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Electronic probe shielding sample seat of radioactive sample

An electronic probe and radioactive technology, applied in shielding, nuclear power generation, climate sustainability, etc., can solve problems such as radioactive damage, achieve the effect of increasing control accuracy and improving microscopic analysis capabilities

Pending Publication Date: 2022-05-20
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the electronic probe analyzes the high-dose level of the sample to be tested, the strong radioactive sample will still cause radioactive damage to the equipment itself, the experimenter and the experimental environment, so it is necessary to carry out necessary investigations from the source, that is, the radioactive sample itself. radiation shielding design

Method used

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  • Electronic probe shielding sample seat of radioactive sample
  • Electronic probe shielding sample seat of radioactive sample

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as Figure 1-Figure 2 As shown, an electronic probe shielding sample holder for a radioactive sample includes a sample stage chassis 9, an adjustable sample clamp 5 and a fixed sample clamp 7;

[0039] The fixed sample holder 7 and the adjustable sample holder 5 are arranged on the sample stage chassis 9, the fixed sample holder 7 and the adjustable sample holder 5 are arranged oppositely, and the fixed sample holder 7 and the adjustable sample holder 5 are formed An accommodating cavity for accommodating standard samples 11 and samples to be tested 12, the distance between the fixed sample holder 7 and the adjustable sample holder 5 can be adjusted;

[0040] The sample stage chassis 9, the adjustable sample fixture 5 and the fixed sample fixture 7 are all made of shielding materials; the shielding materials include stainless steel and tungsten-based materials, and the shielding ability of the shielding materials is not less than 5mm lead shielding equivalent.

[...

Embodiment 2

[0050] This embodiment is based on Embodiment 1, the horizontal section of the first L-shaped fixing plate 51 and the horizontal section of the second L-shaped fixing plate 71 respectively protrude inward to form a first boss and a second boss, so The first bosses and the second bosses are alternately arranged, a first accommodating cavity is formed between the first bosses and the second L-shaped fixing plate 71, and the gap between the second bosses and the first L-shaped fixing plate 51 A second accommodating cavity is formed between them, and the first accommodating cavity and the second accommodating cavity are used for placing the standard sample 11 and the sample to be tested 12 .

[0051] The test of the electronic probe in this embodiment requires that the shielded sample holder be provided with two sample mounting positions, one of which is used to place the sample to be tested 12 and the other to place the standard sample 11 .

Embodiment 3

[0053] This embodiment is based on Embodiment 1. A scale 10 is provided on the sample stage chassis 9 , and the length direction of the scale 10 is the displacement direction of the adjustable sample holder 5 .

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Abstract

The invention discloses an electronic probe shielding sample seat for a radioactive sample. The electronic probe shielding sample seat comprises a sample table chassis, an adjustable sample clamp and a fixed sample clamp, the fixed sample clamp and the adjustable sample clamp are arranged on the sample table chassis, the fixed sample clamp and the adjustable sample clamp are oppositely arranged, and an accommodating cavity for accommodating a standard sample and a sample to be detected is formed between the fixed sample clamp and the adjustable sample clamp; the distance between the fixed sample clamp and the adjustable sample clamp is adjustable; and the sample table chassis, the adjustable sample clamp and the fixed sample clamp are all made of shielding materials. According to the electronic probe shielding sample seat, a radioactive sample can be shielded from the source under the condition that the normal test of an electronic probe is not influenced, so that the radiation dose level borne by an equipment component is reduced, the service life of the component is prolonged, the equipment information acquisition efficiency is optimized, and testers, the test environment and the like are protected.

Description

technical field [0001] The invention relates to the technical field of nuclear fuel cycle and irradiation, in particular to an electronic probe shielding sample seat for radioactive samples. Background technique [0002] As a high energy density, clean, low-carbon and sustainable energy, nuclear energy is one of the main methods to deal with global energy shortage and environmental pollution. As the core component of the nuclear reactor core, the fuel element releases energy through the fission reaction of elements, and produces a large amount of fission nuclides at the same time, and the type, content, distribution and other data of the fission nuclides of the fuel element after irradiation have a great impact on the irradiation effect of the fuel element and Performance in service is critical. [0003] The irradiated fuel element has a high level of radioactive measurement. When the conventional energy spectrometer performs elemental analysis, the required characteristic ...

Claims

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Application Information

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IPC IPC(8): G01N23/2204G21F3/00G21F1/08
CPCG01N23/2204G21F3/00G21F1/08G21F1/085Y02E30/30
Inventor 王桢宁知恩伍晓勇吴璐方忠强滕常青王青青张伟匡慧敏李佳文信天缘毛建军辛虹阳斯嘉轩宋小蓉
Owner NUCLEAR POWER INSTITUTE OF CHINA
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