Petrochemical refers to oil and natural gas as raw material, through physical, chemical and mechanical processing and preparation of various petrochemical products industry. It involves all areas of the national economy, is an important and indispensable national economy industries and pillar industries of the national economy in the national economy occupies a very important position. Petrochemical industry complex production processes, equipment variety, is a more complex process, highly technical industries. As used in the production process of raw materials, semi-finished and finished products as well as a large variety of support materials are flammable and explosive substances, can easily lead to fires and oil equipment, and the fire is not easy when the fierce fire fight in the past 20 years, the world petrochemical industry very rapidly, which caused a major fire and explosion accidents have also continued. For example: in 1973 and 1974 occurred in Japan's oil conglomerate continuous fire and explosion accident not only oil press machine and property losses, but also the serious pollution of the surrounding waters. 1975 U.S. Ante Pu Belgian company Union Carbide factory produce 150,000 t of high-pressure polyethylene plant, due to a leakage of reactor filler lid, heat blast, chain reaction, the entire factory was destroyed. Occurred in Spain in 1978, due to super-suits and sun exposure resulting acrylic plant explosion killed more than 200 people once. 1982 Caracas near a large power plants oil tank exploded, killing 145 people were killed and 500 wounded, it suffered heavy casualties in the world oil tank fires are rare.