色谱进样/切换阀在工业色谱仪多流路分析中的设计与应用  

Design and Application of Chromatographic Injection/Switching Valve for Multiflow Analysis of Industrial Chromatograph

作　　者：于军[1] 李鹏飞[1] 陈利军[1] YU Jun;LI Peng-fei;CHEN Li-jun(Tianhua Chemical Machinery and Automation Institute Co.,Ltd.)

机构地区：[1]天华化工机械及自动化研究设计院有限公司

出　　处：《化工自动化及仪表》2021年第3期238-242,共5页Control and Instruments in Chemical Industry

基　　金：国家重点研发计划项目(2017YFF0106101)。

摘　　要：由于工业色谱仪需求量大且价格昂贵,在满足对工艺装置样品分析周期的前提下,一台工业色谱仪交替检测分析多流路样品是在线分析领域的发展趋势。以多流路样品切换分析为主要研究对象,阐述色谱进样/切换阀在工业色谱仪多流路分析中的设计与应用。实际应用表明:该阀在工业色谱仪样品预处理上的应用,成功实现了多流路样品切换分析,达到了节约投资成本的目的。Considering industrial chromatograph’s high demands and expensive price,employing a set of industrial chromatograph to alternately detect and analyze multi-flow samples becomes necessary on the premise of satisfying sample analysis.In this paper,through taking switching analysis of multiflow samples as the object of study,both design and application of chromatographic injection/switching valve in multiflow analysis of industrial chromatograph were described.The practical application showed that,the valve designed can successfully realize switching analysis of multiflow samples and save investment.

关 键 词：色谱仪 色谱进样/切换阀 多流路 无污染 

分 类 号：TH833[机械工程—仪器科学与技术]