(57av) Analysis and Countermeasures of Urban Gas Accidents 

Abstract: Low-carbon economy, energy saving and emission reduction and energy structure adjustment policies promote the urban gas industry to rapidly and sturdily. Although the urban gas industry vigorous development, but due to a variety of supporting facilities is not perfect, some users of the safety awareness and other reasons, gas leakage, poisoning, fire and explosion accidents have occurred in recent years, seriously affected the healthy development of urban gas. The urban gas in China is composed of source gas such as natural gas，liquefied petroleum gas and manufactured gas. In this paper, combined with the risk characteristics of urban gas, analyzed reason of the urban gas accident and the existing problems, combined with existing technology put forward corresponding prevention and countermeasure, provide technical support for the safety management of China's urban gas.

Key words: urban gas; accident; fire and explosion; prevention; countermeasure research