Helium filling device, packaging system and packaging method for sealed packaging of packaging container

Abstract

The invention discloses a helium filling device for sealed packaging of a packaging container, a packaging system and a packaging method.The helium filling device comprises a helium filling cover, a compressed air pipeline, a helium pipeline, a vacuum pipeline and an emptying pipeline, the helium filling cover is located in a sealed box chamber, the compressed air pipeline is connected with the helium filling cover, the helium pipeline is connected with the helium filling cover, and the vacuum pipeline is connected with the vacuum pipeline; the vacuum pipeline is connected with the helium filling cover, the emptying pipeline is connected with the helium filling cover, the helium filling cover is used for covering a packaging container containing packaging materials, the compressed air pipeline penetrates through the sealing box chamber, the helium pipeline penetrates through the sealing box chamber, the vacuum pipeline penetrates through the sealing box chamber, and the emptying pipeline is located in the sealing box chamber. The compressed air pipeline is used for introducing compressed air into the helium filling cover, the helium pipeline is used for introducing helium into the helium filling cover, the vacuum pipeline is used for vacuumizing the helium filling cover, and the emptying pipeline is used for emptying the helium filling cover. Automation of the packaging process is achieved, the irradiation risk of operators is greatly reduced, and the automation level and the working efficiency of the system are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of nuclear chemical industry, and in particular relates to a helium filling device, a packaging system and a packaging method for sealing a packaging container. Background Art

[0002] In the nuclear chemical production process, highly radioactive materials such as uranium and plutonium are prone to radiation hazards and various potential hazards to the human body and the environment. The packaging of nuclear chemical radioactive materials must minimize the radioactive risk, meet the strict requirements of radiation protection, low leakage rate, safety and controllability, etc.

[0003] At present, radioactive material packaging is usually carried out in a closed box, and workers either perform packaging-related operations through the glove holes or perform semi-automatic packaging remotely. The packaging process has the following problems: First, manual packaging increases the risk and time of exposure of operators to a strong radiation environment; second, the size and space of the glove box and glove holes are not conducive to manual packaging operations, and also increase the risk of leakage of radioactive waste liquid in the glove box; third, manual packaging increases invalid working time, reduces production efficiency, and limits the improvement of production capacity; fourth, manual packaging is not conducive to the automated management and system integration control of the production process.

[0004] With the continuous development and application of advanced automation and intelligent technologies, the demand for automation in various industries has become increasingly urgent. This is also a prominent problem currently facing the field of nuclear chemical technology. The degree of automation of the process system is low, and many process processes are implemented through manual operation. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a helium filling device, a packaging system and a packaging method for sealing packaging of packaging containers in view of the above-mentioned deficiencies in the prior art, which realizes the automation of the packaging process, greatly reduces the radiation risk of operators, and improves the automation level and work efficiency of the system.

[0006] The technical solution adopted to solve the technical problem of the present invention is to provide a helium filling device for sealing a packaging container, comprising: a helium filling hood, a compressed air pipeline, a helium pipeline, a vacuum pipeline, and an exhaust pipeline. The helium filling hood is located in a sealed chamber, the compressed air pipeline is connected to the helium filling hood, the helium pipeline is connected to the helium filling hood, the vacuum pipeline is connected to the helium filling hood, and the exhaust pipeline is connected to the helium filling hood. The helium filling hood is used to be covered on a packaging container containing packaging materials. The compressed air pipeline runs through the sealed chamber, the helium pipeline runs through the sealed chamber, the vacuum pipeline runs through the sealed chamber, and the exhaust pipeline is located in the sealed chamber. The compressed air pipeline is used to pass compressed air into the helium filling hood so that the helium filling hood and the packaging container are sealed. The helium pipeline is used to pass helium into the helium filling hood, the vacuum pipeline is used to evacuate the helium filling hood, and the exhaust pipeline is used to empty the helium filling hood.

[0007] Preferably, the helium filling device for sealing and packaging a packaging container further comprises: a first valve, a second valve, a third valve, a fourth valve, a first mass flow controller, a second mass flow controller, and a controller, wherein the first valve is arranged on a compressed air pipeline, the first mass flow controller is arranged on a compressed air pipeline, the first mass flow controller is located downstream of the first valve, the second valve is arranged on a helium pipeline, the second mass flow controller is arranged on a helium pipeline, the second mass flow controller is located downstream of the second valve, the third valve is arranged on a vacuum pipeline, and the fourth valve is arranged on an exhaust pipeline, and the controller controls the opening and closing of the first valve, the second valve, the third valve, and the fourth valve respectively, the controller controls the mass flow rate of the compressed air introduced by controlling the first mass flow controller, the controller controls the mass flow rate of the helium introduced by controlling the second mass flow controller, the controller controls the vacuum degree by controlling the third valve, and the controller controls the exhaustion of the helium filling hood by controlling the fourth valve.

[0008] Preferably, the helium filling cover comprises: a helium filling cover body and a second sealing member, and the helium filling cover body is sealed and connected to the packaging container via the second sealing member.

[0009] The second sealing member is a sealing expansion ring, and the second sealing member is connected to the helium filling cover body.

[0010] The present invention also provides a packaging system for sealing packaging of a packaging container, comprising:

[0011] A sealed box chamber, a first sealing member, a hollow plug, a packaging container, a first gripping device, and the above-mentioned helium filling device,

[0012] The sealed box chamber comprises a sealed box chamber body, a packaging through hole and a transfer hole arranged on the sealed box chamber body.

[0013] The sealed chamber body is connected to the transfer channel through the transfer hole.

[0014] The first sealing member is arranged on the packaging through hole, and the packaging container is sealed and connected with the sealed box body through the first sealing member.

[0015] The hollow plug is used to be inserted into a packaging container containing packaging materials. The hollow plug comprises a hollow tube body, a hollow plug upper bottom and a hollow plug lower bottom respectively connected to the hollow tube body. The hollow plug lower bottom faces the bottom of the packaging container, and the hollow plug upper bottom faces the opening of the packaging container. The outer wall of the hollow tube body is cooperatively connected with the inner wall of the packaging container. The helium filling cover of the helium filling device is arranged outside the opening of the packaging container. The first grasping device is located in the sealed box chamber. The first grasping device is used for grasping operations in the sealed box chamber.

[0016] Preferably, the hollow plug also includes: a clamping block and a limiting block, the clamping block is arranged on the top surface of the upper bottom of the hollow plug, the clamping block is used for clamping, the limiting block is arranged on the bottom surface of the lower bottom of the hollow plug, the clamping block is used for clamping, and the limiting block is used to limit the distance between the hollow plug and the bottom of the packaging container.

[0017] Preferably, the height of the stopper is 10 mm to 50 mm, the outer diameter of the hollow tube body is slightly smaller than the inner diameter of the packaging container cylinder, the gap is controlled between 1 mm and 5 mm, the height of the hollow tube body is 30 mm to 50 mm, the upper bottom of the hollow plug and the wall thickness of the hollow tube body are 1 mm to 3 mm, and the wall thickness of the lower bottom of the hollow plug is 5 mm;

[0018] The thickness of the cylindrical wall of the packaging container is 1 mm to 3 mm, and the thickness of the lower bottom wall of the packaging container is 5 mm.

[0019] Preferably, the first seal is a dynamic sealing through-piece, and the first seal includes: an inner sleeve, a first sealing ring, an outer sleeve, and a second sealing ring. The first sealing ring is arranged on the inner wall of the inner sleeve, and the second sealing ring is arranged between the inner sleeve and the outer sleeve. The outer sleeve is connected to the sealing chamber body through the packaging through hole, the outer sleeve is connected to the inner sleeve through the second sealing ring, and the inner sleeve is connected to the packaging container through the first sealing ring.

[0020] Preferably, the hollow plug adopts a straight tube structure with upper and lower bottoms, and the material of the hollow plug is stainless steel;

[0021] The packaging container adopts a straight tube structure with a lower bottom, and the material of the packaging container is stainless steel.

[0022] Preferably, the gap between the outer wall of the hollow tube of the hollow plug and the inner wall of the cylinder of the packaging container is 1 mm to 5 mm.

[0023] Preferably, the sealed chamber is any one of a glove box, a work box, a shielding room, and a hot chamber.

[0024] Preferably, the packaging container comprises: a packaging container body and an anti-deformation block arranged at an opening of the packaging container body, wherein the anti-deformation block is used to prevent the opening of the packaging container body from deforming.

[0025] The anti-deformation block is made of elastic material.

[0026] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0027] A welding and cutting device, located outside the sealing box, used for welding and cutting the hollow plug and the packaging container;

[0028] The cutting device is located in the sealed box chamber and is used to cut unqualified packaging containers.

[0029] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0030] The lifting device is located outside the sealed box chamber and is used to lift or lower, or lift and transfer, the packaging container.

[0031] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0032] The helium detection device is located outside the sealed box and is used to perform helium leak detection on the packaging container.

[0033] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0034] The second grabbing device is located outside the sealed box, and is used for grabbing operations outside the sealed box.

[0035] The present invention also provides a packaging method for sealed packaging using the above packaging system for sealed packaging of packaging containers, comprising the following steps:

[0036] Equipment in place: the packaging container is sealed and connected to the sealed box body through the first sealing member, the packaged object is grabbed into the packaging container by the first grabbing device, the hollow plug is inserted into the packaging container with the packaged object by the first grabbing device, and the helium filling cover is placed outside the opening of the packaging container by the first grabbing device;

[0037] Helium filling: Fill the packaging container with helium through the helium filling device;

[0038] Welding and sealing packaging: welding and sealing the packaging container;

[0039] Helium leak detection: Perform helium leak detection on the packaged packaging containers;

[0040] Packaging container products: If the leak test is qualified, the packaging container will be obtained. If the leak test is unqualified, the unqualified packaging container will be returned to the sealed box room for processing.

[0041] Preferably, when the helium leak detection is performed on the packaged packaging container in the step, the detection lower limit of the leakage rate is not less than 1×10 -9 Pa·m 3 / s.

[0042] Preferably, the step of welding and sealing the packaging container is specifically as follows: welding the packaging container and the hollow plug together, welding at least three sealing welds on the hollow tube body between the upper bottom of the hollow plug and the lower bottom of the hollow plug, and cutting the weld in the area between any two welds.

[0043] In view of the shortcomings of the existing manual or semi-automatic packaging methods for radioactive materials, the present invention provides a helium filling device, a packaging system, and a packaging method for sealed packaging of packaging containers, which realizes the automation of the packaging process, greatly reduces the radiation risk of operators, and improves the automation level and work efficiency of the system. At the same time, the process method returns unqualified packaging containers to the original system for reuse, realizing the minimization of radioactive waste management and the optimization of personnel protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Attached Figure 1 A schematic structural diagram of a packaging system for sealing a packaging container provided in Embodiment 2 of the present invention;

[0045] Attached Figure 2 A schematic diagram of the equipment provided in Example 2 of the present invention before welding and sealing;

[0046] Attached Figure 3 A schematic diagram of returning unqualified packaging containers provided in Example 2 of the present invention;

[0047] Attached Figure 4 A schematic diagram of the placement of an empty thin-walled container provided in Example 2 of the present invention;

[0048] Attached Figure 5 A block diagram of the automated sealing packaging process for thin-walled containers provided in Example 2 of the present invention.

[0049] In the figure: 1-sealed chamber; 2-first gripping device; 3-quick plug; 4-helium filling cover; 5-first sealing member; 6-hollow plug; 7-product cup; 8-thin-wall container; 9-welding and cutting device; 10-first mass flow controller; 11-lifting device; 12-helium detection device; 13-second gripping device; 14-sealing expansion ring; 15-cutting device; 16-temporary storage position; 17-unqualified packaging container; 18-residual container; 19-transfer channel; 20-second mass flow controller; 21-first valve; 22-second valve; 23-third valve; 24-fourth valve; 25-compressed air system; 26-helium system; 27-vacuum system. DETAILED DESCRIPTION

[0050] 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.

[0051] 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.

[0052] 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.

[0053] 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.

[0054] Example 1

[0055] The present embodiment provides a helium filling device for sealing a packaging container, comprising: a helium filling hood, a compressed air pipeline, a helium pipeline, a vacuum pipeline, and an exhaust pipeline. The helium filling hood is located in a sealed chamber, the compressed air pipeline is connected to the helium filling hood, the helium pipeline is connected to the helium filling hood, the vacuum pipeline is connected to the helium filling hood, and the exhaust pipeline is connected to the helium filling hood. The helium filling hood is used to be covered on a packaging container containing packaging materials. The compressed air pipeline runs through the sealed chamber, the helium pipeline runs through the sealed chamber, the vacuum pipeline runs through the sealed chamber, and the exhaust pipeline is located in the sealed chamber. The compressed air pipeline is used to pass compressed air into the helium filling hood to seal the helium filling hood and the packaging container, the helium pipeline is used to pass helium into the helium filling hood, the vacuum pipeline is used to evacuate the helium filling hood, and the exhaust pipeline is used to empty the helium filling hood.

[0056] This embodiment also provides a packaging system for sealing a packaging container, comprising:

[0057] A sealed box chamber, a first sealing member, a hollow plug, a packaging container, a first gripping device, and the above-mentioned helium filling device,

[0058] The sealed box chamber comprises a sealed box chamber body, a packaging through hole and a transfer hole arranged on the sealed box chamber body.

[0059] The sealed chamber body is connected to the transfer channel through the transfer hole.

[0060] The first sealing member is arranged on the packaging through hole, and the packaging container is sealed and connected with the sealed box body through the first sealing member.

[0061] The hollow plug is used to be inserted into a packaging container containing packaging materials. The hollow plug comprises a hollow tube body, a hollow plug upper bottom and a hollow plug lower bottom respectively connected to the hollow tube body. The hollow plug lower bottom faces the bottom of the packaging container, and the hollow plug upper bottom faces the opening of the packaging container. The outer wall of the hollow tube body is cooperatively connected with the inner wall of the packaging container. The helium filling cover of the helium filling device is arranged outside the opening of the packaging container. The first grasping device is located in the sealed box chamber. The first grasping device is used for grasping operations in the sealed box chamber.

[0062] This embodiment also provides a packaging method for sealed packaging using the above-mentioned packaging system for sealed packaging of packaging containers, comprising the following steps:

[0063] Equipment in place: the packaging container is sealed and connected to the sealed box body through the first sealing member, the packaged object is grabbed into the packaging container by the first grabbing device, the hollow plug is inserted into the packaging container with the packaged object by the first grabbing device, and the helium filling cover is placed outside the opening of the packaging container by the first grabbing device;

[0064] Helium filling: Fill the packaging container with helium through the helium filling device;

[0065] Welding and sealing packaging: welding and sealing the packaging container;

[0066] Helium leak detection: Perform helium leak detection on the packaged packaging containers;

[0067] Packaging container products: If the leak test is qualified, the packaging container will be obtained. If the leak test is unqualified, the unqualified packaging container will be returned to the sealed box room for processing.

[0068] This embodiment provides a helium filling device, packaging system, and packaging method for sealed packaging of packaging containers, which realizes the automation of the packaging process, greatly reduces the radiation risk of operators, and improves the automation level and work efficiency of the system. At the same time, the process method returns unqualified packaging containers to the original system for reuse, realizing the minimization of radioactive waste management and the optimization of personnel protection.

[0069] Example 2

[0070] As attached Figure 1As shown, this embodiment provides a helium filling device for sealing and packaging a packaging container, comprising: a helium filling hood 4, a compressed air pipeline, a helium pipeline, a vacuum pipeline, and an exhaust pipeline. The helium filling hood 4 is located in a sealed chamber 1, the compressed air pipeline is connected to the helium filling hood 4, the helium pipeline is connected to the helium filling hood 4, the vacuum pipeline is connected to the helium filling hood 4, and the exhaust pipeline is connected to the helium filling hood 4. The helium filling hood 4 is used to cover the packaging container containing the packaged object. The compressed air pipeline runs through the sealed chamber 1, the helium pipeline runs through the sealed chamber 1, the vacuum pipeline runs through the sealed chamber 1, and the exhaust pipeline is located in the sealed chamber 1. The compressed air pipeline is used to pass compressed air into the helium filling hood 4 so that the helium filling hood 4 and the packaging container are sealed. The helium pipeline is used to pass helium into the helium filling hood 4, the vacuum pipeline is used to evacuate the helium filling hood 4, and the exhaust pipeline is used to empty the helium filling hood 4. The compressed air pipeline, the helium pipeline, the vacuum pipeline, and the exhaust pipeline are all connected to the helium filling hood 4 through a quick plug 3.

[0071] Specifically, in this embodiment, the compressed air pipeline is connected to the compressed air system 25, and the compressed air system 25 provides compressed air. The helium pipeline is connected to the helium system 26, and the helium system 26 provides helium. The vacuum pipeline is connected to the vacuum system 27, and the vacuum system 27 provides vacuum.

[0072] The vacuum system 27, the compressed air system 25 and the helium system 26 are auxiliary systems for packaging containers. The auxiliary systems can be set up separately according to the packaging parameter requirements of the packaging containers, or the original facilities can be used for corresponding pressure adjustment.

[0073] Preferably, the helium filling device for sealing packaging of packaging containers further includes: a first valve 21, a second valve 22, a third valve 23, a fourth valve 24, a first mass flow controller 10, a second mass flow controller 20, and a controller. The first valve 21 is arranged on the compressed air pipeline, the first mass flow controller 10 is arranged on the compressed air pipeline, the first mass flow controller 10 is located downstream of the first valve 21, the second valve 22 is arranged on the helium pipeline, the second mass flow controller 20 is arranged on the helium pipeline, the second mass flow controller 20 is located downstream of the second valve 22, the third valve 23 is arranged on the vacuum pipeline, and the fourth valve 24 is arranged on the emptying pipeline. The controller controls the opening and closing of the first valve 21, the second valve 22, the third valve 23, and the fourth valve 24 respectively. The controller controls the mass flow rate of the compressed air introduced by controlling the first mass flow controller 10, the controller controls the mass flow rate of the helium introduced by controlling the second mass flow controller 20, the controller controls the vacuum degree by controlling the third valve 23, and the controller controls the emptying of the helium filling hood 4 by controlling the fourth valve 24.

[0074] The controller has the functions of automatic control and real-time process monitoring, and the two work together to realize the automatic operation of packaging containers. The vacuum system 27, the compressed air system 25, the helium system 26, and the controller are placed outside the sealed box 1.

[0075] Preferably, the helium filling cover 4 comprises: a helium filling cover body and a second sealing member, and the helium filling cover body is sealed and connected to the packaging container via the second sealing member.

[0076] The second sealing member is a sealing expansion ring 14, and the second sealing member is connected to the helium filling cover body.

[0077] The helium filling hood 4 adopts a "hat-shaped" structural design. The helium filling hood 4 is provided with compressed air, vacuum, helium and exhaust interfaces. When working, the helium filling hood 4 is covered on the upper part of the packaging container, compressed air is introduced into the helium filling hood 4 and the expansion ring is used to press and seal it. The vacuum is first drawn and then helium is filled to realize the helium filling in the packaging container.

[0078] The compressed air pipeline, helium pipeline, vacuum pipeline and exhaust pipeline are metal hoses or hoses made of other materials. The compressed air pipeline is connected to the compressed air system 25, the helium pipeline is connected to the helium system 26, the vacuum pipeline is connected to the vacuum system 27, and the exhaust pipeline is used for discharge. The connection forms are welding, flange, clamp or thread. The outer surface of the equipment can be decontaminated, and the material can withstand flushing with dilute nitric acid (3mol / L, 70℃) and 0.3MPa deionized water (70℃). The equipment has a preset radiation resistance, and the specific radiation resistance dose rate is determined according to the parameters of the radioactive material.

[0079] This embodiment also provides a packaging system for sealing a packaging container, comprising:

[0080] Sealed box chamber 1, first sealing member 5, hollow plug 6, packaging container, first gripping device 2, and the above-mentioned helium filling device,

[0081] The sealed box chamber 1 includes a sealed box chamber body, a packaging through hole and a transfer hole arranged on the sealed box chamber body.

[0082] The sealed chamber body is connected to the transfer channel 19 through the transfer hole.

[0083] The first sealing member 5 is arranged on the packaging through hole, and the packaging container is sealed and connected with the sealed box body through the first sealing member 5.

[0084] The hollow plug 6 is used to be inserted into a packaging container containing packaging materials. The hollow plug 6 includes a hollow tube body, a hollow plug upper bottom and a hollow plug lower bottom respectively connected to the hollow tube body. The hollow plug lower bottom faces the bottom of the packaging container, and the hollow plug upper bottom faces the opening of the packaging container. The outer wall of the hollow tube body is cooperatively connected with the inner wall of the packaging container. The helium filling cover 4 of the helium filling device is covered outside the opening of the packaging container. The first grasping device 2 is located in the sealed box chamber 1. The first grasping device 2 is used for grasping operations in the sealed box chamber 1.

[0085] The first sealing member 5, the packaging container and the sealed chamber 1 form a complete containment place. The packaging material and the hollow plug 6 are transported to the sealed chamber 1 through the transfer channel 19 connected to the sealed chamber 1. The air supply and exhaust of the sealed chamber 1 are connected to the corresponding air supply and exhaust system in the factory facilities, and the waste gas is discharged in an organized manner. The waste generated in the sealed chamber 1 is grabbed by the first grabbing device 2 and placed in the trolley of the transfer channel 19, and transferred to the waste treatment station for organized packaging treatment.

[0086] Specifically, the packaging container in this embodiment is a thin-walled container 8, and the first grasping device 2 is a first automated grasping device.

[0087] The sealed box chamber 1 is used as a containment place for the sealed packaging of radioactive materials.

[0088] Preferably, the hollow plug 6 also includes: a clamping block and a limiting block, the clamping block is arranged on the top surface of the upper bottom of the hollow plug, the clamping block is used for clamping, the limiting block is arranged on the bottom surface of the lower bottom of the hollow plug, the clamping block is used for clamping, and the limiting block is used to limit the distance between the hollow plug 6 and the bottom of the packaging container.

[0089] Preferably, the height of the stopper is 10 mm to 50 mm, the outer diameter of the hollow tube body is slightly smaller than the inner diameter of the packaging container cylinder, the gap is controlled between 1 mm and 5 mm, the height of the hollow tube body is 30 mm to 50 mm, the upper bottom of the hollow plug and the wall thickness of the hollow tube body are 1 mm to 3 mm, and the wall thickness of the lower bottom of the hollow plug is 5 mm;

[0090] The thickness of the cylindrical wall of the packaging container is 1 mm to 3 mm, and the thickness of the lower bottom wall of the packaging container is 5 mm.

[0091] Specifically, in this embodiment, the height of the limit block is 30 mm, the outer diameter of the hollow tube body is slightly smaller than the inner diameter of the packaging container cylinder, the gap is 3 mm, the height of the hollow tube body is 40 mm, and the upper bottom of the hollow plug and the wall thickness of the hollow tube body are 2 mm;

[0092] The wall thickness of the packaging container is 2 mm.

[0093] Specifically, the packaged object in this embodiment is a product cup 7, and the design of the cylinder diameter and height of the packaging container needs to be determined in combination with the size of the product cup 7 and the on-site space.

[0094] Preferably, the first sealing member 5 is a dynamic sealing through-piece, and the first sealing member 5 comprises: an inner sleeve, a first sealing ring, an outer sleeve, and a second sealing ring. The first sealing ring is arranged on the inner wall of the inner sleeve, and the second sealing ring is arranged between the inner sleeve and the outer sleeve. The outer sleeve is connected to the sealing chamber body through the packaging through hole, the outer sleeve is connected to the inner sleeve through the second sealing ring, and the inner sleeve is connected to the packaging container through the first sealing ring.

[0095] The dynamic seal penetration adopts the combination of inner sleeve, outer sleeve, first sealing ring and second sealing ring for dynamic sealing. When the first sealing ring and the second sealing ring are due for replacement, loosen the compression cover plate that compresses the inner sleeve and the outer sleeve, install the first sealing ring on the inner wall of the new middle inner sleeve and the second sealing ring on the outer wall, install the sealing dummy inside the inner sleeve, and push the old middle inner sleeve from the bottom to complete the replacement, so as to prevent the upper and lower atmospheres of the sealed chamber 1 from communicating with each other.

[0096] The dynamic seal penetration piece is a part of the containment boundary of the sealed chamber 1, so that the atmosphere inside and outside the sealed chamber 1 does not cross each other during the packaging process of the packaging container. When replacing the packaging container, returning the unqualified packaging container 17, and replacing the sealing ring of the dynamic seal penetration piece, all use the top-up method to prevent the atmosphere in the sealed chamber 1 from leaking out.

[0097] Preferably, the hollow plug 6 adopts a straight tube structure with upper and lower bottoms, and the material of the hollow plug 6 is stainless steel;

[0098] The packaging container adopts a straight tube structure with a lower bottom, and the material of the packaging container is stainless steel.

[0099] Preferably, the gap between the outer wall of the hollow tube of the hollow plug 6 and the inner wall of the cylinder of the packaging container is 1 mm to 5 mm.

[0100] Preferably, the sealed chamber 1 is any one of a glove box, a work box, a shielding room, and a hot chamber.

[0101] When designing the sealed box chamber 1, a packaging through hole connected to the packaging container needs to be reserved at the bottom, and the space required for the installation, operation and maintenance of the vertical packaging equipment of the packaging container needs to be considered.

[0102] Preferably, the packaging container comprises: a packaging container body and an anti-deformation block provided at an opening of the packaging container body.

[0103] The anti-deformation block is made of elastic material and is used to prevent the opening of the packaging container body from deforming.

[0104] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0105] The welding and cutting device 9 is located outside the sealed box chamber 1 and is used to weld and cut the hollow plug 6 and the packaging container;

[0106] The cutting device 15 is located in the sealed chamber 1 and is used to cut unqualified packaging containers. The cutting device 15 is made of stainless steel, the outer surface can be decontaminated, and the material can withstand washing with dilute nitric acid (3 mol / L, 70°C) and 0.3MPa deionized water (70°C). The equipment must have a preset radiation resistance, and the specific radiation resistance dose rate is determined according to the parameters of the radioactive material. Safety interlocking is performed by controlling the distance to ensure that the packaging container is not damaged during cutting.

[0107] Specifically, the welding and cutting device 9 in this embodiment is a laser welding and cutting device.

[0108] The laser welding and cutting device is an automated laser cutting device, which is used for laser welding and cutting of packaging containers and hollow plugs 6. When cutting, the laser welding and cutting device can be used for rotary cutting, or the packaging container can be used for rotary cutting. In order to ensure that the atmosphere does not leak out, the welding process ensures that 3 or 5 welds are welded, and when cutting, the middle weld is cut. The laser welding and cutting device 9 is provided with safety protection measures to prevent the non-cutting part of the thin packaging container from being damaged or the product cup 7 from being hurt.

[0109] The laser welding and cutting device 9 can perform welding and cutting by rotating the welding gun while the packaging container remains stationary. The packaging container and the hollow plug 6 are welded with 5 welds by laser, and the third weld is cut in the middle to complete the welding operation of the packaging container. The equipment has a preset radiation resistance capability, and the specific radiation resistance dose rate is determined according to the parameters of the radioactive material. Safety interlocking is performed by controlling the distance to ensure that the packaging container is not damaged during cutting.

[0110] The packaging container is cut into a sealed packaging container and a residual container 18 . The sealed packaging container contains packaging materials. The lower bottom of the hollow plug is in the sealed packaging container, and the upper bottom of the hollow plug is in the residual container 18 .

[0111] The cutting device 15 is an automated mechanical hard cutting device, which is used to cut unqualified packaging containers 17. During cutting, the cutting device 15 can be used for rotary cutting or the packaging container can be used for rotary cutting. The cutting device 15 is provided with safety protection measures to prevent the non-cutting part of the packaging container from being damaged or the product cup 7 in the packaging container from being hurt.

[0112] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0113] The lifting device 11 is located outside the sealed box chamber 1 and is used to lift or lower, or lift and transfer, the packaging container.

[0114] Specifically, the lifting device 11 in this embodiment is used to lift and transfer the packaging container, and the lifting device 11 is a lifting and transfer device. The welding and cutting device 9 and the lifting device 11 are placed just below the sealed box chamber 1.

[0115] The lifting device 11 is an automated lifting device, which is used to lift packaging containers, qualified sealed packaging containers, unqualified sealed packaging containers, etc. to the welding and sealing position of the sealed chamber 1, and to transfer between the bottom and the outside of the sealed chamber 1. When the packaging container is rotated for welding and cutting, the packaging container rotation function is required. The lifting device 11 can be completed by one device or a combination of multiple devices. The lifting device 11 needs to be equipped with safety protection measures, which can realize automatic locking to prevent the container from falling. The lifting device 11 needs to have high positioning accuracy and can realize precise positioning.

[0116] The lifting and transfer actions of the lifting device 11 adopt linear modules. The equipment has high positioning accuracy, and the repeated positioning accuracy does not exceed ±1mm. The equipment has a preset radiation resistance capability, and the specific radiation resistance dose rate is determined according to the radioactive material parameters.

[0117] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0118] The helium detection device 12 is located outside the sealed box chamber 1 and is used to perform helium leak detection on the packaging container.

[0119] The helium detection device 12 is an automated helium leak detection device used for helium leak detection of packaging containers. The helium detection device 12 is equipped with a necessary exhaust system for the organized discharge of waste gas. The lower limit of the leakage rate of the helium detection device 12 is not less than 1×10 - 9 Pa·m 3 / s, the equipment must have a preset radiation resistance capability, and the specific radiation dose rate is determined according to the radioactive material parameters.

[0120] Preferably, the packaging system for sealing packaging of packaging containers further comprises:

[0121] The second grabbing device 13 is located outside the sealed chamber 1 , and is used for grabbing operations outside the sealed chamber 1 .

[0122] Specifically, in this embodiment, the second grasping device 13 is a second automated grasping device.

[0123] The second gripping device 13 is an automated transfer device, which is used to grip qualified packaging containers and unqualified packaging containers 17, and to transfer between the transfer point of the lifting device 11, the helium inspection device 12 and the temporary storage position 16 of the packaging container, and the temporary storage position 16 is located in the sealed box chamber 1. The second gripping device 13 can be completed by one device or a combination of multiple devices. The second gripping device 13 is provided with safety protection measures, which can realize automatic locking to prevent the packaging container from falling. The second gripping device 13 has high positioning accuracy and can achieve precise positioning.

[0124] Preferably, the packaging system for sealed packaging of packaging containers in this embodiment further includes: a packaging control device.

[0125] The packaging control device is connected to the first grabbing device 2, and the packaging control device controls the first grabbing device 2 to perform an automatic grabbing operation in the sealed box chamber 1;

[0126] The packaging control device is connected to the welding and cutting device 9, and the packaging control device controls the automatic welding operation of the welding and cutting device 9;

[0127] The packaging control device is connected to the cutting device 15, and the packaging control device controls the cutting device 15 to automatically perform cutting operations;

[0128] The packaging control device is connected to the lifting device 11, and the packaging control device controls the lifting device 11 to automatically rise and fall, or automatically rise and fall and transfer operations;

[0129] The packaging control device is connected to the helium detection device 12, and the packaging control device automatically performs helium leak detection;

[0130] The packaging control device is connected to the second grabbing device 13 , and the packaging control device controls the second grabbing device 13 to perform automatic grabbing operations outside the sealed box chamber 1 .

[0131] The packaging control device integrates all the automated equipment in the packaging process of the packaging container, and can realize continuous monitoring, remote control, automatic alarm and interlocking in case of abnormality in the whole process.

[0132] The control system is also used for time control. The control system includes a controller and a packaging control device. When the vacuuming, helium filling, helium leak detection, etc. reach the preset time, the control system automatically closes the electric valve or mechanical switch on the relevant pipeline. The control system is also used for flow control. When the flow of compressed air, vacuum, or helium is too large or too small, the control system automatically adjusts the opening of the valve on the corresponding pipeline. The control system is also used for pressure control. When the pressure of compressed air, vacuum, or helium is too large or too small, the control system automatically adjusts the opening of the flow controller on the corresponding pipeline.

[0133] The control system is also used for automatic interlocking control of process such as equipment positioning, helium filling, welding and sealing packaging, helium leak detection and return processing of unqualified packaging containers 17.

[0134] The first grasping device 2 and / or the second grasping device 13 use one or more articulated manipulators or truss robots to meet the requirements of grasping and transferring specific equipment. The first grasping device 2 and / or the second grasping device 13 are made of stainless steel, and the outer surface can be decontaminated. The material must be able to withstand washing with dilute nitric acid (3 mol / L, 70°C) and 0.3MPa deionized water (70°C). The equipment has a certain radiation resistance, and the specific radiation resistance dose rate is determined according to the parameters of the radioactive material. The equipment has a high positioning accuracy, and the repeated positioning accuracy does not exceed ±1mm. The equipment has a certain load capacity, which is specifically determined according to the maximum weight of the grasping device.

[0135] The moving parts and wearing parts such as motors of the packaging system in this embodiment can all adopt a modular design to meet the requirements of rapid replacement and improve the convenience of operation and maintenance.

[0136] The first gripping device 2 is a mechanical automation device that meets the requirements of gripping and transferring the product cup 7, the hollow plug 6, the helium filling device and other equipment. The first gripping device 2 is completed by one device or a combination of multiple devices. The movement adopts joint movement or linear movement. The gripping action adopts mechanical grippers or vacuum suction cups, and the motor adopts a servo motor. The first gripping device 2 is equipped with safety protection measures to achieve automatic locking to prevent the packaging container from falling. The first gripping device 2 has high positioning accuracy and achieves precise positioning.

[0137] This embodiment also provides a packaging process method for sealed packaging using the above-mentioned packaging system for sealed packaging of packaging containers, comprising the following steps:

[0138] Equipment in place: the packaging container is sealed and connected to the sealed box body through the first sealing member 5, the packaging material is grabbed into the packaging container by the first grabbing device 2, and the hollow plug 6 is inserted into the packaging container with the packaging material by the first grabbing device 2, and the helium filling cover 4 is covered outside the opening of the packaging container by the first grabbing device 2;

[0139] Helium filling: Fill the packaging container with helium through the helium filling device;

[0140] Welding and sealing packaging: welding and sealing the packaging container;

[0141] Helium leak detection: Perform helium leak detection on the packaged packaging containers;

[0142] Packaging container product: If the leak detection is qualified, the packaging container is obtained; if the leak detection is unqualified, the unqualified packaging container 17 is returned to the sealed box chamber 1 for processing.

[0143] Preferably, when the helium leak detection is performed on the packaged packaging container in the step, the detection lower limit of the leakage rate is not less than 1×10 -9 Pa·m 3 / s.

[0144] Preferably, the step of welding and sealing the packaging container is specifically as follows: welding the packaging container and the hollow plug 6 together, welding at least three sealing welds on the hollow tube body between the upper bottom of the hollow plug and the lower bottom of the hollow plug, and cutting the weld in the area between any two welds.

[0145] The packaging system in this embodiment can realize automatic helium filling and packaging in a vertical state; at the same time, in order to avoid contamination caused by unqualified packaging containers 17, the process method is also provided with an automatic return function.

[0146] The process method for automatic sealed packaging of packaging containers in this embodiment includes a process system and a control system, and the two are integrated. The process method integrates the process system and the control system connected with electricity, and the control system has the functions of automatic control and real-time process monitoring, and the two work in cooperation with each other.

[0147] The process method in this embodiment integrates the equipment positioning, helium filling, welding and sealing, helium leak detection, return of unqualified packaging containers 17 and control system during the vertical packaging process of highly radioactive material packaging containers.

[0148] The packaging control device in this embodiment has the function of automatic control, and can effectively control the five process steps of equipment positioning, helium filling, welding and sealing packaging, helium leak detection and return processing of unqualified packaging containers 17 during the entire packaging container packaging process, and set safety interlocks and emergency power supply protection for key mechanical actions (such as transfer, grabbing, lifting, welding and sealing, etc.).

[0149] The packaging system in this embodiment can be used to seal and package radioactive materials in vertical packaging containers in a sealed chamber 1, and perform helium leak detection after automatic internal helium filling and packaging. At the same time, in order to avoid contamination caused by unqualified packaging containers 17, unqualified packaging containers 17 are automatically returned to the original system for repackaging.

[0150] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 and attached Figure 5The equipment installation process is described as follows: before the equipment is activated, the empty thin-walled container 8 is manually placed on the lifting device 11, and the empty thin-walled container 8 is pushed into the packaging position of the sealed box chamber 1 by the lifting device 11 to complete the sealing of the sealed box chamber 1. Before the product cup 7 is packaged, the product cup 7 and the hollow plug 6 are transferred into the sealed box chamber 1 through the transfer channel 19, and the first gripping device 2 places the product cup 7 and the hollow plug 6 in the temporary storage position 16; when the packaging starts, the first gripping device 2 places the product cup 7 and the hollow plug 6 in the thin-walled container 8 in turn, and then the helium filling device is covered on the upper part of the thin-walled container 8.

[0151] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 and attached Figure 5 The helium filling process is described as follows: first, the first valve 21 is opened to expand the sealing expansion ring 14 of the helium filling device and compact it with the thin-walled container 8; then, the third valve 23 is opened to create a vacuum inside the thin-walled container 8, and the vacuum degree is maintained at 50 kPa to 90 kPa, which is determined according to the equipment size in the on-site test, and the negative pressure is maintained for 3 to 5 minutes; then, the third valve 23 is closed, and the second valve 22 is opened to control the pressure within 0 to 1000 Pa, and laser welding and cutting is performed after laser welding and cutting. After laser welding and cutting, the second valve 22 is closed, and the fourth valve 24 is opened to eliminate the positive pressure in the residual container 18.

[0152] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 and attached Figure 5 The welding and sealing packaging process is explained as follows: the welding and cutting device 9 is started, and five welds are rotationally welded at the overlap of the hollow plug 6 and the thin-walled container 8. After welding is completed, it is cut from the third weld, and the packaged sealed packaging container is separated from the sealed box chamber 1; the sealed packaging container is lowered to the lowest point through the lifting device 11, and then transferred to a specific point outside the sealed box chamber 1 for subsequent helium leak detection operations.

[0153] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 and attached Figure 5 The helium leak detection process is described as follows: the sealed packaging container is transferred to the helium detection device 12 by the second gripping device 13, and the helium detection device 12 is started. If the detected leakage rate is less than 1×10 -9 Pa·m 3 / s, if the packaging is qualified, the sealed packaging container is placed in the temporary storage position 16 in the sealed box chamber 1 or transferred out in the shielding container through the first grabbing device 2. If the inspection fails, it is returned to the sealed box chamber 1 for processing.

[0154] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 and attached Figure 5 The return processing of the unqualified packaging container 17 is explained as follows: the unqualified packaging container 17 is placed in the fixed position of the lifting device 11 by the second gripping device 13, and is returned to the bottom of the sealed box chamber 1 by the lifting device 11, and the residual container 18 is pushed into the sealed box chamber 1 by the unqualified packaging container 17, and the unqualified packaging container 17 completes the welding and sealing position in place. After that, the unqualified packaging container 17 is cut open in the sealed box chamber 1 by the cutting device 15 (cut between the product cup 7 and the hollow plug 6), and the product cup 7 is taken out and placed in the temporary storage position 16 by the first gripping device 2, and finally the empty thin-walled container 8 is transferred in by the lifting device 11, and pushed into the sealing position of the sealed box chamber 1 to start repackaging. After cutting, the residual container 18 and the unqualified packaging container 17 after cutting are transferred out of the sealed box chamber 1 by the first gripping device 2, and go to a specific position for solid waste packaging processing.

[0155] In view of the shortcomings of the existing manual packaging or semi-automatic packaging methods for radioactive materials, this embodiment provides a helium filling device, packaging system, and packaging method for sealed packaging of packaging containers, which realizes the full automation of the packaging process of radioactive material packaging containers through remote control and operation, greatly reduces the radiation risk and harm of operators, and improves the automation level, safety level, and work efficiency of the system. At the same time, the process method returns unqualified packaging containers 17 to the original system for reuse, realizing the minimization of radioactive waste management and optimization of personnel protection.

[0156] Example 3

[0157] This embodiment also provides a packaging system for sealing packaging of packaging containers, which is different from the embodiment 2 in that:

[0158] In this embodiment, the height of the stopper is 10 mm, the inner diameter of the hollow tube body is slightly smaller than the inner diameter of the packaging container cylinder, the gap is 1 mm, the height of the hollow tube body is 30 mm, and the upper bottom of the hollow plug and the wall thickness of the hollow tube body are 1 mm;

[0159] The wall thickness of the packaging container is 1 mm.

[0160] Example 4

[0161] This embodiment also provides a packaging system for sealing packaging of packaging containers, which is different from the embodiment 2 in that:

[0162] In this embodiment, the height of the stopper is 50 mm, the inner diameter of the hollow tube body is slightly smaller than the inner diameter of the packaging container cylinder, the gap is 5 mm, the height of the hollow tube body is 50 mm, and the upper bottom of the hollow plug and the wall thickness of the hollow tube body are 3 mm;

[0163] The wall thickness of the packaging container is 3 mm.

[0164] 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 helium filling device for sealing a packaging container, characterized in that: include: A helium filling hood, a compressed air pipeline, a helium pipeline, a vacuum pipeline, and an exhaust pipeline. The helium filling hood is located in a sealed chamber. The compressed air pipeline is connected to the helium filling hood, the helium pipeline is connected to the helium filling hood, the vacuum pipeline is connected to the helium filling hood, and the exhaust pipeline is connected to the helium filling hood. The helium filling hood is used to be covered on a packaging container containing packaging materials. The compressed air pipeline runs through the sealed chamber, the helium pipeline runs through the sealed chamber, the vacuum pipeline runs through the sealed chamber, and the exhaust pipeline is located in the sealed chamber. The compressed air pipeline is used to supply compressed air to the helium filling hood, the helium pipeline is used to supply helium to the helium filling hood, the vacuum pipeline is used to evacuate the helium filling hood, and the exhaust pipeline is used to empty the helium filling hood.

2. The helium filling device for sealing packaging of packaging containers according to claim 1, characterized in that: Also includes: The first valve, the second valve, the third valve, the fourth valve, the first mass flow controller, the second mass flow controller, and the controller. The first valve is arranged on the compressed air pipeline, the first mass flow controller is arranged on the compressed air pipeline, the first mass flow controller is located downstream of the first valve, the second valve is arranged on the helium pipeline, the second mass flow controller is arranged on the helium pipeline, the second mass flow controller is located downstream of the second valve, the third valve is arranged on the vacuum pipeline, and the fourth valve is arranged on the emptying pipeline. The controller controls the opening and closing of the first valve, the second valve, the third valve, and the fourth valve respectively. The controller controls the mass flow rate of the compressed air introduced by controlling the first mass flow controller, the controller controls the mass flow rate of the helium introduced by controlling the second mass flow controller, the controller controls the vacuum degree by controlling the third valve, and the controller controls the emptying of the helium-filled hood by controlling the fourth valve.

3. The helium filling device for sealing packaging of packaging containers according to claim 1, characterized in that: The helium filling cover comprises: a helium filling cover body and a second sealing member, and the helium filling cover body is sealed and connected to the packaging container through the second sealing member.

4. A packaging system for sealing a packaging container, characterized in that: include: A sealed box chamber, a first sealing member, a hollow plug, a packaging container, a first gripping device, and a helium filling device according to any one of claims 1 to 3, The sealed box chamber comprises a sealed box chamber body, a packaging through hole and a transfer hole arranged on the sealed box chamber body. The sealed chamber body is connected to the transfer channel through the transfer hole. The first sealing member is arranged on the packaging through hole, and the packaging container is sealed and connected with the sealed box body through the first sealing member. The hollow plug is used to be inserted into a packaging container containing packaging materials. The hollow plug comprises a hollow tube body, a hollow plug upper bottom and a hollow plug lower bottom respectively connected to the hollow tube body. The hollow plug lower bottom faces the bottom of the packaging container, and the hollow plug upper bottom faces the opening of the packaging container. The outer wall of the hollow tube body is cooperatively connected with the inner wall of the packaging container. The helium filling cover of the helium filling device is arranged outside the opening of the packaging container. The first grasping device is located in the sealed box chamber. The first grasping device is used for grasping operations in the sealed box chamber.

5. The packaging system for sealing packaging of packaging containers according to claim 4, characterized in that: The hollow plug also includes: a clamping block and a limiting block. The clamping block is arranged on the top surface of the upper bottom of the hollow plug, and the limiting block is arranged on the bottom surface of the lower bottom of the hollow plug. The clamping block is used for clamping, and the limiting block is used for limiting the distance between the hollow plug and the bottom of the packaging container.

6. The packaging system for sealing packaging of packaging containers according to claim 4, characterized in that: The height of the hollow tube body is 30mm to 50mm, the wall thickness of the upper bottom of the hollow plug and the hollow tube body is 1mm to 3mm, and the wall thickness of the lower bottom of the hollow plug is 5mm; The thickness of the cylindrical wall of the packaging container is 1 mm to 3 mm, and the thickness of the lower bottom wall of the packaging container is 5 mm.

7. The packaging system for sealing packaging of packaging containers according to claim 4, characterized in that: The first sealing component is a dynamic sealing through-piece, and the first sealing component includes: an inner sleeve, a first sealing ring, an outer sleeve, and a second sealing ring. The first sealing ring is arranged on the inner wall of the inner sleeve, and the second sealing ring is arranged between the inner sleeve and the outer sleeve. The outer sleeve is connected to the sealing chamber body through the packaging through hole, the outer sleeve is connected to the inner sleeve through the second sealing ring, and the inner sleeve is connected to the packaging container through the first sealing ring.

8. The packaging system for sealing packaging of packaging containers according to claim 4, characterized in that: The hollow plug adopts a straight tube structure with upper and lower bottoms, and the material of the hollow plug is stainless steel; The packaging container adopts a straight tube structure with a lower bottom, and the material of the packaging container is stainless steel.

9. The packaging system for sealing packaging of packaging containers according to claim 4, characterized in that: The gap between the outer wall of the hollow tube body of the hollow plug and the inner wall of the cylinder of the packaging container is 1 mm to 5 mm.

10. The packaging system for sealing packaging of packaging containers according to claim 4, characterized in that: The sealed chamber is any one of a glove box, a work box, a shielding room, and a hot chamber.

11. The packaging system for sealing packaging of packaging containers according to claim 4, characterized in that: The packaging container comprises: a packaging container body and an anti-deformation block arranged at the opening of the packaging container body, wherein the anti-deformation block is used to prevent the opening of the packaging container body from being deformed.

12. The packaging system for sealing and packaging a packaging container according to any one of claims 4 to 11, characterized in that: Also includes: A welding and cutting device, located outside the sealing box, used for welding and cutting the hollow plug and the packaging container; The cutting device is located in the sealed box chamber and is used to cut unqualified packaging containers.

13. The packaging system for sealing and packaging a packaging container according to any one of claims 4 to 11, characterized in that: Also includes: The lifting device is located outside the sealed box chamber and is used to lift or lower, or lift and transfer, the packaging container.

14. The packaging system for sealing and packaging a packaging container according to any one of claims 4 to 11, characterized in that: Also includes: The helium detection device is located outside the sealed box and is used to perform helium leak detection on the packaging container.

15. The packaging system for sealing and packaging a packaging container according to any one of claims 4 to 11, characterized in that: Also includes: The second grabbing device is located outside the sealed box, and is used for grabbing operations outside the sealed box.

16. A packaging method for sealed packaging using the packaging system for sealed packaging of packaging containers according to any one of claims 4 to 15, characterized in that: The following steps are involved: Equipment in place: the packaging container is sealed and connected to the sealed box body through the first sealing member, the packaged object is grabbed into the packaging container by the first grabbing device, the hollow plug is inserted into the packaging container with the packaged object by the first grabbing device, and the helium filling cover is placed outside the opening of the packaging container by the first grabbing device; Helium filling: Fill the packaging container with helium through the helium filling device; Welding and sealing packaging: welding and sealing the packaging container; Helium leak detection: Perform helium leak detection on the packaged packaging containers; Packaging container products: If the leak test is qualified, the packaging container will be obtained. If the leak test is unqualified, the unqualified packaging container will be returned to the sealed box room for processing.

17. The packaging method for sealed packaging using a packaging system for sealed packaging of packaging containers according to claim 16, characterized in that: When the above step performs helium leak detection on the packaged packaging container, the detection limit of the leakage rate is not less than 1×10 -9 Pa·m 3 / s.

18. The packaging method for sealed packaging using a packaging system for sealed packaging of packaging containers according to claim 16, characterized in that: The steps of welding and sealing the packaging container are specifically as follows: welding the packaging container and the hollow plug together, welding at least three sealing welds on the hollow tube body between the upper bottom of the hollow plug and the lower bottom of the hollow plug, and cutting the weld in the area between any two welds.

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