CN219349152U - Radionuclide iodine-125 nuclear purity detection device - Google Patents
Radionuclide iodine-125 nuclear purity detection device Download PDFInfo
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- CN219349152U CN219349152U CN202320103383.XU CN202320103383U CN219349152U CN 219349152 U CN219349152 U CN 219349152U CN 202320103383 U CN202320103383 U CN 202320103383U CN 219349152 U CN219349152 U CN 219349152U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a radionuclide iodine-125 nuclear purity detection device, which comprises a sample chamber and a plurality of energy spectrometers, wherein a supporting plate is arranged at the bottom of the sample chamber, a lifting mechanism is arranged between the supporting plate and the bottom of the sample chamber, and an energy screening shielding container with an open top is arranged on the supporting plate; a top cover used for covering the opening of the energy screening shielding container is fixed on the sample chamber through a positioning frame, shielding layers are arranged outside the top cover and the energy screening shielding container, and communicating pipes connected with a plurality of energy spectrometers are arranged on the top cover; according to the utility model, the energy screening shielding container filled with the samples on the supporting plate is lifted upwards by the lifting mechanism, so that the energy screening shielding container is covered with the top cover, and the split energy screening shielding container is adopted, so that the energy screening shielding container is convenient to connect with a plurality of energy spectrometers and is convenient to replace.
Description
Technical Field
The utility model relates to the technical field related to nuclear purity detection technology, in particular to a radionuclide iodine-125 nuclear purity detection device.
Background
The in vivo radiotherapy of the iodine-125 seed source has high quality requirement on the iodine-125 nuclide, wherein the quality requirement on the nuclear purity is that the impurity nuclide iodine-126 contained in the iodine-125 should be lower than one ten thousandth. The reason is that: if the content of 126I of the high-energy rays (energy from 390Kev to 750 Kev) emitted by the seed source implanted in the body is too large, the rays penetrate the tumor part to additionally irradiate surrounding normal tissues, so that unnecessary radiation damage is caused; in addition, the strong high-energy rays bring certain difficulty to protection.
The radioimpurity nuclides content is commonly measured by a radioactivity meter and a spectrum analyzer. The prior patent CN201120032081.5 provides a radionuclide iodine-125 nuclear purity rapid measuring device, which comprises a sample chamber, an energy screening shielding container, a multi-channel energy spectrometer and a shielding layer, wherein the energy screening shielding container is positioned in the sample chamber, and the periphery of the energy screening shielding container is provided with the shielding layer; the multi-channel energy spectrometer is connected with the energy screening shielding container; but the energy screening shielding container and the multi-channel spectrometer are inconvenient to disassemble and assemble, so that the iodine-125 sample is inconvenient to detect.
Disclosure of Invention
The utility model provides a radionuclide iodine-125 nuclear purity detection device, which aims to overcome the defect that in the prior art, an energy screening shielding container and a multi-channel energy spectrometer are inconvenient to disassemble and assemble, so that iodine-125 samples are inconvenient to detect.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a radionuclide iodine-125 nuclear purity detection device, which comprises a sample chamber and a plurality of energy spectrometers, wherein a supporting plate is arranged at the bottom of the sample chamber, a lifting mechanism is arranged between the supporting plate and the bottom of the sample chamber, and an energy screening shielding container with an open top is arranged on the supporting plate; the top cover is fixed on the sample chamber through the locating frame and is used for covering the opening of the energy screening shielding container, the shielding layers are arranged outside the top cover and the energy screening shielding container, and communicating pipes connected with the multi-channel energy spectrometer are arranged on the top cover.
As a preferable technical scheme of the utility model, the lifting mechanism is a scissor type electric telescopic frame arranged between the supporting plate and the bottom of the sample chamber.
As a preferable technical scheme of the utility model, the top of the supporting plate is provided with a positioning groove matched with the outer contour of the bottom of the energy screening shielding container.
As a preferable technical scheme of the utility model, the supporting plate is provided with a cleaning groove communicated with the positioning groove.
As a preferable technical scheme of the utility model, a sealing groove is arranged on the shielding layer of the energy screening shielding container, and a sealing ring block embedded into the sealing groove is arranged on the shielding layer of the top cover.
As a preferable technical scheme of the utility model, the multi-channel energy spectrometer is a sodium iodide multi-channel gamma spectrometer.
As a preferred embodiment of the present utility model, the shielding layer is made of iron.
The beneficial effects of the utility model are as follows:
this kind of radionuclide iodine-125 nuclear purity detection device is upwards topped with the energy screening shielding container that is equipped with the sample on the layer board through setting up elevating system for energy screening shielding container closes with the top cap between, adopts split type energy screening shielding container, thereby conveniently is connected with the multichannel energy spectrometer, and is convenient for change energy screening shielding container.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a radionuclide iodine-125 nuclear purity detection device according to the present utility model;
FIG. 2 is a schematic diagram of the positioning groove of the radionuclide iodine-125 nuclear purity detection device of the present utility model;
FIG. 3 is a schematic diagram of the energy discrimination shielding container of a radionuclide iodine-125 nuclear purity detection device of the present utility model.
In the figure: 1. a sample chamber; 2. a multi-channel spectrometer; 3. a supporting plate; 4. an energy screening shielding container; 5. a positioning frame; 6. a top cover; 7. a shielding layer; 8. a communicating pipe; 9. scissor fork type electric telescopic frame; 10. a positioning groove; 11. sealing the groove; 12. a sealing ring block; 13. and cleaning the groove.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, 2 and 3, in the radionuclide iodine-125 nuclear purity detection device of the utility model, a supporting plate 3 is arranged at the bottom of a sample chamber 1, a lifting mechanism is arranged between the supporting plate 3 and the bottom of the sample chamber 1, and an energy screening shielding container 4 with an open top is placed on the supporting plate 3; the top cover 6 used for covering the opening of the energy screening shielding container 4 is fixed on the sample chamber 1 through the positioning frame 5, the shielding layers 7 are arranged on the top cover 6 and the outside of the energy screening shielding container 4, and the communicating pipes 8 connected with the multi-channel energy spectrometer 2 are arranged on the top cover 6. The energy screening shielding container 4 with the sample on the supporting plate 3 is upwards jacked through the lifting mechanism, so that the energy screening shielding container 4 is covered with the top cover 6, and the split type energy screening shielding container 4 is adopted, so that the energy screening shielding container is convenient to connect with the multi-channel spectrometer 2, and the energy screening shielding container 4 is convenient to replace.
The lifting mechanism is a scissor fork type electric telescopic frame 9 arranged between the supporting plate 3 and the bottom of the sample chamber 1, and has the characteristics of simple structure and easy control.
Wherein, the top of the supporting plate 3 is provided with a positioning groove 10 matched with the outer contour of the bottom of the energy screening shielding container 4; the energy screening shielding container 4 is convenient to position, and the energy screening shielding container 4 is prevented from being deviated and can not be accurately abutted with the top cover.
Wherein, the supporting plate 3 is provided with a cleaning groove 13 communicated with the positioning groove 10, so as to be convenient for cleaning the foreign matters in the positioning groove 10.
The shielding layer 7 of the energy screening shielding container 4 is provided with a sealing groove 11, and the shielding layer 7 of the top cover 6 is provided with a sealing ring block 12 embedded into the sealing groove 11 to seal the joint between the energy screening shielding container 4 and the top cover 6.
Wherein the multi-channel energy spectrometer 2 is a sodium iodide multi-channel gamma spectrometer. The shielding layer 7 is made of iron.
Working principle: the energy screening shielding container 4 with the sample on the supporting plate 3 is upwards jacked through the lifting mechanism, so that the energy screening shielding container 4 is covered with the top cover 6, and the split type energy screening shielding container 4 is adopted, so that the energy screening shielding container is convenient to connect with the multi-channel spectrometer 2, and the energy screening shielding container 4 is convenient to replace.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The radionuclide iodine-125 nuclear purity detection device comprises a sample chamber (1) and a plurality of energy spectrometers (2), and is characterized in that a supporting plate (3) is arranged at the bottom of the sample chamber (1), a lifting mechanism is arranged between the supporting plate (3) and the bottom of the sample chamber (1), and an energy screening shielding container (4) with an open top is placed on the supporting plate (3); the energy screening device is characterized in that a top cover (6) used for covering the opening of the energy screening shielding container (4) is fixed on the sample chamber (1) through a locating frame (5), shielding layers (7) are arranged on the top cover (6) and the outside of the energy screening shielding container (4), and communicating pipes (8) connected with a plurality of energy spectrometers (2) are arranged on the top cover (6).
2. A radionuclide iodine-125 nuclear purity detection device according to claim 1, characterized in that the lifting mechanism is a scissor-fork electric telescopic (9) arranged between the pallet (3) and the bottom of the sample chamber (1).
3. The radionuclide iodine-125 nuclear purity detection device according to claim 1, characterized in that the top of the pallet (3) is provided with a positioning groove (10) matching with the bottom outer contour of the energy screening shielding container (4).
4. A radionuclide iodine-125 nuclear purity detection device according to claim 3, characterized in that the pallet (3) is provided with a cleaning groove (13) communicating with the positioning groove (10).
5. The radionuclide iodine-125 nuclear purity detection device according to claim 1, characterized in that a sealing groove (11) is arranged on the shielding layer (7) of the energy screening shielding container (4), and a sealing ring block (12) embedded in the sealing groove (11) is arranged on the shielding layer (7) of the top cover (6).
6. The radionuclide iodine-125 nuclear purity detection device according to claim 1, wherein the multichannel spectrometer (2) is a sodium iodide multichannel gamma spectrometer.
7. A radionuclide iodine-125 nuclear purity detection device according to claim 1, characterized in that the shielding layer (7) is made of iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320103383.XU CN219349152U (en) | 2023-02-02 | 2023-02-02 | Radionuclide iodine-125 nuclear purity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320103383.XU CN219349152U (en) | 2023-02-02 | 2023-02-02 | Radionuclide iodine-125 nuclear purity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219349152U true CN219349152U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320103383.XU Active CN219349152U (en) | 2023-02-02 | 2023-02-02 | Radionuclide iodine-125 nuclear purity detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219349152U (en) |
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2023
- 2023-02-02 CN CN202320103383.XU patent/CN219349152U/en active Active
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