基于折光法发烟硫酸浓度分析仪的开发和应用  

Development and application of sulphuric acid concentration analyzer based on refractive index method

作　　者：张新华 ZHANG Xinhua(SINOPEC Nanjing Research Institute of Chemical Industry Co.,Ltd.,Nanjing,Jiangsu,210048,China)

机构地区：[1]中石化南京化工研究院有限公司,江苏南京210048

出　　处：《硫酸工业》2024年第5期49-52,68,共5页Sulphuric Acid Industry

摘　　要：介绍了折光法发烟硫酸浓度仪的测量原理、主要结构以及现场使用情况。应用结果表明,折光法发烟硫酸浓度分析仪测量范围广、准确性高、维护量低,解决了其他方法在发烟硫酸浓度测量过程中存在的拐点和腐蚀问题,能够连续进行w(H_(2)SO_(4))100%~110%发烟硫酸的测量。This article introduces the measurement principle,main structure,and on-site use of the refractive index fuming sulphuric acid concentration meter.The application results show that the refractive index method smoke sulphuric acid concentration analyzer has a wide measurement range,high accuracy,and low maintenance,which solves the problems of inflection points and corrosion in other methods of fuming sulphuric acid concentration measurement.It can continuously measure the mass fraction of fuming sulphuric acid ranging from 100%to 110%.

关 键 词：发烟硫酸 电导率拐点 折射率 浓度测量 

分 类 号：TQ111.16[化学工程—无机化工]