CN202142308U - Long-life spent radioactive source servicing multilayer package long-term storage container - Google Patents
Long-life spent radioactive source servicing multilayer package long-term storage container Download PDFInfo
- Publication number
- CN202142308U CN202142308U CN201120224995U CN201120224995U CN202142308U CN 202142308 U CN202142308 U CN 202142308U CN 201120224995 U CN201120224995 U CN 201120224995U CN 201120224995 U CN201120224995 U CN 201120224995U CN 202142308 U CN202142308 U CN 202142308U
- Authority
- CN
- China
- Prior art keywords
- long
- term storage
- long term
- container
- radioactive source
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a long-life spent radioactive source servicing multilayer package long-term storage container, which comprises a container main body, a storage cylinder arranged at the central section of the container main body and a shielding layer arranged between the container main body and the storage cylinder. A shielding pad, a shielding ring and a shielding plug are arranged inside the storage cylinder from bottom to top and are matched with the storage cylinder. The upper portion and the lower portion of the storage cylinder are respectively equipped with a shielding cover. The multilayer package long-term storage container is designed in consideration of the shapes and the dimensions of a series of package tubes, domestic administration laws, regulations, standards and storage status of spent radioactive sources and other factors, thus is strong in adaptability. The long-life spent radioactive source servicing multilayer package long-term storage container can be widely used for long-life spent radioactive sources contained, stored and packaged in a series of package tubes. Due to the adoption of the long-life spent radioactive source servicing multilayer package long-term storage container, the long-term storage quality of a long-life spent radioactive source after being packaged is ensured. Meanwhile, the leakage risk of a packaged long-life spent radioactive source during the long-term storage period is also lowered.
Description
Technical field
The utility model belongs to the radioactive waste processing technology field, is specially useless radioactive source of a kind of long-life and reorganizes and outfit multi-layer packaging long term storage container.
Background technology
Radioactive source is widely used in fields such as industrial or agricultural, medical treatment, teaching and scientific research, brings many-sided interests to human society.Yet the application of radioactive source certainly leads to useless radioactive source, is the important component part of radioactive source safety management to its management.In the useless radioactive source half life period of nucleic greater than 30a (comprising 137Cs) be called useless radioactive source of long-life, promptly
241Am-Be neutron source and containing
226Ra,
239Pu and
241The useless radioactive source of Am etc.Because life-span of these useless radioactive sources is long, activity is higher, in case out of control, be prone to cause environmental pollution and casualties, cause negative effect to society, the useless radioactive source of long-life that China has accumulated surplus in the of ten thousand piece.Wherein, under the subsidy and expert's help of IAEA, accomplished reorganizing and outfit of useless radium source the end of the nineties in last century; All the other long-lives, useless radioactive source was not reorganized and outfit yet, was temporary in the user site, or was stored in storage facilities.
And activity contained αHe Su long owing to the life-span in view of it has surpassed the activity limit value of near surface disposal; And the present disposal facility except that the near surface disposal field not also of China; Therefore; The exploitation long-life, useless radioactive source was reorganized and outfit technology, and making useless radioactive source after reorganizing and outfit satisfy that long term storage requires is pressing for of useless radioactive source safety management.In order to reduce the long-term safety of storing volume and useless radioactive source lay up period of long-life, the multi-layer packaging long term storage container that necessary exploitation one cover is used to seal the packaging container of useless radioactive source and is used to store useless radioactive source.
The utility model content
To the defective of useless radioactive source hold-up vessel existence of existing long-life and the needs of practical application; The purpose of the utility model is to provide useless radioactive source of a kind of long-life to reorganize and outfit multi-layer packaging long term storage container; Satisfy the safety requirements of useless radioactive source long term storage of present domestic long-life, realize the minimized dry type storage well storage of useless radioactive source storage volume scheme.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is following:
A kind of long-life, useless radioactive source was reorganized and outfit multi-layer packaging long term storage container; Comprise container body; Be positioned at the storage tube at container body middle part; Screen layer between container body and storage tube, storage tube inside are provided with supporting with it shielding pad, shading ring and shield plug from bottom to top, and storage tube top and bottom are respectively equipped with screening cover.
Further, aforesaid multi-layer packaging long term storage container, the wall thickness of said container body is 1.2mm or 1.5mm, is of a size of Φ 560mm * H850mm.
Further, aforesaid multi-layer packaging long term storage container, said screen layer is filled or is swathed between container body and storage tube.
Further, aforesaid multi-layer packaging long term storage container, the height of said storage tube 3 are that 710mm ± 0.1mm, diameter are that 167mm ± 0.1mm, wall thickness are 5mm ± 0.1mm.
Further, aforesaid multi-layer packaging long term storage container, the top standard-sized sheet mouth of said storage tube, there is the flange threaded hole at the edge, covers through being threaded with upper flange.
Further, described multi-layer packaging long term storage container, the external diameter of said shielding pad, shading ring and shield plug is 157mm ± 0.5mm, the shielding pad is 200mm ± 0.5mm with the height of shield plug.
Further, aforesaid multi-layer packaging long term storage container, the height of its said shading ring is 250mm ± 0.5mm, and a through hole is opened at the center, and through-hole diameter is 76mm ± 0.1mm.
Further, described multi-layer packaging long term storage container, the height of said shading ring is 153mm ± 0.5mm, and the center symmetry is opened two through holes, and through-hole diameter is 64mm ± 0.1mm.
Further again, aforesaid multi-layer packaging long term storage container, the central authorities of said screening cover are welded with the draw-in groove that is used for fixing storage tube (3).
Further, aforesaid multi-layer packaging long term storage container, the diameter of said screening cover is 557mm ± 0.1mm, thickness is 50mm ± 0.1mm.
The effect of the utility model is following:
(1) one or two through hole is opened at the shading ring center in the storage tube, and a packaging container or two packaging containers can be placed in the centre.Can place supporting with it high density polyethylene shielding pad, shading ring, shield plug in the storage tube from bottom to top; Storage tube top embeds the high density polyethylene screening cover.Multi-layer packaging hold-up vessel design splendid attire 3.7 * 10
11Bq
241Useless radioactive source of the useless neutron source of Am-Be and other long-lives, vessel surface dose rate≤2mSv/h, like this can splendid attire activity less than 3.7 * 10
10Bq
241The useless neutron source of Am-Be realizes that the volume of the useless radioactive source of storage minimizes more than many pieces, is convenient to store and guarantee long term storage safety; Its standardized perforate and screw thread encapsulating structure can be accomplished reorganizing and outfit of useless radioactive source of long-life faster, particularly reorganize and outfit in the process at useless radioactive source of true long-life, can reduce the time of hot operation, reduce operating personnel's radioactive dose.
(2) multi-layer packaging hold-up vessel main body and internal storage tube all adopt stainless steel, the long term storage quality after can guaranteeing to encapsulate, the disclosure risk of the useless radioactive source of long-life that has encapsulated during the reduction long term storage.
Description of drawings
Fig. 1 reorganizes and outfit the structural representation of multi-layer packaging long term storage container for useless radioactive source of a kind of long-life among the embodiment 1;
Fig. 2 reorganizes and outfit the structural representation of multi-layer packaging long term storage container for useless radioactive source of a kind of long-life among the embodiment 2.
Embodiment
Below in conjunction with concrete embodiment and Figure of description the utility model is further described.
Fig. 1 shows the structural representation that useless radioactive source of a kind of long-life in the present embodiment is reorganized and outfit multi-layer packaging long term storage container; By finding out among the figure; This container comprises container body 1, is positioned at the storage tube 3 at container body 1 middle part, the screen layer 2 between container body 1 and storage tube 3; Storage tube 3 inside are provided with supporting with it shielding pad 4, shading ring 5 and shield plug 6 from bottom to top, and storage tube 3 tops and bottom are respectively equipped with screening cover 7.
Wherein, container body 1 is a standard 200L stainless steel cask, and wall thickness is 1.2mm or 1.5mm, is of a size of Φ 560mm * H850mm.Screen layer 2 is high density polyethylene particle and density polyethylene film with high, fills or swathes between container body 1 and storage tube 3, and high density polyethylene particle and density polyethylene film with high density are greater than 0.95g/cm
3, necessary fixedly compacting between the high density polyethylene particle, density polyethylene film with high must swathe closely.The height of storage tube 3 be 710mm ± 0.1mm, diameter for (167mm ± 0.1mm), wall thickness 5mm ± 0.1mm, top standard-sized sheet mouth, edge have the flange threaded hole, with the upper flange lid through being threaded.Shielding pad 4, shading ring 5, shield plug 6 in the storage tube 3 are high-density polyethylene material, and external diameter is 157mm ± 0.5mm, and the height of shielding pad and shield plug is 200mm ± 0.5mm.Screening cover 7 is the tygon screening cover, its diameter 557mm ± 0.1mm, and (50mm ± 0.1mm), central authorities are welded with draw-in groove to thickness, are used for fixing to store 3.
The height of the shading ring 5 in the present embodiment in the storage tube 3 is 250mm ± 0.5mm, and a through hole is opened at the center, and the diameter 76mm ± 0.1mm of through hole can place a packaging container 8 in the middle of the storage tube 3.
Fig. 2 shows the structural representation that useless radioactive source of a kind of long-life in the present embodiment is reorganized and outfit multi-layer packaging long term storage container; By finding out among the figure; The structure of the hold-up vessel among the structure of the hold-up vessel in the present embodiment and the embodiment 1 is basic identical, and difference is that the height of the shading ring 5 in the storage tube 3 in this enforcement is 153mm ± 0.5mm, and the center symmetry is opened two through holes; Through-hole diameter is 64mm ± 0.1mm, can place two packaging containers 8 in the middle of the storage tube 3.
Describe in the face of the step of using the hold-up vessel among the utility model embodiment 1 or the embodiment 2 down:
(1) confirms the container that to use: confirm that selecting the container among the embodiment 1 for use still is the container among the embodiment 2;
(2) open container, scrutiny bung, staving;
(3) container body lid and high density polyethylene plate (screening cover) are taken away;
(4) flange on top is taken away, the pipe cap of storage tube is exposed;
(5) bolt that the assembling of tube and cover is connected is unscrewed and is taken away (storage tube has 8 bolts);
(6) place high density polyethylene shielding pad in the bottom of storage tube inner tubular container;
(7) will be with positioning in the whole storage tube that is positioned over the long-life hold-up vessel of the package tube of shading ring
(8) put into top tygon shield plug;
(9) after flange plate contacts well with the surface of flange, all bolts are put into screw, use spanner that all bolts are tightened as far as possible,, change bolt if the screw thread of damage is arranged;
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technology thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. a useless radioactive source of long-life is reorganized and outfit multi-layer packaging long term storage container; It is characterized in that: comprise container body (1); Be positioned at the storage tube (3) at container body (1) middle part; Be positioned at the screen layer (2) between container body (1) and the storage tube (3), inner supporting with it shielding pad (4), the shading ring (5) and shield plug (6) of being provided with from bottom to top of storage tube (3), storage tube (3) top and bottom are respectively equipped with screening cover (7).
2. multi-layer packaging long term storage container as claimed in claim 1 is characterized in that: the volume of said container body (1) is 200L, and wall thickness is 1.2mm or 1.5mm, is of a size of Φ 560mm * H850mm.
3. multi-layer packaging long term storage container as claimed in claim 1 is characterized in that: said screen layer (2) is filled or is swathed between container body (1) and storage tube (3).
4. multi-layer packaging long term storage container as claimed in claim 1 is characterized in that: the height of said storage tube (3) is that 710mm ± 0.1mm, diameter are that 167mm ± 0.1mm, wall thickness are 5mm ± 0.1mm.
5. like claim 1 or 4 described multi-layer packaging long term storage containers, it is characterized in that: the top standard-sized sheet mouth of said storage tube (3), there is the flange threaded hole at the edge, covers through being threaded with upper flange.
6. multi-layer packaging long term storage container as claimed in claim 1 is characterized in that: said shielding pad (4), shading ring (5) are 157mm ± 0.5mm with the external diameter of shield plug (6), and shielding pad (4) is 200mm ± 0.5mm with the height of shield plug (6).
7. like claim 1 or 6 described multi-layer packaging long term storage containers, it is characterized in that: the height of said shading ring (5) is 250mm ± 0.5mm, and it is 76mm ± 0.1mm that bore dia is opened at the center.
8. like claim 1 or 6 described multi-layer packaging long term storage containers, it is characterized in that: the height of said shading ring (5) is 153mm ± 0.5mm, and middle symmetry is opened two through holes, and through-hole diameter is 64mm ± 0.1mm.
9. multi-layer packaging long term storage container as claimed in claim 1 is characterized in that: the central authorities of said screening cover (7) are welded with the draw-in groove that is used for fixing storage tube (3).
10. like claim 1 or 9 described multi-layer packaging long term storage containers, it is characterized in that: the diameter of said screening cover (7) is 557mm ± 0.1mm, and thickness is 50mm ± 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224995U CN202142308U (en) | 2011-06-29 | 2011-06-29 | Long-life spent radioactive source servicing multilayer package long-term storage container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224995U CN202142308U (en) | 2011-06-29 | 2011-06-29 | Long-life spent radioactive source servicing multilayer package long-term storage container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202142308U true CN202142308U (en) | 2012-02-08 |
Family
ID=45553358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120224995U Expired - Fee Related CN202142308U (en) | 2011-06-29 | 2011-06-29 | Long-life spent radioactive source servicing multilayer package long-term storage container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202142308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517662A (en) * | 2013-09-26 | 2015-04-15 | 中国辐射防护研究院 | Radioactive source packaging and sealing devices and packaging and sealing methods |
| CN105551557A (en) * | 2013-07-02 | 2016-05-04 | 中科华核电技术研究院有限公司 | Middle-low-radioactivity nuclear waste treatment device |
-
2011
- 2011-06-29 CN CN201120224995U patent/CN202142308U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551557A (en) * | 2013-07-02 | 2016-05-04 | 中科华核电技术研究院有限公司 | Middle-low-radioactivity nuclear waste treatment device |
| CN104517662A (en) * | 2013-09-26 | 2015-04-15 | 中国辐射防护研究院 | Radioactive source packaging and sealing devices and packaging and sealing methods |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109300562B (en) | Inverted tooling of radioactive source and application method of inverted tooling | |
| CA1114526A (en) | Transport and storage receptacle for radioactive waste | |
| CN104167232B (en) | Dry-type spent fuel storage device | |
| DE3374358D1 (en) | Containment and densification of particulate material | |
| CN210667827U (en) | Sample sampling device for high radioactive dose | |
| CN202142308U (en) | Long-life spent radioactive source servicing multilayer package long-term storage container | |
| CN206497735U (en) | High radioactivity solid waste hold-up vessel after one kind irradiation | |
| CN104282351A (en) | Special dry storage container for spent nuclear fuel | |
| CN206116028U (en) | Spentnuclear fuel dry -type shielding container | |
| CN102982857B (en) | High-integrity polyethylene container temporary storage warehouse | |
| CN101996694B (en) | Barrel for radioactive substance container | |
| CN203673837U (en) | Radwaste solidified body containing container | |
| CN112820436A (en) | Storage sealing device and transportation maintenance method | |
| CN2758939Y (en) | Container for storing and transporting nuclear waste | |
| CN219497350U (en) | Manual nuclide split charging tank | |
| CN209591551U (en) | A kind of spent fuel storage basket | |
| CN214752976U (en) | Transfer container in spent fuel plant | |
| CN203026184U (en) | Alpha-waste packaging container | |
| CN202142309U (en) | Threaded packaging pipe for reconditioning waste radioactive source with long service life | |
| CN220584935U (en) | Storage device suitable for nuclear power station radioactive control rod guide cylinder | |
| EP2821999A1 (en) | Containers for radioactive waste | |
| CN206259191U (en) | A kind of high-activity waste container | |
| CN215118337U (en) | Low-medium level radioactive waste 400L metal barrel container transportation shielding container | |
| CN203673838U (en) | Radioactivity waste material storage drum special for nuclear industry | |
| CN212724747U (en) | Integrated shielding container for transporting and storing out-of-pile nuclear measurement intermediate range detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20200629 |