A removal 14 Electric devices contaminated by radioisotopes C

Abstract

The invention discloses an electric device for removing 14C radioactive isotope contamination, which relates to the technical field of radioactive waste treatment, and comprises a decontamination component, a backup battery, and a contamination recovery box. The decontamination component is provided with a general controller, a spraying trolley storage box, a material box, a pump valve system, and a working battery. The invention performs pre-spraying through a spraying trolley to support the initial removal function of radioactive pollutants, protect the lives of workers, and reduce accident hazards and losses to a minimum.

Description

Technical Field

[0001] The present invention relates to the technical field of radioactive waste treatment, in particular to a method for removing 14 C radioisotope contamination of electric devices. Background Art

[0002] During experiments on radioactive materials, whether it is the leakage of radioactive material mother liquor before the experiment, the leakage of radioactive material residual liquid after the experiment, or the leakage of radioactive material due to improper operation during the experiment, it will cause radioactive contamination to the laboratory.

[0003] Existing methods for removing radioactive contamination in laboratories include the stripping film decontamination method, which uses special spraying equipment to spray special colloids on the surface of the laboratory to form a continuous, tough, and strippable coating. During the stripping process, the radioactive contaminants on the laboratory surface are removed together with the coating.

[0004] Large spraying equipment cannot enter the laboratory. Although handheld spraying equipment can enter the laboratory, the radioactive pollutants floating in the air with the dust in the laboratory will have a certain impact on the health of the operators.

[0005] Therefore, how to provide a device that can freely enter and exit the laboratory and perform preliminary pre-removal of radioactive pollutants in the laboratory has become a difficult problem that needs to be solved urgently by technical personnel in this field. Summary of the invention

[0006] The object of the present invention is to provide a method for removing 14 The electric device for preventing radioactive isotope contamination of C can solve the problems of small spraying flow of handheld spraying equipment, small suppression operation area and inability to achieve pre-spraying, bulky spraying vehicle, loud noise during operation, large amount of exhaust gas and inability to enter and exit the laboratory freely.

[0007] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0008] The present invention provides a method for removing 14 Electric devices contaminated with C radioisotopes, including:

[0009] A decontamination component, the decontamination component is placed on the mobile component, the decontamination component includes a box body, the box body is placed on the mobile component, a master controller, a spray trolley storage box, a material box, a pump-valve system and a working battery are arranged in the box body, the spray trolley storage box accommodates the spray trolley, the pump-valve system is connected to the material box, a first hose is arranged on the side wall of the box body, and one end of the first hose is connected to the pump-valve system, and when working, the other end of the first hose is connected to the spray trolley;

[0010] The spraying vehicle is wirelessly connected to the master controller, the pump-valve system is electrically connected to the master controller, and the working battery supplies power to the master controller and the pump-valve system;

[0011] a backup battery, the backup battery being placed on the mobile assembly;

[0012] A pollution recovery box is fixed on the backup battery through a kit.

[0013] Preferably, the box body is divided into three layers of space from top to bottom, the top layer space is where the master controller and the spray trolley storage box are placed, the middle layer space is where the material box is placed, and the bottom layer space is where the pump valve system and the working battery are placed;

[0014] A display screen and a plurality of control buttons are arranged on the top of the master controller;

[0015] A feed pipe is installed on the side wall of the material box, the feed pipe is vertically arranged and the top end of the feed pipe is located in the top space;

[0016] A spray gun is also hung on the side wall of the box, and a second hose is connected to the spray gun, and the other end of the second hose is connected to the pump valve system;

[0017] A reel assembly is rotatably connected to the side wall of the box body, and the body of the first hose and the body of the second hose are both rolled onto the reel assembly.

[0018] Preferably, the pump-valve system comprises:

[0019] A constant pressure pump, the constant pressure pump is placed in the bottom space of the box body, the feed port of the constant pressure pump is connected to a decontamination feed pipe, the other end of the decontamination feed pipe is connected to the side wall of the material box, and the decontamination feed pipe is provided with a first electric valve; the feed port of the constant pressure pump is also connected to a cleaning feed pipe, the other end of the cleaning feed pipe is fixed to the side wall of the box body, and the cleaning feed pipe is provided with a second electric valve, and the constant pressure pump, the first electric valve and the second electric valve are all electrically connected to the master controller;

[0020] A three-way valve is installed on the side wall of the box body, the feed port of the three-way valve is connected to the discharge port of the constant pressure pump through a pipeline, and the two discharge ports of the three-way valve are respectively connected to the first hose and the second hose.

[0021] Preferably, the reel assembly comprises:

[0022] a first reel, the first reel being located outside the box, the first hose being wound on the first reel, and a rotating handle being installed outside the first reel;

[0023] a second reel, the second reel being located inside the box body, the second hose being wound on the second reel;

[0024] A rotating shaft, one end of which is connected to the first reel, and the other end of which is connected to the second reel; a pawl is hinged on the body of the rotating shaft, the rotating shaft is rotatably connected in the ratchet, the pawl matches the ratchet, and the ratchet is installed on the side wall of the box.

[0025] Preferably, the moving component comprises:

[0026] A fixed chassis, wherein two fixed chassis are arranged side by side, wherein the box is placed on one of the fixed chassis, and the backup battery is placed on the other fixed chassis;

[0027] A crossbeam, the crossbeam is installed at the bottom of the fixed chassis, a plurality of crossbeams are provided, a horizontal plate is provided on the crossbeam, the horizontal plate is perpendicular to the crossbeam, and an end of the horizontal plate is located on the outside of the crossbeam;

[0028] A bolt is adjustably connected to the end of the horizontal plate through a nut, the nut end of the bolt is located on the upper side of the horizontal plate, and an industrial caster is welded to the bottom end of the bolt.

[0029] Preferably, the backup batteries are provided in plurality and placed side by side on the fixed chassis, the kit is sleeved on the top of the backup batteries, the contamination recovery box is plugged into the top of the kit, and a layer of lead film is coated on the inner wall of the contamination recovery box.

[0030] Preferably, the spraying vehicle comprises:

[0031] A vehicle body, wherein a headlight and a camera are installed at the front end of the vehicle body, a first sub-controller, an angle control motor and a battery are arranged inside the vehicle body, the first sub-controller is electrically connected to the headlight, the camera and the angle control motor respectively, the battery supplies power to the headlight, the camera, the first sub-controller and the angle control motor, and the first sub-controller is wirelessly connected to the main controller;

[0032] The output shaft of the angle control motor passes through the side wall of the vehicle body and is located outside the vehicle body. The output shaft of the angle control motor is connected to a crawler assembly.

[0033] An electric telescopic rod is plugged into the top of the vehicle body, the battery supplies power to the electric telescopic rod, and the electric telescopic rod is electrically connected to the first sub-controller; a clamping mechanism is installed at the telescopic end of the electric telescopic rod, and the end of the first hose is clamped in the clamping mechanism.

[0034] Preferably, the track assembly includes a support frame, the support frame and the output shaft of the angle control motor are transmission-connected, the front end of the support frame is rotatably connected to a driving wheel, the rear end of the support frame is rotatably connected to a driven wheel, a track is transmission-connected between the driving wheel and the driven wheel, a track motor and a second sub-controller are installed inside the support frame, the output shaft of the track motor and the driving wheel are transmission-connected, the second sub-controller and the track motor are electrically connected, and the battery supplies power to the second sub-controller and the track motor.

[0035] Preferably, the clamping mechanism includes a base plate, an arc-shaped plate is connected to the top of the base plate, an insertion rod is connected to the bottom end of the base plate, the insertion rod is inserted into the through hole of the telescopic end of the electric telescopic rod, and binding holes are provided on the base plate and the arc-shaped plate, both ends of the rope are tied in the binding holes and the end of the first hose in the arc-shaped plate is tied and fixed.

[0036] Preferably, the end of the first hose is connected to a spray head, and the spray head is bound inside the arc plate.

[0037] Compared with the prior art, the beneficial technical effects of the present invention are:

[0038] The invention discloses a method for removing 14 The electric device for removing C radioactive isotope contamination has the functions of large flow rate, high-speed spraying, automatic cleaning, etc. It adopts a battery-driven motor as a power source, solves many disadvantages of conventional spraying and decontamination equipment, has a compact structure, light weight, low operating noise, no harmful gas emissions, and is more suitable for use in closed or semi-enclosed places such as indoor and underground spaces. At the same time, the present invention supports the initial removal of radioactive pollutants through pre-spraying by a spraying trolley, protects the lives of workers, and minimizes accident hazards and losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The present invention will be further described below in conjunction with the accompanying drawings.

[0040] Figure 1 For the present invention, 14 Schematic diagram of the structure of the electric device contaminated by C radioisotope;

[0041] Figure 2 It is a schematic diagram of the structure of the decontamination component of the present invention;

[0042] Figure 3 This is a schematic diagram of the internal structure of the decontamination component of the present invention;

[0043] Figure 4 This is a schematic diagram of the principle of the pump valve system of the present invention;

[0044] Figure 5 It is a schematic diagram of the structure of the reel assembly of the present invention;

[0045] Figure 6 A top view of the reel assembly of the present invention;

[0046] Figure 7 It is a schematic diagram of the connection relationship between the rotating shaft and the ratchet wheel of the present invention;

[0047] Figure 8 This is a schematic diagram of the structure of the mobile assembly of the present invention;

[0048] Fig. 9 This is a schematic diagram of the backup battery structure of the present invention;

[0049] Fig.10 A perspective view of the kit of the present invention;

[0050] Fig.11 This is a schematic diagram of the structure of the pollution recovery box of the present invention;

[0051] Fig.12 This is a schematic diagram of the structure of the spraying trolley of the present invention;

[0052] Fig.13 It is a schematic diagram of the connection relationship between the electric telescopic rod and the clamping mechanism of the present invention;

[0053] Fig.14 It is a schematic diagram of the structure of the crawler assembly of the present invention.

[0054] Description of reference numerals: 1. decontamination component; 2. backup battery; 3. mobile component; 4. kit; 5. contamination recovery box;

[0055] 11. Box; 12. Master controller; 13. Spraying trolley storage box; 14. Material box; 15. Pump valve system; 16. Working battery; 17. Spraying trolley; 18. Spray gun; 19. Reel assembly;

[0056] 121, display screen; 122, control button; 141, feed pipe; 151, constant pressure pump; 152, first electric valve; 153, second electric valve; 154, three-way valve;

[0057] 171. Vehicle body; 172. Vehicle lights; 173. Camera; 174. Track assembly; 175. Electric telescopic rod; 176. Clamping mechanism;

[0058] 191, first reel; 192, rotating handle; 193, second reel; 194, rotating shaft; 195, pawl; 196, ratchet;

[0059] 31. Fixed chassis; 32. Crossbeam; 33. Horizontal plate; 34. Bolts; 35. Industrial casters;

[0060] 1741, support frame; 1742, driving wheel; 1743, driven wheel; 1744, crawler track; 1745, crawler track motor;

[0061] 1761. Bottom plate; 1762. Curved plate; 1763. Insert rod. DETAILED DESCRIPTION

[0062] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0063] like Figure 1-14 As shown, the present invention provides a method for removing 14 Electric devices contaminated with C radioisotopes, including:

[0064] A decontamination component 1, the decontamination component 1 is placed on the mobile component 3, the decontamination component 1 includes a box 11, the box 11 is placed on the mobile component 3, a master controller 12, a spray trolley storage box 13, a material box 14, a pump-valve system 15 and a working battery 16 are arranged in the box 11, the spray trolley storage box 13 accommodates a spray trolley 17, the pump-valve system 15 is connected to the material box 14, a first hose is arranged on the side wall of the box 11, and one end of the first hose is connected to the pump-valve system 15, and when working, the other end of the first hose is connected to the spray trolley 17;

[0065] The spraying vehicle 17 is wirelessly connected to the master controller 12, the pump-valve system 15 is electrically connected to the master controller 12, and the working battery 16 supplies power to the master controller 12 and the pump-valve system 15;

[0066] A backup battery 2, which is placed on the mobile component 3;

[0067] The pollution recovery box 5 is fixed on the backup battery 2 through the kit 4.

[0068] When performing decontamination operations, the end of the first hose is placed on the spraying trolley 17, and the main controller 12 controls the movement of the spraying trolley 17 and the operation of the pump valve system 15 to achieve remote control of decontamination of radioactive pollutants and protect the lives of workers.

[0069] Specifically, the box body 11 is divided into three layers of space from top to bottom, the top layer space is where the master controller 12 and the spraying trolley storage box 13 are placed, the middle layer space is where the material box 14 is placed, and the bottom layer space is where the pump valve system 15 and the working battery 16 are placed;

[0070] A display screen 121 and a plurality of control buttons 122 are provided on the top of the master controller 12;

[0071] A feed pipe 141 is installed on the side wall of the material box 14, and the feed pipe 141 is vertically arranged and the top end of the feed pipe 141 is located in the top space;

[0072] A spray gun 18 is also mounted on the side wall of the box 11, and a second hose is connected to the spray gun 18, and the other end of the second hose is connected to the pump valve system 15;

[0073] A reel assembly 19 is rotatably connected to the side wall of the box body 11 , and the body of the first hose and the body of the second hose are both reeled on the reel assembly 19 .

[0074] In order to prevent the remote control of the decontamination operation from being unable to fully remove the radioactive contaminants, after the preliminary decontamination operation is performed using the spraying vehicle, the mobile component 3 is moved close to the radioactive contaminants, and a hand-held spraying operation is performed using the spray gun 18 .

[0075] Specifically, the pump-valve system 15 includes:

[0076] A constant pressure pump 151, the constant pressure pump 151 is placed in the bottom space of the box body 11, the feed port of the constant pressure pump 151 is connected to a decontamination feed pipe, the other end of the decontamination feed pipe is connected to the side wall of the material box 14, and the decontamination feed pipe is provided with a first electric valve 152; the feed port of the constant pressure pump 151 is also connected to a cleaning feed pipe, the other end of the cleaning feed pipe is fixed to the side wall of the box body 11, and the cleaning feed pipe is provided with a second electric valve 153, the constant pressure pump 151, the first electric valve 152 and the second electric valve 153 are all electrically connected to the master controller 12;

[0077] The three-way valve 154 is installed on the side wall of the box body 11, the feed port of the three-way valve 154 is connected to the discharge port of the constant pressure pump 151 through a pipeline, and the two discharge ports of the three-way valve 154 are respectively connected to the first hose and the second hose.

[0078] Among them, the constant pressure pump 151 adopts a JH horizontal constant pressure variable frequency pump, and the three-way valve 154 adopts a V50BP series three-way valve.

[0079] Specifically, the reel assembly 19 includes:

[0080] A first reel 191, the first reel 191 is located outside the box body 11, the first hose is wound on the first reel 191, and a rotating handle 192 is installed outside the first reel 191;

[0081] a second reel 193, the second reel 193 is located inside the box body 11, and the second hose is wound on the second reel 193;

[0082] A rotating shaft 194, one end of which is connected to the first reel 191, and the other end of which is connected to the second reel 193; a pawl 195 is hinged on the body of the rotating shaft 194, and the rotating shaft 194 is rotatably connected in a ratchet 196, the pawl 195 matches the ratchet 196, and the ratchet 196 is installed on the side wall of the box body 11.

[0083] In a specific implementation, the ratchet 196 and the pawl 195 cooperate with each other to achieve independent operation of the first hose and the second hose.

[0084] Specifically, the mobile component 3 includes:

[0085] A fixed chassis 31, wherein two fixed chassis 31 are arranged side by side, wherein the box 11 is placed on one of the fixed chassis 31, and the backup battery 2 is placed on the other fixed chassis 31;

[0086] A crossbeam 32, wherein the crossbeam 32 is installed at the bottom of the fixed chassis 31, and a plurality of crossbeams 32 are provided. A horizontal plate 33 is provided on the crossbeam 32, and the horizontal plate 33 is perpendicular to the crossbeam 32, and an end of the horizontal plate 33 is located on the outer side of the crossbeam 32;

[0087] The bolt 34 is adjustably connected to the end of the horizontal plate 33 via a nut, the nut end of the bolt 34 is located on the upper side of the horizontal plate 33, and the bottom end of the bolt 34 is welded with an industrial caster 35.

[0088] Specifically, the backup battery 2 is provided in plurality and placed side by side on the fixed chassis 31, the kit 4 is sleeved on the top of the backup battery 2, the pollution recovery box 5 is plugged into the top of the kit 4, and the inner wall of the pollution recovery box 5 is coated with a layer of lead film.

[0089] Wherein, the pollution recovery box 5 is made of radiation-proof organic material.

[0090] Specifically, the spraying vehicle 17 includes:

[0091] A vehicle body 171, wherein a headlight 172 and a camera 173 are installed at the front end of the vehicle body 171, wherein a first sub-controller, an angle control motor and a battery are arranged inside the vehicle body 171, wherein the first sub-controller is electrically connected to the headlight 172, the camera 173 and the angle control motor respectively, wherein the battery supplies power to the headlight 172, the camera 173, the first sub-controller and the angle control motor, and wherein the first sub-controller is wirelessly connected to the master controller;

[0092] The output shaft of the angle control motor passes through the side wall of the vehicle body 171 and is located outside the vehicle body 171. The output shaft of the angle control motor is connected to a crawler assembly 174.

[0093] An electric telescopic rod 175 is plugged into the top of the vehicle body 171 , and the battery supplies power to the electric telescopic rod 175 . The electric telescopic rod 175 is electrically connected to the first sub-controller; a clamping mechanism 176 is installed at the telescopic end of the electric telescopic rod 175 , and the end of the first hose is clamped in the clamping mechanism 176 .

[0094] Specifically, the track assembly 174 includes a support frame 1741, which is transmission-connected to the output shaft of the angle control motor, the front end of the support frame 1741 is rotationally connected to a driving wheel 1742, the rear end of the support frame 1741 is rotationally connected to a driven wheel 1743, a track 1744 is transmission-connected between the driving wheel 1742 and the driven wheel 1743, a track motor 1745 and a second sub-controller are installed inside the support frame 1741, the output shaft of the track motor 1745 is transmission-connected to the driving wheel 1742, the second sub-controller is electrically connected to the track motor 1745, and the battery supplies power to the second sub-controller and the track motor 1745.

[0095] Specifically, the clamping mechanism 176 includes a base plate 1761, an arc plate 1762 is connected to the top of the base plate 1761, an insertion rod 1763 is connected to the bottom end of the base plate 1761, and the insertion rod 1763 is inserted into the through hole of the telescopic end of the electric telescopic rod 175. Binding holes are opened on the base plate 1761 and the arc plate 1762, and both ends of the rope are bound in the binding holes and the end of the first hose in the arc plate 1762 is bound and fixed.

[0096] Specifically, the end of the first hose is connected to a spray head, and the spray head is bound inside the arc plate 1762 .

[0097] The invention discloses a method for removing 14 The electric device for removing contamination caused by C radioactive isotopes has the functions of large flow rate, high speed spraying, automatic cleaning, etc., adopts a battery-driven motor as a power source, solves many disadvantages of conventional spraying and decontamination equipment, has a compact structure, light weight, low operating noise, no harmful gas emissions, and is more suitable for use in closed or semi-enclosed places such as indoor and underground spaces. At the same time, the present invention supports the initial removal of radioactive pollutants through pre-spraying by the spraying trolley 17, protects the life safety of workers, and minimizes accident hazards and losses.

[0098] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0099] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A method of removing 14 An electric device contaminated with C radioisotopes, characterized in that include: A decontamination component (1), the decontamination component (1) being placed on a moving component (3), the decontamination component (1) comprising a box (11), the box (11) being placed on the moving component (3), the box (11) being provided with a master controller (12), a spraying trolley storage box (13), a material box (14), a pump-valve system (15) and a working battery (16), the spraying trolley storage box (13) storing a spraying trolley (17), the pump-valve system (15) being connected to the material box (14), a first hose being provided on a side wall of the box (11), and one end of the first hose being connected to the pump-valve system (15), and when in operation, the other end of the first hose being connected to the spraying trolley (17); The spraying vehicle (17) and the master controller (12) are wirelessly connected, the pump-valve system (15) and the master controller (12) are electrically connected, and the working battery (16) supplies power to the master controller (12) and the pump-valve system (15); A backup battery (2), the backup battery being placed on the mobile component (3); A pollution recovery box (5), wherein the pollution recovery box (5) is fixed on the backup battery (2) via a kit (4); The spraying trolley (17) comprises: A vehicle body (171), wherein a headlight (172) and a camera (173) are installed at the front end of the vehicle body (171), wherein a first sub-controller, an angle control motor and a storage battery are arranged inside the vehicle body (171), wherein the first sub-controller is electrically connected to the headlight (172), the camera (173) and the angle control motor respectively, wherein the storage battery supplies power to the headlight (172), the camera (173), the first sub-controller and the angle control motor, and wherein the first sub-controller is wirelessly connected to the main controller; The output shaft of the angle control motor passes through the side wall of the vehicle body (171) and is located outside the vehicle body (171). The output shaft of the angle control motor is drivingly connected to a crawler track assembly (174). An electric telescopic rod (175) is plugged into the top of the vehicle body (171); the storage battery supplies power to the electric telescopic rod (175); the electric telescopic rod (175) is electrically connected to the first sub-controller; a clamping mechanism (176) is installed at the telescopic end of the electric telescopic rod (175); an end of the first hose is clamped in the clamping mechanism (176).

2. The removal according to claim 1 14 C radioisotope contaminated electric device, characterized in that: The box body (11) is divided into three layers of space from top to bottom, the top layer space is where the master controller (12) and the spray trolley storage box (13) are placed, the middle layer space is where the material box (14) is placed, and the bottom layer space is where the pump valve system (15) and the working battery (16) are placed; A display screen (121) and a plurality of control buttons (122) are provided on the top of the master controller (12); A feeding pipe (141) is installed on the side wall of the material box (14), the feeding pipe (141) is arranged vertically and the top end of the feeding pipe (141) is located in the top space; A spray gun (18) is also hung on the side wall of the box (11), and a second hose is connected to the spray gun (18), and the other end of the second hose is connected to the pump valve system (15); A reel assembly (19) is rotatably connected to the side wall of the box body (11), and the body of the first hose and the body of the second hose are both reeled onto the reel assembly (19).

3. The removal according to claim 2 14 An electric device contaminated with C radioisotopes, characterized in that The pump-valve system (15) comprises: a constant pressure pump (151), the constant pressure pump (151) being placed in the bottom space of the box body (11), the feed port of the constant pressure pump (151) being connected to a decontamination feed pipe, the other end of the decontamination feed pipe being connected to the side wall of the material box (14), and the decontamination feed pipe being provided with a first electric valve (152); the feed port of the constant pressure pump (151) being also connected to a cleaning feed pipe, the other end of the cleaning feed pipe being fixed to the side wall of the box body (11), and the cleaning feed pipe being provided with a second electric valve (153); the constant pressure pump (151), the first electric valve (152) and the second electric valve (153) are all electrically connected to the master controller (12); A three-way valve (154), the three-way valve (154) being mounted on a side wall of the box body (11), the feed port of the three-way valve (154) being connected to the discharge port of the constant pressure pump (151) via a pipeline, and the two discharge ports of the three-way valve (154) being connected to the first hose and the second hose respectively.

4. The removal according to claim 2 14 An electric device contaminated with C radioisotopes, characterized in that The reel assembly (19) comprises: a first reel (191), the first reel (191) being located outside the box (11), the first hose being wound on the first reel (191), and a rotating handle (192) being installed outside the first reel (191); a second reel (193), the second reel (193) being located inside the box body (11), the second hose being wound on the second reel (193); A rotating shaft (194), one end of the rotating shaft (194) is connected to the first reel (191), and the other end is connected to the second reel (193); a pawl (195) is hinged on the body of the rotating shaft (194), the rotating shaft (194) is rotatably connected in a ratchet (196), the pawl (195) matches the ratchet (196), and the ratchet (196) is mounted on the side wall of the box (11).

5. The removal according to claim 1 14 An electric device contaminated with C radioisotopes, characterized in that The mobile component (3) comprises: A fixed chassis (31), wherein two fixed chassis (31) are arranged side by side, wherein the box (11) is placed on one of the fixed chassis (31), and the backup battery (2) is placed on the other of the fixed chassis (31); A crossbeam (32), the crossbeam (32) being mounted on the bottom of the fixed chassis (31), a plurality of crossbeams (32) being provided, a horizontal plate (33) being provided on the crossbeam (32), the horizontal plate (33) being perpendicular to the crossbeam (32), and an end of the horizontal plate (33) being located outside the crossbeam (32); A bolt (34) is adjustably connected to the end of the horizontal plate (33) via a nut, the nut end of the bolt (34) is located on the upper side of the horizontal plate (33), and an industrial caster (35) is welded to the bottom end of the bolt (34).

6. The removal according to claim 5 14 C radioisotope contaminated electric device, characterized in that: The backup batteries (2) are provided in plurality and are placed side by side on the fixed chassis (31); the kit (4) is sleeved on the top of the backup batteries (2); the contamination recovery box (5) is plugged into the top of the kit (4); and a layer of lead film is coated on the inner wall of the contamination recovery box (5).

7. The removal according to claim 1 14 C radioisotope contaminated electric device, characterized in that: The crawler track assembly (174) comprises a support frame (1741), the support frame (1741) and the output shaft of the angle control motor are transmission-connected, the front end of the support frame (1741) is rotationally connected to a driving wheel (1742), the rear end of the support frame (1741) is rotationally connected to a driven wheel (1743), a crawler track (1744) is transmission-connected between the driving wheel (1742) and the driven wheel (1743), a crawler track motor (1745) and a second sub-controller are installed inside the support frame (1741), the output shaft of the crawler track motor (1745) and the driving wheel (1742) are transmission-connected, the second sub-controller and the crawler track motor (1745) are electrically connected, and the storage battery supplies power to the second sub-controller and the crawler track motor (1745).

8. The removal according to claim 1 14 C radioisotope contaminated electric device, characterized in that: The clamping mechanism (176) comprises a base plate (1761), an arc-shaped plate (1762) is connected to the top of the base plate (1761), an insertion rod (1763) is connected to the bottom end of the base plate (1761), and the insertion rod (1763) is inserted into a through hole at the telescopic end of the electric telescopic rod (175). Binding holes are provided on the base plate (1761) and the arc-shaped plate (1762), and both ends of the rope are bound in the binding holes to bind and fix the end of the first hose in the arc-shaped plate (1762).

9. The removal according to claim 8 14 C radioisotope contaminated electric device, characterized in that: The end of the first hose is connected to a spray head, and the spray head is bound inside the arc plate (1762).

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