永磁式钠流量计误差分析及精度设计  

Error Analysis and Precision Design of Permanent Magnetic Sodium Flow Meters

作　　者：吴宏岩[1] 杨建伟[1] 金佳佳[1] Wu Hongyan;Yang Jianwei;Jin Jiajia(China Institute of Atomic Energy,Beijing 102413)

机构地区：[1]中国原子能科学研究院,北京102413

出　　处：《中国仪器仪表》2025年第4期26-30,共5页China Instrumentation

摘　　要：永磁式钠流量计主要用于实现快中子增殖反应堆(简称快堆)中钠回路管道内的高温液态钠流量测量。本文介绍了永磁式钠流量计的工作原理及结构,从测量原理、加工制造、工艺处理以及运行使用等多方面对永磁式钠流量计进行全面的误差分析,并根据钠流量测量的设计要求进行具体的精度设计,给出了永磁式钠流量计关键部件的精度指标,最终保证流量计的测量误差满足工程测量需求。Permanent magnetic sodium flow meters are used to measure the sodium flow in sodium cooled fast breeder reactor circuits.Firstly,the principle and structure of the flow meter is introduced in this paper,and errors brought by theory formula,manufacturing,fabrication processing and operation are analysed.According to the measuring requirements,precision design of the flow meter is put forward,and the specifications of the key parts are established,which ensures that the measuring error of flow meters meets the demand of engineering measurement.

关 键 词：快中子增殖反应堆 永磁式钠流量计 误差分析 精度设计 

分 类 号：TH814[机械工程—仪器科学与技术]