Storage device for high-strength spent fuel storage and transportation
By introducing alarm and gas injection mechanisms into the spent fuel storage and transportation unit, the problem of the inability to detect sealed leaks in the existing technology has been solved, and real-time alarm and safety alerts for leaks have been achieved.
Patent Information
- Application Number
- CN202422456680.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-11
AI Technical Summary
Existing metal storage containers for spent fuel cannot effectively determine whether a leak has occurred during storage, lacking detection structures, which leads to unsafe storage.
A high-strength spent fuel storage and transportation device was designed, comprising a reinforced outer shell, a storage container, a sealed container top cover, an alarm mechanism, and a gas injection mechanism. Gas is injected through the gas injection mechanism, changes in the internal gas pressure of the container are detected, and the alarm mechanism triggers an alarm from an external controller.
It enables real-time detection of leaks in enclosed spaces, ensuring storage safety, and triggers alarms based on changes in air pressure to prompt personnel for maintenance and protection.
Smart Images

Figure CN223462015U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high -strength spent fuel storage technical field, concretely relates to a kind of high -strength spent fuel storage device for storage. BACKGROUND
[0002] Spent fuel storage refers to the storage of high-temperature spent fuel after reaction for a period of time until the radioactivity and residual heat decrease to a certain level before operation and disposal. High-strength spent fuel requires a high-strength spent fuel storage device during storage and transportation.
[0003] The existing Chinese patent CN209515207U, disclosed on October 18, 2019, discloses a metal storage container for spent fuel, which comprises a metal barrel, a metal barrel cover, a grid frame, a sleeve, a barrel lifting ring, a foot, a foot gasket, a fin, and a heat dissipation hole. The top end of the metal barrel is provided with a barrel cover groove, which is in the form of a circular ring. The metal barrel cover comprises a cover body, a barrel cover lifting ring, and a barrel cover protruding groove. The metal barrel cover and the metal barrel are connected by the barrel cover protruding groove embedded in the barrel cover groove to achieve airtight connection. The grid frame is arranged on the inner wall of the metal barrel. The grid frame is provided with a plurality of grid hole columns spaced from each other along the axis of the grid frame. The sleeve is arranged in the grid hole column. Each barrel lifting ring is arranged on the top end of the outer side wall of the metal barrel. The fins are arranged on the outer side wall of the metal barrel. The foot is arranged on the bottom surface of the outer wall of the metal barrel.
[0004] However, the above-mentioned metal storage container for spent fuel cannot effectively determine whether the closure leaks during storage, lacks corresponding detection structure, and thus is not very safe when storing spent fuel.
[0005] Therefore, a new high-strength spent fuel storage device is proposed to solve the above technical problems. Utility model content
[0006] The utility model aims to provide a high-strength spent fuel storage device to solve the problem of the above-mentioned metal storage container for spent fuel in the background art, which cannot effectively determine whether the closure leaks during storage, lacks corresponding detection structure, and thus is not very safe when storing spent fuel.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-strength spent fuel storage device, comprising a reinforced wrapping shell and a storage and transportation container. The storage and transportation container is installed and connected in the middle of the interior of the reinforced wrapping shell. The upper end of the reinforced wrapping shell is provided with positioning bolt columns on both sides. The upper end of the storage and transportation container is provided with a sealed container top cover. The inside left side of the sealed container top cover is provided with an alarm mechanism. The inside right side of the sealed container top cover is provided with a gas injection mechanism. The alarm mechanism is electrically connected to an external controller through a connecting line.
[0008] The alarm mechanism includes a power connection line, a hollow sleeve, a movable sleeve disc, an outer mounting disc, a touch switch, a bottom air hole and a bottom sleeve disc, the outer mounting disc is arranged on the circumferential side of the hollow sleeve, the movable sleeve disc is arranged on the inner top end of the hollow sleeve, the bottom sleeve disc is arranged on the inner bottom end of the hollow sleeve, the bottom air hole is arranged on the circumferential inner side of the bottom sleeve disc, the touch switch is arranged on the upper end of the bottom sleeve disc, the power connection line is arranged on the outer end of the touch switch and passes through the hollow sleeve, and the hollow sleeve is fixedly connected to the sealing container top cover through the outer mounting disc.
[0009] The sealing container top cover includes an assembly screw, a sealing rubber ring, a sealing top cover, a sealing sleeve disc and a top handle, the top handle is arranged on the upper end of the sealing top cover, the sealing sleeve disc is arranged on the lower end of the sealing top cover, the sealing rubber ring is arranged on the circumferential side of the sealing sleeve disc, the assembly screw is arranged on the circumferential inner side of the sealing top cover, and the sealing top cover is fixedly connected to the storage container through the assembly screw.
[0010] The gas injection mechanism includes a sealing gas cover, a gas injection pipe head, a screw mounting disc and a hollow gas pipe, the screw mounting disc is arranged on the circumferential side of the hollow gas pipe, the gas injection pipe head is arranged on the outer wall of the upper end of the hollow gas pipe, the sealing gas cover is arranged on the circumferential side of the gas injection pipe head, and the hollow gas pipe is fixedly connected to the sealing container top cover through the screw mounting disc.
[0011] The gas injection pipe head is internally provided with a valve core.
[0012] The positioning peg column includes a connecting end column and a four-hole disc, the four-hole disc is arranged on the outer end of the connecting end column, and the connecting end column is fixedly connected to the reinforced wrapping shell.
[0013] The reinforced wrapping shell includes two end sleeve rings, intermediate sleeve rings and connecting arm columns, the connecting arm columns are arranged on the circumferential inner sides of the two intermediate sleeve rings, the two end sleeve rings are arranged on the two ends of the connecting arm columns, and the two end sleeve rings and the intermediate sleeve rings are fixedly connected to the storage container.
[0014] The connecting position of the sealing container top cover and the storage container is provided with a sealing rubber gasket.
[0015] As the above-mentioned technology is adopted, the beneficial effects of the present application are as follows:
[0016] 1. In the utility model, the gas injection mechanism can receive the injected gas, and then the gas injection mechanism injects gas into the storage container, when the storage container leaks, the internal pressure of the storage container decreases, and then the alarm mechanism triggers, and the alarm mechanism can control the external controller to alarm when triggered.
[0017] 2. In the utility model, the alarm mechanism is provided, so that the alarm can be triggered, the hollow sleeve of the alarm mechanism is fixedly connected with the outer mounting disc, the hollow sleeve is fixedly connected with the sealing container top cover through the outer mounting disc, so that the hollow sleeve can be correspondingly installed and placed, the inner top end of the hollow sleeve is sleeved with the movable sleeve disc, the movable sleeve disc can be positioned and moved up and down in the hollow sleeve, the inner bottom end of the hollow sleeve is fixedly connected with the bottom sleeve disc, the circumferential inner side of the bottom sleeve disc is provided with a bottom air hole, the internal pressure of the storage container can be delivered into the hollow sleeve through the bottom air hole, and the pressure can make the movable sleeve disc rise, when the pressure disappears, the movable sleeve disc falls, the upper end of the bottom sleeve disc is fixedly connected with the touch switch, the outer end of the touch switch is connected with the power supply connecting line through the hollow sleeve, when the movable sleeve disc falls and contacts the touch switch, the internal circuit of the touch switch is opened, and then the current signal can be transmitted to the external controller through the power supply connecting line, and the external controller alarms, so that the personnel can be effectively prompted to maintain and protect. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model for high-strength spent fuel storage device.
[0019] Figure 2 It is a sealing top cover, gas injection mechanism and alarm mechanism combination structure schematic view of the utility model for high-strength spent fuel storage device.
[0020] Figure 3 It is a sectional structure schematic view of the alarm mechanism of the utility model for high-strength spent fuel storage device.
[0021] Figure 4 It is a gas injection mechanism structure schematic view of the utility model for high-strength spent fuel storage device.
[0022] Figure 5 It is a positioning bolt column structure schematic view of the utility model for high-strength spent fuel storage device.
[0023] In the figure: 1, sealing container top cover; 11, assembly screw; 12, sealing rubber ring; 13, sealing top cover; 14, sealing sleeve disc; 15, top handle; 2, alarm mechanism; 21, power supply connecting line; 22, hollow sleeve; 23, movable sleeve disc; 24, outer side mounting disc; 25, touch switch; 26, bottom air hole; 27, bottom sleeve disc; 3, gas injection mechanism; 31, sealing gas cover; 32, gas injection pipe head; 33, screw mounting disc; 34, hollow gas pipe; 4, reinforced wrapping shell; 41, two end sleeve ring; 42, middle sleeve ring; 43, connecting arm column; 5, storage and transportation storage container; 6, positioning bolt column; 61, connecting end column; 62, four-hole disc. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application.
[0025] Embodiment one
[0026] With reference to Figures 1-5 A kind of for high-strength spent fuel storage and transportation storage device, including reinforced wrapping shell 4 and storage and transportation storage container 5, storage and transportation storage container 5 is installed and connected in the inside middle of reinforced wrapping shell 4, and reinforced wrapping shell 4 can effectively strengthen the protection storage and transportation storage container 5, the upper end of reinforced wrapping shell 4 is fixedly connected with positioning bolt column 6 on both sides, it is convenient for rope to be positioned and bound, the upper end of storage and transportation storage container 5 is fixedly connected with sealing container top cover 1, so that effective sealing, the inside left side of sealing container top cover 1 is installed and fixed with alarm mechanism 2, to play touch alarm function, the inside right side of sealing container top cover 1 is installed and fixed with gas injection mechanism 3, so that gas can be injected and used, alarm mechanism 2 is electrically connected with external controller by connecting line, and alarm mechanism 2 can control external controller to alarm when triggering;
[0027] The alarm mechanism 2 comprises a power connection wire 21, a hollow sleeve 22, a movable sleeve disc 23, an outer mounting disc 24, a touch switch 25, a bottom air hole 26 and a bottom sleeve disc 27, the outer mounting disc 24 is fixedly connected to the circumferential side of the hollow sleeve 22, the hollow sleeve 22 is fixedly connected to the sealing container top cover 1 through the outer mounting disc 24, so that the hollow sleeve 22 can be correspondingly installed and placed, the movable sleeve disc 23 is sleeved to the inner top end of the hollow sleeve 22, the movable sleeve disc 23 can be positioned and moved up and down in the hollow sleeve 22, the bottom sleeve disc 27 is fixedly connected to the inner bottom end of the hollow sleeve 22, the bottom air hole 26 is formed in the circumferential inner side of the bottom sleeve disc 27, the internal air pressure of the storage and transportation container 5 can be delivered into the hollow sleeve 22 through the bottom air hole 26, and the air pressure can make the movable sleeve disc 23 rise, when the air pressure disappears, the movable sleeve disc 23 falls, the touch switch 25 is fixedly connected to the upper end of the bottom sleeve disc 27, the outer end of the touch switch 25 is connected with the power connection wire 21 through the hollow sleeve 22, when the movable sleeve disc 23 falls and contacts the touch switch 25, the internal circuit of the touch switch 25 is opened, then the current signal can be transmitted to the external controller through the power connection wire 21, and the external controller generates an alarm sound, so that the personnel can be effectively prompted to maintain and protect.
[0028] In the utility model, the gas injection mechanism 3 comprises a sealing gas cover 31, a gas injection pipe head 32, a screw mounting disc 33 and a hollow air pipe 34, the screw mounting disc 33 is fixedly connected to the circumferential side of the hollow air pipe 34, the hollow air pipe 34 is fixedly connected to the sealing container top cover 1 through the screw mounting disc 33, so that the hollow air pipe 34 is convenient to install correspondingly, the upper end outer wall of the hollow air pipe 34 is fixedly connected with the gas injection pipe head 32, and the gas injection pipe head 32 is penetrated, the gas injection pipe head 32 can receive external gas and deliver the external gas into the hollow air pipe 34, and then the gas can be injected into the storage and transportation container 5 through the hollow air pipe 34, the sealing gas cover 31 is screwed on the circumferential side of the gas injection pipe head 32, so that the use can be effectively closed and shielded.
[0029] The gas injection pipe head 32 is internally provided with a valve core, so that the gas injection is convenient, and the leakage after the gas injection is avoided.
[0030] In the utility model, the connecting place of the sealing container top cover 1 and the storage and transportation container 5 is placed with a sealing rubber pad, so that the closure is more tightly firm.
[0031] In the utility model, the positioning bolt column 6 comprises a connecting end column 61 and a four-hole disc 62, the four-hole disc 62 is fixedly connected to the outer end of the connecting end column 61, the connecting end column 61 can be effectively blocked through the outer end four-hole disc 62, so that the rope is convenient to bind, and the connecting end column 61 is fixedly connected to the reinforced wrapping shell 4, so that the connecting end column 61 can be stably placed.
[0032] Embodiment two
[0033] Referring to Figure 1 and Figure 2 A high-strength spent fuel storage device, compared with the first embodiment, the sealing container top cover 1 comprises an assembly screw 11, a sealing rubber ring 12, a sealing top cover 13, a sealing sleeve disc 14 and a top handle 15, the top handle 15 is fixedly connected to the middle of the upper end of the sealing top cover 13, so as to facilitate personnel to hold and disassemble, the sealing sleeve disc 14 is fixedly connected to the lower end of the sealing top cover 13, the assembly screw 11 is installed on the inner side of the circumference of the sealing top cover 13, the sealing top cover 13 is fixedly connected to the storage container 5 through the assembly screw 11, and the sealing top cover 13 can be sleeved in the storage container 5, so as to be correspondingly installed and placed, and the sealing rubber ring 12 is sleeved on the side of the sealing sleeve disc 14, so that it is more tightly and firmly closed.
[0034] Embodiment three
[0035] Referring to Figure 1 A high-strength spent fuel storage device, compared with the second embodiment, the reinforced wrapping shell 4 comprises two end sleeve rings 41, middle sleeve rings 42 and connecting arm columns 43, the connecting arm columns 43 are fixedly connected to the inner side of the circumference of the two middle sleeve rings 42, and the two end sleeve rings 41 are fixed to the two ends of the connecting arm columns 43, the two end sleeve rings 41 and the middle sleeve rings 42 are fixedly connected to the storage container 5, so that the two end sleeve rings 41 and the middle sleeve rings 42 can be fixed on the side of the storage container 5 to be reinforced and fixed.
[0036] Working principle: in use, the storage container 5 is installed and connected in the middle of the inside of the reinforced wrapping shell 4, and the reinforced wrapping shell 4 can effectively reinforce and protect the storage container 5, the upper end of the reinforced wrapping shell 4 is fixedly connected with the positioning bolt column 6 on both sides, so as to facilitate the positioning and binding of the rope, after the personnel store the high-strength spent fuel in the storage container 5, the upper end opening of the storage container 5 is closed through the sealing container top cover 1, after being closed, the gas injection equipment injects gas into the inside of the storage container 5 through the gas injection mechanism 3, after a certain amount of gas injection, when the storage container 5 leaks, the gas pressure in the inside of the storage container 5 is reduced, and then the alarm mechanism 2 is triggered, and the alarm mechanism 2 can control the external controller to alarm when being triggered.
[0037] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
[0038] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to be used to limit the scope of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this application belongs. The singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.
Claims
1. A high-strength spent fuel storage and transport device comprising a reinforced wrapping shell (4) and a storage and transport container (5) mounted and connected in the middle of the interior of the reinforced wrapping shell (4), characterized in that: The upper end of the reinforced wrapping shell (4) is provided with positioning bolt columns (6), the upper end of the storage and transportation storage container (5) is provided with a sealed container top cover (1), the inside left side of the sealed container top cover (1) is provided with an alarm mechanism (2), the inside right side of the sealed container top cover (1) is provided with a gas injection mechanism (3), and the alarm mechanism (2) is electrically connected with an external controller through a connecting line. The alarm mechanism (2) comprises a power supply connecting line (21), a hollow sleeve (22), a movable sleeve disc (23), an outer mounting disc (24), a touch switch (25), a bottom air hole (26) and a bottom sleeve disc (27), the outer side of the hollow sleeve (22) is provided with an outer mounting disc (24), the inside top end of the hollow sleeve (22) is provided with a movable sleeve disc (23), the inside bottom end of the hollow sleeve (22) is provided with a bottom sleeve disc (27), the circumferential inner side of the bottom sleeve disc (27) is provided with a bottom air hole (26), the middle of the upper end of the bottom sleeve disc (27) is provided with a touch switch (25), the outer end of the touch switch (25) is provided with a power supply connecting line (21) penetrating through the hollow sleeve (22), and the hollow sleeve (22) is fixedly connected to the sealed container top cover (1) through the outer mounting disc (24).
2. A high strength spent fuel storage and transport device according to claim 1, wherein: The sealed container top cover (1) comprises an assembly screw (11), a sealing rubber ring (12), a sealing top cover (13), a sealing sleeve disc (14) and a top handle (15), the middle of the upper end of the sealing top cover (13) is provided with a top handle (15), the lower end of the sealing top cover (13) is provided with a sealing sleeve disc (14), the circumferential side of the sealing sleeve disc (14) is provided with a sealing rubber ring (12), the circumferential inner side of the sealing top cover (13) is provided with an assembly screw (11), and the sealing top cover (13) is fixedly connected to the storage and transportation storage container (5) through the assembly screw (11).
3. A high strength spent fuel storage and transport device according to claim 1, wherein: The gas injection mechanism (3) comprises a sealing gas cover (31), a gas injection pipe head (32), a screw mounting disc (33) and a hollow air pipe (34), the circumferential side of the hollow air pipe (34) is provided with a screw mounting disc (33), the outer wall of the upper end of the hollow air pipe (34) is provided with a gas injection pipe head (32), the circumferential side of the gas injection pipe head (32) is provided with a sealing gas cover (31), and the hollow air pipe (34) is fixedly connected to the sealed container top cover (1) through the screw mounting disc (33).
4. A high strength spent fuel storage and transport device according to claim 3, wherein: The inside of the gas injection pipe head (32) is provided with a valve core.
5. A high strength spent fuel storage and transport device according to claim 1, wherein: The positioning bolt column (6) comprises a connecting end column (61) and a four-hole disc (62), the outer end of the connecting end column (61) is provided with a four-hole disc (62), and the connecting end column (61) is fixedly connected to the reinforced wrapping shell (4).
6. A high strength spent fuel storage and transport device according to claim 5, wherein: The reinforcing wrapping shell (4) comprises two end collars (41), intermediate collars (42) and connecting arm columns (43), the circumferential inner side of two intermediate collars (42) is provided with connecting arm columns (43), the two ends of the connecting arm columns (43) are provided with two end collars (41), and the two end collars (41) and the intermediate collars (42) are fixedly connected on the storage and transportation storage container (5).
7. A high strength spent fuel storage and transport device according to claim 1, wherein: The connecting part of the sealed container top cover (1) and the storage and transportation storage container (5) is provided with a sealing rubber pad.
Citation Information
Patent Citations
Metal storage container for spent fuel
CN209515207U