Petroleum, petrochemical and natural gas are one of the most important energy sources at present，Inflammable and explosive properties of the product，It is determined that there are different risks and hidden dangers in various links such as crude oil extraction, transportation and refined oil sales，At the same time, there are many energy supply links, long lines and wide areas，It makes daily security precautions very important，For possible security incidents，Security facilities are required，Prevent it before it happens。

Petroleum, petrochemical, natural gas system is the focus of national security, once the fire or explosion and other accidents, will cause heavy casualties and serious losses of national property。