Study on Drying Process of Dry Storage Container for High Burn-up Spent Nuclear Fuel

SHEN Peng; WU Keke; WENG Chenyang; HUANG Shangqing; YU Gaowei; JING Dongming; ZONG Xu

doi:10.19805/j.cnki.jcspe.2025.240291

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Study on Drying Process of Dry Storage Container for High Burn-up Spent Nuclear Fuel

更新时间：2026-10-10

- Study on Drying Process of Dry Storage Container for High Burn-up Spent Nuclear Fuel
- Chinese Journal of Power Engineering Vol. 45, Issue 7, Pages: 992-998(2025)
- 作者机构：
  
  1. 上海发电设备成套设计研究院有限责任公司,上海,200240
  2. 上海核工程研究设计院股份有限公司,上海,200233
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240291
  CLC：
- Online First：14 July 2025，
  
  Published：2025
- 稿件说明：
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申鹏,吴珂科,翁晨阳,黄尚青,俞高伟,景东明,宗旭. 高燃耗乏燃料干式贮存容器干燥工艺的研究动力工程学报, 2025, 45(7): 992-998 https://doi.

org/10.19805/j.cnki.jcspe.2025.240291
申鹏,吴珂科,翁晨阳,黄尚青,俞高伟,景东明,宗旭. 高燃耗乏燃料干式贮存容器干燥工艺的研究动力工程学报, 2025, 45(7): 992-998 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240291.

org/10.19805/j.cnki.jcspe.2025.240291 DOI：

摘要

对国内三代核电机组某型号高燃耗乏燃料干式贮存容器的干燥工艺进行理论分析与试验研究

结果表明:该贮存容器适宜采用吸附式干燥工艺进行处理

干燥过程至少需要持续4.1 h

可以达到设备规范书中要求的容器内水蒸气分压低于400 Pa的干燥标准;干燥过程分为2个阶段

第1阶段容器内存在大量液态残留水

湿度相对稳定

第2阶段仅有水蒸气

湿度快速下降;容器内有超过5/6的水分通过试验台架中的冷却器排出

剩余的水分由吸干机吸收。

Abstract

The drying process of a type of high burn-up spent fuel dry storage container for domestic third generation nuclear power units was analyzed theoretically and studied experimentally. Results show that

it is suitable to use the adsorption drying process for treatment

and the drying process needs to last at least 4.1 h

which can meet the drying standard that the water vapor content in the container is lower than 400 Pa as required in the equipment specification book. The drying process is divided into two stages. In the first stage

there is a large amount of liquid residual water in the container

and the humidity is relatively stable. In the second stage

there is only water vapor

and the humidity drops rapidly. More than 5/6 of the moisture in the container is discharged through the cooler in test bench

and the remaining is absorbed by the dryer.

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references

沈洁锋. 浅谈我国乏燃料管理现状[J]. 科技视界, 2019(24): 237-238. SHEN Jiefeng. Discussion on the status of spent fuel management in China[J]. Science & Technology Vision, 2019(24): 237-238.

洪哲, 詹乐昌, 刘卓, 等. 高燃耗对乏燃料贮存和运输的影响研究[J]. 辐射防护, 2019, 38(5): 423-428. HONG Zhe, ZHAN Lechang, LIU Zhuo, et al. Study on the influence of high burn-up on storage and transportation of spent fuel[J]. Radiation Protection, 2019, 38(5): 423-428.

马庆俊. 浅谈我国乏燃料干式贮存的未来发展前景[J]. 中国科技纵横, 2013(17): 44-47. MA Qingjun. Discussion on the future development prospect of dry storage of spent fuel in China[J]. China Science & Technology Overview, 2013(17): 44-47.

卢可可, 张白茹. 乏燃料运输容器排水及干燥方法浅析[J]. 科技视界, 2017(35): 78-79. LU Keke, ZHANG Bairu. Analysis of drainage and drying methods of spent fuel transport container[J]. Science & Technology Vision, 2017(35): 78-79.

罗瑞明, 李亚蕾, 刘贵珊, 等. 冷冻干燥技术原理及应用研究新进展[M]. 北京: 科学出版社, 2015.

王新花. 吸附式压缩空气干燥器运行分析[J]. 化工机械, 2015, 42(6): 789-791. WANG Xinhua. Operation analysis of adsorption dryer for compressed air[J]. Chemical Engineering & Machinery, 2015, 42(6): 789-791.

周有新, 宋磊, 陈军. 乏燃料干式贮存容器衰变热导出分析[C]//第十四届全国反应堆热工流体学术会议暨中核核反应堆热工水力技术重点实验室2015年度学术年会论文集. 北京: 中国核学会核能动力分会反应堆热工流体专业委员会, 2015.

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