41 separates, the opening motor 2131 drives the sleeve 2132 to rotate, winding the pull rope 2133, thereby moving the two electrode plates 2123 away. When it is necessary to clamp the electrode plates 2123 to the joint 41 of the graphitization furnace 4, the opening motor 2131 drives the sleeve 2132 to rotate in the opposite direction, unwinding the pull rope 2133. Under the action of the elastic element 2122, the two electrode plates 2123 move closer to each other, thereby clamping the joint 41 of the graphitization furnace 4.

[0043] In one embodiment, please refer to Figures 2-5 The opening drive component 213 also includes several guide wheels 2134, each guide wheel 2134 is rotatably disposed on the box body 211, and the pull rope 2133 is sequentially wound around each of the guide wheels 2134.

[0044] In one embodiment, please refer to Figures 2-5The power connection mechanism 2 further includes a translation component 22, which includes a fixed base 221, a translation cylinder 222, and a connecting plate 223. The cylinder body of the translation cylinder 222 is fixed to the fixed base 221, and the output shaft of the translation cylinder 222 is fixedly connected to the connecting plate 223. The connecting plate 223 is fixedly connected to each of the boxes 211 via several connecting rods 224.

[0045] In one embodiment, please refer to Figures 2-5 The fixed base 221 is provided with a plurality of limiting holes, and the translation component 22 also includes a plurality of limiting rods 225. The limiting rods 225 are slidably inserted into the limiting holes one by one. The limiting rods 225 are fixedly connected to the connecting plate 223. By setting the limiting rods 225, the stability of the movement of the connecting plate 223 can be improved.

[0046] The working principle of the power connection mechanism 2 is as follows:

[0047] (1) When power is required, the sleeve 2132 is rotated by the opening motor 2131 to wind up the pull rope 2133, thereby moving the two electrode plates 2123 away from each other, so that the distance between the two electrode plates 2123 is greater than the distance between the two joints 41 of the graphitization furnace 4. Then, the connecting plate 223 is moved closer to the graphitization furnace 4 by the translation cylinder 222, so that the two electrode plates 2123 are moved to the outside of the corresponding two joints 41 of the graphitization furnace 4. Then, the sleeve 2132 is rotated in the opposite direction by the opening motor 2131 to unwind the pull rope 2133. The two electrode plates 2123 approach each other under the action of the elastic element 2122, thereby clamping the joints 41 of the graphitization furnace 4 to achieve power connection.

[0048] (2) When it is necessary to disconnect the connection, the sleeve 2132 is rotated by opening the motor 2131 to wind up the pull rope 2133, thereby moving the two pole plates 2123 away from each other, so that the two pole plates 2123 are separated from the two joints 41 of the graphitization furnace 4. Then, the connecting plate 223 is moved away from the graphitization furnace 4 by the translation cylinder 222 to achieve power disconnection.

[0049] In one embodiment, please refer to Figures 2-5 Each of the clamps 21 includes two first connectors 214, both of which are fixed to the housing 211. The two first connectors 214 are electrically connected to the two electrode plates 2123 via two first wires 215 respectively.

[0050] The power connection mechanism 2 also includes two second connectors 23, both of which are fixed to the connecting plate 223. The two second connectors 23 are electrically connected to the corresponding first connectors 214 of each clamp 21 via a plurality of second wires 24. The output end of the transformer 31 is electrically connected to the two second connectors 23. Specifically, the output end of the transformer 31 is electrically connected to the two second connectors 23 via two third wires 32.

[0051] This invention also provides an operation method for a track-moving constant-power continuous graphitization system, applicable to the aforementioned track-moving constant-power continuous graphitization system, and includes the following steps:

[0052] S1. Each mobile trolley 12 moves synchronously on the circular track 11, thereby driving the graphitization furnace 4 to pass through the loading station A1, heating station A2, cooling station A3 and unloading station A4 in sequence. Each mobile trolley 12 stops once after moving one unit length, and the unit length is the distance between the midpoints of two adjacent graphitization furnaces 4.

[0053] S2. When any graphitization furnace 4 moves to the charging station A1, the graphitization furnace 4 is charged.

[0054] S3. Heating station A2 is divided into several heating zones A21. Each heating zone A21 has a preset heating target temperature. Along the moving direction of the moving trolley 12, the heating target temperature of each heating zone A21 increases sequentially. Each heating zone A21 is equipped with a clamp 21. When any graphitization furnace 4 moves to a certain heating zone A21, the clamp 21 of the heating zone A21 is electrically connected to the connector 41 of the graphitization furnace 4. During heating, the temperature of the graphitization furnace 4 is detected. When the temperature reaches the preset heating target temperature, the connection between the clamp 21 and the connector 41 of the graphitization furnace 4 is disconnected, and a movement request is issued at the same time. When the system detects that other stations meet the movement conditions, each moving trolley 12 moves synchronously by one unit length. The graphitization furnace 4 moves to the next heating zone A21 and continues to heat in the next heating zone A21. The power supply mechanism 3 supplies power to the clamps 21 of all heating zones A21 at the same time.

[0055] S4. When any graphitization furnace 4 moves to the cooling station A3, the graphitization furnace 4 is cooled.

[0056] S5. When any graphitization furnace 4 moves to the unloading station A4, unload the graphitization furnace 4.

[0057] The technical solution provided by this invention uses a circulating conveying mechanism 1 to drive each graphitization furnace 4 through each heating zone A21 in sequence. The target heating temperature of each heating zone A21 is different. As the graphitization furnace passes through each heating zone A21 in sequence, the temperature gradually increases. The heating power of the heating zone A21 with a higher target heating temperature is higher, and the heating power of the heating zone A21 with a lower target heating temperature is lower. However, since the power supply mechanism 3 supplies power to the clamps 21 of all heating zones A21 at the same time, the total heating power can remain relatively stable after the system is running stably. This makes the power demand during the heating process more stable, improves the power utilization rate of the transformer, and reduces production costs.

[0058] The specific embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any other corresponding changes and modifications made in accordance with the technical concept of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A track-moving, constant-power, continuous graphitization system, characterized in that, include: A circulating conveying mechanism includes a circular track and several moving trolleys. Each of the moving trolleys can move along the circular track. Each of the moving trolleys is equipped with a graphitization furnace, and each of the graphitization furnaces is equipped with a temperature sensor. An electrical connection mechanism, comprising a plurality of grippers arranged sequentially along the moving direction of the trolley, each gripper being used for electrical connection to a corresponding connector of a graphitization furnace; and, A power supply mechanism, comprising a transformer, wherein the output terminal of the transformer is electrically connected to each of the clamps; The clamp includes a housing, two clamping assemblies, and an opening drive. The two clamping assemblies are respectively arranged on both sides of the housing. Each clamping assembly includes a mounting plate, an elastic element, and an electrode plate. The mounting plate is fixed in the housing. The two ends of the elastic element are respectively fixedly connected to the mounting plate and the electrode plate. The electrode plate is used to abut against a connector of the graphitization furnace. The opening drive is used to move the electrode plates of the two clamping assemblies away from each other. The mounting plate has two guide holes, and the clamping assembly also includes two guide rods. One end of the two guide rods is fixed to the electrode plate, and the other end of the two guide rods is slidably inserted into the two guide holes respectively. The opening drive includes an opening motor, a sleeve, and two pull ropes. The output shaft of the opening motor is coaxially and fixedly connected to the sleeve. One end of each of the two pull ropes is fixed and wound around the sleeve, and the other end of each of the two pull ropes is fixedly connected to the two electrode plates respectively. The opening drive component also includes several guide wheels, each of which is rotatably mounted on the box body, and the pull rope is sequentially wound around each of the guide wheels; The power connection mechanism also includes a translation component, which includes a fixed base, a translation cylinder, and a connecting plate. The cylinder body of the translation cylinder is fixed to the fixed base, and the output shaft of the translation cylinder is fixedly connected to the connecting plate. The connecting plate is fixedly connected to each of the boxes via several connecting rods. Each of the clamps includes two first connectors, both of which are fixed to the housing, and the two first connectors are electrically connected to the two electrode plates via two first wires respectively; The power connection mechanism also includes two second connectors, both of which are fixed to the connecting plate. The two second connectors are electrically connected to the corresponding first connectors of each of the clamps via a plurality of second wires. The output terminal of the transformer is electrically connected to the two second terminals.

2. The track-moving constant power supply continuous graphitization system according to claim 1, characterized in that, The fixed base has several limiting holes, and the translation component also includes several limiting rods. The limiting rods are slidably inserted into the limiting holes one by one, and the limiting rods are fixedly connected to the connecting plate.

3. The track-moving constant power supply continuous graphitization system according to claim 1, characterized in that, The output terminal of the transformer is electrically connected to the two second terminals via two third wires.

4. A method for operating a track-moving, constant-power, continuous graphitization system, characterized in that, The method is applicable to the track-moving constant-power continuous graphitization system as described in any one of claims 1-3, and includes the following steps: S1. Each mobile trolley moves synchronously on the circular track, thereby driving the graphitization furnace to pass through the loading station, heating station, cooling station and unloading station in sequence. Each mobile trolley stops once after moving one unit length, and the unit length is the distance between the midpoints of two adjacent graphitization furnaces. S2. When any graphitization furnace moves to the charging station, charge the graphitization furnace. S3. The heating station is divided into several heating zones, each with a preset target heating temperature. The target heating temperature of each heating zone increases sequentially along the direction of movement of the trolley. Each heating zone is equipped with a clamp. When any graphitization furnace moves to a certain heating zone, the clamp of that heating zone is electrically connected to the connector of the graphitization furnace. The temperature of the graphitization furnace is detected during heating. When the temperature reaches the target heating temperature, the connection between the clamp and the connector of the graphitization furnace is disconnected, and a movement request is issued at the same time. When the system detects that other stations meet the movement conditions, each trolley moves synchronously by one unit length, and the graphitization furnace moves to the next heating zone to continue heating. The power supply mechanism supplies power to the clamps of all heating zones at the same time. S4. When any graphitization furnace moves to the cooling station, the graphitization furnace is cooled. S5. When any graphitization furnace moves to the unloading station, unload the graphitization furnace.

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