Dynamic Analysis Method of Comprehensive Information on Gas Disaster Prevention and Control of Coal Mining Face

In order to realize the information and fine management of the coal mining face and to eliminate the gas disaster occurred,based on the study on the coal and gas outburst mechanism,the gas parameters of the coal mining face,the geological structure deposition of the coal and different stress field distribution as the main information sources were applied to determine the gas prevention and control information factors at different stage of the coal mining face,including the geological unit of the coal mining face,controlled structure distribution,prediction indexes of coal and gas outburst in the driving process,residual gas deposit law and others.The obtained method and prediction model of the each factor in the comprehensive information were studied.According to the data features of different information,a relevant expression method was applied to establish the theoretical system of the comprehensive information dynamic analysis method of the gas prevention and control for coal mining face.The theoretical system was verified in No.12013 fully mechanized coal mining face in Zhongling Mine.The results showed that the application of the comprehensive information dynamic analysis method could realize a dynamic prediction of an outburst danger section in the coal mining face and could provide technical support to engineering personnel in production site.