Security risk evaluation of China's coal enterprises based on risk matrix

Coal is main energy in China. It is important to national energy security of coal mine safety of development of coal industry. For the security risk of coal enterprise is the foundation to ensure the accurate assessment of coal enterprise safety. Based on preliminary analysis theory and summarizes the domestic and foreign research on risk evaluation for coal, according to principle about the risks of the theory, combined with the actual situation of the security risk of Chinese coal enterprises, the safety risk evaluation index system has been constructed. Sequence of risk factors determining with the evaluation index system of Chinese coal enterprise utilized risk matrix, coal enterprises safety key risk factors has been determined too. Results show that the safety investment of Chinese coal enterprises is the most important risk factor, it is also important to improve the operating procedures and the implementation of the security system. Security risk managements in Chinese coal enterprises,eed to focus on the key factors affecting the safety risk monitoring and control.