综采工作面沼气涌出和分布规律分析焦作矿业学院莫亚林，高建良，汪细春随着煤炭工业的发展、综合机械化采煤的应用和推广，大大加快了回采工作面的推进速度，工作面单产成倍增长。在高沼气矿井的综采工作面，由于生产的高度集中和高强度回采，采面沼气涌出量大大增加，经... With the development of coal industry, the application and popularization of mechanized coal mining has greatly accelerated the progress of mining face, and the yield per unit area of ​​working face multiply. In the fully mechanized mining face with high methane gas mines, the biodiesel emission increases greatly due to the highly concentrated and high-intensity production.