CN203659450U - Cobalt adjustment rod and cobalt rod bundle assembly for production of medical high specific activity cobalt source - Google Patents
Cobalt adjustment rod and cobalt rod bundle assembly for production of medical high specific activity cobalt source Download PDFInfo
- Publication number
- CN203659450U CN203659450U CN201320760901.1U CN201320760901U CN203659450U CN 203659450 U CN203659450 U CN 203659450U CN 201320760901 U CN201320760901 U CN 201320760901U CN 203659450 U CN203659450 U CN 203659450U
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- CN
- China
- Prior art keywords
- cobalt
- production
- specific activity
- high specific
- regulating rod
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- 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 - Lifetime
Links
- 229910017052 cobalt Inorganic materials 0.000 title claims abstract description 83
- 239000010941 cobalt Substances 0.000 title claims abstract description 83
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 230000000694 effects Effects 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005253 cladding Methods 0.000 claims abstract description 18
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 239000008188 pellet Substances 0.000 claims abstract description 12
- 238000007747 plating Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 32
- 150000001868 cobalt Chemical class 0.000 claims description 7
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims 1
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 abstract description 3
- 206010028980 Neoplasm Diseases 0.000 abstract description 3
- 230000004913 activation Effects 0.000 abstract description 3
- 238000001959 radiotherapy Methods 0.000 abstract description 3
- 238000005025 nuclear technology Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Images
Abstract
The utility model belongs to the technical field of the nuclear technology application, and in particular relates to a cobalt adjustment rod and cobalt rod bundle assembly for production of a medical high specific activity cobalt source. According to the cobalt adjustment rod for the production of the medical high specific activity cobalt source, the cobalt adjustment rod comprises a cladding tube, an upper end plug and a lower end plug; two ends of the cladding tube in a cylindrical structure are sealed by welding through the upper and lower end plugs; and a nickel plating column-shape cobalt pellet is packaged inside the cladding tube. The utility model provides the cobalt adjustment rod and cobalt rod bundle assembly for the production of the medical high specific activity cobalt source; the in-pile irradiation activation is used to generate the cobalt-60 radiation source which is used in the medical field such as the gamma operation knife and the tumor radiation therapy.
Description
Technical field
The invention belongs to Application of Nuclear Technology technical field, be specifically related to a kind of cobalt regulating rod for the production of medical high specific activity cobalt source and cobalt cluster assembly.
Background technology
Cobalt-60th, a kind of strong radiation source, is widely used in industry, agricultural and medical domain, as all many-sides such as industrial flaw detection, food fresh keeping, γ scalpels.Along with national medical industry development, the demand in medical cobalt source further increases.The Main Differences in medical and industrial cobalt source is that cobalt is strong different in a steady stream, and there is larger difference in the version in medical cobalt source and industrial cobalt source.The heavy water stack cobalt regulating rod of producing medical cobalt source should mainly possess following functional requirement: reactive control requirement; Source strength requirement after irradiation; Thermal technology's security requirement; Structural intergrity requirement; The requirement of disintegrating after irradiation.
Summary of the invention
The object of the present invention is to provide a kind of cobalt regulating rod for the production of medical high specific activity cobalt source and cobalt cluster assembly, can be by generating cobalt-60 radioactive source after heap internal irradiation activation, meet the demand of the medical field such as radiation therapy of γ scalpel, tumour.
Technical scheme of the present invention is as follows: a kind of cobalt regulating rod for the production of medical high specific activity cobalt source, this cobalt regulating rod comprises cladding tubes, upper end plug and lower end plug, wherein, welded seal is filled in by upper end plug and lower end in the cladding tubes two ends of tubular construction, and is packaged with nickel plating column cobalt pellet in cladding tubes inside.
The material of described cladding tubes, upper end plug and lower end plug is zircaloy.
Described nickel plating column cobalt pellet be diameter at 1～5mm, height is at the cylindrical structural of 1～30mm.
The weight of the nickel plating column cobalt pellet encapsulating in described cladding tubes is between 25～40g.
A kind of cobalt regulating rod tread assembly for the production of medical high specific activity cobalt source, this cobalt regulating rod tread assembly comprises any one cobalt regulating rod that several are above-mentioned, this cobalt regulating rod tread assembly also comprises upper head plate, pipe core and bottom plate, wherein, the center of upper head plate and bottom plate is fixed by pipe core, form scaffold, and be circumferentially distributed with some cobalt regulating rods along center line in scaffold.
Described upper head plate and bottom plate are disc structure, and jointly form cylindrical bearing framework with pipe core.
The material of described upper head plate, pipe core and bottom plate is zircaloy.
Remarkable result of the present invention is: a kind of cobalt regulating rod for the production of medical high specific activity cobalt source of the present invention and cobalt cluster assembly, can be by generating cobalt-60 radioactive source after heap internal irradiation activation, for medical fields such as the radiation therapys of γ scalpel, tumour.
Brief description of the drawings
Fig. 1 is a kind of cobalt regulating rod tread assembly structural representation for the production of medical high specific activity cobalt source of the present invention;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is a kind of cobalt regulating rod structural representation for the production of medical high specific activity cobalt source of the present invention;
Fig. 4～Fig. 7 is the A-A cut-open view of Fig. 3;
In figure: 1, upper head plate; 2, cobalt regulating rod; 3, pipe core; 4, bottom plate; 5, upper end plug; 6, nickel plating column cobalt pellet; 7, involucrum; 8, lower end plug.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Figures 1 to 3, a kind of cobalt regulating rod for the production of medical high specific activity cobalt source and cobalt cluster assembly, this cobalt regulating rod tread assembly comprises upper head plate 1, cobalt regulating rod 2, pipe core 3 and bottom plate 4, wherein, the upper head plate 1 of disc structure and the center of bottom plate 4 are fixing by pipe core 3, form cylindrical bearing framework, and the material of upper head plate 1, pipe core 3 and bottom plate 4 is zircaloy; In the cylindrical frame being formed by upper head plate 1, bottom plate 4 and pipe core 3, be circumferentially distributed with some cobalt regulating rods 2 along center line, wherein, cobalt regulating rod 2 comprises cladding tubes 7, upper end plug 5 and the lower end plug 8 be made up of zircaloy, wherein, upper end plug 5 and lower end plug 8 welded seals are passed through in cladding tubes 7 two ends of cylinder barrel shaped, and are packaged with nickel plating column cobalt pellet 6 in cladding tubes 7 inside.Nickel plating column cobalt pellet 6 is of a size of diameter 1～5mm, is highly the cylindrical structural of 1～30mm, and the weight of the nickel plating column cobalt pellet 6 encapsulating in cladding tubes 7 is between 25～40g.As shown in Fig. 4～7, the nickel plating column cobalt pellet 6 of different-diameter is placed in cladding tubes 7 side by side.
Claims (7)
1. the cobalt regulating rod for the production of medical high specific activity cobalt source, it is characterized in that: this cobalt regulating rod comprises cladding tubes (7), upper end plug (5) and lower end plug (8), wherein, upper end plug (5) and lower end plug (8) welded seal are passed through in cladding tubes (7) two ends of tubular construction, and are packaged with the nickel plating column cobalt pellet (6) of graininess in cladding tubes (7) inside.
2. a kind of cobalt regulating rod for the production of medical high specific activity cobalt source according to claim 1, is characterized in that: the material of described cladding tubes (7), upper end plug (5) and lower end plug (8) is zircaloy.
3. require a kind of cobalt regulating rod for the production of medical high specific activity cobalt source described in 1 according to profit, it is characterized in that: described nickel plating column cobalt pellet (6) is diameter 1～5mm, is highly the cylindrical structural of 1～30mm.
4. a kind of cobalt regulating rod for the production of medical high specific activity cobalt source according to claim 1, is characterized in that: in described cladding tubes (7), the weight of the nickel plating column cobalt pellet (6) of encapsulation is between 25～40g.
5. the cobalt regulating rod tread assembly for the production of medical high specific activity cobalt source, it is characterized in that: this cobalt regulating rod tread assembly comprises several any one cobalt regulating rods (2) as described in claim 1～4, this cobalt regulating rod tread assembly also comprises upper head plate (1), pipe core (3) and bottom plate (4), wherein, the center of upper head plate (1) and bottom plate (4) is fixing by pipe core (3), form scaffold, and be circumferentially distributed with some cobalt regulating rods (2) along center line in scaffold.
6. a kind of cobalt regulating rod tread assembly for the production of medical high specific activity cobalt source according to claim 5, is characterized in that: described upper head plate (1) and bottom plate (4) are disc structure, and jointly form cylindrical bearing framework with pipe core (3).
7. a kind of cobalt regulating rod tread assembly for the production of medical high specific activity cobalt source according to claim 5, is characterized in that: the material of described upper head plate (1), pipe core (3) and bottom plate (4) is zircaloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760901.1U CN203659450U (en) | 2013-11-27 | 2013-11-27 | Cobalt adjustment rod and cobalt rod bundle assembly for production of medical high specific activity cobalt source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760901.1U CN203659450U (en) | 2013-11-27 | 2013-11-27 | Cobalt adjustment rod and cobalt rod bundle assembly for production of medical high specific activity cobalt source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203659450U true CN203659450U (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760901.1U Expired - Lifetime CN203659450U (en) | 2013-11-27 | 2013-11-27 | Cobalt adjustment rod and cobalt rod bundle assembly for production of medical high specific activity cobalt source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203659450U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681116A (en) * | 2013-11-27 | 2015-06-03 | 上海核工程研究设计院 | Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity |
| CN104900288A (en) * | 2015-04-08 | 2015-09-09 | 中科华核电技术研究院有限公司 | Novel choke plug assembly for using pressurized water reactor to prepare radioactive source, and radioactive rod |
| WO2022218436A1 (en) * | 2021-04-16 | 2022-10-20 | 上海核工程研究设计院有限公司 | Target and target group used for heavy water reactor production of c-14 isotopes |
-
2013
- 2013-11-27 CN CN201320760901.1U patent/CN203659450U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681116A (en) * | 2013-11-27 | 2015-06-03 | 上海核工程研究设计院 | Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity |
| CN104900288A (en) * | 2015-04-08 | 2015-09-09 | 中科华核电技术研究院有限公司 | Novel choke plug assembly for using pressurized water reactor to prepare radioactive source, and radioactive rod |
| WO2022218436A1 (en) * | 2021-04-16 | 2022-10-20 | 上海核工程研究设计院有限公司 | Target and target group used for heavy water reactor production of c-14 isotopes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No.29, Hongcao Road, Xuhui District, Shanghai 200233 Patentee before: Shanghai Nuclear Engineering Research & Design Institute |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |