CN113380435A - Containing box for He-3 gas loop - Google Patents
Containing box for He-3 gas loop Download PDFInfo
- Publication number
- CN113380435A CN113380435A CN202110698806.2A CN202110698806A CN113380435A CN 113380435 A CN113380435 A CN 113380435A CN 202110698806 A CN202110698806 A CN 202110698806A CN 113380435 A CN113380435 A CN 113380435A
- Authority
- CN
- China
- Prior art keywords
- packaging box
- box body
- window
- flange
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J21/00—Chambers provided with manipulation devices
- B25J21/02—Glove-boxes, i.e. chambers in which manipulations are performed by the human hands in gloves built into the chamber walls; Gloves therefor
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/12—Closures for containers; Sealing arrangements
Abstract
The invention discloses a containing box for a He-3 gas loop, which comprises a packaging box body, wherein the side wall of the packaging box body is provided with an observation window, an operation glove is arranged on the observation window, the top of the packaging box body is detachably provided with an overhaul window, and the joint of the overhaul window and the packaging box body is sealed by a sealing gasket; the inspection window is provided with an illuminating device, and the joint of the illuminating device and the inspection window is sealed; the packaging box body is provided with an air inlet, an air inlet filter is arranged at the air inlet, and a negative pressure fan is arranged on the air inlet filter; the packaging box body is provided with a cable plugging port and an air pipe plugging port, and the cable plugging port and the air pipe plugging port are respectively provided with a cable interface and an air pipe interface. The containing box is used for containing equipment, valves, instruments and pipelines of a He-3 gas loop and preventing tritium generated by the reaction of He-3 and neutrons from being released into the environment.
Description
Technical Field
The invention relates to the technical field of fuel irradiation, in particular to a containing box for a He-3 gas loop.
Background
Tritium belongs to low-toxicity and difficult-to-protect radioactive nuclide, and has strong affinity, adsorption force and permeability to metal and nonmetal. Tritium toxicity is manifested primarily by radiation effects and biochemical effects. The radiation hazard mainly refers to internal radiation, after tritiated water enters a human body, the tritiated water is quickly and uniformly distributed in body fluid of the whole body, and most of beta ray energy is absorbed by cell nucleus and generates ionization.
In a fuel assembly transient test based on a helium-3 gas loop method, in the test process, helium-3 and neutrons react with NP to generate tritium. Because the gas loop relates to a large amount of equipment, valves, instruments and pipelines, in order to prevent tritium from being released into the environment and ensure the safety of operators, the tritium-involved equipment, the valves, the instruments and the pipelines in the gas loop need to be contained in a relatively closed and negative-pressure environment, and the box body which can be operated by the operators can be ensured.
Disclosure of Invention
The invention aims to provide a containing box for a He-3 gas loop, which is used for containing equipment, valves, instruments and pipelines of the He-3 gas loop and preventing tritium generated by the reaction of He-3 and neutrons from being released into the environment.
The invention is realized by the following technical scheme:
a containing box for a He-3 gas loop comprises a packaging box body, wherein an observation window is arranged on the side wall of the packaging box body, an operation glove is arranged on the observation window, an overhaul window is detachably arranged at the top of the packaging box body, and the joint of the overhaul window and the packaging box body is sealed by a sealing gasket; the inspection window is provided with an illuminating device, and the joint of the illuminating device and the inspection window is sealed; the packaging box body is provided with an air inlet, an air inlet filter is arranged at the air inlet, and a negative pressure fan is arranged on the air inlet filter; the packaging box is characterized in that a cable inserting port and an air pipe inserting port are arranged on the packaging box body, a cable interface and an air pipe interface are respectively arranged on the cable inserting port and the air pipe inserting port, the cable interface and the air pipe interface are sealed by adopting quick connectors, and the quick connectors are in threaded connection with the cable interface and the air pipe interface.
The cable insertion port and the air pipe insertion port have the function of sealing the packaging box body, so that the air tightness of the packaging box body is ensured; the maintenance window and the lighting device are sealed, so that the whole packaging box body is ensured to be air-tight; meanwhile, the negative pressure fan is arranged to enable negative pressure to be formed in the packaging box body, tritium and other gases leaked in the pipeline are effectively prevented from diffusing to a process room, and the operation safety is improved.
Therefore, the containing box has good air sealing performance and forms negative pressure inside, can be used for containing equipment, valves, instruments and pipelines of a He-3 gas loop, and prevents tritium generated by the reaction of He-3 and neutrons from being released into the environment.
Further, the access window comprises an access window panel, the access window panel is connected to the top of the packaging box body through bolts, a sealing gasket is adopted at the joint of the access window panel and the top of the packaging box body for sealing, and an access door flange used for installing a lighting device is arranged on the access window panel.
The access panel of above-mentioned structure can be convenient for realize the maintenance of packing box internal plant, can realize again that access panel and packing box junction are sealed.
Further, the lighting device comprises a lampshade, a lighting lamp cover plate, an LED lamp panel, an inner angle screw, a sealing washer and a light-transmitting plate;
the utility model discloses a light-passing board, including light-passing board, lamp shade, light-passing board, lamp shade cover LED lamp panel and detachable the installing on the maintenance window panel, the light-passing board passes through the interior angle screw to be installed on the access door flange, the LED lamp panel is installed in LED lamp panel below through the access door flange, the upper end and the lower extreme of light-passing board all are provided with seal ring, the lamp shade cover LED lamp panel and detachable the installing on the maintenance window panel.
The lighting device with the structure can meet the lighting function and can realize the sealing connection between the lighting device and the maintenance window.
Further, two lighting devices are arranged on the access window panel in parallel, and each lighting device comprises three LED lamp panels.
Further, 4 groups of observation windows are arranged, and the front side wall of the packaging box body is full of the 4 groups of observation windows.
The observation window arranged above can irradiate all operations and overhauls of the valve and the like in the whole box body, so that the times of opening the box body are avoided, the sealing performance of the box body is guaranteed, and the operation efficiency of the test is improved.
Furthermore, the packaging box body comprises a rectangular steel frame structure, the outer side of the steel frame structure is coated with a steel plate, the steel frame structure is formed by welding hollow steel, and a support for installing He-3 gas loop equipment is arranged in the steel frame structure.
Preferably, the support is built by channel steel, and can provide mounting positions for pipelines, instruments and the like.
Further preferably, the containing space in the packaging box body is divided into an upper layer and a lower layer through the support, equipment and valve pipelines are placed and the functions are partitioned, the space is saved, and the operation of a tester is facilitated.
The steel frame structure adopts the welding of hollow steel, can guarantee the intensity of box on the one hand, and on the other hand has reduced the whole weight of box, convenient transportation.
The packaging box further comprises an external interface and a control cabinet, wherein the control cabinet is used for controlling the electrical equipment in the packaging box body, and the external interface is arranged on the packaging box body.
Furthermore, the external interface comprises an external interface base and an external interface plug-in, the external interface base is welded on the packaging box body, the external interface plug-in is connected to the external interface base through bolts, and pipe fittings with different specifications are distributed on the external interface plug-in.
Preferably, the external interface plug-in unit reserves the interface of the pipe fitting, and all requirements of the loop interface in the box body are met.
Furthermore, the cable plugging port comprises a cable plug flange and a cable plug base, the cable plug base is welded on the packaging box body, the cable plug flange is connected to the cable plug base through a bolt, and an electrical through hole is formed in the cable plug flange; the trachea plug-in connection port comprises a trachea plug-in flange and a trachea plug-in base, the trachea plug-in base is welded to the packaging box body, the trachea plug-in flange is connected to the trachea plug-in base through bolts, and a trachea through hole is formed in the trachea plug-in flange.
Preferably, enough interfaces are reserved on the cable plugging ports for connecting cables and the like; enough interfaces are reserved on the air pipe insertion ports for connection of air pipes and the like.
Further, the observation window is a polycarbonate plate, and the operation gloves are made of rubber.
Preferably, the top grade rubber can bear the negative pressure of 300 kPa.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the containing box has good air sealing performance, forms negative pressure inside, can be used for containing equipment, valves, instruments and pipelines of a He-3 gas loop, and prevents tritium generated by the reaction of He-3 and neutrons from being released into the environment.
2. The steel frame structure of the invention adopts hollow steel welding, on one hand, the strength of the box body can be ensured, on the other hand, the whole weight of the box body is reduced, and the transportation is convenient.
3. The cable plug-in base is welded on the packaging box body, the cable plug-in flange is connected to the cable plug-in base through a bolt, and an electric through hole is formed in the cable plug-in flange; enough interfaces are reserved on the cable plugging ports for connecting cables, certain expansibility is achieved, and meanwhile the cable plugging ports have the capacity of sealing the box body, so that the air tightness of the box body is guaranteed.
4. The packaging box body of the invention adopts the polycarbonate plate in a large area, thereby improving the operation visual angle of operators.
5. The packaging box body is provided with the maintenance window, so that equipment in the box can be maintained conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the general structure of a container box;
FIG. 2 is a schematic structural view of a packing box body;
FIG. 3 is a top view of the containment case;
FIG. 4 is a longitudinal cross-sectional view of the access panel;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a schematic view of a cable jack port.
Reference numbers and corresponding part names in the drawings:
1-packaging box body, 2-access window, 3-lighting device, 4-air inlet filter, 5-cable plug port, 6-air pipe plug port, 7-observation window, 8-control cabinet, 9-negative pressure fan, 10-external interface, 21-access window panel, 31-lampshade, 32-lighting lamp cover plate, 33-LED lamp panel, 34-inner angle screw, 35-access door flange, 36-sealing washer and 37-light-transmitting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
as shown in fig. 1-6, a containing box for He-3 gas loop comprises a packaging box body 1, wherein an observation window 7 is arranged on the side wall of the packaging box body 1, an operation glove is arranged on the observation window 7, an inspection window 2 is detachably arranged on the top of the packaging box body 1, and the joint of the inspection window 2 and the packaging box body 1 is sealed by a sealing gasket; the inspection window 2 is provided with an illuminating device 3, and the joint of the illuminating device 3 and the inspection window 2 is sealed; the packaging box body 1 is provided with an air inlet, an air inlet filter 4 is arranged at the air inlet, and a negative pressure fan 9 is arranged on the air inlet filter 4; the packaging box body 1 is provided with a cable plugging port 5 and a gas pipe plugging port 6, the cable plugging port 5 and the gas pipe plugging port 6 are respectively provided with a cable interface and a gas pipe interface, and the rest cable plugging port 5 and the gas pipe plugging port 6 are sealed by quick connector threads; the packaging box comprises a packaging box body 1 and is characterized by further comprising an external interface 10 and a control cabinet 8, wherein the control cabinet 8 is used for controlling electrical equipment in the packaging box body 1, and the external interface 10 is installed on the packaging box body 1.
In this embodiment, the access window 2 includes an access window panel 21, the access window panel 21 is connected to the top of the packaging box 1 through bolts, a joint between the access window panel 21 and the top of the packaging box 1 is sealed by a sealing gasket, and an access door flange 35 for installing the lighting device 3 is arranged on the access window panel 21;
in the present embodiment, the lighting device 3 includes a lampshade 31, a lamp cover 32, an LED lamp panel 33, an inner corner screw 34, a sealing gasket 36 and a transparent plate 37;
Two lighting devices 3 are arranged on the access window panel 21 in parallel, and each lighting device 3 comprises three LED lamp panels 33.
In this embodiment, the observation windows 7 are provided with 4 groups, the front side wall of the packaging box body 1 is full of 4 groups of observation windows 7, the observation windows 7 are made of polycarbonate plates, and the operation gloves are made of rubber.
In the present embodiment, two air inlets are provided and are disposed at the top of the packing box 1.
In this embodiment, the external interface 10 includes an external interface base welded to the packaging box 1 and an external interface plug connected to the external interface base by a bolt, and pipes of different specifications are distributed on the external interface plug.
In this embodiment, the cable plugging port 5 includes a cable plugging flange and a cable plugging base, the cable plugging base is welded to the packaging box 1, the cable plugging flange is connected to the cable plugging base through a bolt, and an electrical through hole is formed in the cable plugging flange; the trachea plug-in port 6 comprises a trachea plug-in flange and a trachea plug-in base, the trachea plug-in base is welded on the packaging box body 1, the trachea plug-in flange is connected to the trachea plug-in base through bolts, and a trachea through hole is formed in the trachea plug-in flange.
Example 2:
as shown in fig. 1 to 6, in this embodiment, based on embodiment 1, the packing box 1 includes a rectangular steel frame structure, a steel plate is coated on the outer side of the steel frame structure, the steel frame structure is formed by welding hollow steel, and a support for installing He-3 gas loop equipment is arranged in the steel frame structure.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A containing box for a He-3 gas loop comprises a packaging box body (1) and is characterized in that an observation window (7) is arranged on the side wall of the packaging box body (1), operation gloves are installed on the observation window (7), an overhaul window (2) is detachably arranged at the top of the packaging box body (1), and the joint of the overhaul window (2) and the packaging box body (1) is sealed by a sealing gasket; the maintenance window (2) is provided with an illuminating device (3), and the joint of the illuminating device (3) and the maintenance window (2) is sealed; an air inlet is formed in the packaging box body (1), an air inlet filter (4) is installed at the air inlet, and a negative pressure fan (9) is installed on the air inlet filter (4); the packaging box body (1) is provided with a cable plugging port (5) and an air pipe plugging port (6), and the cable plugging port (5) and the air pipe plugging port (6) are respectively provided with a cable interface and an air pipe interface.
2. A containment box for He-3 gas circuit according to claim 1, wherein said access window (2) comprises an access window panel (21), said access window panel (21) is connected to the top of the packaging box (1) by bolts, the connection between the access window panel (21) and the top of the packaging box (1) is sealed by a gasket, and said access window panel (21) is provided with an access door flange (35) for installing the lighting device (3).
3. A containment box for He-3 gas circuit according to claim 2, characterized in that said lighting means (3) comprise a lampshade (31), a lighting lamp cover plate (32), an LED lamp panel (33), inner angle screws (34), sealing gaskets (36) and light-transmitting plates (37);
light apron (32) are installed on access door flange (35) through interior angle screw (34), and LED lamp panel (33) are installed on light apron (32), light-passing board (37) are installed in LED lamp panel (33) below through access door flange (35), the upper end and the lower extreme of light-passing board (37) all are provided with seal ring (36), lamp shade (31) cover LED lamp panel (33) and detachable the installation on access window panel (21).
4. A containment box for He-3 gas circuit according to claim 3, characterized in that two lighting devices (3) are arranged in parallel on said access window panel (21), each lighting device (3) comprising three LED panels (33).
5. A containment box for He-3 gas circuit according to claim 1, characterized in that said observation windows (7) are provided with 4 groups, 4 groups of observation windows (7) being distributed over the front side wall of the packaging box (1).
6. A containment box for He-3 gas loop according to claim 1, characterized in that the packing box body (1) comprises a rectangular steel frame structure, the outer side of the steel frame structure is coated with steel plates, the steel frame structure is welded by hollow steel, and a bracket for installing He-3 gas loop equipment is arranged in the steel frame structure.
7. A containment box for He-3 gas circuit according to claim 1, further comprising an external interface (10) and a control cabinet (8), said control cabinet (8) being intended to control the electrical equipment inside the packaging box (1), said external interface (10) being mounted on the packaging box (1).
8. A containment box for He-3 gas circuit according to claim 7, characterised in that said external interface (10) comprises an external interface base welded to the packaging box (1) and an external interface insert connected to the external interface base by means of bolts, on which there are distributed tubes of different specifications.
9. A containment box for He-3 gas circuit according to claim 1, characterized in that said cable insertion port (5) comprises a cable insertion flange and a cable insertion base, said cable insertion base being welded to the packaging casing (1), the cable insertion flange being bolted to the cable insertion base, said cable insertion flange being perforated with an electrical through hole; the trachea plug-in port (6) comprises a trachea plug-in flange and a trachea plug-in base, the trachea plug-in base is welded to the packaging box body (1), the trachea plug-in flange is connected to the trachea plug-in base through a bolt, and a trachea through hole is formed in the trachea plug-in flange.
10. A containment box for He-3 gas circuit according to any one of claims 1 to 9, characterized in that said observation window (7) is a polycarbonate plate and said handling gloves are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110698806.2A CN113380435A (en) | 2021-06-23 | 2021-06-23 | Containing box for He-3 gas loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110698806.2A CN113380435A (en) | 2021-06-23 | 2021-06-23 | Containing box for He-3 gas loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113380435A true CN113380435A (en) | 2021-09-10 |
Family
ID=77578723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110698806.2A Pending CN113380435A (en) | 2021-06-23 | 2021-06-23 | Containing box for He-3 gas loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113380435A (en) |
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| GB9815421D0 (en) * | 1998-07-16 | 1998-09-16 | British Nuclear Fuels Plc | Fuel containment apparatus |
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| CN108242272A (en) * | 2016-12-23 | 2018-07-03 | 中核四0四有限公司 | A kind of screen protective device for the sampling of high activity liquid waste storage tank |
| CN208827863U (en) * | 2018-08-23 | 2019-05-07 | 新昌县明拓机械有限公司 | A kind of industrial chemicals transfer device with gas collection mechanism |
| CN110202616A (en) * | 2019-07-04 | 2019-09-06 | 成都德力斯实业有限公司 | Humid control seal box |
| CN110216719A (en) * | 2019-07-05 | 2019-09-10 | 中国建筑科学研究院有限公司 | A protector for biological experiments for biosafety laboratory |
| CN110491536A (en) * | 2019-08-30 | 2019-11-22 | 西南石油大学 | A kind of Tritium Protection system and method for -3 transient test of helium |
| CN110587666A (en) * | 2019-10-12 | 2019-12-20 | 广州达意隆包装机械股份有限公司 | Experimental device |
| CN213290320U (en) * | 2020-06-09 | 2021-05-28 | 中国辐射防护研究院 | Pneumatic sealing negative pressure glove box |
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2021
- 2021-06-23 CN CN202110698806.2A patent/CN113380435A/en active Pending
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Application publication date: 20210910 |