触摸屏与PLC在火电厂75t/h燃烧炉粉煤灰气力输送系统的应用  

Application of Touch Screen and PLC for Fly Ash Pneumatic Conveying System for 75 t/h Burner of a Thermal Power Plant

作　　者：陈双华[1] 吴晓[1] 

机构地区：[1]莆田学院电子信息工程学系,福建莆田351100

出　　处：《硫磷设计与粉体工程》2010年第2期21-25,共5页Sulphur Phosphorus & Bulk Materials Handling Related Engineering

基　　金：福建省教育厅基金JB07154;横向2009HX07

摘　　要：气力输送系统是火力发电厂环保除尘的重要环节,科学合理地设计其控制系统,发挥其最大的效益十分必要。采用西门子S7-200控制器和威纶MT6070iH触摸屏组成控制系统,对75t/h燃烧炉的粉煤灰气力输送控制系统进行设计。离线模拟和现场实践表明,该气力输送控制系统控制简便、灵活、经济、可靠,完全可以取代工业计算机控制。Pneumatic conveying system is a key aspect in the dust collection for thermal power plant.It is essential to properly design its control system,so as to make the most use of it.A control system consisting of Siemens S7-200 controller and Weinview MT6070iH touch screen is used in the design of the control system for the fly ash pneumatic conveying for the 75 t/h burner.Off-line simulation and field practice indicate that the pneumatic conveying control system offers easy,flexible,economic and reliable control,which can fully replace the control by industrial computers.

关 键 词：气力输送 自动化控制 触摸屏 PLC 仓泵 

分 类 号：TM621.6[电气工程—电力系统及自动化]