CN104681116A - Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity - Google Patents
Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity Download PDFInfo
- Publication number
- CN104681116A CN104681116A CN201310625034.5A CN201310625034A CN104681116A CN 104681116 A CN104681116 A CN 104681116A CN 201310625034 A CN201310625034 A CN 201310625034A CN 104681116 A CN104681116 A CN 104681116A
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- Prior art keywords
- cobalt
- regulating rod
- specific activity
- high specific
- end plug
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
- G21G4/00—Radioactive sources
- G21G4/04—Radioactive sources other than neutron sources
- G21G4/06—Radioactive sources other than neutron sources characterised by constructional features
- G21G4/08—Radioactive sources other than neutron sources characterised by constructional features specially adapted for medical application
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention belongs to the technical field of nuclear technology application and particularly relates to a cobalt regulating rod and a cobalt rod cluster component used for producing a medical cobalt source with high specific activity. The cobalt regulating rod used for producing the medical cobalt source with high specific activity comprises a cladding pipe, an upper end plug and a lower end plug, wherein two ends of the cylindrical cladding pipe are welded and sealed through the upper end plug and the lower end plug, and a columnar nickel plated cobalt pellet is packaged in the cladding pipe. The cobalt regulating rod and the cobalt rod cluster component used for producing the medical cobalt source with high specific activity are capable of producing a cobalt-60 radioactive source through in-pile irradiation and activation, and are used in the medical fields, such as gamma scalpel and tumor radiotherapy.
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-60 is a kind of strong radiation sources, 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 healthcare career development, the demand in medical cobalt source increases further.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 producing medical cobalt source should mainly possess following functional requirement: reactive control overflow; Source strength requirement after irradiation; Thermal technology's security requirement; Structural intergrity requirement; To disintegrate after irradiation requirement.
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, after can being activated by in-pile irradiation, generate cobalt-60 radioactive source, 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, the cladding tubes two ends of tubular construction by upper end plug and lower end plug welded seal, and are packaged with nickel plating column cobalt pellet at cladding inner.
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 encapsulated 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 several any one above-mentioned cobalt regulating rods, 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, formed scaffold, and in scaffold centrally line circumference be distributed with some cobalt regulating rods.
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, cobalt-60 radioactive source is generated, for the medical field such as radiation therapy of γ scalpel, tumour after can being activated by in-pile irradiation.
Accompanying drawing explanation
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 fixed 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 be made up of upper head plate 1, bottom plate 4 and pipe core 3, centrally line circumference is distributed with some cobalt regulating rods 2, 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, by upper end plug 5 and lower end plug 8 welded seal, and there is nickel plating column cobalt pellet 6 at cladding tubes 7 two ends of cylinder barrel shaped at cladding tubes 7 enclosed 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 encapsulated in cladding tubes 7 is between 25 ~ 40g.As also shown in e.g. figs. 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, by upper end plug (5) and lower end plug (8) welded seal, and there is the nickel plating column cobalt pellet (6) of graininess at cladding tubes (7) two ends of tubular construction at cladding tubes (7) enclosed 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 Claims 1 to 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 fixed by pipe core (3), formed scaffold, and in scaffold centrally line circumference be distributed with some cobalt regulating rods (2).
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 forms 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 |
|---|---|---|---|
| CN201310625034.5A CN104681116A (en) | 2013-11-27 | 2013-11-27 | Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625034.5A CN104681116A (en) | 2013-11-27 | 2013-11-27 | Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104681116A true CN104681116A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310625034.5A Pending CN104681116A (en) | 2013-11-27 | 2013-11-27 | Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104681116A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538423A (en) * | 2017-12-20 | 2018-09-14 | 南京喜悦科技股份有限公司 | A kind of irradiation devices using Co 60 radiated by gamma-ray |
| CN111710457A (en) * | 2020-06-29 | 2020-09-25 | 北京三强核力辐射工程技术有限公司 | Cobalt-60 radioactive source for whole-body gamma knife radiotherapy and preparation method thereof |
| 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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| US20040164012A1 (en) * | 2003-02-24 | 2004-08-26 | Dunkley John Graham | Chromatography column |
| CN101252025A (en) * | 2008-03-13 | 2008-08-27 | 上海核工程研究设计院 | Heavy water stack cobalt regulating rod component |
| JP2011508885A (en) * | 2007-12-28 | 2011-03-17 | グレゴリー ピーファー， | High energy proton or neutron source |
| CN102735312A (en) * | 2012-06-26 | 2012-10-17 | 成都中核高通同位素股份有限公司 | Low-activity cobalt-60 rodlike material level source and preparation method thereof |
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| CN103377736A (en) * | 2012-04-27 | 2013-10-30 | 上海核工程研究设计院 | Cobalt rod cluster part in cobalt regulating rod assembly |
| CN203659450U (en) * | 2013-11-27 | 2014-06-18 | 上海核工程研究设计院 | Cobalt adjustment rod and cobalt rod bundle assembly for production of medical high specific activity cobalt source |
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2013
- 2013-11-27 CN CN201310625034.5A patent/CN104681116A/en active Pending
Patent Citations (7)
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| US20040164012A1 (en) * | 2003-02-24 | 2004-08-26 | Dunkley John Graham | Chromatography column |
| JP2011508885A (en) * | 2007-12-28 | 2011-03-17 | グレゴリー ピーファー， | High energy proton or neutron source |
| CN101252025A (en) * | 2008-03-13 | 2008-08-27 | 上海核工程研究设计院 | Heavy water stack cobalt regulating rod component |
| CN103077757A (en) * | 2011-10-26 | 2013-05-01 | 上海核工程研究设计院 | Cobalt adjustment rod assembly receiving device |
| CN103377736A (en) * | 2012-04-27 | 2013-10-30 | 上海核工程研究设计院 | Cobalt rod cluster part in cobalt regulating rod assembly |
| CN102735312A (en) * | 2012-06-26 | 2012-10-17 | 成都中核高通同位素股份有限公司 | Low-activity cobalt-60 rodlike material level source and preparation method thereof |
| CN203659450U (en) * | 2013-11-27 | 2014-06-18 | 上海核工程研究设计院 | Cobalt adjustment rod and cobalt rod bundle assembly for production of medical high specific activity cobalt source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538423A (en) * | 2017-12-20 | 2018-09-14 | 南京喜悦科技股份有限公司 | A kind of irradiation devices using Co 60 radiated by gamma-ray |
| CN111710457A (en) * | 2020-06-29 | 2020-09-25 | 北京三强核力辐射工程技术有限公司 | Cobalt-60 radioactive source for whole-body gamma knife radiotherapy and preparation method thereof |
| 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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Application publication date: 20150603 |