高温气冷堆及其乏燃料中核素的质谱分析技术

发布时间：2018-04-14 17:20

  本文选题：质谱 + 高温气冷堆　； 参考：《质谱学报》2017年03期

【摘要】：质谱技术发展初期主要用于与核工业相关的无机同位素丰度的测定,随着核工业的兴起与发展,质谱技术被广泛应用于核燃料与核材料中杂质分析、核燃料燃耗测定以及核素分析等领域。本工作从质谱技术用于高温气冷堆运行中产生的氚检测、乏燃料中痕量钚(Pu)和镎(Np)测定以及乏燃料中14 C测定的原理及应用、研究方法的优缺点三方面展开论述,阐述了用于高温气冷堆及其乏燃料中核素分析方面的气体同位素质谱仪(GIMS)、电感耦合等离子体质谱仪(ICP-MS)、激光共振电离质谱仪(LRIMS)以及加速器质谱仪(AMS)的研制及应用现状,分析了仪器本身及其应用方面存在的问题及发展趋势,讨论了未来相关质谱技术的发展方向,并提出可能的解决方案。为了使质谱技术能够更加有效地应用于高温气冷堆的研究,迫切需要发展体积小、结构简单、便于操作的智能化仪器。
[Abstract]:Mass spectrometry technology was mainly used in the determination of inorganic isotope abundance related to nuclear industry in the early stage of development. With the rise and development of nuclear industry, mass spectrometry technology has been widely used in the analysis of impurities in nuclear fuel and nuclear materials.Nuclear fuel burnup measurement and nuclide analysis and other fields.In this paper, the principle and application of mass spectrometry in the detection of tritium produced in high temperature gas cooled reactor (HTGR), the determination of trace plutonium (Pu) and neptunium (NP) in spent fuel and the determination of 14C in spent fuel are discussed, and the advantages and disadvantages of the research methods are also discussed.The development and application of gas isotope mass spectrometer (GIMS), inductively coupled plasma mass spectrometer (ICP-MSN), laser resonance ionization mass spectrometer (LRIMS) and accelerator mass spectrometer (AMS) in high temperature gas cooled reactor and its spent fuel are described.This paper analyzes the problems and development trend of the instrument itself and its application, discusses the development trend of the related mass spectrometry technology in the future, and puts forward the possible solutions.In order to make the mass spectrometry technology more effective in the research of high temperature gas cooled reactor, it is urgent to develop intelligent instruments with small volume, simple structure and easy operation.
【作者单位】： 清华大学核能与新能源技术研究院;
【分类号】：O657.63;TL424
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本文编号：1750301