放射性环境下自动分料装置技术的研究与探索  

Research and Exploration of Automatic Separator Technology in Radioactive Environment

作　　者：赵凤静 张果 李广宇 阚琛 杨宏悦 Zhao Fengjing;Zhang Guo;Li Guangyu;Kan Chen;Yang Hongyue(China Nuclear Power Engineering Corporation Limited,Beijing 100840,China;CNNC Engineering Research Center for Fuel Reprocessing,Beijing 100840,China)

机构地区：[1]中国核电工程有限公司,北京100840 [2]中核核燃料后处理工程技术研究中心,北京100840

出　　处：《广东化工》2025年第2期107-109,145,共4页Guangdong Chemical Industry

摘　　要：放射性环境下自动分料装置技术对提高乏燃料后处理厂的处理能力有重要意义,其关键难点在于运行安全、腔体密封和维修维护等。为解决上述问题,通过采取措施保证轴系的稳定性、到位准确性并预防故障以实现自动分料装置长期稳定运行;提出多道长短水封配合的方案以实现多腔体的可靠密封;细化免维修设计、远距离拆装与直接维修相结合的维修维护方案。通过自动分料装置科研样机试验验证了上述方案的可行性,并实现了自动分料装置长期连续运行。通过研究,为放射性环境下自动分料装置的工程设计及应用奠定了基础,对放射性废物处理领域具有重要意义。The technology of automatic feed switching device in radioactive environment is of great significance for improving the processing capacity of spent fuel reprocessing plants.The key difficulties lie in operational safety,cavity sealing,and maintenance.To solve the above problems,measures are taken to ensure the stability and accuracy of the shaft system,and to prevent faults,in order to achieve long-term stable operation of the automatic feed switching device;propose a scheme of combining multiple long and short water seals to achieve reliable sealing of multiple chambers;refine the maintenance plan that combines maintenance free design,remote disassembly,and direct repair.The feasibility of the above scheme was verified through the research prototype test of the automatic feed switching device,and the long-term continuous operation of the automatic sorting device is achieved.Through research,a foundation is laid for the engineering design and application of automatic feed switching devices in radioactive environments,which is of great significance to the field of radioactive waste treatment.

关 键 词：乏燃料后处理 批式反应器 自动分料装置 水封结构 

分 类 号：TL249[核科学技术—核燃料循环与材料]