In order to understand the characteristics of hazardous chemical accidents and prevent the hazardous chemical accidents

more than 300 typical hazardous chemical accidents occurred in history at home and abroad are studied and analyzed. The analysis results show that: the most common types of hazardous chemical accidents are fire and explosion. High temperature season of Summer is a period prone to major accidents and frequent occurrences

which makes the safety work of hazardous chemicals in this period special and complex. Production (operation) links

operation and maintenance links and storage links are the focus of accident prevention

and violations of laws and regulations are the cause of the accidents. According to the actual situation of hazardous chemicals in Sichuan power grid

specific accident prevention measures are proposed to provide a reference for ensuring the continued stability of safety situation of hazardous chemicals in Sichuan power grid.