摘要
分程控制是一个调节器的输出去带动两个或两个以上的调节阀工作,每个调节阀仅在调节器输出的某段信号范围内动作。分程控制作为一种典型的控制方案,已在很多石化装置中普遍应用。本文介绍了分程控制的基本概念及在石油化工行业实践应用中的几种典型的应用实例,并结合现场实际应用情况对其进行了优化,详细描述了"硬分程"和"软分程"在现实生产过程中是如何实现的。并阐述了分程控制在实际应用中的注意事项。
As a typical control scheme,the split range control has been widely used in many petrochemical plants.The basic concepts of the split range control and several typical application examples were introduced. The actual application situation of the field was optimized,and the practical application of the split range control was expounded.Matters needing attention in were discussed.
出处
《广州化工》
CAS
2016年第17期168-171,共4页
GuangZhou Chemical Industry
关键词
分程控制
调节器
调节阀
分程模块
split range control
regulator
control valve
split range module
