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放射性高盐废液干燥成盐技术研究
引用本文:骆枫,吴光辉,范继珩,范椿欣,李振臣.放射性高盐废液干燥成盐技术研究[J].同位素,2023,36(1):29-34.
作者姓名:骆枫  吴光辉  范继珩  范椿欣  李振臣
作者单位:中国核动力研究设计院 四川省退役治理工程实验室,成都610213
摘    要:放射性废物处理中,放射性废液的体积和所含放射性总量在“三废”中占比较大,为使废物最小化,本研究围绕放射性高盐废液干燥成盐技术开展技术路线论证、工艺设计,研制放射性高盐废液微波干燥成盐工程样机,并完成样机加工制造、安装调试及性能验证。工程样机验证实验结果表明,装置运行过程稳定,干燥速率约6~8 L/h,产物不含游离水,桶内及桶壁温度最高约100℃,桶内压力在1~2 kPa之间。本研究结果可为放射性高盐废液干燥成盐技术及专用工装设计提供参考,并为后续工程应用奠定基础。

关 键 词:微波干燥  放射性高盐废液  工程样机  可靠性

Drying-into-Salt Technology of High Salinity Radioactive Liquid Waste
LUO Feng,WU Guanghui,FAN Jiheng,FAN Chunxin,LI Zhenchen.Drying-into-Salt Technology of High Salinity Radioactive Liquid Waste[J].Isotopes,2023,36(1):29-34.
Authors:LUO Feng  WU Guanghui  FAN Jiheng  FAN Chunxin  LI Zhenchen
Affiliation:Nuclear Power Institute of China, Sichuan Provincial Engineering Laboratory of Nuclear Facility Decommissioning and Radwaste Management, Chengdu 610213, China
Abstract:The radioactive waste treatment has been brought into focus with the rapidly developing of the nuclear industry. Due to the large proportion of volume and radioactivity of radioactive water in radioactive waste, the treatment of radioactive water draws people’s attention in the process of waste minimization. This research has systematically carry out mechanism study, engineering design, device development and performance verification surround the drying-into-salt technology of high salinity radioactive water. The results show that the engineering prototype runs steadily. The speed of drying is about 6-8 L/h, and the product doesn’t contain free water. Meanwhile, the temperature of inside and surface of drum is 100 degree centigrade. The pressure inside the drum locates at 1-2 kPa. This work will provide important reference for the experimental study and device development of drying-into-salt technology of high salinity radioactive water. Also, it will be a great help to follow-up engineering application of this new technology.
Keywords:microwave drying  radioactive waste liquid  prototype device  reliability  
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