ThorCon堆氚产额分析研究

钱楠; 王广华; 黄豫; 曾友石; 包广粮; 吴胜伟; 刘卫

doi:10.11889/j.0253-3219.2018.hjs.41.020606

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ThorCon堆氚产额分析研究

核能科学与工程 | 更新时间：2021-05-19

- ThorCon堆氚产额分析研究
- Issues in the calculation of the tritium production in the ThorCon reactors
- 核技术 2018年41卷第2期文章编号：020606
- 作者机构：
  
  中国科学院上海应用物理研究所嘉定园区上海 201800
- 作者简介：
  
  [ "钱楠, 男, 1985年出生, 2015年于上海交通大学获博士学位, 研究领域为核能科学与工程", "QIAN Nan, male, born in 1985, graduated from Shanghai Jiao Tong University with a doctoral degree in 2015, focusing on nuclear science and engineering" ]
  吴胜伟, E-mail:wushengwei@sinap.ac.cnWU Shengwei, E-mail: wushengwei@sinap.ac.cn
  刘卫, E-mail:liuwei@sinap.ac.cnLIU Wei, E-mail: liuwei@sinap.ac.cn
- 基金信息：
  
  中国科学院战略性先导科技专项项目(XDA02050100)
- DOI：10.11889/j.0253-3219.2018.hjs.41.020606
  中图分类号： TL364
- 收稿日期：2017-09-29，
  
  修回日期：2017-11-27，
  
  纸质出版日期：2018-02-10
- 稿件说明：
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钱楠, 王广华, 黄豫, 等. ThorCon堆氚产额分析研究[J]. 核技术, 2018,41(2):020606

Nan QIAN, Guanghua WANG, Yu HUANG, et al. Issues in the calculation of the tritium production in the ThorCon reactors[J]. Nuclear techniques, 2018, 41(2): 020606
钱楠, 王广华, 黄豫, 等. ThorCon堆氚产额分析研究[J]. 核技术, 2018,41(2):020606 DOI： 10.11889/j.0253-3219.2018.hjs.41.020606.

Nan QIAN, Guanghua WANG, Yu HUANG, et al. Issues in the calculation of the tritium production in the ThorCon reactors[J]. Nuclear techniques, 2018, 41(2): 020606 DOI： 10.11889/j.0253-3219.2018.hjs.41.020606.

摘要

ThorCon堆是一种以熔融氟盐(NaF-BeF

-ThF

-UF

)作为燃料及冷却剂、石墨为慢化剂的小型模块化熔盐反应堆。在热中子的照射下熔盐中的Be、F以及屏蔽层和石墨中的B会发生核反应产生氚。氚在高温下具有很强的渗透能力，能够影响金属构件的力学性能，减少其使用寿命。进入环境的氚在高温下易氧化为氚化水。氚化水进入人体后会形成内照射，对操作人员健康造成影响。根据产氚反应的性质及中间产物个数可将产氚反应分为三类：直接产氚反应、有中间产物的产氚反应、三裂变产氚反应。并对这三类反应分别建立相应的计算方程。计算结果表明，ThorCon堆年产氚约为5.444 g。其中Be反应产氚是最主要的氚来源，88.5%的氚来源于Be。如能降低Be含量，将大幅降低氚的产额。

Abstract

Background

ThorCon reactor is a thermal reactor using molten salt (NaF-BeF

-ThF

-UF

) as fuel and coolant and graphite as moderator. Tritium would be produced by nuclear reaction of Be

F in NaF-BeF

-ThF

-UF

and B graphite

which has strong penetration ability at high temperature

affecting the mechanical properties of the structure and reduce its life. And the tritium is easily changed into trialed water

which may enter the human body

causing internal radiation.

Purpose

This paper aims to predict the production of tritium and its main reaction.

Methods

The tritium production reaction was divided into three types based on the number of intermediate products in the reaction channel

such as producing tritium by nuclear reactions with or without intermediate products and by ternary fission. Three corresponding equations were set up accordingly.

Results

The results showed that the annual tritium production was about 5.444 g

and 88.5% of tritium came from Be.

Conclusion

If the amount of Be can be reduced

the yield of tritium will be greatly reduced.

关键词

Keywords

references

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