安全仪表系统的设计与应用  

Design and Application of Safety Instrumented System

作　　者：齐斌 Qi Bin(Shandong Qilu Petrochemical Engineering Co.Ltd.,Linzi,255400,China)

机构地区：[1]山东齐鲁石化工程有限公司电控室,山东临淄255400

出　　处：《石油化工自动化》2021年第S01期38-41,共4页Automation in Petro-chemical Industry

摘　　要：阐述了安全仪表系统(SIS)的定义及相关概念,介绍了现行的相关设计标准,以碳五球罐改造为例,结合工作实践,以HAZOP分析及LOPA分析为基础,按照SIS的设计原则,完成了碳五深加工装置及其罐区的SIS设计改造,消除了实际存在的安全隐患,确保了装置和罐区的稳定、可靠运行。The definition and related concept of safety instrumented system(SIS)are expounded.The current related design standard is introduced.Taking the modification of the spherical tank for C5 as the case with combination of the working practice,and with the HAZOP and LOPA as the base,according to SIS design principle,the SIS design modification for C-5 deep processing installation and its tank-farm are completed.The subsistent potential safety risk is eliminated.The stable and reliable operation of the installation and the tank-farm are guaranteed.

关 键 词：安全仪表系统 安全完整性等级 安全仪表功能 HAZOP分析 三重化冗余 

分 类 号：TQ086[化学工程]