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CN110265168B - Neutron source transfer container - Google Patents

Neutron source transfer container Download PDF

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Publication number
CN110265168B
CN110265168B CN201910448922.1A CN201910448922A CN110265168B CN 110265168 B CN110265168 B CN 110265168B CN 201910448922 A CN201910448922 A CN 201910448922A CN 110265168 B CN110265168 B CN 110265168B
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CN
China
Prior art keywords
shell
casing
neutron
neutron source
source transfer
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.)
Active
Application number
CN201910448922.1A
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Chinese (zh)
Other versions
CN110265168A (en
Inventor
王璐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Taiwei Accelerator Co ltd
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Guangdong Taiwei Accelerator Co ltd
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Publication date
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Priority to CN201910448922.1A priority Critical patent/CN110265168B/en
Publication of CN110265168A publication Critical patent/CN110265168A/en
Application granted granted Critical
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00Shielding characterised by the composition of the materials
    • G21F1/02Selection of uniform shielding materials
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00Shielding characterised by the composition of the materials
    • G21F1/02Selection of uniform shielding materials
    • G21F1/023Liquids
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00Transportable or portable shielded containers
    • G21F5/015Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00Transportable or portable shielded containers
    • G21F5/06Details of, or accessories to, the containers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiation-Therapy Devices (AREA)
  • Particle Accelerators (AREA)

Abstract

The invention provides a neutron source transfer container which comprises a hemispherical first shell and a hemispherical second shell, wherein two planes of the first shell and the second shell can be mutually buckled and fixedly connected, a protruding part is arranged in the center of the plane of the first shell, a groove matched with the protruding part is formed in the second shell, a neutron source placing groove is formed in the protruding part, the first shell and the second shell are of hollow structures, neutron shielding materials are filled in the first shell and the second shell, release valves for releasing the neutron shielding materials are arranged on the first shell and the second shell, injection valves for injecting the neutron shielding materials are arranged on the first shell and the second shell, and the first shell and the second shell are made of materials convenient for neutron transmission.

Description

Neutron source transfer container
Technical Field
The invention relates to the technical field of radioactive substance transfer, in particular to a neutron source transfer container.
Background
The neutron source is a neutron obtained by the reaction of alpha particles emitted by the decay of a radionuclide with a (alpha, n) nucleus generated by the rich neutron, or the spontaneous fission of the radionuclide. The neutron source has the advantages of long service life, stable neutron emission, moderate volume and the like, and is widely applied to various fields of industry, agriculture, medicine and scientific research. Particularly, the neutron source for starting the nuclear reactor has irreplaceable advantages, and along with the continuous construction of the nuclear power station, the demand for the neutron source is increasing.
The external radiation protection of neutrons mainly shields fast neutrons, and the interaction of fast neutrons and substances mainly comprises elastic scattering and inelastic scattering, so that substances with more hydrogen, such as water, paraffin, polyethylene and the like, are selected as the shielding materials of neutrons. The frame structure of the storage and transportation container of the neutron source is made of carbon steel and paraffin lining, the protection material is paraffin, the carbon steel plays a role in fixation, and the problems of large mass and inconvenient transfer exist.
In addition, the neutron source is required to measure accurate neutron emissivity before use, and the neutron source is required to be transferred from a storage place to a measurement place for measurement in the process, so that the neutron source is troublesome to take and easy to cause radiation accidents, and the operator is endangered.
Disclosure of Invention
In view of the problems identified in the background art, the present invention provides a neutron source transfer container that is convenient to move and to measure neutron emissivity.
The technical scheme of the invention is realized as follows:
The utility model provides a neutron source shifts container, includes hemispherical first casing and hemispherical second casing, and two planes of first casing and second casing can mutual lock fixed connection, and the planar center of first casing is equipped with the bellying, the second casing on be equipped with the recess with the bellying adaptation, the bellying on be equipped with neutron source standing groove, first casing and second casing are inside hollow structure, first casing and second casing intussuseption are filled with neutron shielding material, all are equipped with the release valve that releases neutron shielding material on first casing and the second casing, all are equipped with the injection valve that injects neutron shielding material on first casing and the second casing, first casing and second casing make by the material of being convenient for neutron transmission.
The invention is further arranged that the first shell and the second shell are filled with water, the release valve is a water drain valve, and the injection valve is a water inlet valve.
The invention is further arranged that a plurality of through holes communicated with the inside of the first shell and the second shell are distributed on the first shell and the second shell, the first shell and the second shell are respectively provided with an inflatable bag, the inflatable bag is filled with hydrogen, the release valve is a release valve, the release valve is communicated with the inside of the inflatable bag, the injection valve is an air inlet valve, and the air inlet valve is communicated with the inside of the inflatable bag.
The invention is further arranged that the planes of the first shell and the second shell are respectively provided with a flange, and the first shell and the second shell are fixedly connected through the flanges and the screws.
The invention is further arranged that the first shell and the second shell are made of aluminum materials.
The invention is further arranged that handles are respectively arranged on the first shell and the second shell.
The invention is further arranged that the second shell is positioned at the lower side of the first shell, the lower side of the second shell is provided with a base, the second shell is connected with the base through a bracket, and the lower side of the base is provided with a roller.
The invention has the beneficial effects that:
The neutron source transfer container provided by the invention is provided with the hollow shell inside to bear a neutron source, and the shell is filled with the neutron shielding material, the neutron shielding material is water or hydrogen, so that the whole transfer container is lighter and convenient to move, the neutron shielding material in the shell can be conveniently injected and released, and the shell releases the neutron shielding material in the shell to make the whole container lighter under certain conditions.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a schematic structural view of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is illustrated below with reference to fig. 1-2:
embodiment one: a neutron source transfer container comprises a hemispherical first shell 10 and a hemispherical second shell 20, wherein two planes of the first shell 10 and the second shell 20 can be mutually buckled and fixedly connected.
The center of the plane of the first shell 10 is provided with a protruding part 30, the second shell 20 is provided with a groove 40 matched with the protruding part 30, and the protruding part 30 is provided with a neutron source placing groove 50.
The first shell 10 and the second shell 20 are hollow structures, neutron shielding materials are filled in the first shell 10 and the second shell 20, release valves 60 for releasing the neutron shielding materials are arranged on the first shell 10 and the second shell 20, injection valves 70 for injecting the neutron shielding materials are arranged on the first shell 10 and the second shell 20, and the first shell 10 and the second shell 20 are made of materials convenient for neutron transmission.
The first casing 10 and the second casing 20 are filled with water, the release valve 60 is a water drain valve, and the injection valve 70 is a water inlet valve. After being filled with water, the neutron source is wrapped by a thick water layer, and emitted neutrons can be shielded and attenuated by the water layer when passing through the water layer. The container can be relatively large, and the volume of the container is designed according to the thickness of a water layer.
Example 2: embodiment 2 is basically the same as embodiment 1, except that the neutron shielding material is different, so that some structural changes are brought, a plurality of through holes communicated with the inside of the first shell 10 and the second shell 20 are distributed on the first shell 10 and the second shell 20, the first shell 10 and the second shell 20 are respectively provided with an inflatable bag 80, the inflatable bag 80 is filled with hydrogen, the release valve 60 is a release valve, the release valve is communicated with the inside of the inflatable bag 80, the injection valve 70 is an air inlet valve, and the air inlet valve is communicated with the inside of the inflatable bag 80. Hydrogen is injected into the inflatable bag through the air inlet valve, the inflatable bag expands to discharge air in the first shell 10 and the second shell 20, the shape of the inflatable bag is designed to be matched with the inner space of the first shell 10 and the second shell 20, and after the inflatable bag is filled with hydrogen, a neutron source positioned in the middle of the shells is completely covered by one layer of hydrogen, so that the neutron emitting shielding effect is achieved.
The flange 90 is respectively arranged on the planes of the first shell 10 and the second shell 20, the first shell 10 and the second shell 20 are fixedly connected through the flange 90 and the screws, and the connecting structure is simple and convenient to operate.
The first casing 10 and the second casing 20 are made of aluminum materials, so that neutrons can be transmitted conveniently.
Handles 32 are respectively arranged on the first shell 10 and the second shell 20, so that the manual transfer is convenient when the volume of the container is smaller.
The second shell 20 is located at the lower side of the first shell 10, the lower side of the second shell 20 is provided with a base 12, the second shell 20 is connected with the base 12 through a bracket 13, and the lower side of the base 12 is provided with a roller 14. In the technical scheme, when the volume of the container is larger, the container is convenient to move as easily as the trolley.
The invention has the beneficial effects that:
The neutron source transfer container provided by the invention is provided with the hollow shell inside to bear a neutron source, and the shell is filled with the neutron shielding material, the neutron shielding material is water or hydrogen, so that the whole transfer container is lighter and convenient to move, the neutron shielding material in the shell can be conveniently injected and released, and the shell releases the neutron shielding material in the shell to make the whole container lighter under certain conditions.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.

Claims (7)

1. A neutron source transfer container, characterized in that: including hemispherical first casing and hemispherical second casing, two planes of first casing and second casing can lock fixed connection each other, and the planar center of first casing is equipped with the bellying, the second casing on be equipped with the recess with the bellying adaptation, the bellying on be equipped with neutron source standing groove, first casing and second casing are inside hollow structure, first casing and second casing intussuseption are filled with neutron shielding material, all are equipped with the release valve that releases neutron shielding material on first casing and the second casing, all are equipped with the injection valve that injects neutron shielding material on first casing and the second casing, first casing and second casing make by the material of being convenient for neutron transmission.
2. The neutron source transfer container of claim 1, wherein: the first shell and the second shell are filled with water, the release valve is a water drain valve, and the injection valve is a water inlet valve.
3. The neutron source transfer container of claim 1, wherein: the first shell and the second shell are respectively provided with a plurality of through holes communicated with the inside of the first shell and the second shell, the first shell and the second shell are respectively provided with an inflatable bag, the inflatable bag is filled with hydrogen, the release valve is a release valve, the release valve is communicated with the inside of the inflatable bag, the injection valve is an air inlet valve, and the air inlet valve is communicated with the inside of the inflatable bag.
4. A neutron source transfer vessel according to claim 2 or claim 3, wherein: the plane of the first shell and the plane of the second shell are respectively provided with a flange, and the first shell and the second shell are fixedly connected through the flanges and the screws.
5. A neutron source transfer vessel according to claim 2 or claim 3, wherein: the first shell and the second shell are made of aluminum materials.
6. The neutron source transfer container of claim 4, wherein: handles are respectively arranged on the first shell and the second shell.
7. The neutron source transfer container of claim 4, wherein: the second casing be located the downside of first casing, the second casing downside is equipped with the base, the second casing passes through the support to be connected with the base, the downside of base is equipped with the gyro wheel.
CN201910448922.1A 2019-05-28 2019-05-28 Neutron source transfer container Active CN110265168B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910448922.1A CN110265168B (en) 2019-05-28 2019-05-28 Neutron source transfer container

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Application Number Priority Date Filing Date Title
CN201910448922.1A CN110265168B (en) 2019-05-28 2019-05-28 Neutron source transfer container

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CN110265168A CN110265168A (en) 2019-09-20
CN110265168B true CN110265168B (en) 2024-08-27

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210271811U (en) * 2019-05-28 2020-04-07 广东太微加速器有限公司 Neutron source transfer container

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES401582A1 (en) * 1971-06-11 1977-07-01 Gen Electric A transportation container for radioactive material. (Machine-translation by Google Translate, not legally binding)
CA1039416A (en) * 1974-09-19 1978-09-26 Norman L. Greer Shipping container for nuclear fuels
DD135657A1 (en) * 1978-02-20 1979-05-16 Guenter Vormum PORTABLE IRRADIATOR WITH NEUTRON SOURCE
DE3534760C1 (en) * 1985-09-28 1987-05-07 Bbc Reaktor Gmbh Device for generating thermal neutrons
DE4032343A1 (en) * 1990-10-09 1992-04-16 Apparate Und Anlagenbau German Spent fuel transport and storage containers - with exterior angle profiles forming cavities for neutron shielding material
US6587536B1 (en) * 2002-03-18 2003-07-01 Holtec International, Inc. Method and apparatus for maximizing radiation shielding during cask transfer procedures
CN201163545Y (en) * 2008-02-28 2008-12-10 核电秦山联营有限公司 Shielding device used for once neutron source component suspension
JP2013036859A (en) * 2011-08-08 2013-02-21 Toshiba Corp Neutron shielding material, manufacturing method therefor, storage rack for spent nuclear fuel, and transport cask
CN202305438U (en) * 2011-09-06 2012-07-04 长春工业大学 Double-neutron-source coal on-line analyzer
CN104916341B (en) * 2015-06-15 2017-07-14 中国原子能科学研究院 A kind of radioactive source storage, pneumatic conveying and transfer device
CN204946553U (en) * 2015-09-07 2016-01-06 中广核工程有限公司 For loading and transporting the transfer container of spentnuclear fuel
CN205122209U (en) * 2015-11-16 2016-03-30 中国原子能科学研究院 Neutron source shifts container
CN106024085A (en) * 2016-06-14 2016-10-12 中广核工程有限公司 Transfer container for dry storage of nuclear power plant spent fuel
CN109273125A (en) * 2018-11-21 2019-01-25 中科瑞华(安徽)中子能源技术有限公司 A kind of multifunctional light shielding construction of radiological unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210271811U (en) * 2019-05-28 2020-04-07 广东太微加速器有限公司 Neutron source transfer container

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Effective date of registration: 20200122

Address after: 523808 room 310, building 1, No. 8, South Industrial Road, Songshanhu Park, Dongguan City, Guangdong Province

Applicant after: Guangdong Taiwei accelerator Co.,Ltd.

Address before: 101100 Beijing Tongzhou Canal Core Area IV-07 Block Greenbelt Building, Building 1, 22 Floors

Applicant before: Wang Lu

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