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Mechanical device used for scanning measurement of chromatographic Gamma

A mechanical device and detector technology, applied in the field of nuclear radiation measurement, can solve problems such as not meeting the requirements of TGS measurement

Inactive Publication Date: 2011-11-23
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the tomographic gamma scanning technology requires step-by-step rotation of the waste bucket, and translational movement of the waste bucket, so the above-mentioned device cannot meet the measurement requirements of TGS

Method used

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  • Mechanical device used for scanning measurement of chromatographic Gamma
  • Mechanical device used for scanning measurement of chromatographic Gamma
  • Mechanical device used for scanning measurement of chromatographic Gamma

Examples

Experimental program
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Embodiment

[0023] Such as figure 1 As shown, this embodiment includes: a waste bucket rotating table 1, a rotating table moving assembly 2, a detector lifting platform assembly 3, a transmission source lifting platform assembly 4, a base 5, and a high-purity germanium detector 7 with a collimator 6 , a transmission source 8 with a shielding block and a data processing module 9, wherein: the rotating table moving assembly 2, the detector lifting platform assembly 3 and the transmission source lifting platform assembly 4 are jointly arranged on the base 5, and the waste bucket rotating table 1, high The pure germanium detector 7 and the transmission source 8 are respectively arranged on the rotating table moving assembly 2, the detector lifting platform assembly 3 and the transmission source lifting platform assembly 4, and the detector lifting platform assembly 3 and the transmission source lifting platform assembly 4 are respectively placed in the waste On both sides of the bucket rotati...

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Abstract

The invention discloses a mechanical device used for scanning measurement of chromatographic Gamma. The mechanical device comprises a waste barrel rotating table, a rotating table moving assembly, a detector lifting platform assembly, a transmission source lifting platform assembly, a base, a high-purity germanium detector provided with a collimator and a transmission source provided with a shielding block, wherein the rotating table moving assembly, the detector lifting platform assembly and the transmission source platform assembly are all arranged on the base; the waste barrel rotating table, the high-purity germanium detector and the transmission source are arranged on the rotating table moving assembly, the detector lifting platform assembly and the transmission lifting platform assembly respectively; and the detector lifting platform assembly and the transmission lifting platform assembly are arranged at two sides of the waste barrel rotating table respectively. The mechanical device disclosed by the invention realizes the accurate lifting of the transmission source and the detector and rotation and translation of the waste barrel, can meet the measurement requirement when the detector and the transmission source are not positioned on the same layer under a special condition, and can ensure that the detector moves horizontally in a small range.

Description

technical field [0001] The invention relates to a device in the technical field of nuclear radiation measurement, in particular to a tomographic gamma scanning measurement device used in a standard 200L waste barrel of a nuclear power plant. Background technique [0002] The rapid development of the nuclear industry and the extensive use of nuclear materials will produce a large amount of low- and medium-level radioactive waste. According to relevant national regulations, the activity of these wastes must be measured before intermediate storage, transportation, and final disposal. Due to the particularity of nuclear waste, it is difficult to measure nuclides. At present, the ideal measurement technology is non-destructive testing technology, among which gamma scanning technology is one of the most widely used detection methods for nuclear power plant barreled waste. The γ-ray scanning measurement technology determines the types and activities of radioactive elements by anal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/167
Inventor 王德忠刘诚钱楠白云飞顾卫国
Owner SHANGHAI JIAO TONG UNIV
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