The media involved in the petrochemical industry are flammable and explosive,so strengthening research on the selection and safe application of explosion-proof electrical equipment is of great significance in ensuring safe production and operation.On the basis of analyzing the characteristics of intrinsic safety explosion-proof technology for electrical equipment in petrochemical enterprises,it combines typical cases such as explosion-proof distribution boxes,explosion-proof motors,and explosion-proof instruments to deeply explore the practical application of intrinsic safety explosion-proof technology in electrical equipment renovation.Suggestions have been put forward to address the existing problems,including improving standard specifications,strengthening type testing,enhancing full lifecycle management,increasing research and development of new technologies,and enhancing personnel quality.