石化装置串压问题及其安全完整性评估  

High-pressure Letdown Problem in Petrochemical Plants and Its Safety Integrity Assessment

作　　者：庄力健[1] 朱建新[1] 陈学东[1] 方向荣[1] 袁文彬[1] 

机构地区：[1]合肥通用机械研究院,安徽合肥230031

出　　处：《石油化工设备》2011年第4期20-24,共5页Petro-Chemical Equipment

基　　金：国家"十一五"科技支撑计划重点项目(2006BAK02B02);安徽省国际科技合作项目(0808070302);安徽省自然科学基金项目(11040606M106)

摘　　要：对安全联锁系统(SIS)安全完整性定量评估中所发现的石化装置串压问题以及预防串压危险联锁系统的必要性进行了详细的探讨,提出了改进意见。开发了一套在发生串压时,管网流量以及压降的计算方法,并通过实例进行了说明,此研究结果对提高串压系统工艺及联锁系统设计具有一定的参考意义。The necessity and sufficiency of the safety instrumented system which prevented the high-pressure letdown was discussed,and improvement suggestions were proposed.The high-pressure letdown flux and pressure drop were calculated by a newly developed calculation method which was explained by a detailed example.The results of the research had reference significance in the improvement of the high-pressure letdown technology and the design of safety instrumented system.

关 键 词：石化装置 安全联锁系统 安全完整性等级 串压 压降 

分 类 号：TQ050.7[化学工程] TH47[机械工程—机械制造及自动化]