|本期目录/Table of Contents|

[1]方来华,吴宗之,康荣学,等.安全仪表系统的性能维护及指标值计算[J].中国安全生产科学技术,2011,7(11):46.
　FANG Lai-hua,WU Zong-zhi,KANG Rong-xue,et al.Performance maintenance and indicator value calculation of safety instrumented system[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2011,7(11):46.
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安全仪表系统的性能维护及指标值计算
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
7
期数:
2011年11期
页码:
46
栏目:
学术论著
出版日期:
2011-11-30

文章信息/Info

Title:
Performance maintenance and indicator value calculation of safety instrumented system
作者:
方来华； 吴宗之； 康荣学； 张悦；
中国安全生产科学研究院； 中国矿业大学(北京)资源与安全工程学院；
Author(s):
FANG Lai-hua1; WU Zong-zhi1; KANG Rong-xue1; ZHANG Yue2
1.China Academy of Safety Science & Technology,Beijing 100012,China)(2.Faculty of Resources and Safety Engineering;China University of Mining and Technology,Beijing 100083,China
关键词:
安全仪表系统;  性能指标;  失效率;  安全完整性等级;  测试间隔
Keywords:
safety instrumented system;  performance indicator;  failure rate;  safety integrity level;  test interval
分类号:
TH70
DOI:
-
文献标志码:
-
摘要:
安全仪表系统(SIS)作为保障工业生产安全的重要措施,需要在危险发生时正确地执行其安全功能,采取有效措施维持安全仪表系统在运行阶段的性能是保障系统功能安全的关键。详细阐明了SIS在运行阶段应遵循风险评估分析、安全功能分配文件、安全要求规范、安全分析报告、安全完整性等级符合性等重要文档中的要求,给出了维持SIS安全完整性的主要活动,并在加强旁路、禁止和超驰控制管理,对SIS失效的响应、记录和分析,进行定期检查、维护和功能测试以及安全仪表系统的变更管理等方面提出了要求。提出了SIS的安全性能指标及目标值的简易计算方法,给出失效率更新流程、计算方法和功能安全测试间隔调整技术。所提的技术方法为如何保证安全仪表系统运行阶段的安全性能提供了有力指导,其可操作性强,便于在实际工程中进行应用。
Abstract:
Safety Instrumented System(SIS) is an important measure to guarantee industrial production safety,which implements its safety function in case of danger occurrence.Effective measures should be taken to maintain SIS’s performance in operating phase.Various requirements in significant documentations,such as risk analysis,safety function allocation documentation,safety requirements specifications,safety analysis reports,safety integrity level(SIL) compliance documentation,that should be fulfilled and major activities to maintain system safety integrity,are expounded in detail.Requirements of management of bypasses,inhibits and overrides,recording and analysis of SIS failures,regular inspection,maintenance and function testing,and management of change are proposed,Safety performance indicator and its target value calculation approach are proposed.Failure rate updating procedure,calculation mean and techniques of test interval adjustment for functional safety are given.The mentioned techniques provide good guidance in maintaining safety performance in operation phase,which is easy to implement in practical engineer application.

参考文献/References:

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备注/Memo

备注/Memo:
中国安科院基本科研业务(编号:2011JBKY04)
更新日期/Last Update: 2012-01-09