摘要
本文根据某厂芳烃联合装置加氢处理反应器加热炉联锁保护的要求,分析了采用可编程控制器作为控制装置的优点,并提出了如何采用可编程控制器设计的方案。
This paper presents a case study of interlocking protection systemof heater for hydrotreating reaction chamber in an aromatic's complex unit, The paper analyses the superiority of using programmable controller in this interiocking proteation system, and puts forward how to uses programmable controller.