Movable radioactive waste cement solidification system

By designing a mobile radioactive waste cement curing system, the problem of high cost and poor economicality when small nuclear facilities deal with small amounts of radioactive waste is solved, and the system is miniaturized, mobility and high applicability are achieved, ensuring the economicality of the treatment process and reliability.

CN119407959APending Publication Date: 2025-02-11CHINA NUCLEAR POWER ENGINEERING CO LTD
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Patent Information

Application Number
CN202411570040.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-02-11

AI Technical Summary

Technical Problem

The prior art is difficult to effectively deal with a small amount of radioactive waste generated by small nuclear facilities, resulting in high construction and operation costs, poor economicality, and waste problems.

Method used

A mobile radioactive waste cement curing system is designed, which includes a metering box, a mixing box and a cover box. It adopts a modular design, with a miniaturization, movable and high applicability, and can handle radiation such as resin and waste liquid. Waste and have complete decontamination and emergency solutions.

Benefits of technology

The miniaturized design is realized, which reduces space requirements and transportation costs, improves the mobility and applicability of the system, ensures the economic and reliability of the processing process, reduces the amount of secondary waste and reduces the operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a mobile radioactive waste cement solidification system, comprising: a metering box, comprising a metering box housing, a metering assembly arranged in the metering box housing, and a stirring assembly; the stirring box comprises a stirring box shell and a conveying assembly arranged in the stirring box shell, the stirring box shell is detachably connected with the metering box shell, the stirring box shell is communicated with the metering box shell, and the metering assembly conveys the metered radioactive waste into a waste barrel located on the conveying assembly; the cover taking and sealing box comprises a cover taking and sealing box shell and a cover taking and sealing assembly arranged in the cover taking and sealing box shell and used for taking the barrel cover of the waste barrel, and the cover taking and sealing box shell is detachably connected with the stirring box shell and communicates with the stirring box shell. The system is compact in structure, the needed space is highly compressed, miniaturization design is achieved, meanwhile, modular design is used, the functions of being movable, convenient to disassemble, assemble and transport and the like are achieved, and the system can be used for treating a small amount of radioactive waste such as resin or waste liquid and has high applicability.
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Description

Technical Field

[0001] The invention belongs to the technical field of cement solidification, and in particular relates to a mobile radioactive waste cement solidification system. Background Art

[0002] With the rapid development of nuclear power and nuclear technology-related industries in my country, nuclear technology has been widely used in many fields, and the research on nuclear technology has been carried out more deeply, and more and more research-based nuclear facilities have been built. During the use and research of nuclear technology, various types of radioactive waste will inevitably be generated. Cement solidification technology is a mature radioactive waste treatment technology.

[0003] For industrial-scale reprocessing plants, cement solidification production lines are used to treat radioactive waste. However, for small nuclear research and nuclear application facilities, the amount of radioactive waste generated is small. If production lines are built for treatment, the construction period is long and the capital investment is large. In addition, due to the small amount of waste, the production line operation rate is insufficient, the operating cost is high, and the economic efficiency is poor. In addition, the units that need to treat waste are relatively scattered, and duplicate construction will cause huge waste. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a mobile radioactive waste cement solidification system for radioactive waste generated by nuclear facilities with small processing volume and small space in the prior art. The cement solidification system has the characteristics of integration, miniaturization, mobility, strong versatility, high economic benefit, strong reliability, etc. At the same time, the system of the present invention can process two types of radioactive waste, resin and waste liquid, and has strong applicability; an effective equipment decontamination plan has been formulated, which has good economic benefits; an emergency solution is designed for accident conditions, and has strong reliability.

[0005] The technical solution adopted to solve the technical problem of the present invention is to provide a mobile radioactive waste cement solidification system, comprising:

[0006] The metering box comprises: a metering box shell, a metering component arranged in the metering box shell for metering radioactive waste, and a stirring component for stirring the radioactive waste;

[0007] The mixing box comprises: a mixing box shell, a conveying assembly arranged in the mixing box shell for conveying a waste barrel, the mixing box shell is detachably connected to the metering box shell, the mixing box shell is connected to the metering box shell, and the metering assembly conveys the measured radioactive waste to the waste barrel located on the conveying assembly;

[0008] The cover removal box comprises: a cover removal box shell, a cover removal assembly arranged in the cover removal box shell for removing the barrel cover of the waste barrel, the cover removal box shell is detachably connected to the mixing box shell, and the cover removal box shell is connected to the mixing box shell.

[0009] Preferably, the metering component includes: a metering tank, a connecting pipe, and the stirring component includes: a stirring mixer, a sealing docking device, and a mixer lifting device.

[0010] The metering tank is connected to the connecting pipe, which passes through the outer shell of the metering box and the outer shell of the mixing box respectively. The metering tank is used to transport the measured radioactive waste to the waste barrel located in the outer shell of the mixing box through the connecting pipe.

[0011] The stirring mixer is connected to the sealing docking device, and the mixer lifting device is connected to the stirring mixer. The mixer lifting device is used to lift the stirring mixer and the sealing docking device. The sealing docking device includes: a sealing docking device body, a first through hole set on the sealing docking device body,

[0012] A second through hole is provided on the outer shell of the metering box, and the sealing docking device is used for docking the waste barrel. When docking, the first through hole is connected to the second through hole, and the stirring mixer is used for stirring the material in the waste barrel through the first through hole and the second through hole.

[0013] Preferably, the metering tank includes: a waste liquid metering tank, a resin metering tank, and the connecting pipe includes: a first connecting pipe, a second connecting pipe,

[0014] The waste liquid metering tank is connected to the first connecting pipe, and the resin metering tank is connected to the second connecting pipe. The first connecting pipe passes through the metering box shell and the mixing box shell respectively, and the second connecting pipe passes through the metering box shell and the mixing box shell respectively. The waste liquid metering tank is used to transport the measured radioactive waste liquid to the waste barrel located in the mixing box shell through the first connecting pipe, and the resin metering tank is used to transport the measured radioactive resin to the waste barrel located in the mixing box shell through the second connecting pipe.

[0015] Preferably, the stirring mixer includes: a power device and a stirring paddle, the power device is connected to the stirring paddle, the power device drives the stirring paddle to stir, the mixer lifting device is used to drive the sealing docking device to descend and dock with the waste barrel, and the stirring paddle is used to pass through the first through hole and the second through hole to stir the material in the waste barrel.

[0016] Preferably, the stirring paddle comprises: a stirring paddle body and an antifouling coating disposed on the surface of the stirring paddle body.

[0017] Preferably, the stirring mixer further comprises: a vibrator, which is connected to the power device and is used to drive the power device to vibrate, thereby driving the stirring paddle to vibrate.

[0018] Preferably, the stirring assembly further comprises: a first emergency operating device, the first emergency operating device is detachably connected to the mixer lifting device, and the first emergency operating device is used to manually drive the first emergency operating device to provide lifting power for the mixer lifting device.

[0019] Preferably, the metering box further comprises: a first glove hole and a first peep window arranged on the outer shell of the metering box.

[0020] Preferably, the conveying assembly comprises: a first roller device and a lifting device, the lifting device is connected to the first roller device, the first roller device is used to convey the waste barrel, and the lifting device is used to lift and lower the first roller device.

[0021] Preferably, the conveying assembly further comprises: a limiting device, which is connected to the outer shell of the metering box and is used to position the waste liquid barrel conveyed on the first roller device so that it is at a stirring position.

[0022] Preferably, the stirring box further comprises: a liquid receiving tray device disposed in the stirring box shell, the liquid receiving tray device being used to receive liquid carried by the stirring assembly after stirring the radioactive waste.

[0023] Preferably, the liquid receiving tray device includes: a driving member, a slide rail, a claw, and a liquid receiving tray, the driving member is connected to the claw, the claw is slidably connected to the slide rail, the claw is connected to the liquid receiving tray, the driving member is used to drive the claw to slide on the slide rail, and the claw drives the liquid receiving tray to reach or leave the liquid receiving position.

[0024] Preferably, the conveying assembly further comprises: a second emergency operating device, the second emergency operating device is detachably connected to the lifting device, and the second emergency operating device is used to manually drive the second emergency operating device to provide lifting power for the lifting device.

[0025] Preferably, the conveying assembly further comprises: a third emergency operating device, the third emergency operating device is detachably connected to the first roller device, and the third emergency operating device is used to manually drive the third emergency operating device to provide lifting power for the first roller device.

[0026] Preferably, the mixing box also includes: a hose pump and a third connecting pipe arranged in the mixing box shell, the third connecting pipe respectively passes through the metering box shell and the mixing box shell, the hose pump is connected to the third connecting pipe, and the hose pump is used to transport radioactive waste to the metering component through the third connecting pipe.

[0027] Preferably, the cap removal assembly includes: a second roller device, a second glove hole arranged on the outer shell of the cap removal box, a second peep window, and a barrel cover placement rack, the second roller device is used to transport the waste barrel, the barrel cover placement rack is connected to the outer shell of the cap removal box, and the barrel cover of the waste barrel is removed through the second glove hole and placed on the barrel cover placement rack.

[0028] Preferably, the capping assembly further comprises: a fourth emergency operating device, which is detachably connected to the second roller device, and is used for manually driving the fourth emergency operating device to provide rotational power for the second roller device.

[0029] Preferably, the mobile radioactive waste cement solidification system further comprises: a third roller device, a sealing door is provided on the outer shell of the cover box, the third roller device is located outside the sealing door, and the third roller device is used to be aligned with the second roller device.

[0030] The advantages of the mobile radioactive waste cement solidification system of the present invention are:

[0031] 1. The system of the present invention has a compact structure, which highly compresses the required space and realizes a miniaturized design. At the same time, it uses a modular design to realize functions such as portability, easy disassembly and transportation.

[0032] 2. The system of the present invention can be used to treat radioactive wastes such as a small amount of resin or waste liquid, and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic structural diagram of a mobile radioactive waste cement solidification system in Example 2 of the present invention;

[0034] Figure 2 Schematic diagram of the internal structure of the mobile radioactive waste cement solidification system in Example 2 of the present invention;

[0035] Figure 3 This is a schematic diagram of the internal structure of the mixing box in Example 2 of the present invention;

[0036] Figure 4 This is a schematic structural diagram of a cover removal and sealing box in Example 2 of the present invention.

[0037] 1- metering box, 2- first glove hole, 3- stirring box, 4- third emergency operating device, 5- second emergency operating device, 6- first emergency operating device, 7- first peep window, 8- capping box, 9- second glove hole, 10- third roller device, 11- stirring box shell, 12- hose pump, 13- metering box shell, 14- resin metering tank, 15- waste liquid metering tank, 16- mixer lifting device, 17- stirring mixer, 18- sealing docking device, 19- waste barrel, 20- first roller device, 21- capping box shell, 22- barrel cover placement rack, 23- second roller device, 24- liquid receiving tray, 25- lifting device, 26- limiting device, 27- fourth emergency operating device, 28- second peep window, 29- sealing door. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0040] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0041] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0042] Example 1

[0043] This embodiment provides a mobile radioactive waste cement solidification system, comprising:

[0044] The metering box comprises: a metering box shell, a metering component arranged in the metering box shell for metering radioactive waste, and a stirring component for stirring the radioactive waste;

[0045] The mixing box comprises: a mixing box shell, a conveying assembly arranged in the mixing box shell for conveying a waste barrel, the mixing box shell is detachably connected to the metering box shell, the mixing box shell is connected to the metering box shell, and the metering assembly conveys the measured radioactive waste to the waste barrel located on the conveying assembly;

[0046] The cover removal box comprises: a cover removal box shell, a cover removal assembly arranged in the cover removal box shell for removing the barrel cover of the waste barrel, the cover removal box shell is detachably connected to the mixing box shell, and the cover removal box shell is connected to the mixing box shell.

[0047] The advantages of the mobile radioactive waste cement solidification system in this embodiment are:

[0048] 1. The system described in this embodiment has a compact structure, which highly compresses the required space and realizes a miniaturized design. At the same time, a modular design is used to realize functions such as portability, easy disassembly and transportation.

[0049] 2. The system described in this embodiment can be used to treat a small amount of radioactive waste such as resin or waste liquid, and has strong applicability.

[0050] Example 2

[0051] like Figures 1 to 4 As shown, this embodiment provides a mobile radioactive waste cement solidification system, comprising:

[0052] The metering box 1 comprises: a metering box housing 13, a metering component arranged in the metering box housing 13 for metering radioactive waste, and a stirring component for stirring radioactive waste;

[0053] The mixing box 3 comprises: a mixing box shell 11, a conveying assembly arranged in the mixing box shell 11 for conveying a waste barrel 19, the mixing box shell 11 is detachably connected to a metering box shell 13, the mixing box shell 11 is in communication with the metering box shell 13, and the metering assembly conveys the measured radioactive waste to the waste barrel 19 located on the conveying assembly;

[0054] The cap removal box 8 includes: a cap removal box shell 21, and a cap removal assembly arranged in the cap removal box shell 21 for removing the barrel cover of the waste barrel 19. The cap removal box shell 21 is detachably connected to the mixing box shell 11, and the cap removal box shell 21 is connected to the mixing box shell 11.

[0055] Specifically, after the assembly is completed, the metering box 1 and the mixing box 3 are connected by bolts in this embodiment, and the mixing box 3 and the capping box 8 are connected by bolts. The three boxes are relatively independent. After the bolts are removed, the three boxes can be separated. During transportation, they can be split into three parts and loaded into containers for road transportation. After arriving at the nuclear facility, the three boxes can be assembled and used normally.

[0056] Preferably, the metering component includes: a metering tank, a connecting pipe, and the stirring component includes: a stirring mixer 17, a sealing docking device 18, and a mixer lifting device 16.

[0057] The metering tank is connected to a connecting pipe, which passes through the metering box housing 13 and the mixing box housing 11 respectively. The metering tank is used to transport the measured radioactive waste to the waste barrel 19 located in the mixing box housing 11 through the connecting pipe.

[0058] The stirring mixer 17 is connected to the sealing docking device 18, and the mixer lifting device 16 is connected to the stirring mixer 17. The mixer lifting device 16 is used to lift the stirring mixer 17 and the sealing docking device 18. The sealing docking device 18 includes: a sealing docking device body, a first through hole set on the sealing docking device body,

[0059] A second through hole is provided on the metering box housing 13, and the sealing docking device 18 is used to dock with the waste barrel 19. When docking, the first through hole is connected to the second through hole, and the stirring mixer 17 is used to stir the material in the waste barrel 19 through the first through hole and the second through hole.

[0060] Preferably, the metering tank includes: a waste liquid metering tank 15, a resin metering tank 14, and the connecting pipe includes: a first connecting pipe, a second connecting pipe,

[0061] The waste liquid metering tank 15 is connected to the first connecting pipe, and the resin metering tank 14 is connected to the second connecting pipe. The first connecting pipe passes through the metering box shell 13 and the mixing box shell 11 respectively, and the second connecting pipe passes through the metering box shell 13 and the mixing box shell 11 respectively. The waste liquid metering tank 15 is used to transport the measured radioactive waste liquid to the waste barrel 19 located in the mixing box shell 11 through the first connecting pipe, and the resin metering tank 14 is used to transport the measured radioactive resin to the waste barrel 19 located in the mixing box shell 11 through the second connecting pipe.

[0062] Preferably, the stirring mixer 17 includes: a power device and a stirring paddle, the power device is connected to the stirring paddle, the power device drives the stirring paddle to stir, the mixer lifting device 16 is used to drive the sealing docking device 18 to descend and dock with the waste barrel, and the stirring paddle is used to pass through the first through hole and the second through hole to stir the material in the waste barrel 19.

[0063] Preferably, the stirring paddle comprises: a stirring paddle body and an antifouling coating disposed on the surface of the stirring paddle body.

[0064] Preferably, the stirring mixer 17 further comprises: a vibrator, which is connected to the power device and is used to drive the power device to vibrate, thereby driving the stirring paddle to vibrate.

[0065] Preferably, the stirring assembly further comprises: a first emergency operating device 6, which is detachably connected to the mixer lifting device 16 and is used to manually drive the first emergency operating device 6 to provide lifting power for the mixer lifting device 16. The first emergency operating device 6 is a first handle.

[0066] Preferably, the metering box 1 further comprises: a first glove hole 2 and a first peep window 7 which are arranged on the metering box housing 13 .

[0067] Specifically, the stirring mixer 17 in this embodiment is a double-helix stirring mixer, and the mixer lifting device 16 is a stirring paddle mixer lifting device. The metering component also includes various related pipelines. The waste (waste) enters the waste liquid metering tank 15 or the resin metering tank 14 through the relevant pipelines and valves, and the amount of radioactive waste injected into the waste barrel 19 can be measured; the stirring mixer 17 includes a power device and two stirring paddles. The stirring paddle is a double-helix stirring paddle. The power device drives the stirring paddle to stir. The power device performs coordinated control of the two stirring paddles to achieve a good stirring effect. The surface of the stirring paddle has an anti-fouling coating, which can reduce the amount of surface contamination. The power device also has a vibration function, and the dirt on the surface of the stirring paddle can be removed by vibrating the stirring paddle. At the same time, the stirring paddle can be cleaned with cement cleaner. The stirring paddle is wiped with wiping paper through the first glove hole 2 and the first peep window 7, and the wiped wiping paper can be put into the waste barrel 19 for waste disposal. The mixer lifting device 16 can realize the lifting and lowering of the stirring paddle, and cooperate with the sealing docking device 18 to realize the sealed docking of the stirring mixer 17 and the waste barrel 19 to prevent waste from splashing out. The system is also equipped with a first emergency operation device 6, which can be manually operated in the event of power failure to lift the stirring paddle and leave space for the waste barrel 19 to move, thereby realizing the source evacuation function.

[0068] Specifically, in this embodiment, the mixer lifting device 16 is connected to the metering box housing 13 and the stirring mixer 17 respectively, specifically a spiral connection. The mixer lifting device 16 is used to lift the stirring mixer 17. The sealing docking device 18 is fixed to the lower part of the stirring mixer 17. The resin metering tank 14 and the waste liquid metering tank 15 are fixed to the metering box housing 13 through pipelines and related brackets. The two tanks are fed from the outside, and then the resin and waste liquid are quantitatively transported to the waste barrel 19 through pipelines. After that, the mixer lifting device 16 is used to lower the stirring mixer 17, so that the sealing docking device 18 and the waste barrel 19 complete the sealing docking, and then the materials in the waste barrel 19 are stirred. After the stirring is completed, the stirring mixer 17 is lifted to its original position as a whole. The first emergency operation device 6 can manually complete the lifting and lowering of the stirring mixer 17 when the power is lost. After the first roller device 20 is used to complete the removal of the waste barrel 19, the stirring mixer 17 can be repaired. When the stirring mixer 17 is seriously contaminated, the stirring mixer 17 can be cleaned manually through the first glove hole 2 and the first peep window 7 .

[0069] Preferably, the conveying assembly includes: a first roller device 20 and a lifting device 25 , wherein the lifting device 25 is connected to the first roller device 20 , the first roller device 20 is used to convey the waste bin 19 , and the lifting device 25 is used to lift the first roller device 20 .

[0070] Preferably, the conveying assembly further comprises: a limiting device 26, which is connected to the metering box housing 13, and is used to position the waste liquid barrel conveyed on the first roller device 20 so that it is at the stirring position.

[0071] Preferably, the stirring box 3 further comprises: a liquid receiving tray device disposed in the stirring box housing 11, and the liquid receiving tray device is used to receive the liquid carried by the stirring assembly after stirring the radioactive waste.

[0072] Preferably, the liquid receiving tray device comprises: a driving member, a slide rail, a claw, and a liquid receiving tray 24, wherein the driving member is connected to the claw, the claw is slidably connected to the slide rail, the claw is connected to the liquid receiving tray 24, the driving member is used to drive the claw to slide on the slide rail, and the claw drives the liquid receiving tray 24 to reach or leave the liquid receiving position. After the stirring paddle returns to the metering box 1, the liquid receiving position is located below the stirring paddle.

[0073] Preferably, the conveying assembly further comprises: a second emergency operating device 5, which is detachably connected to the lifting device 25 and is used to manually drive the second emergency operating device 5 to provide lifting power for the lifting device 25. The second emergency operating device 5 is a second handle.

[0074] Preferably, the conveying assembly further comprises: a third emergency operating device 4, which is detachably connected to the first roller device 20 and is used to manually drive the third emergency operating device 4 to provide lifting power for the first roller device 20. The third emergency operating device 4 is a third handle.

[0075] Preferably, the mixing box 3 also includes: a hose pump 12 and a third connecting pipe arranged in the mixing box shell 11, the third connecting pipe respectively passes through the metering box shell 13 and the mixing box shell 11, the hose pump 12 is connected to the third connecting pipe, and the hose pump 12 is used to transport radioactive waste to the metering component through the third connecting pipe.

[0076] Specifically, in this embodiment, the waste barrel 19 can be transferred to the mixing station through the first roller device 20, and then the waste barrel 19 is lifted to a certain height by the lifting device 25, and the mixer lifting device 16 drives the stirring paddle to descend, so that the stirring paddle passes through the first through hole and the second through hole and extends into the waste barrel 19, and stirring is performed after a certain amount of radioactive waste liquid or radioactive resin is injected. After the stirring is completed, the mixer lifting device 16 lifts the stirring paddle back to the metering box shell 13, and cleans the stirring paddle. The lifting device 25 lowers the first roller device 20 to its original position, and then transfers the waste barrel 19 to the capping box 8. The feed port of the hose pump 12 can be connected to a container of radioactive waste liquid or radioactive resin that needs to be treated. The waste is transported from the hose pump discharge port to the waste liquid metering tank 15 or the resin metering tank 14 through the hose pump 12, and then the waste is injected from the waste liquid metering tank 15 or the resin metering tank 14 into the waste barrel 19; the first roller device 20 is also equipped with a third emergency operating device 4, which can be manually operated in the event of power loss, and the first roller device 20 can be lowered to its original position, and then the waste barrel 19 can be transported to the capping box 8 to realize the source removal function.

[0077] The hose pump 12 is fixed to the mixing box housing 11, and is used to input the resin and waste liquid into the corresponding metering tanks respectively. The first roller device 20 is fixed to the mixing box housing 11, and the waste bucket 19 is transported to the mixing station by the first roller device 20, and the positioning is completed by the limit device 26, and the liquid receiving plate 24 is moved to the other side. At this time, the first roller device 20 is lifted as a whole by the lifting device 25, and the sealing docking device 18 is used to complete the sealing docking with the waste bucket 19, and then the stirring mixer 17 is used to stir the waste in the waste bucket 19. After the stirring is completed, the first roller device 20 is lowered as a whole, and the liquid receiving plate 24 is moved to the bottom of the stirring mixer 17 to receive the liquid, and then the first roller device 20 is used to transport the waste bucket 19 from the mixing box 3 to the sealing box 8. The second emergency operating device 5 is used to manually complete the lifting and lowering of the first roller device 20 when the lifting device 25 loses power during lifting and lowering. The third emergency operating device 4 is used to manually complete the rotation of the first roller device 20 when the horizontal transportation of the first roller device 20 loses power, and transport the waste bin 19 to the second roller device 23, and then complete the sealing of the waste bin 19 in the sealing box 8, and then inspect the second roller device 23.

[0078] Preferably, the capping assembly includes: a second roller device 23, a second glove hole 9 provided on the capping box shell 21, a second peep window 28, and a barrel cover placement rack 22, the second roller device 23 is used to transport the waste barrel 19, the barrel cover placement rack 22 is connected to the capping box shell 21, and the barrel cover of the waste barrel 19 is removed through the second glove hole 9 and placed on the barrel cover placement rack 22.

[0079] Preferably, the capping assembly further comprises: a fourth emergency operating device 27, which is detachably connected to the second roller device 23 and is used to manually drive the fourth emergency operating device 27 to provide rotational power for the second roller device 23. The fourth emergency operating device 27 is a fourth handle.

[0080] Preferably, the cap removal box 8 further comprises: a liquid receiving tray device disposed in the outer shell 21 of the cap removal box, and the liquid receiving tray device is used to receive the liquid carried by the stirring assembly after stirring the radioactive waste.

[0081] Preferably, the liquid receiving tray device includes: a driving member, a slide rail, and a claw, the driving member is connected to the claw, the claw is slidably connected with the slide rail, the claw is used to grab the lid of the waste barrel 19, and the driving member drives the claw to slide on the slide rail.

[0082] Preferably, the mobile radioactive waste cement solidification system further comprises: a third roller device 10, a sealing door 29 is provided on the cover box shell 21, the third roller device 10 is located outside the sealing door 29, and the third roller device 10 is used to be aligned with the second roller device 23.

[0083] The waste barrel 19 filled with evenly mixed and measured cement and additives can enter the cover removal box 8 from the outside through the third roller device 10. At the cover removal station, the second glove hole 9 and the second peep window 28 are used to remove the barrel cover of the waste barrel 19 and put it on the barrel cover placement rack 22. The waste barrel 19 is then transported to the mixing box 3 for waste treatment. After the mixing is completed, the waste barrel 19 is transported back to the cover removal box 8, and the barrel cover of the waste barrel 19 is placed on the waste barrel 19 using the second glove hole 9 and the second peep window 28 and locked. Then the waste barrel 19 is transported to the outside.

[0084] The measured cement and additive mixture is loaded into the waste bucket 19, and the waste bucket 19 is placed on the third roller device 10; the sealing door 29 is located on the cover removal box shell 21, and the second roller device 23 is fixed to the cover removal box shell 21. The sealing door 29 is opened, and the waste bucket 19 is transported from the third roller device 10 to the second roller device 23 and then the sealing door 29 is closed. Then, the operator removes the barrel cover of the waste bucket 19 through the second glove hole 9 in conjunction with the second peep window 28. The barrel cover placement rack 22 is fixed to the cover removal box shell 21, and the removed barrel cover is temporarily placed on the barrel cover placement rack 22. Then, the waste bucket 19 is transported to the mixing box 3 for mixing through the second roller device 23. After the mixing is completed, the waste bucket 19 is transported from the mixing box 3 back to the second roller device 23. The operator installs the barrel cover on the barrel cover placement rack 22 on the waste bucket 19 through the second glove hole 9 in conjunction with the third peep window, and then transports it to the third roller device 10 through the second roller device 23. The fourth emergency operating device 27 is used to manually complete the rotation of the third roller device 10 when the third roller device 10 loses power. The sealing door 29 has two modes: manual and automatic. When power is lost, the sealing door 29 can be manually opened to cooperate with the rotation of the second roller device 23 to transport the sealed waste bin 19 to the third roller device 10.

[0085] In this embodiment, a small mobile cement solidification system is a very reasonable and effective way to treat a small amount of radioactive waste.

[0086] The advantages of the mobile radioactive waste cement solidification system in this embodiment are:

[0087] 1. The system described in this embodiment has a compact structure, which highly compresses the required space and realizes a miniaturized design. At the same time, a modular design is used to realize functions such as portability, easy disassembly and transportation.

[0088] 2. The system described in this embodiment can be used to treat a small amount of radioactive waste such as resin or waste liquid, and has strong applicability.

[0089] 3. The system described in this embodiment has a complete stirring paddle decontamination solution, which reduces the amount of secondary waste while ensuring the stirring effect and decontamination effect, reduces costs, and ensures good economic benefits.

[0090] 4. The system described in this embodiment has designed an emergency solution for accident conditions. In the event of power failure, the radiation source can be removed from the outside of the equipment to ensure the safety of the operators and has strong reliability.

[0091] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill 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. A mobile radioactive waste cement solidification system, characterized in that: include: The metering box comprises: a metering box shell, a metering component arranged in the metering box shell for metering radioactive waste, and a stirring component for stirring the radioactive waste; The mixing box comprises: a mixing box shell, a conveying assembly arranged in the mixing box shell for conveying a waste barrel, the mixing box shell is detachably connected to the metering box shell, the mixing box shell is connected to the metering box shell, and the metering assembly conveys the measured radioactive waste to the waste barrel located on the conveying assembly; The cover removal box comprises: a cover removal box shell, a cover removal assembly arranged in the cover removal box shell for removing the barrel cover of the waste barrel, the cover removal box shell is detachably connected to the mixing box shell, and the cover removal box shell is connected to the mixing box shell.

2. The mobile radioactive waste cement solidification system according to claim 1, characterized in that: The metering component includes: metering tank, connecting pipe, stirring component includes: stirring mixer, sealing docking device, mixer lifting device, The metering tank is connected to the connecting pipe, which passes through the outer shell of the metering box and the outer shell of the mixing box respectively. The metering tank is used to transport the measured radioactive waste to the waste barrel located in the outer shell of the mixing box through the connecting pipe. The stirring mixer is connected to the sealing docking device, and the mixer lifting device is connected to the stirring mixer. The mixer lifting device is used to lift the stirring mixer and the sealing docking device. The sealing docking device includes: a sealing docking device body, a first through hole set on the sealing docking device body, A second through hole is provided on the outer shell of the metering box, and the sealing docking device is used for docking the waste barrel. When docking, the first through hole is connected to the second through hole, and the stirring mixer is used for stirring the material in the waste barrel through the first through hole and the second through hole.

3. The mobile radioactive waste cement solidification system according to claim 2, characterized in that: The metering tank includes: a waste liquid metering tank, a resin metering tank, and the connecting pipe includes: a first connecting pipe, a second connecting pipe, The waste liquid metering tank is connected to the first connecting pipe, and the resin metering tank is connected to the second connecting pipe. The first connecting pipe passes through the metering box shell and the mixing box shell respectively, and the second connecting pipe passes through the metering box shell and the mixing box shell respectively. The waste liquid metering tank is used to transport the measured radioactive waste liquid to the waste barrel located in the mixing box shell through the first connecting pipe, and the resin metering tank is used to transport the measured radioactive resin to the waste barrel located in the mixing box shell through the second connecting pipe.

4. The mobile radioactive waste cement solidification system according to claim 2, characterized in that: The stirring mixer includes: a power device and a stirring paddle. The power device is connected to the stirring paddle. The power device drives the stirring paddle to stir. The mixer lifting device is used to drive the sealing docking device to descend and dock with the waste barrel. The stirring paddle is used to pass through the first through hole and the second through hole to stir the material in the waste barrel.

5. The mobile radioactive waste cement solidification system according to claim 4, characterized in that: The stirring paddle includes: A stirring paddle body and an antifouling coating arranged on the surface of the stirring paddle body.

6. The mobile radioactive waste cement solidification system according to claim 4, characterized in that: The stirring mixer also includes a vibrator, which is connected to the power device and is used to drive the power device to vibrate, thereby driving the stirring paddle to vibrate.

7. The mobile radioactive waste cement solidification system according to claim 2, characterized in that: The stirring assembly also includes: a first emergency operating device, which is detachably connected to the mixer lifting device and is used to manually drive the first emergency operating device to provide lifting power for the mixer lifting device.

8. The mobile radioactive waste cement solidification system according to any one of claims 1 to 7, characterized in that: The metering box also includes: a first glove hole and a first peep window which are arranged on the outer shell of the metering box.

9. The mobile radioactive waste cement solidification system according to claim 1, characterized in that: The conveying assembly comprises: a first roller device and a lifting device, wherein the lifting device is connected to the first roller device, the first roller device is used for conveying the waste barrel, and the lifting device is used for lifting the first roller device.

10. The mobile radioactive waste cement solidification system according to claim 9, characterized in that: The conveying assembly also includes: a limiting device, which is connected to the outer shell of the metering box and is used to position the waste liquid barrel conveyed on the first roller device so that it is at a stirring position.

11. The mobile radioactive waste cement solidification system according to claim 9, characterized in that: The stirring box also includes: a liquid receiving tray device arranged in the stirring box shell, and the liquid receiving tray device is used to receive the liquid carried by the stirring assembly after stirring the radioactive waste.

12. The mobile radioactive waste cement solidification system according to claim 9, characterized in that: The liquid receiving tray device includes: a driving member, a slide rail, a claw, and a liquid receiving tray. The driving member is connected to the claw, the claw is slidably connected to the slide rail, and the claw is connected to the liquid receiving tray. The driving member is used to drive the claw to slide on the slide rail, and the claw drives the liquid receiving tray to reach or leave the liquid receiving position.

13. The mobile radioactive waste cement solidification system according to claim 9, characterized in that: The conveying assembly also includes: a second emergency operating device, which is detachably connected to the lifting device and is used to manually drive the second emergency operating device to provide lifting power for the lifting device.

14. The mobile radioactive waste cement solidification system according to claim 9, characterized in that: The conveying assembly also includes: a third emergency operating device, which is detachably connected to the first roller device, and is used to manually drive the third emergency operating device to provide lifting power for the first roller device.

15. The mobile radioactive waste cement solidification system according to claim 1, characterized in that: The mixing box also includes: a hose pump and a third connecting pipe arranged in the mixing box shell. The third connecting pipe passes through the metering box shell and the mixing box shell respectively. The hose pump is connected to the third connecting pipe. The hose pump is used to transport radioactive waste to the metering component through the third connecting pipe.

16. The mobile radioactive waste cement solidification system according to claim 1, characterized in that: The cap removal assembly includes: a second roller device, a second glove hole arranged on the outer shell of the cap removal box, a second peep window, and a barrel cover placement rack. The second roller device is used to transport the waste barrel. The barrel cover placement rack is connected to the outer shell of the cap removal box. The barrel cover of the waste barrel is removed through the second glove hole and placed on the barrel cover placement rack.

17. The mobile radioactive waste cement solidification system according to claim 16, characterized in that: The capping assembly further includes: a fourth emergency operating device, which is detachably connected to the second roller device and is used to manually drive the fourth emergency operating device to provide rotational power for the second roller device.

18. The mobile radioactive waste cement solidification system according to claim 1, characterized in that: Also includes: The third roller device is provided with a sealing door on the outer shell of the cover box, the third roller device is located outside the sealing door, and the third roller device is used to be aligned with the second roller device.