化工企业动火作业事故直接原因危险度及关联性探究

doi:10.16039/j.cnki.cn22-1249.2020.09014

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摘要

为有效预防化工企业动火作业事故，应用事故致因“2-4”模型，以2015年至2020年化工企业发生的16起动火作业事故为样本，分析直接原因的危险程度并明确关联性。结果表明不安全动作原因中未分析、检测可燃性气体浓度或检测不到位（UA₅）及未制定有效的气体检测程序（UA₆）的危险性最高R_UA6=0.611，不安全物态原因中形成可燃性气体或者气体达到爆炸极限（UC₇）的危险程度最高R_UC7=0.626。关联分析中不安全动作触发路径最多占总路径的82.98%。关联差异要素最多的不安全动作为“未制止违章作业（UA₁₄）”，不安全物态为“残留的燃爆物质（UC₁）及材料的合规性（UC₅）”，明确了不安全动作原因是事故控制的要点。研究结果可作为动火作业事故预防的主要依据，为针对性管控措施的实施提供理论参考。

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	付净
	程慧慧
	韩子鹏
	徐省

关键词: 化工企业动火作业事故 24Model 不安全动作不安全物态

Abstract:

In order to effectively prevent fire accidents in chemical enterprises, 24Model is taken to analyze the risk degree of direct causes and clarify the correlation, based on 16 fire accidents occurred in chemical enterprises from 2015 to 2020. The results show that undetected gas concentration (UA₅) and no effective gas detection procedures in place (UA₆) are dangerous with maximum risk R_UA6=0.611. The formation of flammable gases or gases in unsafe physical conditions reaches the explosion limit are dangerous with maximum risk R_UC7=0.626. Additionally, unsafe action trigger path accounts for 82.98% of the total path at most. Unsafe action with the most associated differences is "unstopped illegal operations”, unsafe condition is "residual explosive substance (UC₁) and material compliance (UC₅)". The main point of accident control is to clarify the cause of unsafe action. The research results can be used as the main basis for the prevention of fire accidents and provide theoretical reference for the implementation of targeted control measures.

Key words: chemical enterprise fire accident 24 Model unsafe act unsafe condition

出版日期: 2020-09-25 发布日期: 2020-09-25 整期出版日期: 2020-09-25

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引用本文:

付净, 程慧慧, 韩子鹏, 徐省. 化工企业动火作业事故直接原因危险度及关联性探究 [J]. 吉林化工学院学报, 2020, 37(9): 60-63.
FU Jing, CHENG Huihui, HAN Zipeng, XU Xing. Analysis on the Risk and Relevance of Direct Cause of Fire Operation Accident in Chemical Enterprises . Journal of Jilin Institute of Chemical Technology, 2020, 37(9): 60-63.

链接本文:

https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2020.09014 或 https://xuebao.jlict.edu.cn/CN/Y2020/V37/I9/60

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