辽宁石油化工大学学报

辽宁石油化工大学学报 ›› 2008, Vol. 28 ›› Issue (2): 25-27.

• 石油化工 • 上一篇    下一篇

PLC在乙醇精馏装置中的应用

荆 珂孙文志李晓红   

  1. 辽宁石油化工大学,辽宁抚顺 113001
  • 收稿日期:2008-01-07 出版日期:2008-06-20 发布日期:2017-07-23

Application of PLC in Ethanol Rectification Device

JING Ke, SUN Wen -zhi, LI Xiao -hong   

  1. Liaoning University of Petroleum ﹠Chemical Technology, Fushun Liaoning 113001, P.R.China
  • Received:2008-01-07 Published:2008-06-20 Online:2017-07-23

摘要: 乙醇精馏装置是将纯度为95%的乙醇经三重精馏生成无水乙醇的生产工艺。该工艺属于间歇反应,控制系统若采用PLC多回路串级调节,可以提高系统的控制精度和自动化水平。实践结果表明,由于PLC组态控制灵活、接口功能丰富、参数设置方便,操作界面直观,将在精馏装置中得到广泛应用。

关键词: 乙醇精馏, 串级调节, PLC, PID, 组态软件

Abstract: The ethanol rectification device is the plant in which 95% ethanol is thrice rectified to make it anhydrous ethanol. The process is a batch reaction, the control system uses PLC multi-loop of the series-wound adjustment, to improve the precision of control and the automation. The advantages such as flexible control of PLC, multiple functions, the convenient key technical parameters setting and the open-and-shut interface of the operating system etc. Will finally make it applied extensively in the ethanol rectification device.

Key words: Ethanol rectification, Series-wound adjustment, PLC, PID, Configuration software

引用本文

荆 珂, 孙文志, 李晓红. PLC在乙醇精馏装置中的应用[J]. 辽宁石油化工大学学报, 2008, 28(2): 25-27.

JING Ke, SUN Wen -zhi, LI Xiao -hong. Application of PLC in Ethanol Rectification Device[J]. Journal of Liaoning Petrochemical University, 2008, 28(2): 25-27.

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