关键词: 事故树分析法, 工作危害分析, 乙炔气柜, 火灾爆炸

Abstract: In order to control the risk of fire and explosion in the inspection and maintenance activities of acetylene gas holder,job hazard analysis（ JHA） and fault tree analysis（ FTA） methods are adopted. Firstly,job activities of acetylene gas holder are divided according to the structure of the equipment based on job hazard analysis. And then corresponding standard of hidden danger investigation is formulated according to the analysis results and the fault tree for fire and explosion of acetylene gas holder is drawn. Finally,the structure importance of the basic event is determined according to the minimal path sets obtained from the fault tree analysis. The adoption of JHA-FTA methods can not only avoid the complicated process and omissions of fault tree analysis,but also make a systematic and accurate risk analysis and improve the work efficiency. This provides a new mode of thinking for the safety management of enterprises.

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