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化工进展  2015 

基于符号有向图分析的炼油厂中渣油催化裂化危险与可操作性

DOI: 10.16085/j.issn.1000-6613.2015.04.048, PP. 1178-1182

Keywords: 安全,动态,计算机模拟,HAZOP分析,SDG分析

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Abstract:

作为危险与可操作性(HAZOP)研究的一门辅助技术,符号有向图(SDG)分析技术迅速得到普及.仿真工厂数据是流程工业在线数据最理想的近似,能够体现过程变量之间的相互关系.本文以石油化工典型的渣油催化裂化装置为例,将SDG分析与基于机理模型的动态流程模拟仿真工厂结合起来,通过仿真工厂数据形成专家经验,进而在SDG辅助平台实施HAZOP分析,此外,分析结果也可以进一步作为HAZOP分析的知识库.同时,仿真工厂又可以验证事故传播路径,从而起到筛选SDG生成的事故序列的作用.相比于传统的专家组会议而言,将仿真工厂模拟数据运用于SDG分析中,能大幅缩短HAZOP分析时间,减少人员及投资,并且获得更为全面、准确的分析结果.

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