Pollution detection and removal system for nuclear waste barrel

Abstract

The utility model particularly relates to a pollution detection and removal system of a nuclear waste barrel, and belongs to the technical field of pollution detection and removal of nuclear waste barrels. The barrel moving device comprises a supporting frame, a barrel moving device, a conveying roller way and a rotating device. The barrel moving device is arranged on the top of the supporting frame and can move in the long side edge direction of the supporting frame. The conveying roller way is used for conveying the vertical nuclear waste barrel from a starting position to a clamping position, and the barrel moving device is used for clamping the vertical nuclear waste barrel on the conveying roller way, overturning the vertical nuclear waste barrel into an inverted state and then placing the inverted nuclear waste barrel on the rotating device; according to the utility model, the vertical nuclear waste barrel on the conveying roller way is clamped on the rotating device through the moving device and is changed into a horizontal shape, and at the moment, the integrated detection and decontamination device is used for carrying out pollution detection and decontamination on the barrel surface and the bottom and the top of the barrel body of the nuclear waste barrel on the rotating device, so that dead-corner-free detection and decontamination of the nuclear waste barrel are realized.

Description

Technical Field

[0001] This utility model specifically relates to a contamination detection and removal system for nuclear waste containers, belonging to the field of nuclear waste container contamination detection and removal technology. Background Technology

[0002] Nuclear waste containers have become a key medium for the temporary storage, transportation, and final disposal of these radioactive solid wastes.

[0003] Some used nuclear waste containers need to undergo contamination detection and removal before they can be reused. However, existing detection and decontamination devices have blind spots in both detection and decontamination. Specifically, the bottom support area of ​​the nuclear waste container cannot be used for contamination detection and removal, posing a significant safety hazard. Utility Model Content

[0004] The technical problem to be solved by this invention is: how to conduct comprehensive contamination detection and removal on nuclear waste containers.

[0005] To solve the above-mentioned technical problems, the technical solution proposed by this utility model is: a contamination detection and removal system for nuclear waste containers, including a support frame, a container moving device, a conveyor roller conveyor, and a rotating device; the container moving device is located on the top of the support frame and can move along the long side of the support frame; the conveyor roller conveyor is located on the bottom surface of the support frame near a short side frame of the support frame; the rotating device is located beside the conveyor roller conveyor; the rotating device is used to place the nuclear waste container in a horizontal position; the conveyor roller conveyor is used to transport the nuclear waste container in an upright position from the initial position to the clamping position, characterized in that: the container moving device is used to clamp the nuclear waste container in an upright position from the conveyor roller conveyor, flip it into a horizontal position, and then place it... The contamination detection and removal system for the nuclear waste container also includes a detection and decontamination device located on the bottom surface of the support frame near another short side frame of the support frame. The detection and decontamination device includes a moving track, a detection mechanism moving platform, and a detection mechanism. The detection mechanism moving platform is located on the moving track. The detection mechanism includes a detection probe telescopic device, two-end detection probes, a cylinder wall detection probe, and an L-shaped mounting plate. The detection probe telescopic device is mounted on the detection mechanism moving platform. The two-end detection probes are connected to the extended ends of the detection probe telescopic device via the L-shaped mounting plate. The cylinder wall detection probe is located on the edge of the detection mechanism moving platform near the rotating device via the L-shaped mounting plate.

[0006] Furthermore, the detection and decontamination device also includes a decontamination mechanism moving platform and a decontamination mechanism; the decontamination mechanism includes a decontamination gripper telescopic device and a decontamination sponge gripper; the decontamination gripper telescopic device is mounted on the decontamination mechanism moving platform; the decontamination sponge gripper is mounted on the extended end of the decontamination gripper telescopic device.

[0007] Furthermore, the moving track is fixed to the ground and is engaged with the rack on the side wall of the moving track by the first gear under the moving platform of the detection mechanism and the second gear under the moving platform of the decontamination mechanism, respectively.

[0008] Furthermore, the two parallel long side frames on the top surface of the support frame form two slide rails; the bucket moving device includes an L-shaped X-axis moving beam, a Z-axis moving beam, and a centering clamping and flipping mechanism; the long side of the L-shape of the X-axis moving beam is parallel to the ground and has a sliding groove; the X-axis moving beam is engaged on the slide rail through the sliding groove; the short side of the L-shape of the X-axis moving beam is perpendicular to the ground and has a hollow groove; the Z-axis moving beam is inserted into the hollow groove; the centering clamping and flipping mechanism is located on the end of the Z-axis moving beam near the ground; the centering clamping and flipping mechanism includes two opposing L-shaped clamping blocks located on the end of the Z-axis moving beam near the ground; the long sides of the L-shapes of the two L-shaped clamping blocks are both perpendicular to the ground and the ends of the long sides are connected to a centering clamp through a flipping shaft.

[0009] Furthermore, the bucket-moving device includes an XZ-axis moving truss, a bucket-moving arm mounting platform, a bucket-moving arm, a centering and flipping gripper, and a centering and flipping motor; the XZ-axis moving truss is mounted on the top of the support frame; the X-axis moving frame of the XZ-axis moving truss is parallel to the two parallel long sides of the top surface of the support frame; the bucket-moving arm mounting platform is mounted on the Z-axis moving frame of the XZ-axis moving truss; the bucket-moving arm is mounted on the bucket-moving arm mounting platform and is perpendicular to the ground; the centering and flipping gripper is mounted on the end of the bucket-moving arm near the ground; the centering and flipping motor is mounted on the centering and flipping gripper and connected to the centering and flipping gripper.

[0010] Furthermore, the bucket-moving device also includes an X-axis motion servo motor, a Z-axis motion servo motor, a centering and clamping servo motor, and a flipping motor; the X-axis motion servo motor is disposed on the side of the short side of the L-shape of the X-axis moving beam, and the output shaft end of the X-axis motion servo motor is close to the long side of the L-shape of the X-axis moving beam; the Z-axis motion servo motor is disposed on the top of the Z-axis moving beam, and the output shaft end of the Z-axis motion servo motor is close to the top surface of the Z-axis moving beam; the centering and clamping servo motor is disposed on the lower part of the Z-axis moving beam, and the output shaft end of the centering and clamping servo motor is connected to the short side of the L-shaped clamping block; the flipping motor is disposed on the outside of the long side of the L-shaped structure of the L-shaped clamping block, and the output shaft of the flipping motor is connected to two flipping shafts respectively.

[0011] The beneficial effects of this utility model are as follows: This utility model uses a moving device to clamp the vertical nuclear waste bins on the conveyor rollers onto the rotating device, turning them into a horizontal position. At this time, the integrated detection and decontamination device performs contamination detection and decontamination on the surface, bottom and top of the nuclear waste bins on the rotating device, realizing the detection and decontamination of nuclear waste bins without dead angles. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the contamination detection and removal system for the nuclear waste container in Example 1.

[0013] Figure 2 yes Figure 1 A schematic diagram of the bucket-moving device in the diagram.

[0014] Figure 3 This is a schematic diagram of the moving track structure of the detection and decontamination device in Embodiment 1.

[0015] Figure 4 yes Figure 3 Side view.

[0016] Figure 5 This is a schematic diagram of the detection mechanism in the detection and decontamination device in Embodiment 1.

[0017] Figure 6 This is a schematic diagram of the decontamination mechanism in the detection and decontamination device in Embodiment 1.

[0018] Figure 7 This is a schematic diagram of the bucket-moving device in Embodiment 2. Detailed Implementation

[0019] The following description, in conjunction with the accompanying drawings and specific embodiments, further illustrates the contamination detection and removal system for nuclear waste containers according to this utility model. Example 1

[0020] The contamination detection and removal system for nuclear waste containers in this embodiment, such as Figure 1 As shown, it includes a support frame 1, a barrel-moving device 2, a conveyor roller conveyor 3, a rotary device 4, and a detection and decontamination device 5; the two parallel long side frames on the top surface of the support frame 1 form two slide rails; the barrel-moving device 2 is set on the top of the support frame 1 and can move along the long side of the support frame 1 on the slide rails; the conveyor roller conveyor 3 is set on the bottom surface of the support frame 1 near a short side frame of the support frame 1; the rotary device 4 is set next to the conveyor roller conveyor 3; the rotary device 4 is used to place the nuclear waste barrel in a horizontal position; the conveyor roller conveyor 3 is used to transport the nuclear waste barrel in an upright position from the starting position to the clamping position; the barrel-moving device 2 is used to clamp the nuclear waste barrel in an upright position from the conveyor roller conveyor 3, flip it into a horizontal position, and then place it on the rotary device 4;

[0021] like Figure 2 As shown, the bucket-moving device 2 includes an L-shaped X-axis moving beam 21, a Z-axis moving beam 22, a centering clamping and flipping mechanism 23, an X-axis moving servo motor, a Z-axis moving servo motor, a centering clamping servo motor, and a flipping motor; the long side of the L-shape of the X-axis moving beam 21 is parallel to the ground and has a sliding groove; the X-axis moving beam 21 is secured to the slide rail through the sliding groove; the short side of the L-shape of the X-axis moving beam 21 is perpendicular to the ground and has a hollow groove; the Z-axis moving beam 22 is inserted into the hollow groove; the centering clamping and flipping mechanism 23 is located at the end of the Z-axis moving beam 22 near the ground; the centering clamping and flipping mechanism 23 includes two opposing L-shaped clamping blocks 231 located at the end of the Z-axis moving beam 22 near the ground; the two L-shaped clamping blocks... The long sides of the L-shaped clamping block 231 are all perpendicular to the ground, and the ends of the long sides are all connected to the centering clamps 233 via the flipping shafts 232. The X-axis moving servo motor is located on the side of the short side of the L-shaped moving beam 21, and the output shaft of the X-axis moving servo motor is close to the long side of the L-shaped moving beam 21. The Z-axis moving servo motor is located on the top of the Z-axis moving beam 22, and the output shaft of the Z-axis moving servo motor is close to the top surface of the Z-axis moving beam. The centering clamping servo motor is located at the bottom of the Z-axis moving beam, and the output shaft of the centering clamping servo motor is connected to the short side of the L-shaped clamping block 231. The flipping motor is located on the outside of the long side of the L-shaped structure of the L-shaped clamping block 231, and the flipping motor is connected to two flipping shafts 232 respectively. The barrel moving device 2 is used to clamp the nuclear waste barrel from the conveyor roller 3 to the rotary device 4.

[0022] The contamination detection and removal system for the nuclear waste container in this embodiment also includes a detection and decontamination device disposed on the bottom surface of the support frame near another short side frame of the support frame, such as... Figure 3 and 4 As shown, the detection and decontamination device 5 includes a moving track 51, a detection mechanism moving platform 52, a decontamination mechanism moving platform 53, a detection mechanism 54, and a decontamination mechanism 55. The moving track 51 is fixed to the ground. The detection mechanism moving platform 52 and the decontamination mechanism moving platform 53 are both mounted on the moving track 51, and are respectively engaged with the rack 57 on the side wall of the moving track 51 by the first gear 521 under the detection mechanism moving platform 52 and the second gear 531 under the decontamination mechanism moving platform 53. Figure 5 As shown, the detection mechanism 54 includes a detection probe telescopic device 541, two-end detection probes 542, a cylinder wall detection probe 543, and an L-shaped mounting plate 544; the detection probe telescopic device 541 is mounted on the detection mechanism moving platform 52; the two-end detection probes 542 are connected to the extended ends of the detection probe telescopic device 541 via the L-shaped mounting plate 544; the cylinder wall detection probe 543 is positioned on the edge of the detection mechanism moving platform 52 near the nuclear waste container via the L-shaped mounting plate 544; Figure 6As shown, the decontamination mechanism 55 includes a decontamination gripper telescopic member 551 and a decontamination sponge gripper 552; the decontamination gripper telescopic member 551 is mounted on the moving platform 53 of the decontamination mechanism; the decontamination sponge gripper 552 is mounted on the extended end of the decontamination gripper telescopic member 551. The detection and decontamination device 5 is used to detect and remove contamination from the nuclear waste container on the rotary device 4.

[0023] The workflow of the pollution detection and removal system in this embodiment is as follows:

[0024] 1) The nuclear waste bins to be tested and decontaminated are moved to the designated position via conveyor roller 3;

[0025] 2) The centering clamping and flipping mechanism 23 on the barrel transfer device 2 clamps the barrel under the drive of the centering clamping servo motor. At this time, the flipping motor drives the flipping shaft 232 on the centering clamping and flipping mechanism 23 to rotate, causing the centering clamp 233 to flip and change the vertical nuclear waste barrel to a horizontal position and place it on the rotary device 4.

[0026] 3) The rotary device 4 drives the nuclear waste container, which is placed horizontally on the rotary device 4, to rotate;

[0027] 4) Driven by a motor, the moving platform 52 of the detection mechanism in the decontamination device 5 moves the detection mechanism 54 to the detection position through the cooperation of the first gear 521 and the rack 57, and the detection begins. During the process, the moving platform 52 of the detection mechanism works with the telescopic probe 541 to complete the movement in the X and Y directions. The rotation device 4, the moving platform 52 of the detection mechanism, and the telescopic probe 541 work together to enable the detection probes 542 at both ends and the cylinder wall detection probe 543 to complete the detection of all surfaces of the nuclear waste container.

[0028] 5) Based on the detection results, the system determines which areas need to be wiped.

[0029] 6) Driven by a motor, the decontamination mechanism moving platform 54, through the cooperation of the second gear 541 and rack 57, moves the decontamination mechanism 55 to the position requiring wiping to begin decontamination. During the process, the decontamination mechanism moving platform 53, in conjunction with the decontamination gripper extension mechanism 551, completes the movement in the X and Y directions. The rotating device 4, the decontamination mechanism moving platform 54, and the decontamination gripper extension mechanism 551 work together to grip the decontamination sponge 522, completing the wiping of contamination on the nuclear waste container.

[0030] 7) The barrel transfer device 2 clamps the decontaminated nuclear waste barrel from the rotary device 4 back onto the conveyor roller 3. Example 2

[0031] The contamination detection and removal system for the nuclear waste container in this embodiment is identical to that in Embodiment 1, except for the structure of the container transfer device 2.

[0032] The structure of the bucket-moving device 2 in this embodiment is as follows: Figure 7 As shown, the system includes an XZ-axis moving truss 24, a bucket-moving arm mounting platform 25, a bucket-moving arm 26, a centering and tilting gripper 27, and a centering and tilting motor 28. The XZ-axis moving truss 24 is mounted on the top of the support frame 1. The X-axis moving frame 241 of the XZ-axis moving truss 24 is parallel to the two parallel long sides of the top surface of the support frame 1. The bucket-moving arm mounting platform 25 is mounted on the Z-axis moving frame 242 of the XZ-axis moving truss 24. The bucket-moving arm 26 is mounted on the bucket-moving arm mounting platform 25 and is perpendicular to the ground. The centering and tilting gripper 27 is mounted on the end of the bucket-moving arm 26 near the ground. The centering and tilting motor 28 is mounted on the centering and tilting gripper 27 and connected to the centering and tilting gripper 27.

Claims

1. A contamination detection and removal system for nuclear waste containers, comprising a support frame, a container moving device, a conveyor roller conveyor, and a rotating device; the container moving device is disposed on the top of the support frame and can move along the long side of the support frame; the conveyor roller conveyor is disposed on the bottom surface of the support frame near a short side edge of the support frame; the rotating device is disposed beside the conveyor roller conveyor; the rotating device is used to place the nuclear waste container in a horizontal position; the conveyor roller conveyor is used to transport the nuclear waste container in an upright position from a starting position to a clamping position, characterized in that: The drum-moving device is used to clamp and flip the nuclear waste drum, which is in an upright position, from the conveyor rollers to a horizontal position before placing it on the rotary device. The contamination detection and removal system for the nuclear waste drum also includes a detection and decontamination device disposed on the bottom surface of the support frame near another short side frame of the support frame. The detection and decontamination device includes a moving track, a detection mechanism moving platform, and a detection mechanism. The detection mechanism moving platform is disposed on the moving track. The detection mechanism includes a detection probe telescopic device, two-end detection probes, a drum wall detection probe, and an L-shaped mounting plate. The detection probe telescopic device is mounted on the detection mechanism moving platform. The two-end detection probes are connected to the extended ends of the detection probe telescopic device through the L-shaped mounting plate. The drum wall detection probe is disposed on the edge of the detection mechanism moving platform near the rotary device through the L-shaped mounting plate.

2. The pollution detection and removal system according to claim 1, characterized in that: The detection and decontamination device further includes a decontamination mechanism moving platform and a decontamination mechanism; the decontamination mechanism moving platform is set on the moving track; the decontamination mechanism includes a decontamination gripper telescopic device and a decontamination sponge gripper; the decontamination gripper telescopic device is installed on the decontamination mechanism moving platform; the decontamination sponge gripper is installed on the extended end of the decontamination gripper telescopic device.

3. The pollution detection and removal system according to claim 2, characterized in that: The moving track is fixed to the ground and is engaged with the rack on the side wall of the moving track by the first gear under the moving platform of the detection mechanism and the second gear under the moving platform of the decontamination mechanism, respectively.

4. The pollution detection and removal system according to any one of claims 1-3, characterized in that: The two parallel long side frames on the top surface of the support frame form two slide rails; the bucket moving device includes an L-shaped X-axis moving beam, a Z-axis moving beam, and a centering clamping and flipping mechanism; the long side of the L-shape of the X-axis moving beam is parallel to the ground and has a sliding groove; the X-axis moving beam is engaged on the slide rail through the sliding groove; the short side of the L-shape of the X-axis moving beam is perpendicular to the ground and has a hollow groove; the Z-axis moving beam is inserted into the hollow groove; the centering clamping and flipping mechanism is located on the end of the Z-axis moving beam near the ground; the centering clamping and flipping mechanism includes two opposing L-shaped clamping blocks located on the end of the Z-axis moving beam near the ground; the long sides of the L-shapes of the two L-shaped clamping blocks are both perpendicular to the ground and the ends of the long sides are connected to a centering clamp through a flipping shaft.

5. The pollution detection and removal system according to any one of claims 1-3, characterized in that: The bucket-moving device includes an XZ-axis moving truss, a bucket-moving arm mounting platform, a bucket-moving arm, a centering and flipping gripper, and a centering and flipping motor; the XZ-axis moving truss is mounted on the top of the support frame; the X-axis moving frame of the XZ-axis moving truss is parallel to the two parallel long sides of the top surface of the support frame; the bucket-moving arm mounting platform is mounted on the Z-axis moving frame of the XZ-axis moving truss; the bucket-moving arm is mounted on the bucket-moving arm mounting platform and is perpendicular to the ground; The centering and flipping gripper is installed on the end of the bucket-moving arm near the ground; the centering and flipping motor is installed on the centering and flipping gripper and connected to the centering and flipping gripper.

6. The pollution detection and removal system according to claim 4, characterized in that: The bucket-moving device further includes an X-axis motion servo motor, a Z-axis motion servo motor, a centering and clamping servo motor, and a flipping motor. The X-axis motion servo motor is located on the short side of the L-shaped X-axis moving beam, and its output shaft is connected to the long side of the L-shaped X-axis moving beam. The Z-axis motion servo motor is located on the top of the Z-axis moving beam, and its output shaft is connected to the top surface of the Z-axis moving beam. The centering and clamping servo motor is located at the bottom of the Z-axis moving beam, and its output shaft is connected to the short side of the L-shaped clamping block. The flipping motor is located on the outside of the long side of the L-shaped structure of the L-shaped clamping block, and its output shaft is connected to two flipping shafts respectively.

Images