摘要：In order to improve the accuracy, sensitivity, reliability, stability and maintainability of the coal mine safety monitoring system, and enhance the coal mine safety guarantee ability, combined with the national coal mine environmental monitoring network construction scheme and the coal mine safety production and environmental monitoring management regulations, the coal mine safety production status and environmental data are analyzed. In order to improve the production efficiency and provide reliable guarantee for the safety production of coal mine, the monitoring system of harmful gas in the working site of coal mine roadway is established.
