文章从设计及应用角度介绍了由PLC、上位机等组成的一套实用型脱硫控制方案。 关键词:可编程控制器、控制系统、PID 调节、脱硫 ABSTRACT:Desulfurized control system,which is composed of PLC and computer etc., is introduced in the article from point of view of design and application. KEYWORDS:PLC;Control system;PID;Desulfurize