在线式液体密度测量技术简述  

Brief Introduction of On-line Liquid Density Measurement Technology

作　　者：杨昌群 徐宸 YANG Chang-qun;XU Chen(South China Branch of National Petroleum and Natural Gas Pipeline Network Group Co.,Ltd.,Guangzhou 518067 China;School of Instrument Science and Engineering,Harbin Institute of Technology,Harbin 1500001 China)

机构地区：[1]国家石油天然气管网集团有限公司华南分公司,广东广州518067 [2]哈尔滨工业大学仪器科学与工程学院,黑龙江哈尔滨1500001

出　　处：《自动化技术与应用》2022年第9期1-4,共4页Techniques of Automation and Applications

摘　　要：21世纪以来,液体密度精确测量越来越重要,密度测量几乎涉及所有制造部门,应用范围广泛。目前,液体密度测量技术趋向于数字化、准确化和自动化。工业生产测量具有直接、快速、实时监控等特点。密度测量的原理众多,形式和结构复杂,使用者在选型使用过程中有很多的困难,本文在综述在线式液体密度测量的基础上,给出选型与指导,同时对未来的发展趋势进行了展望。Since the 21st century,accurate measurement of liquid density becomes more and more important.Density measurement involves almost every production department and used widely.At present,liquid density measurement technology tends to be digitized,precise and automated.The measurement of industrial production is characterized by direct,rapid and real-time monitoring.There are many principles of density measurement,with complex forms and structures.Users have a lot of difficulties in the selection and use process.On the basis of reviewing the online liquid density measurement,this article gives the selection and guidance,and also looks forward to the future development trend.

关 键 词：液体密度 测定方法 谐振式测量 振动管 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]