紧急停车系统在催化裂解装置中的应用

Application of Emergency Shutdown Device in the Catalytic Cracking Unit

以催化裂解装置主风机组所采用的ESD(紧急停车)系统为例,介绍了ESD系统的功能特点、软硬件配置以及在联锁控制等方面的应用。

Taking the emergency shutdown devic（e ESD）used in main fan unit of catalytic cracking plant as an example,functions and characteristics,software and hardware configuration of ESD system were introduced as well as its application in interlock control.