System for supplying power to multiple graphitization furnaces through multiple transformers

Abstract

The utility model discloses a system for supplying power to multiple graphitization furnaces through multiple transformers, which comprises an annular motion mechanism, a power connection mechanism and a power transmission mechanism, the annular motion mechanism comprises a plurality of moving trolleys, and the moving trolleys are sequentially arranged, can do annular motion and sequentially pass through a plurality of heating areas; the power connection mechanism comprises a plurality of clamping devices which are in one-to-one correspondence with the heating areas, and the power transmission mechanism comprises a plurality of transformers with different powers. The graphitization system has the beneficial effects that the transformer with lower power is used for supplying power to the clamp holder of the heating area with low power requirement, and the transformer with higher power is used for supplying power to the clamp holder of the heating area with high power requirement, so that the requirement of the graphitization system on the power of the transformer can be reduced; and a transformer with relatively low power can be fully utilized, so that the cost of the graphitization system is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the graphitization technical field, concretely relates to a system that supplies power to multiple graphitization furnaces through multiple transformers. BACKGROUND

[0002] Graphitization refers to the process of transforming non-graphitic carbon into graphitic carbon with a three-dimensional regular ordered structure by improving the stacking structure of hexagonal carbon atom plane net layers through physical changes in a high-temperature electric furnace in a protective medium or in an air-isolated environment. This process usually requires a high temperature of more than 2000℃ and is achieved through heat treatment.

[0003] The graphitization furnace requires a transformer for heating. The main function of the transformer is to convert commercial power (usually high voltage) into low voltage that meets the operating requirements of the graphitization furnace. This is because the graphitization furnace requires stable low-voltage power supply during operation to ensure the stability of the furnace temperature and the smooth progress of the graphitization process. The transformer in the graphitization furnace plays an important role in voltage conversion and regulation, protection equipment and safe operation, and improvement of production efficiency and energy saving. It is one of the key equipment for stable operation and efficient production of the graphitization furnace. Therefore, during the design and operation of the graphitization furnace, the selection, configuration, and maintenance of the transformer need to be fully considered to ensure that it can fully play its role and meet the production requirements.

[0004] With the continuous development of the graphitization industry, the power of the transformer required to match the graphitization furnace is also increasing, and the high cost of high-power transformers increases the investment cost of the graphitization system, and the low-power transformers eliminated in earlier years cannot be fully utilized. UTILITY MODEL CONTENTS

[0005] The utility model aims to overcome the above technical deficiencies and proposes a system that supplies power to multiple graphitization furnaces through multiple transformers, solving the technical problem of high cost of high-power transformers, increased investment cost of the graphitization system, and inability to fully utilize low-power transformers eliminated in earlier years.

[0006] To achieve the above technical purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a system that supplies power to multiple graphitization furnaces through multiple transformers, comprising:

[0008] The ring motion mechanism comprises a plurality of moving trolleys, each of which is arranged in sequence and can move in a ring shape and pass through a plurality of heating zones in sequence, each of which is provided with a heating target temperature, and the heating target temperature of each heating zone increases in sequence along the moving direction of the moving trolley, each of the moving trolleys is provided with a graphitization furnace, and each of the graphitization furnaces is provided with a temperature sensor;

[0009] The power connection mechanism comprises a plurality of clamps corresponding to each of the heating zones, each of which is arranged in sequence along the moving direction of the moving trolley, each of which is used for electrical connection with the joint of the corresponding graphitization furnace, and the required power of the clamp is determined according to the heating target temperature of the corresponding heating zone; and

[0010] The power transmission mechanism comprises a plurality of transformers with different powers, the output ends of the transformers with smaller power are respectively electrically connected with the clamps of the heating zones with lower heating target temperature, and the output ends of the transformers with larger power are respectively electrically connected with the clamps of the heating zones with higher heating target temperature.

[0011] In some embodiments, the clamp comprises a translation driving member and a clamping member, the translation driving member is used to drive the clamping member to abut against the joint of the corresponding graphitization furnace, and when the clamping member abuts against the joint of the corresponding graphitization furnace, the clamping member can clamp the joint of the graphitization furnace.

[0012] In some embodiments, the clamping member comprises a frame, two polar plates and two hydraulic transmission assemblies, the two polar plates are respectively slidably arranged at both ends of the frame, and the two hydraulic transmission assemblies each comprise a pipe, a first piston, a first push rod, a second piston and a second push rod, the pipe is fixed in the frame, one end of the pipe is parallel to the driving direction of the translation driving member, the other end of the pipe is perpendicular to the driving direction of the translation driving member, the first piston is slidably arranged at one end of the pipe, one end of the first push rod is fixed to the first piston, and the other end of the first push rod is used to abut against the joint of the graphitization furnace, the second piston is slidably arranged at the other end of the pipe, one end of the second push rod is fixed to the second piston, and the other end of the second push rod is used to abut against the corresponding polar plate, so that the polar plate is tightly fitted with the joint of the graphitization furnace, and the output end of the transformer is electrically connected with the polar plate.

[0013] In some embodiments, the clamping member further comprises two fixed plates and a plurality of guide rods, the fixed plates are fixed in the frame, a plurality of guide holes are formed in the fixed plates, each of the guide rods is slidably arranged in the guide hole in a one-to-one correspondence, and one end of each of the guide rods is fixedly connected with the corresponding polar plate.

[0014] In some embodiments, the clamping member further comprises two sets of tension springs, one end of the tension spring is fixed to the corresponding fixed plate, and the other end of the tension spring is fixed to the corresponding pole plate.

[0015] In some embodiments, the clamping member further comprises two buffers, each of the two buffers comprises a first pressing plate, a plurality of limiting rods, a second pressing plate and a buffer spring, the first pressing plate is fixed to the corresponding second push rod, a plurality of limiting holes are formed in the first pressing plate, the limiting rods are slidingly inserted into the corresponding limiting holes, one end of the limiting rod is fixedly connected with the second pressing plate, the second pressing plate is used for abutting against the corresponding pole plate, and the buffer spring is fixedly connected with the first pressing plate and the second pressing plate at both ends.

[0016] In some embodiments, the output end of the transformer is electrically connected with the pole plate via a connecting wire.

[0017] In some embodiments, the ring-shaped movement mechanism further comprises a road area and a pool area, the road area and the pool area are arranged side by side, one end of the road area is connected with one end of the pool area, and each heating area is located in the road area.

[0018] Each moving trolley is an amphibious vehicle, the moving trolley moves from one end of the road area to the other end, then enters the other end of the pool area, then moves from the other end of the pool area to one end of the pool area, then moves to one end of the road area, and so on.

[0019] In some embodiments, the ring-shaped movement mechanism further comprises a towing vehicle, the towing vehicle is used for towing the moving trolley in the pool area to the road area.

[0020] In some embodiments, the ring-shaped movement mechanism further comprises a towing rope, the towing vehicle tows the moving trolley in the pool area to the road area via the towing rope.

[0021] Compared with the prior art, the system device for supplying power to multiple graphitization furnaces through multiple transformers has the beneficial effects that: each graphitization furnace is sequentially driven by the annular motion mechanism to pass through each heating zone, the heating target temperature of each heating zone is different, when the graphitization furnace sequentially passes through each heating zone, the temperature gradually increases, the heating power of the heating zone with a high heating target temperature is high, the heating power of the heating zone with a low heating target temperature is low, the output ends of the transformers with small power are respectively electrically connected to the clamps of multiple heating zones with low heating target temperatures, and the output ends of the transformers with large power are respectively electrically connected to the clamps of multiple heating zones with high heating target temperatures, so that the power supply of the clamps of the heating zones with low power demand is realized by using the transformers with small power, and the power supply of the clamps of the heating zones with high power demand is realized by using the transformers with large power, so that the requirement of the graphitization system on the power of the transformer can be reduced, the transformers with small power can be fully utilized, and the cost of the graphitization system is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of a system for supplying power to multiple graphitization furnaces through multiple transformers provided by an embodiment of the utility model;

[0023] Figure 2 is Figure 1 a structural schematic view of the power receiving mechanism and the power supply mechanism in

[0024] Figure 3 is Figure 2 a local enlarged view of the region A in

[0025] Figure 4 is Figure 3 a structural schematic view of one clamp in

[0026] BRIEF DESCRIPTION OF DRAWINGS: 1-annular motion mechanism, 11-moving trolley, 12-road zone, 13-pool zone, 14-gentle slope zone, 15-towing vehicle, 2-power receiving mechanism, 21-clamp, 211-translation driving part, 212-clamp part, 2121-frame, 2122-polar plate, 2123-hydraulic transmission assembly, 21231-pipe, 21232-first piston, 21233-first push rod, 21234-second piston, 21235-second push rod, 2124-fixing plate, 2125-guide rod, 2126-tension spring, 2127-buffer, 21271-first pressing plate, 21272-limiting rod, 21273-second pressing plate, 21274-buffer spring, 3-power supply mechanism, 31-transformer, 32-connection wire, 4-graphitization furnace, 41-joint, A1-charging station, A2-heating station, A21-heating zone, A3-cooling station, A4-discharging station. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model clearer and more understandable, the utility model will be further described in detail below in combination with the drawings and examples.

[0028] In order to solve the technical problem that the cost of high-power transformer is high, the investment cost of graphitization system is increased, and the low-power transformer eliminated in early years cannot be fully utilized, the utility model provides a system for supplying power to multiple graphitization furnaces through multiple transformers, which can reduce the requirement of graphitization system on transformer power.

[0029] It should be noted that the system for supplying power to multiple graphitization furnaces through multiple transformers is used in but not limited to graphitization system and the like, in order to facilitate the description, in the utility model, only the system for supplying power to multiple graphitization furnaces through multiple transformers is taken as an example for description applied to graphitization system, and the principle of the system for supplying power to multiple graphitization furnaces through multiple transformers applied to other types of equipment is substantially the same as that applied to graphitization system, which will not be described one by one here.

[0030] Please refer to Figure 1 , Figure 1 It is a structural schematic view of the system for supplying power to multiple graphitization furnaces through multiple transformers in an embodiment of the utility model, and the system for supplying power to multiple graphitization furnaces through multiple transformers comprises a ring motion mechanism 1, a power connection mechanism 2 and a power transmission mechanism 3.

[0031] The ring motion mechanism 1 comprises a plurality of moving trolleys 11, each moving trolley 11 is arranged in sequence and can make ring motion and pass through a plurality of heating zones A21 in sequence, each heating zone A21 is pre-set with a heating target temperature, and along the moving direction of the moving trolley 11, the heating target temperatures of each heating zone A21 increase in sequence, each moving trolley 11 is installed with a graphitization furnace 4, and each graphitization furnace 4 is provided with a temperature sensor;

[0032] The power connection mechanism 2 comprises a plurality of clamps 21 corresponding to each heating zone A21 one by one, each clamp 21 is arranged in sequence along the moving direction of the moving trolley 11, and each clamp 21 is used for electrically connecting with the connector 41 of the corresponding graphitization furnace 4, and the required power of the clamp 21 is determined according to the heating target temperature of the corresponding heating zone A21;

[0033] The power transmission mechanism 3 comprises several transformers 31 with different power, the output ends of the transformers 31 with smaller power are respectively electrically connected with the clamps 21 of the heating zones A21 with lower heating target temperature, and the output ends of the transformers 31 with larger power are respectively electrically connected with the clamps 21 of the heating zones A21 with higher heating target temperature.

[0034] In use, each moving trolley 11 performs circular motion, thereby driving the graphitization furnace 4 to sequentially pass through the loading station A1, the heating station A2, the cooling station A3 and the unloading station A4; when any graphitization furnace 4 moves to the loading station A1, the graphitization furnace 4 is loaded; the heating station A2 is divided into several heating zones A21, when any graphitization furnace 4 moves to a heating zone A21, the clamp 21 of the heating zone A21 is electrically connected with the joint 41 of the graphitization furnace 4, the temperature of the graphitization furnace 4 is detected during heating, when the temperature reaches the heating target temperature, the connection between the clamp 21 and the joint 41 of the graphitization furnace 4 is disconnected, the moving trolley 11 drives the graphitization furnace 4 to move to the next heating zone A21, and the heating in the next heating zone A21 is continued, and the transformer 31 simultaneously supplies power to the connected multiple clamps 21; when any graphitization furnace 4 moves to the cooling station A3, the graphitization furnace 4 is cooled; when any graphitization furnace 4 moves to the unloading station A4, the graphitization furnace 4 is unloaded.

[0035] According to the technical scheme of the utility model, each graphitization furnace 4 is driven by the circular motion mechanism 1 to sequentially pass through each heating zone A21, the heating target temperature of each heating zone A21 is different, the temperature gradually increases when the graphitization furnace sequentially passes through each heating zone A21, the heating power of the heating zone A21 with high heating target temperature is high, the heating power of the heating zone A21 with low heating target temperature is low, the output ends of the transformers 31 with smaller power are respectively electrically connected with the clamps 21 of the heating zones A21 with lower heating target temperature, and the output ends of the transformers 31 with larger power are respectively electrically connected with the clamps 21 of the heating zones A21 with higher heating target temperature, so that the transformers with smaller power are used to supply power to the clamps 21 of the heating zones A21 with low power requirement, and the transformers with larger power are used to supply power to the clamps 21 of the heating zones A21 with high power requirement, so that the requirement of the graphitization system on the power of the transformer can be reduced, the transformers with smaller power can be fully utilized, and the cost of the graphitization system is reduced.

[0036] In one of the embodiments, please refer to Figure 1The annular movement mechanism 1 further comprises a road area 12 and a pool area 13, the road area 12 and the pool area 13 are arranged side by side, two ends of the road area 12 are respectively connected with a ramp area 14 and two ends of the pool area 13, each heating area A21 is located in the road area 12; each mobile trolley 11 is an amphibious vehicle, the mobile trolley 11 moves from one end of the road area 12 to the other end, then enters the other end of the pool area 13 through the ramp area 14, then moves from the other end of the pool area 13 to one end of the pool area 13, then moves to one end of the road area 12 through the other ramp area 14, and so on. The reason for using the combination of land transportation and water transportation to move the mobile trolley 11 is that, in general, the cost of water transportation is lower, but it is not convenient to supply power to the graphitization furnace 4 in the pool area 13. Therefore, the combination of land transportation and water transportation can reduce the overall operation cost and facilitate the power connection of the graphitization furnace 4.

[0037] In one of the embodiments, referring to Figure 1 The annular movement mechanism 1 further comprises a tractor 15, the tractor 15 is used to pull the mobile trolley 11 in the pool area 13 to the road area 12. The annular movement mechanism 1 further comprises a traction rope, the tractor 15 pulls the mobile trolley 11 in the pool area 13 to the road area 12 through the traction rope.

[0038] In one of the embodiments, referring to Figures 1-4 The gripper 21 comprises a translation driving member 211 and a clamping member 212, the translation driving member 211 is used to drive the clamping member 212 to abut against the joint 41 of the corresponding graphitization furnace 4, when the clamping member 212 abuts against the joint 41 of the corresponding graphitization furnace 4, the clamping member 212 can clamp the joint 41 of the graphitization furnace 4.

[0039] In one of the embodiments, referring to Figures 1-4The clamping part 212 comprises a frame 2121, two polar plates 2122 and two hydraulic transmission assemblies 2123. The two polar plates 2122 are respectively slidably arranged at two ends of the frame 2121. The two hydraulic transmission assemblies 2123 each comprises a pipe 21231, a first piston 21232, a first push rod 21233, a second piston 21234 and a second push rod 21235. The pipe 21231 is fixed in the frame 2121. One end of the pipe 21231 is parallel to the driving direction of the translation driving part 211. The other end of the pipe 21231 is perpendicular to the driving direction of the translation driving part 211. The first piston 21232 is slidably arranged at one end of the pipe 21231. One end of the first push rod 21233 is fixed to the first piston 21232. The other end of the first push rod 21233 is used to abut against the joint 41 of the graphitization furnace 4. The second piston 21234 is slidably arranged at the other end of the pipe 21231. One end of the second push rod 21235 is fixed to the second piston 21234. The other end of the second push rod 21235 is used to abut against the corresponding polar plate 2122, so that the polar plate 2122 is tightly attached to the joint 41 of the graphitization furnace 4. The output end of the transformer 31 is electrically connected with the polar plate 2122.

[0040] In use, when the translation driving part 211 drives the frame 2121 to move towards the joint 41 of the graphitization furnace 4, the first push rod 21233 will first abut against the joint 41 of the graphitization furnace 4. Continue to drive the frame 2121 to move towards the joint 41 of the graphitization furnace 4 by the translation driving part 211. At this time, the first push rod 21233 will be pushed by the joint 41, so that the first piston 21232 moves inward, so that the pipe 21231 is filled with fluid. Under the action of the fluid, the second piston 21234 moves outward, so that the second push rod 21235 moves outward, and the corresponding polar plate 2122 is pushed to move, so that the two polar plates 2122 move towards each other to clamp the joint 41 of the graphitization furnace 4. In the utility model, the pushing force of the translation driving part 211 is converted into the pressure of the two polar plates 2122 clamping the joint 41 by the hydraulic transmission assembly 2123, so that only one driving part is needed to realize the two functions of translation and clamping of the holder 21, thereby reducing the cost and simplifying the control process.

[0041] In one of the embodiments, please refer to Figures 1-4The clamping member 212 further comprises two fixed plates 2124 and a plurality of guide rods 2125, the fixed plates 2124 are fixed in the frame 2121, a plurality of guide holes are formed in the fixed plates 2124, each of the guide rods 2125 is slidingly arranged in the guide hole in one-to-one correspondence, one end of each of the guide rods 2125 is fixedly connected with the corresponding polar plate 2122, and the movement of the polar plate 2122 can be guided through the guide rods 2125.

[0042] In one of the embodiments, referring to Figures 1-4 The clamping member 212 further comprises two groups of tension springs 2126, one end of each of the tension springs 2126 is fixedly connected with the corresponding fixed plate 2124, and the other end of each of the tension springs 2126 is fixedly connected with the corresponding polar plate 2122, and the polar plate 2122 can be automatically pulled back to the original position through the tension springs 2126 when the joint 41 of the graphitization furnace 4 is driven away from the frame 2121 by the translational driving member 211.

[0043] In one of the embodiments, referring to Figures 1-4 The clamping member 212 further comprises two buffers 2127, each of the buffers 2127 comprises a first pressing plate 21271, a plurality of limiting rods 21272, a second pressing plate 21273 and a buffer spring 21274, the first pressing plate 21271 is fixedly connected with the corresponding second pushing rod 21235, a plurality of limiting holes are formed in the first pressing plate 21271, the limiting rods 21272 are slidingly inserted into the corresponding limiting holes, one end of each of the limiting rods 21272 is fixedly connected with the second pressing plate 21273, the second pressing plate 21273 is used for abutting against the corresponding polar plate 2122, and the buffer spring 21274 is fixedly connected with the first pressing plate 21271 and the second pressing plate 21273 at two ends, respectively, and the pressure of the second pressing plate 21273 on the polar plate 2122 can be buffered through the buffer 2127.

[0044] In one of the embodiments, referring to Figures 1-4 The output end of the transformer 31 is electrically connected with the polar plate 2122 through the connecting wire 32.

[0045] The technical scheme of the utility model provides, through annular movement mechanism 1 drive each graphitization furnace 4 in turn through each heating area A21, the heating target temperature of each heating area A21 is all not same, when the graphitization furnace in turn through each heating area A21, temperature gradually rises, the heating power of the heating area A21 of heating target temperature high is high, the heating power of the heating area A21 of heating target temperature low is low, the output of smaller power transformer 31 is respectively connected with the holder 21 of multiple heating target temperature lower heating area A21 electricity, the output of larger power transformer 31 is respectively connected with the holder 21 of multiple heating target temperature higher heating area A21 electricity, thereby the utility model discloses through the power transformer of smaller power is used to the power supply of the holder 21 of low power demand heating area A21, the power transformer of larger power is used to the power supply of the holder 21 of high power demand heating area A21, thereby can reduce the requirement of graphitization system to transformer power, and can fully utilize the power transformer of smaller power, has reduced the cost of graphitization system.

[0046] The above-described specific embodiments of the utility model do not constitute a limitation on the scope of protection of the utility model. Any other corresponding changes and modifications made in accordance with the technical concept of the utility model should be included within the scope of protection of the claims of the utility model.

Claims

1. A system for supplying power to a multiple graphitization furnace by multiple transformers, characterized in that, The application relates to a graphite furnace, which comprises the following parts: a ring-shaped moving mechanism, wherein a plurality of moving trolleys are arranged in sequence and can move in a ring shape and pass through a plurality of heating areas in sequence, each heating area is provided with a heating target temperature, the heating target temperatures of the heating areas increase in sequence along the moving direction of the moving trolleys, each moving trolley is provided with a graphite furnace, and each graphite furnace is provided with a temperature sensor; an electricity connection mechanism, wherein a plurality of clamps corresponding to the heating areas are arranged in sequence along the moving direction of the moving trolleys, each clamp is used for electrically connecting the joint of the corresponding graphite furnace, and the required power of the clamp is determined according to the heating target temperature of the corresponding heating area; and a power supply mechanism, wherein a plurality of transformers with different powers are arranged, the output ends of the transformers with smaller power are electrically connected with the clamps of the heating areas with lower heating target temperatures, and the output ends of the transformers with larger power are electrically connected with the clamps of the heating areas with higher heating target temperatures.

2. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 1, characterized in that, The clamp comprises a translation driving part and a clamping part, the translation driving part is used for driving the clamping part to abut against the joint of the corresponding graphite furnace, and the clamping part can clamp the joint of the graphite furnace when the clamping part abuts against the joint of the corresponding graphite furnace.

3. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 2, characterized in that, The clamping part comprises a frame, two polar plates and two hydraulic transmission assemblies, the two polar plates are slidably arranged at two ends in the frame, the two hydraulic transmission assemblies each comprise a pipeline, a first piston, a first push rod, a second piston and a second push rod, the pipeline is fixed in the frame, one end of the pipeline is parallel to the driving direction of the translation driving part, the other end of the pipeline is perpendicular to the driving direction of the translation driving part, the first piston is slidably arranged at one end of the pipeline, one end of the first push rod is fixed to the first piston, the other end of the first push rod is used for abutting against the joint of the graphite furnace, the second piston is slidably arranged at the other end of the pipeline, one end of the second push rod is fixed to the second piston, and the other end of the second push rod is used for abutting against the corresponding polar plate, so that the polar plate is tightly combined with the joint of the graphite furnace, and the output end of the transformer is electrically connected with the polar plate.

4. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 3, characterized in that, The clamping part further comprises two fixed plates and a plurality of guide rods, the fixed plates are fixed in the frame, a plurality of guide holes are formed in the fixed plates, the guide rods are slidably arranged in the guide holes in a one-to-one correspondence, and one end of each guide rod is fixedly connected with the corresponding polar plate.

5. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 4, characterized in that, The clamping part further comprises two groups of tension springs, one end of each tension spring is fixed to the corresponding fixed plate, and the other end of each tension spring is fixed to the corresponding polar plate.

6. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 3, characterized in that, The clamping piece further comprises two buffers, each of which comprises a first pressing plate, a plurality of limiting rods, a second pressing plate and a buffer spring, the first pressing plate is fixed to the corresponding second push rod, a plurality of limiting holes are formed in the first pressing plate, the limiting rods are slidingly inserted into the corresponding limiting holes, one end of the limiting rod is fixedly connected with the second pressing plate, the second pressing plate is used for abutting against the corresponding polar plate, and the two ends of the buffer spring are fixedly connected with the first pressing plate and the second pressing plate respectively.

7. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 3, characterized in that, The output end of the transformer is electrically connected with the polar plate via a connecting wire.

8. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 1, characterized in that, The annular motion mechanism further comprises a road area and a pool area, the road area and the pool area are arranged side by side, one end of the road area is connected with one end of the pool area through a gentle slope area, and each heating area is located in the road area. Each moving trolley is an amphibious vehicle, the moving trolley moves from one end of the road area to the other end, then enters the other end of the pool area, then moves from the other end of the pool area to one end of the pool area, then moves to one end of the road area, and the cycle is repeated.

9. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 8, characterized in that, The annular motion mechanism further comprises a towing vehicle, the towing vehicle is used for towing the moving trolley in the pool area to the road area.

10. The system for supplying power to a multiple graphitization furnace by multiple transformers according to claim 9, characterized in that, The annular motion mechanism further comprises a towing rope, the towing vehicle tows the moving trolley in the pool area to the road area via the towing rope.

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