CN102446568A - Source enclosure - Google Patents
Source enclosure Download PDFInfo
- Publication number
- CN102446568A CN102446568A CN2010105017706A CN201010501770A CN102446568A CN 102446568 A CN102446568 A CN 102446568A CN 2010105017706 A CN2010105017706 A CN 2010105017706A CN 201010501770 A CN201010501770 A CN 201010501770A CN 102446568 A CN102446568 A CN 102446568A
- Authority
- CN
- China
- Prior art keywords
- involucrum
- radioactive source
- adapter
- source
- interior
- 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
Links
- 230000002285 radioactive effect Effects 0.000 claims abstract description 106
- 239000000463 material Substances 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000005253 cladding Methods 0.000 abstract 4
- 210000003660 reticulum Anatomy 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000001959 radiotherapy Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910001561 spheroidite Inorganic materials 0.000 description 1
Images
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
- G21F5/015—Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Particle Accelerators (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention relates to a source enclosure, which comprises an outer enclosure, a source enclosure cover and a source enclosure cover, wherein the outer enclosure comprises an outer enclosure body and an outer enclosure sealing cover; an inner envelope disposed within the outer envelope and comprising an inner envelope body and an inner envelope sealing cap; and a radioactive source adapter which is arranged in the inner cladding shell, the outer surface of the radioactive source adapter is matched with the inner surface of the inner cladding shell body, the radioactive source adapter can be separated from the inner cladding shell body, the radioactive source adapter is provided with a through hole for containing a radioactive source, one end of the through hole of the radioactive source adapter is connected with the bottom of the inner cladding shell body, and the other end of the through hole of the radioactive source adapter is connected with the. The source enclosure of the invention is not only suitable for sealing various radioactive sources, but also can shield rays in a non-radioactive direction to a certain extent, and saves external shielding materials.
Description
Technical field
The present invention relates to the radioactive source field, relate in particular to a kind of radioactive source involucrum.
Background technology
The source involucrum, a kind of container that is used for sealed radioactive source.Because the radioactive ray of radioactive source can cause radiation risk to certain space around it, therefore in the transportation of radioactive source, must be placed in the airtight container in using, and the sealing container must satisfy specific technical requirement; According to different use field and application targets, the specific activity of the radioactive source that different target doses require or loading of source amount are different; Different in addition request for utilizations also claim to active region area (radioactive source is as the sectional area on the exit direction).Therefore, in order to be suitable for multiple use and purpose, we will design, and multiple shape is different, volume sealed source involucrum not of uniform size.And the source involucrum is the authentication that must obtain International Atomic Energy Agency before the use of dispatching from the factory, and authentication period is longer, requires high.
In fact; A lot of sources involucrum just according to the difference or different its size dimensions that change of active region area of radioactive source loading of source amount, if therefore involucrum loading of source space, source is changed with designing requirement, and does not change source involucrum itself; Be that different radioactive sources just can be suitable for same source involucrum; Only need the authentication of single pass International Atomic Energy Agency to get final product, simplify procedures greatly, reduce certification cost.
Summary of the invention
The object of the present invention is to provide a provenance involucrum, can be suitable for the radioactive source of the multiple different activities of sealing district area.
In order to reach above-mentioned purpose, the present invention adopts following technical scheme: a provenance involucrum comprises
Outer envelope comprises outer envelope body and outer envelope gland bonnet;
Place the interior involucrum in the outer envelope, involucrum body and interior involucrum gland bonnet in comprising;
Interior involucrum set inside have that its outside surface cooperates with interior involucrum body internal surface, with the separable radioactive source adapter of interior involucrum body; Said radioactive source adapter has the through hole that is used to hold radioactive source; Said through hole one end of said radioactive source adapter connects the bottom of said interior involucrum body, involucrum gland bonnet in the other end connects.
Another object of the present invention is to provide a provenance involucrum, can be suitable for the radioactive source of the multiple different loading of source amounts of sealing.
In order to reach above-mentioned purpose, the present invention adopts following technical scheme: a provenance involucrum comprises:
Outer envelope comprises outer envelope body and outer envelope gland bonnet;
Place the interior involucrum in the outer envelope, involucrum body and interior involucrum gland bonnet in comprising;
Said source involucrum also comprise be close in that be provided with, that its outside surface cooperates with interior involucrum body internal surface, and the separable radioactive source adapter of interior involucrum body in the bottom of involucrum body; And be arranged at said radioactive source adapter and said in second adapter between the involucrum gland bonnet; Wherein, Said radioactive source adapter has the through hole that is used to hold radioactive source, and said through hole one end connects the bottom of said interior involucrum body, and the other end connects second adapter.
Preferably, the section shape of described second adapter is any in rectangle, T type, inverted T shape, triangle or the I shape.
Preferably, the through hole of described radioactive source adapter is single cylinder.
Preferably, the through hole of described radioactive source adapter comprises a plurality of cylinders that are parallel to each other.
Preferably, the through hole of described radioactive source adapter comprises a plurality of cylinders, and the axis of said cylinder converges at public focus.
Preferably, the cross section outer contour shape of described radioactive source adapter is circular, quincunx or polygon.
Preferably, the material of the described radioactive source adapter and second adapter is tungsten, stainless steel or other metal.
Beneficial effect of the present invention is following:
The present invention proposes a provenance involucrum; The volume size that radioactive source adapter is wherein confirmed its through hole according to the active region area or the loading of source amount of different radioactive sources; Can make the source involucrum be suitable for the sealing of the radioactive source of multiple different activities district's area or different loading of source amounts; Versatility is good, and certification cost can reduce greatly; Because the existence of the radioactive source adapter or second adapter also can shield the ray on the non-radioactive direction to a certain extent, save the exterior shield material in addition.
Description of drawings
Source of the present invention involucrum is provided by following embodiment and accompanying drawing.
Fig. 1 is the axial section synoptic diagram of source of the present invention involucrum one embodiment front view;
Fig. 2 is source of the present invention involucrum one embodiment schematic cross-section on the A-A direction in Fig. 1;
Fig. 3 is the axial section synoptic diagram of source of the present invention another embodiment front view of involucrum;
Fig. 4 is the synoptic diagram that the radioactive source adapter contains a plurality of parallel via holes;
Fig. 5 is the synoptic diagram that the radioactive source adapter contains a plurality of focusing through holes;
Fig. 6 is the another kind of schematic cross-section of source of the present invention involucrum.
Embodiment
Below will combine accompanying drawing that source of the present invention involucrum is done further to describe in detail.
For clear reaching the emphasis of present technique scheme is described, do not described whole characteristics of practical embodiments in the present embodiment, promptly omit and describe known function and structure.
For making the object of the invention, characteristic more obviously understandable, be further described below in conjunction with the accompanying drawing specific embodiments of the invention.What need explanation is, accompanying drawing all adopts the form of simplifying very much and all uses non-ratio accurately, only in order to convenient, the purpose of the aid illustration embodiment of the invention lucidly.
Fig. 1 is an axial section of source of the present invention involucrum one embodiment front view, and Fig. 2 is the sectional view of Fig. 1 on the A-A direction.Like Fig. 1, shown in Figure 2, a provenance involucrum comprises outer envelope, the outer envelope gland bonnet 11 that outer envelope comprises outer envelope body 10 and is tightly connected with it; Interior involucrum places outer envelope inner, the interior involucrum gland bonnet 21 that interior involucrum comprises interior involucrum body 20 and is tightly connected with it; And in being arranged on involucrum inner and with the close-fitting radioactive source adapter 30 of interior involucrum; Said radioactive source adapter 30 has a through hole that is used to hold radioactive source 40; Said through hole one end of said radioactive source adapter connects the bottom of said interior involucrum body 20, involucrum gland bonnet 21 in the other end connects.The pore size of said through hole requires to confirm according to different radioactive source, and is concrete, can confirm the aperture of through hole according to the active region area of radioactive source.
Because in the present embodiment, shape, size and the volume of outer envelope body 10, interior involucrum body 20 is invariable in design with after making, and International Atomic Energy Agency carries out authentication and certificatory to this.In actual use, the adjustment of radioactive source 40 active region areas just realizes through the radioactive source adapter 30 of design difformity, different pore sizes.
Owing to use radioactive source much to be spheroidite at present, be radioactive source φ 1cm*1cm, that be cylindrical shape like size.When sealed radioactive source 40, involucrum body 20 in earlier radioactive source adapter 30 being placed, the radioactive source 40 of packing into then, and seal through 21 pairs of radioactive sources of interior involucrum gland bonnet.The interior involucrum that radioactive source will be housed then places outer envelope body 10, and seals with involucrum in 11 pairs of the outer envelope gland bonnets.
As shown in Figure 3; In another embodiment of the present invention; In order to make the source involucrum can be suitable for the radioactive source of different loading of source amounts, different activities district area, in described, between involucrum gland bonnet 21 and the said radioactive source adapter 30 one second adapter 50 is set, the bottom of involucrum body 20 in an end of said radioactive source adapter 30 through holes connects; The other end connects second adapter 50, and behind loading of source, is sealed by second adapter 50.The height H of radioactive source adapter 30 can be designed more neatly, thereby satisfy the adjustment of radioactive source active region area D and radioactive source 40 quantity.Second adapter 50 is mainly used in said radioactive source adapter 30 is fixed in the interior involucrum; And play the effect of sealant; Radioactive source is sealed in the through hole of radioactive source adapter 30 and shields the ray on the radioactive source non-radioactive direction to a certain extent; The section shape of this second adapter 50 can be any in the shapes such as rectangle, T type, inverted T shape, triangle or I shape; Mainly be the adjusting of satisfying the height H of radioactive source adapter, all within protection scope of the present invention, the variation range of the height H of above radioactive source adapter 30 is [0 for the part of above shape, subtle change; H1], wherein H1 is the ultimate range of interior involucrum gland bonnet 21 to interior involucrum 20 bottoms; The variation range of radioactive source active region area D is [1, D1], and wherein D1 is the floorage of interior involucrum 20.In the present embodiment, second adapter is selected the cylindrical shape that cooperates with interior involucrum inside surface for use, and promptly its section is a rectangle.Adopt the source involucrum of present embodiment, can regulate loading of source amount and active region area simultaneously through designing different radioactive source adapters 30.The aperture of said through hole and length requires to confirm according to different radioactive sources, and is concrete, can confirm the aperture of through hole according to the active region area of radioactive source, and confirm the length of through hole according to the loading of source amount of radioactive source.
The through hole of radioactive source adapter 30 is right cylinders in the present embodiment, and is extremely shown in Figure 3 like Fig. 1.Certainly as required, the through hole of radioactive source adapter 30 also can be a single multi-faceted column etc.More preferably, can also be a plurality of cylinders that are parallel to each other, as shown in Figure 4, radioactive source 40 is installed in 7 right cylinder through holes that are parallel to each other, and by 50 sealings of second adapter; In addition, the through hole of radioactive source adapter 30 can also comprise a plurality of cylinders, and the axis of said cylinder converges at public focus, and is as shown in Figure 5, and radioactive source 40 is installed in 7 its axis and focuses in the right cylinder through hole of focus, and by 50 sealings of second adapter.
Because radioactive source adapter 30 is the devices with spatial volume; Therefore, under the prerequisite that satisfies volume size and area of section, as long as its exterior contour can cooperate with interior involucrum body 21; Its cross section outer contour shape can be diversified, like circular, quincunx or polygon.During involucrum, the inside surface of the outside surface of radioactive source adapter 30 and interior involucrum body 20 fits tightly in radioactive source adapter 30 places.In this example, radioactive source adapter 30 is circular, as shown in Figure 2.In other embodiment, the outer contour shape in the cross section of radioactive source adapter 30 also can adopt quincunx, as shown in Figure 6.
The effect of the radioactive source adapter 30 and second adapter 50 is to be suitable for the quantity of radioactive source 40 or the variation of active region area on the one hand; Also preferably need the material of certain shield effectiveness on the other hand; Can on the non-radioactive direction, form certain shield effectiveness, so its material is recommended as tungsten, stainless steel or other metals; In the present embodiment, both material selection tungstens.
Source of the present invention involucrum; Only need the inside and outside involucrum after design and the manufacturing completion is carried out authentication; Through designing the radioactive source adapter 30 of different volume size, sectional area, thus the effect that the source of realization involucrum seals the radioactive source of different field, different application targets.Promptly reached an authentication, the purpose of multiple use has solved the trouble that different radioactive source packoffs all will carry out authentication, has saved the resource of enterprise and certification authority greatly; And shielded the ray on the non-radioactive direction to a certain extent.
Source involucrum in the present embodiment is used for radiotherapy unit; Said radiotherapy unit also comprises treatment head, is connected passive support with the treatment head, and driving treats cephalomotor drive unit, be used to the personal supporting device that supports the patient and locate focus.Radiotherapy unit in the present embodiment such as need are changed the active region area or the loading of source amount of radioactive source, can design the source involucrum again, and authentication again can be saved certification cost and the time of radiotherapy unit provider to the radioactive source packoff.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. a provenance involucrum comprises:
Outer envelope comprises outer envelope body and outer envelope gland bonnet;
Place the interior involucrum in the outer envelope, involucrum body and interior involucrum gland bonnet in comprising;
It is characterized in that: interior involucrum set inside have that its outside surface cooperates with interior involucrum body internal surface, with the separable radioactive source adapter of interior involucrum body; Said radioactive source adapter has the through hole that is used to hold radioactive source; Said through hole one end of said radioactive source adapter connects the bottom of said interior involucrum body, involucrum gland bonnet in the other end connects.
2. a provenance involucrum comprises:
Outer envelope comprises outer envelope body and outer envelope gland bonnet;
Place the interior involucrum in the outer envelope, involucrum body and interior involucrum gland bonnet in comprising;
It is characterized in that; Also comprise in being close to that be provided with, that its outside surface cooperates with interior involucrum body internal surface, and the separable radioactive source adapter of interior involucrum body in the bottom of involucrum body; And be arranged at second adapter between said radioactive source adapter and the said interior involucrum gland bonnet, wherein, said radioactive source adapter has the through hole that is used to hold radioactive source; Said through hole one end connects the bottom of said interior involucrum body, and the other end connects second adapter.
3. source as claimed in claim 2 involucrum is characterized in that: the section shape of described second adapter is any in rectangle, T type, inverted T shape, triangle or the I shape.
4. source as claimed in claim 3 involucrum is characterized in that: the material of described second adapter is tungsten, stainless steel or other metal.
5. according to claim 1 or claim 2 source involucrum, it is characterized in that: the cross section outer contour shape of described radioactive source adapter is circular, quincunx or polygon.
6. source as claimed in claim 5 involucrum is characterized in that: the material of described radioactive source adapter is tungsten, stainless steel or other metal.
7. source as claimed in claim 6 involucrum is characterized in that: the through hole of described radioactive source adapter is single cylinder.
8. source as claimed in claim 6 involucrum is characterized in that: the through hole of described radioactive source adapter comprises a plurality of cylinders that are parallel to each other.
9. source as claimed in claim 6 involucrum is characterized in that: the through hole of described radioactive source adapter comprises a plurality of cylinders, and the axis of said cylinder converges at public focus.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105017706A CN102446568A (en) | 2010-10-09 | 2010-10-09 | Source enclosure |
| PCT/CN2011/078336 WO2012045252A1 (en) | 2010-10-09 | 2011-08-12 | Shell for source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105017706A CN102446568A (en) | 2010-10-09 | 2010-10-09 | Source enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102446568A true CN102446568A (en) | 2012-05-09 |
Family
ID=45927213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105017706A Pending CN102446568A (en) | 2010-10-09 | 2010-10-09 | Source enclosure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102446568A (en) |
| WO (1) | WO2012045252A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744910A (en) * | 2021-08-25 | 2021-12-03 | 成都中核高通同位素股份有限公司 | A sealed radioactive source device for industrial irradiation |
| CN116400401A (en) * | 2023-03-07 | 2023-07-07 | 国家核安保技术中心 | Thermal power scale source |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057867A1 (en) * | 1981-02-03 | 1982-08-18 | Nukem GmbH | Multi-layered container for the safe long-term storage of radioactive material |
| US4535250A (en) * | 1984-05-30 | 1985-08-13 | The United States Of America As Represented By The United States Department Of Energy | Container for radioactive materials |
| CN1366678A (en) * | 2000-04-25 | 2002-08-28 | 三菱重工业株式会社 | Radioactive material storage container, manufacturing device and manufacturing method of radioactive material storage container |
| US20060076520A1 (en) * | 2004-10-12 | 2006-04-13 | Drobnik Christopher D | Radiation shielding container that encloses a vial of one or more radioactive seeds |
| CN101233579A (en) * | 2005-07-27 | 2008-07-30 | 马林克罗特公司 | Radiation shielding assembly and method of use |
| CN201397690Y (en) * | 2009-05-15 | 2010-02-03 | 北京树诚科技发展有限公司 | Radioactive source jacket |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6280597A (en) * | 1985-10-03 | 1987-04-14 | 三菱重工業株式会社 | Transport vessel for radioactive substance |
| EP1159744B1 (en) * | 1999-03-02 | 2003-08-06 | Mallinckrodt Inc. | Holder for radioactive substances |
-
2010
- 2010-10-09 CN CN2010105017706A patent/CN102446568A/en active Pending
-
2011
- 2011-08-12 WO PCT/CN2011/078336 patent/WO2012045252A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057867A1 (en) * | 1981-02-03 | 1982-08-18 | Nukem GmbH | Multi-layered container for the safe long-term storage of radioactive material |
| US4535250A (en) * | 1984-05-30 | 1985-08-13 | The United States Of America As Represented By The United States Department Of Energy | Container for radioactive materials |
| CN1366678A (en) * | 2000-04-25 | 2002-08-28 | 三菱重工业株式会社 | Radioactive material storage container, manufacturing device and manufacturing method of radioactive material storage container |
| US20060076520A1 (en) * | 2004-10-12 | 2006-04-13 | Drobnik Christopher D | Radiation shielding container that encloses a vial of one or more radioactive seeds |
| CN101233579A (en) * | 2005-07-27 | 2008-07-30 | 马林克罗特公司 | Radiation shielding assembly and method of use |
| CN201397690Y (en) * | 2009-05-15 | 2010-02-03 | 北京树诚科技发展有限公司 | Radioactive source jacket |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744910A (en) * | 2021-08-25 | 2021-12-03 | 成都中核高通同位素股份有限公司 | A sealed radioactive source device for industrial irradiation |
| CN116400401A (en) * | 2023-03-07 | 2023-07-07 | 国家核安保技术中心 | Thermal power scale source |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012045252A1 (en) | 2012-04-12 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120509 |