Ultrasonic decontamination tank and ultrasonic decontamination device used in radioactive environment

Abstract

The application discloses an ultrasonic decontamination tank and ultrasonic decontamination device for radioactive environment, which comprises an ultrasonic decontamination tank shell, an ultrasonic decontamination tank top cover, a cooling mechanism, an ultrasonic oscillation mechanism and a gas removal mechanism. The ultrasonic decontamination tank top cover is rotationally connected with the ultrasonic decontamination tank shell, and is used for opening and closing the ultrasonic decontamination tank shell by rotating to a preset position. The cooling mechanism, the ultrasonic oscillation mechanism and the gas removal mechanism are arranged in the ultrasonic decontamination tank shell respectively. The ultrasonic oscillation mechanism is used for cleaning through ultrasonic oscillation, and the gas removal mechanism is used for removing the gas accumulated at the bottom of a decontamination container. The ultrasonic decontamination tank and the ultrasonic decontamination device for radioactive environment have good decontamination and cleaning effect on aerosol on the surface of a product container, control the spread of pollution, greatly reduce the pollution to subsequent related equipment and reduce the waste amount.

Description

Technical Field

[0001] This invention belongs to the field of radioactive waste treatment technology, specifically relating to an ultrasonic decontamination tank and ultrasonic decontamination device for use in radioactive environments. Background Technology

[0002] Vitrification technology refers to the process of melting radioactive waste and glass substrate at high temperatures to form a vitrified body. The molten glass is then injected into product containers through a discharge device. During the high-temperature discharge process, radioactive aerosols are formed. Although methods such as gas film protection and negative pressure protection are used to reduce the residue of aerosols on the surface of the product containers, a large amount of aerosols still remain on the surface of the product containers. This can amplify contamination and increase the amount of waste during subsequent transfer and temporary storage of the product containers.

[0003] Therefore, the decontamination and cleaning of product containers is crucial. Since the product container processing is carried out in a hot chamber, existing technologies cannot meet the requirements for decontamination and cleaning of product containers in a radioactive environment. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to address the above-mentioned deficiencies in the prior art by providing an ultrasonic cleaning tank and ultrasonic cleaning device for use in a radioactive environment, which can clean and decontaminate product containers in a radioactive environment to meet testing standards for subsequent processing.

[0005] The technical solution adopted to solve the technical problem of the present invention is to provide an ultrasonic cleaning tank for use in a radioactive environment, comprising: an ultrasonic cleaning tank shell, an ultrasonic cleaning tank top cover, a cooling mechanism, an ultrasonic oscillation mechanism, and a gas removal mechanism. The ultrasonic cleaning tank top cover is rotatably connected to the ultrasonic cleaning tank shell. The ultrasonic cleaning tank top cover opens and closes the ultrasonic cleaning tank shell by rotating to a preset position. The ultrasonic cleaning tank shell is used to hold cleaning fluid to clean the cleaning components. The cooling mechanism, ultrasonic oscillation mechanism, and gas removal mechanism are respectively disposed inside the ultrasonic cleaning tank shell. The cooling mechanism is used to cool the cleaning fluid inside the ultrasonic cleaning tank shell. The ultrasonic oscillation mechanism is used to clean by ultrasonic oscillation. The gas removal mechanism is used to remove the gas accumulated at the bottom of the container being cleaned.

[0006] Preferably, the ultrasonic cleaning tank further includes a first control mechanism and a first execution mechanism. The first control mechanism is connected to the first execution mechanism, and the first execution mechanism is connected to the top cover of the ultrasonic cleaning tank. The first control mechanism is used to control the first execution mechanism to flip the top cover of the ultrasonic cleaning tank to open and close the shell of the ultrasonic cleaning tank.

[0007] Preferably, the ultrasonic cleaning tank further includes: a temperature measuring mechanism disposed within the shell of the ultrasonic cleaning tank; and a cooling mechanism including: a cooling water supply pipe, a cooling pipeline, and a cooling valve. The cooling valve is disposed on the cooling water supply pipe, and the cooling water supply pipe is connected to the cooling pipeline. The cooling pipeline is used to cool the cleaning liquid inside the shell of the ultrasonic cleaning tank. The temperature measuring mechanism is used to detect the liquid temperature inside the shell of the ultrasonic cleaning tank and send it to the first control mechanism. When the temperature detected by the temperature measuring mechanism exceeds the preset temperature, the first control mechanism adjusts the opening of the cooling valve to increase the flow rate of the coolant in the cooling pipeline.

[0008] Preferably, the ultrasonic cleaning tank further includes: a first liquid level detection mechanism disposed inside the shell of the ultrasonic cleaning tank, the first liquid level detection mechanism being used to detect the liquid level height inside the shell of the ultrasonic cleaning tank and send it to a first control mechanism, the first control mechanism being used to monitor the liquid level height inside the shell of the ultrasonic cleaning tank.

[0009] Preferably, the ultrasonic cleaning tank further includes: a second actuator and a first frame, the first frame being disposed inside the shell of the ultrasonic cleaning tank, a first control mechanism being connected to the second actuator, the first frame being connected to the ultrasonic oscillation mechanism, and the first control mechanism controlling the second actuator to replace the first frame.

[0010] Preferably, the gas removal mechanism includes at least one compressed air pipe for introducing compressed air into the bottom of the product container inside the ultrasonic cleaning tank housing to remove the gas from the bottom of the product container.

[0011] Preferably, the ultrasonic cleaning tank further includes a first positioning mechanism and a first frame disposed within the shell of the ultrasonic cleaning tank. The first positioning mechanism includes at least one first guide portion, the first guide portion includes a first support portion and a first guide member. The first end of the first support portion is connected to the inner wall of the first frame, the first end of the first guide member is connected to the inner wall of the first frame, the second end of the first guide member is connected to the second end of the first support portion, and the second end of the first guide member is closer to the center of the shell of the ultrasonic cleaning tank than the first end of the first guide member.

[0012] Preferably, the ultrasonic cleaning tank further includes an ultrasonic cleaning tank collection pit, which is located below the ultrasonic cleaning tank shell and is connected and communicated with the ultrasonic cleaning tank shell.

[0013] Preferably, the ultrasonic cleaning tank further includes at least one first outlet pipe, which is connected to the water collection pit of the ultrasonic cleaning tank, and the liquid inside the water collection pit of the ultrasonic cleaning tank is discharged through the first outlet pipe.

[0014] The present invention also provides an ultrasonic decontamination device for use in a radioactive environment, comprising: the above-mentioned ultrasonic decontamination tank and cleaning tank, the cleaning tank comprising a cleaning tank shell, a cleaning tank top cover, and a spraying mechanism, the cleaning tank top cover being rotatably connected to the cleaning tank shell, the cleaning tank top cover opening and closing the cleaning tank shell by rotating to a preset position, the spraying mechanism being disposed inside the cleaning tank shell, and the spraying mechanism being used for spraying.

[0015] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes a second control mechanism and a third execution mechanism. The second control mechanism is connected to the third execution mechanism, and the third execution mechanism is connected to the top cover of the cleaning tank. The second control mechanism is used to control the third execution mechanism to flip the top cover of the cleaning tank to open and close the shell of the cleaning tank.

[0016] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes: a second liquid level detection mechanism disposed inside the cleaning tank housing, the second liquid level detection mechanism being used to detect the liquid level height inside the cleaning tank housing and send it to a second control mechanism, the second control mechanism being used to monitor the liquid level height inside the cleaning tank housing.

[0017] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes a fourth actuator, and the second control mechanism is connected to the fourth actuator, which controls the fourth actuator to replace the spray mechanism.

[0018] Preferably, the spraying mechanism includes at least one spray pipe, which is annular and has nozzles. The spray pipe is used to clean the cleaning component placed at its center.

[0019] Preferably, the ultrasonic cleaning device for use in a radioactive environment further includes a second positioning mechanism and a second frame disposed within the shell of the cleaning tank. The second positioning mechanism includes at least one second guide portion, the second guide portion includes a second support portion and a second guide member. The first end of the second support portion is connected to the inner wall of the second frame, the first end of the second guide member is connected to the inner wall of the second frame, the second end of the second guide member is connected to the second end of the second support portion, and the second end of the second guide member is closer to the center of the cleaning tank shell than the first end of the second guide member.

[0020] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes a cleaning pool sump, which is located below the cleaning pool shell and is connected to and communicates with the cleaning pool shell.

[0021] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes at least one second outlet pipe, which is connected to the water collection pit of the cleaning tank, and the liquid inside the water collection pit of the cleaning tank is discharged through the second outlet pipe.

[0022] The ultrasonic cleaning tank and ultrasonic cleaning device for use in radioactive environments described in this invention have a good cleaning effect on aerosols on the surface of product containers, control the spread of pollution, greatly reduce pollution to subsequent related equipment, and reduce the amount of waste. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the ultrasonic cleaning tank in Embodiment 2 of the present invention;

[0024] Figure 2 This is a schematic diagram of the ultrasonic cleaning tank in Embodiment 2 of the present invention;

[0025] Figure 3 This is a schematic diagram of the cleaning tank in Embodiment 2 of the present invention.

[0026] In the diagram: 1—Ultrasonic cleaning tank shell, 2—Ultrasonic cleaning tank sump, 3—

[0027] First positioning structure, 4—ultrasonic oscillation mechanism, 5—cooling mechanism, 6—gas removal mechanism, 7—ultrasonic cleaning tank top cover, 8—cleaning tank shell, 9—cleaning tank water collection pit, 10—second positioning structure, 11—cleaning tank top cover, 12—spraying mechanism. Detailed Implementation

[0028] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0030] In the description of this patent, it should be understood that the terms “center,” “upper,” “lower,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this patent.

[0031] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0032] Example 1

[0033] This embodiment provides an ultrasonic cleaning tank for use in a radioactive environment, including: an ultrasonic cleaning tank shell, an ultrasonic cleaning tank top cover, a cooling mechanism, an ultrasonic oscillation mechanism, and a gas removal mechanism. The ultrasonic cleaning tank top cover is rotatably connected to the ultrasonic cleaning tank shell. The ultrasonic cleaning tank top cover opens and closes the ultrasonic cleaning tank shell by rotating to a preset position. The ultrasonic cleaning tank shell is used to hold cleaning fluid to clean the cleaning components. The cooling mechanism, ultrasonic oscillation mechanism, and gas removal mechanism are respectively disposed inside the ultrasonic cleaning tank shell. The cooling mechanism is used to cool the cleaning fluid inside the ultrasonic cleaning tank shell. The ultrasonic oscillation mechanism is used to clean by ultrasonic oscillation. The gas removal mechanism is used to remove the gas accumulated at the bottom of the container being cleaned.

[0034] This embodiment also provides an ultrasonic decontamination device for use in a radioactive environment, including: the ultrasonic decontamination tank and the cleaning tank mentioned above. The cleaning tank includes a cleaning tank shell, a cleaning tank top cover, and a spraying mechanism. The cleaning tank top cover is rotatably connected to the cleaning tank shell. The cleaning tank top cover opens and closes the cleaning tank shell by rotating to a preset position. The spraying mechanism is disposed inside the cleaning tank shell and is used for spraying.

[0035] The ultrasonic cleaning tank and ultrasonic cleaning device for use in a radioactive environment in this embodiment have a good cleaning effect on aerosols on the surface of product containers, control the spread of pollution, greatly reduce pollution to subsequent related equipment, and reduce the amount of waste.

[0036] Example 2

[0037] like Figure 1 , 2As shown, this embodiment provides an ultrasonic cleaning tank for use in a radioactive environment, including: an ultrasonic cleaning tank housing 1, an ultrasonic cleaning tank top cover 7, a cooling mechanism 5, an ultrasonic oscillation mechanism 4, and a gas removal mechanism 6. The ultrasonic cleaning tank top cover 7 is rotatably connected to the ultrasonic cleaning tank housing 1. The ultrasonic cleaning tank top cover 7 opens and closes the ultrasonic cleaning tank housing 1 by rotating to a preset position. The ultrasonic cleaning tank housing 1 is used to hold cleaning fluid to clean the cleaning components. The cooling mechanism 5, the ultrasonic oscillation mechanism 4, and the gas removal mechanism 6 are respectively disposed inside the ultrasonic cleaning tank housing 1. The cooling mechanism 5 is used to cool the cleaning fluid inside the ultrasonic cleaning tank housing 1. The ultrasonic oscillation mechanism 4 is used to clean by ultrasonic oscillation. The gas removal mechanism 6 is used to remove the gas accumulated at the bottom of the decontaminated container.

[0038] The ultrasonic oscillation mechanism 4 is detachably connected to the ultrasonic cleaning tank housing 1. The ultrasonic oscillation mechanism 4 is replaceable and is specifically an ultrasonic oscillator. The ultrasonic cleaning tank is a flat-bottomed cylindrical container with a hinged lid.

[0039] Preferably, the ultrasonic cleaning tank further includes a first control mechanism and a first execution mechanism. The first control mechanism is connected to the first execution mechanism, and the first execution mechanism is connected to the top cover 7 of the ultrasonic cleaning tank. The first control mechanism is used to control the first execution mechanism to flip the top cover 7 of the ultrasonic cleaning tank to open and close the ultrasonic cleaning tank shell 1. Specifically, the first execution mechanism is a robotic arm.

[0040] Preferably, the ultrasonic cleaning tank further includes: a temperature measuring mechanism disposed within the ultrasonic cleaning tank shell 1; and a cooling mechanism 5 comprising: a cooling water supply pipe, a cooling pipeline, and a cooling valve, wherein the cooling valve is disposed on the cooling water supply pipe, the cooling water supply pipe is connected to the cooling pipeline, the cooling pipeline is used to cool the cleaning liquid within the ultrasonic cleaning tank shell 1, and the temperature measuring mechanism is used to detect the liquid temperature within the ultrasonic cleaning tank shell 1 and send it to the first control mechanism. When the temperature detected by the temperature measuring mechanism exceeds a preset temperature, the first control mechanism adjusts the opening of the cooling valve to increase the flow rate of the coolant in the cooling pipeline.

[0041] Specifically, in this embodiment, the cooling pipe is a cooling ring pipe, which eliminates the heat generated by the product container and the ultrasonic oscillator through the cooling mechanism 5. The product container refers to a container specifically designed for holding solidified waste glass.

[0042] In this embodiment, the ultrasonic cleaning tank is used for cleaning and decontaminating containers for glass curing products from high-temperature waste liquid from ceramic electric melting furnaces.

[0043] To allow product containers to be stacked vertically without pressure on their tops, each container has an inwardly concave spherical structure at its bottom. During the process of vertically placing the product containers into the ultrasonic cleaning tank, some gas may remain.

[0044] The ultrasonic cleaning tank housing 1 is equipped with a temperature measuring point. The cooling valve connected to the cooling water supply pipe is a pneumatic regulating valve, which automatically adjusts the cooling water flow rate during cleaning of the product containers inside the ultrasonic cleaning tank housing 1 to ensure that the temperature inside the ultrasonic cleaning tank housing 1 is lower than or equal to the maximum temperature. The target temperature of the cleaning solution inside the ultrasonic cleaning tank housing 1 can be adjusted by the first control mechanism.

[0045] Preferably, the ultrasonic cleaning tank further includes: a first liquid level detection mechanism disposed within the ultrasonic cleaning tank housing 1, the first liquid level detection mechanism being used to detect the liquid level height within the ultrasonic cleaning tank housing 1 and send it to a first control mechanism, the first control mechanism being used to monitor the liquid level height within the ultrasonic cleaning tank housing 1. The ultrasonic cleaning tank is also equipped with a liquid level measuring point for monitoring the liquid level height within the ultrasonic cleaning tank.

[0046] Preferably, the ultrasonic cleaning tank further includes: a second actuator and a first frame. The first frame is disposed within the shell 1 of the ultrasonic cleaning tank. A first control mechanism is connected to the second actuator, and the first frame is connected to the ultrasonic oscillation mechanism 4. The first control mechanism controls the second actuator to replace the first frame. Specifically, the ultrasonic oscillation mechanism 4 is an ultrasonic oscillator. Specifically, the second actuator is a crane.

[0047] Inside the ultrasonic cleaning tank housing 1, an ultrasonic oscillator is installed at a radial position around the cylinder of the ultrasonic cleaning tank housing 1 and on a first frame at the bottom of the cylinder. This first frame can be replaced remotely.

[0048] Preferably, the gas removal mechanism 6 includes at least one compressed air pipe for introducing compressed air into the bottom of the product container inside the ultrasonic cleaning tank housing 1 to remove gas from the bottom of the product container. The compressed air pipe leads to the bottom of the product container.

[0049] In order to remove the gas accumulated at the bottom of the product container when it is placed in the cleaning solution, a bottom gas removal mechanism 6 is provided at the bottom of the ultrasonic cleaning tank housing 1 to remove the gas accumulated at the bottom of the product container.

[0050] To prevent the cleaning solution from splashing out during cleaning, the top of the ultrasonic cleaning tank housing 1 is equipped with a hinged, openable ultrasonic cleaning tank top cover 7.

[0051] Preferably, the ultrasonic cleaning tank further includes a first positioning mechanism and a first frame disposed within the ultrasonic cleaning tank housing 1. The first positioning mechanism includes at least one first guide portion, the first guide portion includes a first support portion and a first guide member. The first end of the first support portion is connected to the inner wall of the first frame, the first end of the first guide member is connected to the inner wall of the first frame, the second end of the first guide member is connected to the second end of the first support portion, and the second end of the first guide member is closer to the center of the ultrasonic cleaning tank housing 1 relative to the first end of the first guide member.

[0052] The first positioning mechanism is located at the center of the ultrasonic cleaning tank shell 1, which facilitates the centering and positioning of the product container within the ultrasonic cleaning tank shell 1.

[0053] Preferably, the ultrasonic cleaning tank further includes an ultrasonic cleaning tank collection pit 2, which is located below the ultrasonic cleaning tank shell 1 and is connected and communicates with the ultrasonic cleaning tank shell 1. The ultrasonic cleaning tank collection pit 2 is used to completely drain the cleaning liquid from the ultrasonic cleaning tank.

[0054] Preferably, the ultrasonic cleaning tank further includes at least one first outlet pipe, which is connected to the ultrasonic cleaning tank collection pit 2, and the liquid inside the ultrasonic cleaning tank collection pit 2 is discharged through the first outlet pipe.

[0055] like Figures 1-3 As shown, this embodiment also provides an ultrasonic decontamination device for use in a radioactive environment, including: the ultrasonic decontamination tank and the cleaning tank mentioned above. The cleaning tank includes a cleaning tank shell 8, a cleaning tank top cover 11, and a spray mechanism 12. The cleaning tank top cover 11 is rotatably connected to the cleaning tank shell 8. The cleaning tank top cover 11 opens and closes the cleaning tank shell 8 by rotating to a preset position. The spray mechanism 12 is disposed inside the cleaning tank shell 8 and is used to perform spraying.

[0056] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes a second control mechanism and a third execution mechanism. The second control mechanism is connected to the third execution mechanism, and the third execution mechanism is connected to the top cover 11 of the cleaning tank. The second control mechanism is used to control the third execution mechanism to flip the top cover 11 of the cleaning tank to open and close the cleaning tank shell 8. Specifically, the third execution mechanism is a robotic arm.

[0057] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes: a second liquid level detection mechanism disposed within the cleaning tank housing 8, the second liquid level detection mechanism being used to detect the liquid level height within the cleaning tank housing 8 and send it to a second control mechanism, the second control mechanism being used to monitor the liquid level height within the cleaning tank housing 8. A liquid level measuring point is provided within the cleaning tank housing 8.

[0058] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes a fourth actuator, and the second control mechanism is connected to the fourth actuator. The second control mechanism controls the fourth actuator to replace the spray mechanism 12. Specifically, the fourth actuator is a crane.

[0059] Preferably, the spraying mechanism 12 includes at least one spray pipe, which is annular and forms a spray ring pipe. Nozzles are provided on the spray pipe, which is used to clean the cleaning component placed at its center. The nozzles are located at the bottom of the cleaning tank housing 8, and the nozzles rinse away residual cleaning solution from the surface of the product container. This internal component can be replaced remotely.

[0060] Preferably, the ultrasonic cleaning device for use in a radioactive environment further includes a second positioning mechanism and a second frame disposed within the cleaning tank housing 8. The second positioning mechanism includes at least one second guide portion, which includes a second support portion and a second guide member. The first end of the second support portion is connected to the inner wall of the second frame, the first end of the second guide member is connected to the inner wall of the second frame, and the second end of the second guide member is connected to the second end of the second support portion. The second end of the second guide member is closer to the center of the cleaning tank housing 8 than the first end of the second guide member.

[0061] The second positioning mechanism is located at the center of the cleaning tank shell 8, which facilitates the centering and positioning of the product container within the cleaning tank shell 8.

[0062] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes a cleaning pool collection pit 9, which is located below the cleaning pool shell 8 and is connected to and communicates with the cleaning pool shell 8.

[0063] The cleaning tank is a flat-bottomed cylindrical container with a hinged lid. A water collection pit 9 is provided at the bottom to completely drain the cleaning liquid from the cleaning tank.

[0064] Preferably, the ultrasonic decontamination device for use in a radioactive environment further includes at least one second outlet pipe, which is connected to the water collection pit 9 of the cleaning tank, through which the liquid inside the water collection pit 9 of the cleaning tank is discharged.

[0065] To prevent the cleaning solution from splashing out during cleaning, the top of the cleaning tank housing 8 is equipped with a hinged, openable cleaning tank top cover 11.

[0066] The vitrified body produced after the high-level radioactive waste liquid is vitrified enters the product container. After the product container is welded, its surface is cleaned using an ultrasonic cleaning device. The cleaning solution inside the ultrasonic cleaning tank shell 1 is typically a 1 mol / L nitric acid solution. The ultrasonic cleaning tank top cover 7 is opened remotely, and the product container is hoisted into the ultrasonic cleaning tank shell 1. The first positioning structure 3 ensures the product container is in the appropriate position within the ultrasonic cleaning tank shell 1. The ultrasonic cleaning tank top cover 7 is then closed remotely, and the gas removal mechanism 6 removes gas from the concave spherical area at the bottom of the product container. Then, the ultrasonic oscillation mechanism 4 is electrically activated for ultrasonic cleaning, which lasts approximately 2 hours, removing contaminants adhering to the surface of the product container. During the cleaning process, the temperature of the cleaning solution inside the ultrasonic cleaning tank shell is monitored by a temperature measuring mechanism. If the set temperature is exceeded, the cooling water in the cooling ring pipe is automatically opened via interlocking control to cool the cleaning solution and prevent overheating. The cleaning solution inside the ultrasonic cleaning tank shell 1 needs to be replaced periodically. The cleaning solution is discharged via a pump, with the lowest point of the first outlet pipe located in the bottom ultrasonic cleaning tank sump 2, maximizing the emptying of the ultrasonic cleaning tank.

[0067] After decontamination, the ultrasonic decontamination tank top cover 7 is opened remotely, and the product container is hoisted into the cleaning tank. The second positioning structure 10 ensures that the product container is in the appropriate position on the cleaning tank shell 8. The cleaning tank top cover 11 is closed remotely, and the rinsing water supply valve is opened. The surface of the glass product container is rinsed through the spray mechanism 12 to remove the nitric acid adhering to the surface of the glass-cured product container. The rinsing water in the cleaning tank is replaced after each product container is cleaned. The rinsing solution is discharged by a pump, and the lowest point of the second outlet pipe is at the water collection pit 9 of the cleaning tank, which can maximize the emptying of the cleaning tank.

[0068] After cleaning, suspend the product container to allow water to drain from the surface of the glass product container. Further processing can then proceed.

[0069] After cleaning, surface contamination can be tested on the product container surface. Wipe the product container surface with a wiping paper and then test the wiping paper.

[0070] Meanwhile, the ultrasonic cleaning tank and ultrasonic cleaning device in this embodiment are also suitable for cleaning the surface of waste bins in other radioactive environments.

[0071] Cleaning and decontamination of product containers is crucial. Since the product container processing is carried out in a hot chamber, the ultrasonic cleaning tank and ultrasonic cleaning device for use in a radioactive environment in this embodiment meet the requirements for cleaning and decontamination of product containers in a radioactive environment.

[0072] The ultrasonic cleaning tank and ultrasonic cleaning device for use in a radioactive environment in this embodiment have a good cleaning effect on aerosols on the surface of product containers, control the spread of pollution, greatly reduce pollution to subsequent related equipment, and reduce the amount of waste.

[0073] The ultrasonic cleaning tank and ultrasonic cleaning device for use in a radioactive environment in this embodiment are simple to operate and easy to maintain. The internal components can be replaced remotely. After the product container is welded and sealed, the surface of the product container is cleaned and decontaminated.

[0074] It is understood that the above embodiments are merely exemplary implementations used to illustrate the principles of the present invention, and the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. An ultrasonic decontamination tank for use in a radioactive environment, characterized in that, include: The ultrasonic cleaning tank comprises a housing, a top cover, a cooling mechanism, an ultrasonic oscillation mechanism, and a gas removal mechanism. The top cover is rotatably connected to the housing, and the top cover opens and closes the housing by rotating to a preset position. The cooling mechanism, ultrasonic oscillation mechanism, and gas removal mechanism are respectively disposed within the housing. The cooling mechanism is used to cool the cleaning fluid inside the housing. The ultrasonic oscillation mechanism is used for cleaning through ultrasonic oscillation. The bottom of the container being cleaned has an inwardly concave spherical structure. The gas removal mechanism is used to remove the gas accumulated at the bottom of the container being cleaned. The gas removal mechanism includes at least one compressed air pipe, which is used to introduce compressed air into the bottom of the product container inside the housing to remove the gas from the bottom of the product container.

2. The ultrasonic cleaning tank according to claim 1, characterized in that, It also includes a first control mechanism and a first execution mechanism. The first control mechanism is connected to the first execution mechanism, and the first execution mechanism is connected to the top cover of the ultrasonic cleaning tank. The first control mechanism is used to control the first execution mechanism to flip the top cover of the ultrasonic cleaning tank to open and close the shell of the ultrasonic cleaning tank.

3. The ultrasonic cleaning tank according to claim 2, characterized in that, Also includes: The temperature measuring mechanism is installed inside the ultrasonic cleaning tank shell. The cooling mechanism includes: a cooling water supply pipe, a cooling pipeline, and a cooling valve. The cooling valve is installed on the cooling water supply pipe, which is connected to the cooling pipeline. The cooling pipeline is used to cool the cleaning fluid inside the ultrasonic cleaning tank shell. The temperature measuring mechanism is used to detect the liquid temperature inside the ultrasonic cleaning tank shell and send it to the first control mechanism. When the temperature detected by the temperature measuring mechanism exceeds the preset temperature, the first control mechanism adjusts the opening of the cooling valve to increase the flow rate of the coolant in the cooling pipeline.

4. The ultrasonic cleaning tank according to claim 2, characterized in that, Also includes: A first liquid level detection mechanism is installed inside the shell of the ultrasonic cleaning tank. The first liquid level detection mechanism is used to detect the liquid level height inside the shell of the ultrasonic cleaning tank and send it to a first control mechanism. The first control mechanism is used to monitor the liquid level height inside the shell of the ultrasonic cleaning tank.

5. The ultrasonic cleaning tank according to claim 2, characterized in that, Also includes: The second actuator and the first frame are located inside the ultrasonic cleaning tank shell. The first control mechanism is connected to the second actuator, and the first frame is connected to the ultrasonic oscillation mechanism. The first control mechanism controls the second actuator to replace the first frame.

6. The ultrasonic cleaning tank according to claim 1, characterized in that, It also includes a first positioning mechanism and a first frame disposed inside the shell of the ultrasonic cleaning tank. The first positioning mechanism includes at least one first guide portion. The first guide portion includes a first support portion and a first guide member. The first end of the first support portion is connected to the inner wall of the first frame. The first end of the first guide member is connected to the inner wall of the first frame. The second end of the first guide member is connected to the second end of the first support portion. The second end of the first guide member is closer to the center of the shell of the ultrasonic cleaning tank than the first end of the first guide member.

7. The ultrasonic cleaning tank according to any one of claims 1 to 6, characterized in that, It also includes an ultrasonic cleaning tank sump, which is located below the ultrasonic cleaning tank shell and is connected to and communicates with the ultrasonic cleaning tank shell.

8. The ultrasonic cleaning tank according to claim 7, characterized in that, It also includes at least one first outlet pipe, which is connected to the water collection pit of the ultrasonic cleaning tank, and the liquid inside the water collection pit of the ultrasonic cleaning tank is discharged through the first outlet pipe.

9. An ultrasonic decontamination device for use in a radioactive environment, characterized in that, include: The ultrasonic cleaning tank and washing tank according to any one of claims 1 to 8, wherein the washing tank includes a washing tank shell, a washing tank top cover, and a spraying mechanism, the washing tank top cover is rotatably connected to the washing tank shell, the washing tank top cover opens and closes the washing tank shell by rotating to a preset position, and the spraying mechanism is disposed inside the washing tank shell and is used to perform spraying.

10. The ultrasonic decontamination device for a radioactive environment according to claim 9, characterized in that, It also includes a second control mechanism and a third actuator. The second control mechanism is connected to the third actuator, and the third actuator is connected to the top cover of the cleaning tank. The second control mechanism is used to control the third actuator to flip the top cover of the cleaning tank to open and close the cleaning tank shell.

11. The ultrasonic decontamination device for a radioactive environment according to claim 10, characterized in that, Also includes: A second liquid level detection mechanism is installed inside the shell of the cleaning tank. The second liquid level detection mechanism is used to detect the liquid level height inside the shell of the cleaning tank and send it to the second control mechanism. The second control mechanism is used to monitor the liquid level height inside the shell of the cleaning tank.

12. The ultrasonic decontamination device for a radioactive environment according to claim 10, characterized in that, It also includes a fourth actuator, which is connected to the second control mechanism. The second control mechanism controls the fourth actuator to replace the spray mechanism.

13. The ultrasonic decontamination device for a radioactive environment according to claim 9, characterized in that, The spraying mechanism includes at least one spray pipe, which is annular and has nozzles. The spray pipe is used to clean the cleaning component placed at its center.

14. The ultrasonic decontamination device for a radioactive environment according to claim 9, characterized in that, It also includes a second positioning mechanism and a second frame disposed inside the shell of the cleaning tank. The second positioning mechanism includes at least one second guide portion. The second guide portion includes a second support portion and a second guide member. The first end of the second support portion is connected to the inner wall of the second frame. The first end of the second guide member is connected to the inner wall of the second frame. The second end of the second guide member is connected to the second end of the second support portion. The second end of the second guide member is closer to the center of the shell of the cleaning tank than the first end of the second guide member.

15. The ultrasonic decontamination device for a radioactive environment according to any one of claims 9 to 14, characterized in that, It also includes a water collection pit for the cleaning pool, which is located below the shell of the cleaning pool and is connected and communicated with the shell of the cleaning pool.

16. The ultrasonic decontamination device for a radioactive environment according to claim 15, characterized in that, It also includes at least one second outlet pipe, which is connected to the sump of the cleaning tank, and the liquid inside the sump of the cleaning tank is discharged through the second outlet pipe.

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