摘要：从系统结构、系统配置、重要控制项目及系统的联锁控制等方面介绍PLC在竖炉球团生产自控系统中的应用。通过三年多的应用，表明其系统的可靠性高、操作简单、独立工作性强。
关键字：竖炉，球团，PLC控制

Abstract：This paper is on the structure, configuration and important control item of the PLC control system, which is used in autocontrol system of the Shaft Furnace & Rotundity Plant. More than three-year application, It’s proved that the system is excellent-reliability, simple- operation and high-independency.
Keywords：shaft furnace, rotundity project, PLC control