Analysis of the Gas Treatment Technology State and Existent Problems at the Roadway Heading Face

On the basis of analyzing the reasons of gas disasters and accidents happen ed frequently at heading face of our country's coal roadway in recent years.Contrast analysis of several gas treatment technologies commonly used in heading faces of coal mine enterprises in Jinmei group,the advantages and disadvantages of the various gas treatment technologies existing in application are analyzed.Finally the paper put forward new methods which could solve the problems of slow tunneling progress and gas transfinite caused by large gas emission at heading face in high gas mine.