Gray prediction model for prevention and control of coal mine safety risk system application

China's coal mines for safety management at the moment,the problems,analysis of foreign coal mine safety management experience,established a coal business risk pre-control system.In this system,through hazard identification,safety checks,using the method of gray forecasting model to predict the hazard level,with the standard grades were analyzed in order to take effective measures to contain the hazards in the bud,put forward an effective security management mode and long-term management mechanisms.