Electromagnetic launch armature recycler for a tokamak device

Abstract

The application discloses an electromagnetic emission armature recycler for a tokamak device. The recycler comprises a vacuum exhaust port, an armature inlet track, an armature recovery cavity, an armature transmission track, a spiral conveying rod, a driving motor, a recovery sand storage tank and a plurality of sealing devices. The vacuum exhaust port discharges air in the electromagnetic emission armature recycler. The sealing devices are arranged at each connection. One end of the armature inlet track is connected with the tokamak device to receive the armature, and the other end is connected with the armature recovery cavity. The armature recovery cavity is filled with buffer sand. One end of the armature transmission track is connected with the lower part of the armature recovery cavity, and the spiral conveying rod is arranged in the armature transmission track. One end of the spiral conveying rod is connected with the armature motor and rotates along with the driving motor to drive the mixed armature and buffer sand to move along the armature transmission track. The recovery sand storage tank is connected with the lower part of the other end of the armature transmission track to recover the armature and buffer sand. The armature can be efficiently recovered in a vacuum environment.

Description

Technical Field

[0001] This invention belongs to the field of armature recovery, and more specifically, relates to an electromagnetic launch armature recovery device for a tokamak device. Background Technology

[0002] A tokamak is a toroidal device that uses magnetic confinement to achieve controlled nuclear fusion. Its central component is a toroidal chamber, which requires a very high degree of vacuum, typically [missing information - likely a specific vacuum level]. The ultra-high vacuum of a tokamak device is crucial. During discharge, due to magnetohydrodynamic instability, impurity radiation, system malfunctions, and other factors, plasma current confinement deteriorates, a phenomenon known as "rupture." When rupture occurs, a large amount of energy carried by the plasma is rapidly lost to the vacuum chamber walls and plasma facing components (PFCs), leading to tokamak device shutdown and incurring high maintenance costs. Therefore, to protect the tokamak reactor, a rupture mitigation system is needed to rapidly shut down the plasma current upon anticipation of impending rupture. Currently, various schemes for rapidly shutting down the plasma by actively injecting large amounts of impurities have been successfully verified in major tokamak devices, generating sufficiently strong radiative power to dissipate the plasma's energy.

[0003] Currently, fracture mitigation systems are mainly based on two methods: Massive Gas Injection (MGI) and Shattered Pellet Injection (SPI). However, these methods suffer from drawbacks such as insufficient impurity penetration depth, small instantaneous injection volume, low particle assimilation rate, limited injection speed due to the speed of sound, and inability to meet the response speed requirements of tokamaks (within 10m); and difficulty in penetrating to the core to trigger internal-to-external thermal radiation. Electromagnetic launch impurity injection is a novel fracture mitigation device. Utilizing electromagnetic force in an electromagnetic system, it can accelerate objects to higher speeds in a short time, significantly increasing the velocity and range of the projectile. It offers advantages such as fast and easily controllable injection speed, faster response speed (<10ms), higher penetration depth, no need for lengthy projectile preparation, and precise projectile injection volume. The electromagnetic launch impurity injection device utilizes the electromagnetic force acting on the armature in the reverse process of electromagnetic railgun firing, causing the projectile to separate from the armature. In order to recover the armature without damage, the morphology of the armature is studied to reverse the sliding electrical reliability of the track and the armature, and to prevent the armature from blocking the inlet and avoid the armature from impacting and breaking inside the barrel, which would damage the gun body and tokamak device. Therefore, an armature recovery device is needed to recover and reuse the armature.

[0004] For the ordinary sand box recovery armature, the electromagnetic emission impurity injection device is multiple times of emission, the armature enters the sand box and is stacked at the top of the sand box, so that the buffering effect of the sand box is invalid, and the armatures are damaged by collision, if the sand box is replaced or the armatures are taken out, the vacuum state of the whole device is damaged, and a long time is needed to restore the vacuum. SUMMARY

[0005] In view of the defects of the related art, the purpose of the present application is to provide an electromagnetic emission armature recovery device for a tokamak device, aiming to solve the problem of low recovery efficiency of the armature caused by the separation of the electromagnetic emission impurity projectile and the armature in a vacuum environment.

[0006] To achieve the above-mentioned purpose, the present application provides an electromagnetic emission armature recovery device for a tokamak device, comprising: an armature inlet track, a vacuum air exhaust port, an armature recovery cavity, a drive motor box, a spiral conveying rod, a recovery sand storage box, an armature transmission track and a plurality of sealing devices.

[0007] The vacuum air exhaust port is connected with a vacuum air exhaust pump to exhaust air in the electromagnetic emission armature recovery device; the sealing devices are arranged at each connection to maintain the vacuum state in the electromagnetic emission armature recovery device;

[0008] The armature inlet track is arranged at the upper end of the electromagnetic emission armature recovery device, one end of the armature inlet track is connected with the tokamak device for receiving the armature, and the other end is connected with the armature recovery cavity; the armature recovery cavity is filled with buffer sand;

[0009] One end of the armature transmission track is connected with the lower part of the armature recovery cavity, the spiral conveying rod is arranged in the armature transmission track; one end of the spiral conveying rod is connected with the drive motor in the drive motor box for rotating with the drive motor, and driving the mixed armature and buffer sand to move along the armature transmission track;

[0010] The recovery sand storage box is connected with the lower part of the other end of the armature transmission track for recovering the armature and buffer sand.

[0011] Optionally, the armature inlet track is arranged obliquely, and the inner wall is smooth.

[0012] Optionally, the vacuum air exhaust port is provided with a transparent cover plate as an observation window.

[0013] Optionally, the bottom of the recovery sand storage box is provided with a partition plate arranged obliquely.

[0014] Optionally, the armature recovery cavity is reinforced with trapezoidal rib plates around.

[0015] Optionally, the spiral conveying rod is a screw structure, comprising a rotating rod and a spiral blade.

[0016] Optionally, the electromagnetic launching armature recycler further comprises a device support;

[0017] The device support is fixed by bolting with the armature recovery cavity and the armature transmission track, and is fixed to the ground by bolting, for maintaining the stability of the electromagnetic launching armature recycler.

[0018] The above technical solutions conceived by the present application can achieve the following beneficial effects:

[0019] 1. The electromagnetic launching armature recycler for the tokamak device provided by the embodiment of the present application, by the armature transmission track and the spiral conveying rod arranged inside, when recovering the armature, the armature and the buffer sand mixed are driven to enter the recovery sand box, avoiding the stacking of the armatures in the sand box and the collision between the armatures to cause damage, realizing the lossless recovery of the armatures, avoiding the impact and fragmentation of the armatures in the bore to damage the cannon body and the tokamak device, allowing the electromagnetic launching impurity injection device to work for a long time in a high vacuum state, and allowing the recovered armatures to be not damaged so as to accurately research the ablation of the armatures and inversely deduce the sliding electrical reliability of the track and the armature.

[0020] 2. The electromagnetic launching armature recycler for the tokamak device provided by the embodiment of the present application, which increases the use time of the recovery box at one time, reduces the time for opening and closing the vacuum chamber and the vacuum transition, and simultaneously, the electromagnetic launching armature recycler is suitable for long-time work in a strong magnetic field and a high vacuum environment, has strong radiation resistance, and is suitable for the operation of the tokamak device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure schematic view of the electromagnetic launching armature recycler for the tokamak device provided by the embodiment of the present application is shown in the figure;

[0022] Figure 2 The schematic view of the spiral conveying rod of the electromagnetic launching armature recycler for the tokamak device provided by the embodiment of the present application is shown in the figure;

[0023] Figure 3 The structure schematic view of the armature inlet track, the vacuum air outlet and the armature recovery cavity of the electromagnetic launching armature recycler for the tokamak device provided by the embodiment of the present application is shown in the figure;

[0024] Figure 4 The structure schematic view of the armature transmission track of the electromagnetic launching armature recycler for the tokamak device provided by the embodiment of the present application is shown in the figure;

[0025] Figure 5This is a schematic diagram of the structure of a recovery sand storage box for an electromagnetic launch armature recovery device of a tokamak device, provided by an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of a device support for an electromagnetic launch armature recovery unit for a tokamak device, provided as an embodiment of the present invention.

[0027] In all the accompanying drawings, the same reference numerals are used to denote the same elements or structures, wherein: 1-first flange, 2-second flange, 3-third flange, 4-fourth flange, 5-fifth flange, 6-sixth flange, 7-seventh flange, 8-eighth flange, 9-ninth flange, 10-armature inlet rail, 11-vacuum extraction port, 12-armature recovery chamber, 13-armature transmission rail, 14-drive motor housing, 15-recovery sand storage box, 16-screw conveyor rod, 17-device support. Detailed Implementation

[0028] 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. Furthermore, the technical features involved in the various embodiments of this invention described below can be combined with each other as long as they do not conflict with each other.

[0029] The following description, in conjunction with a preferred embodiment, illustrates the content involved in the above embodiments.

[0030] like Figure 1 As shown, an electromagnetic launch armature recoverer for a tokamak device includes: an armature inlet rail 10, a vacuum evacuation port 11, an armature recovery chamber 12, a drive motor housing 14, a screw conveyor 16, a recovery sand storage box 15, an armature transmission rail 13, and multiple sealing devices.

[0031] The vacuum extraction port 11 is connected to a vacuum pump to expel air from the electromagnetic transmitter armature recovery unit; the sealing device is provided at each connection point to maintain the vacuum state inside the electromagnetic transmitter armature recovery unit.

[0032] The armature inlet track 10 is located at the upper end of the electromagnetic transmitter armature receiver. One end of the armature inlet track 10 is connected to the tokamak device for receiving the armature, and the other end is connected to the armature recovery cavity 12. The armature recovery cavity is filled with buffer sand.

[0033] One end of the armature transmission track 13 is connected below the armature recovery cavity, and the spiral conveying rod 16 is arranged in the armature transmission track; one end of the spiral conveying rod 16 is connected with the driving motor in the driving motor box 14, and is used for following the driving motor to rotate, driving the armature and the buffer sand mixed along the armature transmission track 13 to move.

[0034] The recovery sand storage box 15 is connected below the other end of the armature transmission track 16, and is used for recovering the armature and the buffer sand.

[0035] In order to ensure the air tightness of the whole device, the device is externally vacuumized by the vacuum air outlet, and meanwhile, the transparent cover plate is arranged on the vacuum air outlet, which is used as an observation window to observe the state of the buffer sand and the armature in the armature recovery cavity and the armature transmission track, so as to observe the working condition of the spiral conveying rod.

[0036] The sealing device adopted in the embodiment is a flange plate and a rubber ring. The second flange plate 2 is arranged at the armature inlet track opening, so as to be connected with the electromagnetic injection device, and to receive the armature to be recovered. The first flange plate 1 on the vacuum air outlet is in a rectangular structure, and is externally connected with a blind plate flange. The armature recovery cavity is shown in Figure 3 , and is in a rectangular body structure. The structure diagram of the armature transmission track is shown in Figure 4 . There are two openings on the upper and lower parts, respectively, and the third flange plate 3 and the ninth flange plate 9 are arranged. The third flange plate 3 is connected with the fourth flange plate 4, so as to be connected with the recovery sand storage box 15. The ninth flange plate 9 is connected with the armature recovery cavity 12. One end of the armature transmission track 13 is closed and has a straight hole, which is used for connecting the motor. One end of the opening is connected with the fifth flange plate 5, and is externally connected with a blind plate flange, so as to facilitate the removal of the spiral conveying rod 16 for maintenance. The spiral conveying rod 16 is connected with the driving motor through the straight hole on the wall of the armature transmission track 13, and the other end is connected with the flange with a bearing structure in the armature transmission track 13. The driving motor is arranged in the driving motor box 14, and the sixth flange plate 6 is arranged at the opening of the driving motor box. The ports of the armature inlet track 10, the armature transmission track 13, the vacuum air outlet 11, the armature recovery cavity 12 and the recovery sand storage box 15 are externally connected with flanges. The armature recovery cavity 12 and the transmission track 13 are sealed by the flange plate and the rubber ring.

[0037] The armature inlet track 10, the armature recovery cavity 12, the spiral conveying rod 16, the recovery sand storage box 15, the vacuum air outlet 11, the armature transmission track 13, the driving motor box 14 and the flange plate are all made of 316 or 316L stainless steel. The spiral conveying rod 16 in the armature transmission track is shown in Figure 2As shown, the auger structure is composed of a rotating rod and helical blades. The length of the helical conveying rod 16 is adapted to the diameter of the armature transmission track 13, and the diameter of the helical blade of the helical conveying rod is slightly smaller than the diameter of the armature transmission track. The driving motor used in the driving motor box 14 is a vacuum motor, which can be used in a high vacuum environment with a vacuum degree of .

[0038] When the electromagnetic emission armature recycler is in operation, the armatures enter from the armature inlet track 10, pass through the armature recovery cavity 12, and reach the armature transmission track 13. The helical conveying rod 16 driven by the driving motor rotates to push the armatures into the transmission port at the bottom of the armature transmission track 13, and the armatures fall into the recovery sand tank 15, completing a recovery process. In the armature recovery cavity 12, the falling armatures are buffered by the buffer sand. When the armature recovery cavity 12 is filled with buffer sand, the armature inlet track 10 enters an armature, and the helical conveying rod 16 driven by the driving motor rotates for a certain period of time. When the helical conveying rod 16 rotates, the buffer sand and armature mixture in the armature transmission track 13 moves with the helical conveying rod, enters the recovery sand tank from the connection between the armature transmission track 13 and the recovery sand tank 15, and the buffer sand in the armature recovery cavity 12 enters the armature transmission track 13 from below the armature recovery cavity 12. Therefore, a depression is formed in the buffer sand pile in the middle of the armature recovery cavity 12, and the armature enters the buffer sand pile with the movement of the buffer sand. The buffer sand near the side wall of the armature recovery cavity 12 moves to the middle depression to bury the armature. At this time, the driving motor stops rotating. When the next armature enters the armature recovery cavity 12, the above operation is repeated. The electromagnetic emission armature recycler provided in the embodiment can buffer the armatures with buffer sand, and the movement of the helical conveying rod 16 drives the buffer sand and armatures to form a mixture, avoiding collision with subsequent recovered armatures and causing damage to the electromagnetic injection device and the tokamak device.

[0039] Further, the armature inlet track 10, the armature recovery cavity 12, the vacuum exhaust port 11, and the armature transmission track 13 can all be filled with buffer sand, and the size of the recovery sand tank can be appropriately increased. By increasing the buffer sand, the number of armatures recovered by the disassembled recovery sand tank 15 can be increased, the frequency of disassembling the recovery sand tank 15 can be reduced, and the working time of the tokamak device connected thereto can be prolonged.

[0040] The embodiment of the present application solves the technical problems of the stacking of the armature in the sand box, the collision between the armatures, the damage of the armatures, the damage of the Tokamak device, the damage of the vacuum state of the device caused by the replacement of the sand box or the extraction of the armature in the sand box, and the like, when the armature is recycled, by rotating the armature and the buffer sand mixed with the armature to enter the recycling sand storage box 15, so as to reduce the loss of the armature, and the armature can be reused, and the time for opening the vacuum chamber and the vacuum transition is reduced.

[0041] Optionally, the armature inlet track 10 is obliquely arranged, and the inner wall is smooth.

[0042] The armature inlet track 10 is obliquely arranged, so that the armature is buffered when entering the recycling device; the inner wall of the armature inlet track 10 is smoothly connected with the armature recycling cavity 12, and the edge and corner are rounded, so that the armature is further buffered, and the loss in the recycling process of the armature is reduced.

[0043] Optionally, the bottom of the recycling sand storage box 15 is obliquely arranged with a partition.

[0044] The partition forms an inclined surface at the bottom of the recycling sand storage box 15, so that the buffer sand and the armature entering the recycling sand storage box 15 are not stacked, the volume of the recycled mixture is increased, and the time for using the recycling sand storage box 15 once is prolonged.

[0045] Optionally, the periphery of the armature recycling cavity 12 is reinforced with a trapezoidal rib plate.

[0046] As shown in Figure 3 , the periphery of the armature recycling cavity 12 is reinforced with a trapezoidal rib plate, so as to reduce the sealing vibration of the vacuum chamber.

[0047] Optionally, the electromagnetic emission armature recycling device further comprises a device support 17.

[0048] The device support 17 is fixedly connected with the armature recycling cavity 12 and the armature transmission track 13 through bolts, and is fixed to the ground through bolts, so as to maintain the stability of the electromagnetic emission armature recycling device.

[0049] As shown in Figure 3 , Figure 4 , Figure 5 , and Figure 6As shown, the device support 17 is a hollow cuboid support structure in the middle, including an upper end face, a lower end face and four support columns; the upper end face is a U-shaped structure, and 12 evenly distributed threaded holes are arranged on the upper end face; one side of the upper end face is connected with the armature recovery cavity 12 through a rectangular seventh flange plate 7, and the other side is connected with the armature transmission track 13 through a rectangular eighth flange plate 8, and the two are tightly connected through bolts and sealed through rubber rings; the lower end face is rectangular, and a plurality of evenly distributed threaded holes are arranged on the upper end face, and the device is connected with the ground through bolts, so that it can be fixed on the ground and the stability of the entire device is improved. Further, the device support 17 further includes an inclined support part arranged on one side, such as Figure 6 As shown, the triangle is formed by the inclined support part, the direct support column of the device and the ground, for improving the stability of the device support 17.

[0050] Those skilled in the art can easily understand that the above description is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electromagnetic launchers armature recycler for a tokamak device, characterized in that, The electromagnetic launching armature recycler comprises a vacuum air outlet, an armature inlet track, an armature recovery cavity, an armature transmission track, a spiral conveying rod, a driving motor box, a recovery sand storage box and a plurality of sealing devices. The vacuum air outlet is connected with a vacuum air pump to discharge air in the electromagnetic launching armature recycler. The armature inlet track is arranged at the upper end of the electromagnetic launching armature recycler. The armature transmission track is connected with the armature recovery cavity below. The spiral conveying rod is connected with the driving motor in the driving motor box. The recovery sand storage box is connected with the other end of the armature transmission track below.

2. The electromagnetic launch armature recycler of claim 1, wherein, The armature inlet track is arranged obliquely and has a smooth inner wall.

3. The electromagnetic launch armature recycler of claim 1, wherein, The vacuum air outlet is provided with a transparent cover plate as an observation window.

4. The electromagnetic launch armature recycler of claim 1, wherein, The bottom of the recovery sand storage box is provided with a partition arranged obliquely.

5. The electromagnetic launch armature recycler of claim 1, wherein, The armature recovery cavity is reinforced with trapezoidal ribs.

6. The electromagnetic launch armature recycler of claim 1, wherein, The spiral conveying rod has a screw auger structure comprising a rotating rod and spiral blades.

7. The electromagnetic launch armature recycler of claim 1, wherein, The electromagnetic launching armature recycler further comprises a device support. The device support is fixed with the armature recovery cavity and the armature transmission track by bolts and is fixed to the ground by bolts to maintain the stability of the electromagnetic launching armature recycler.

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