大型放射性废液贮罐顽固沉积物回取装置设计的仿真模拟研究  

Simulation Study on the Design of Stubborn Sediment Recovery Device for Large-Scale Radioactive Waste Liquid Storage Tanks

作　　者：张宇轩 韩红臣[1] 吕海雷[1] 朱振国 初丽丽[1] 朱欣研[1] ZHANG Yuxuan;HAN Hongchen;LYU Hailei;ZHU Zhenguo;CHU Lili;ZHU Xinyan(Decommission Treatment Engineering Technology Center,China Institute of Atomic Energy,Beijing 102413,China)

机构地区：[1]中国原子能科学研究院退役治理工程技术中心,北京102413

出　　处：《同位素》2022年第6期494-502,I0003,共10页Journal of Isotopes

摘　　要：为获得大型放射性废液贮罐顽固沉积物回取装置的选型参数,采用Solidworks建立三维实体模型,使用EDEM软件对装置中用于破碎盐饼层的旋耕刀进行离散元仿真分析;使用ANSYS软件在吸尘过程中对不同吸力、吸尘口形状进行有限元仿真分析,并对拟采用的主要受力零部件进行强度校核。结果表明,旋耕刀平均受力最大为330 N、最佳吸力19 kPa,最佳的吸尘口形状为扁平入口、圆形出口,主要受力零部件在仿真分析中未产生明显变形。研究结果可为后续装置的现场验证实验提供技术支持。In order to obtain the selection parameters of the large-scale radioactive waste liquid storage tank stubborn sediment retrieval device, Solidworks was used to establish a three-dimensional solid model, and EDEM software was used to carry out discrete element simulation analysis of the rotary tiller used for breaking the salt cake layer in the device;ANSYS software was used to carry out finite element simulation analysis of different suction force and shape of suction port during the cleaning process;ANSYS software was used to check the strength of the main force-bearing parts to be used. The relationship between the average force and time of the rotary tiller was obtained, and the maximum force value of 330 N, the best suction force value of 19 kPa and the best shape of the suction port were obtained. The main force components did not produce obvious deformation in the simulation analysis. It provided technical support for field verification experiments of devices.

关 键 词：放射性废液贮罐 盐饼 顽固沉积物 沉积物回取 仿真分析 

分 类 号：TL943[核科学技术—辐射防护及环境保护]