A dynamic simulation of D<sub>2</sub>/DT separation by cryogenic distillation

XIA Xiulong

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A dynamic simulation of D₂/DT separation by cryogenic distillation

更新时间：2021-03-12

- A dynamic simulation of D₂/DT separation by cryogenic distillation
- NUCLEAR TECHNIQUES Issue 4, (2007)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所,绵阳,621900
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ028.31
- Published：01 April 2007
- 稿件说明：
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[1]夏修龙.D_2/DT低温精馏分离动态模拟[J].核技术,2007(04):294-296.

XIA Xiulong. A dynamic simulation of D₂/DT separation by cryogenic distillation[J]. Nuclear techniques, 2007, (4): 294-296.
[1]夏修龙.D_2/DT低温精馏分离动态模拟[J].核技术,2007(04):294-296. DOI：

XIA Xiulong. A dynamic simulation of D₂/DT separation by cryogenic distillation[J]. Nuclear techniques, 2007, (4): 294-296. DOI：

摘要

本文建立了氢同位素低温精馏分离的动态模型

利用该模型针对D2/DT体系计算获得了精馏柱上DT浓度的动态变化和空间分布;研究了再沸器滞留量、回流比等参数对系统分离性能的影响。回流比的提高可以显著地提高脱氚率;再沸器中DT浓度不但与滞液量存在显著的依赖关系

而且随时间增长而增长。在理论板数为80时

塔顶与塔底DT浓度相差约3个数量级

分离效果明显。

Abstract

A dynamic theoretical simulation model was built to study cryogenic distillation separation of hydrogen isotopes. Dynamic behavior of DT concentration was obtained. The effects on separation performance of parameters such as reboiler holdup and reflux ratio were studied. The result indicates that the increase of reflux ratio brings about a substantial improvement of the system detritiation efficiency. DT concentration in reboiler is related with time and reboiler holdup

and dynamic calculation shows that DT concentration in reboiler increases almost linearly with time under the proposed operation mode in this paper. The separation performance is satisfactory with 80 stages as the DT concentration in reboiler is enriched 1000-fold compared with that in condenser.

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中国工程物理研究院核物理与化学研究所所

中国工程物理研究院核物理与化学研究所

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A dynamic simulation of D2/DT separation by cryogenic distillation

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摘要

Abstract

关键词

Keywords

references

A dynamic simulation of D₂/DT separation by cryogenic distillation