In order to control gas emission abnormal area, through field investigation and data analysis to 13290 working face in Wannian Mine , according to scraper conveyor trough, haul lane and cut hole different conditions , plans were made respectively. Scraper conveyor trough used adjacent goaf drainage of coal seam gas; Haul lane used advanced drilling extraction dug; Cut used the scraper conveyor trough construction drilling relief, pre-pumping gas. The comprehensive treatment of gas anomalies, alleviated the mine region join the passive situation of tension, provided reference for dealing with similar problems in future.
