采煤工作面下行通风采空区瓦斯管理探讨

Investigate the gas management in gobs of working face downward ventilation

通过分析下行通风采煤工作面采空区瓦斯运移及漏风特点,找出了影响采空区瓦斯涌出的原因,从稳定通风系统角度,指出了防止采空区瓦斯大量涌出的安全措施,对下行通风工作面瓦斯管理有一定的借鉴意义。

Through the analysis of the gas migration and leakage characteristics in goaf of using downward ventilation working face, found out the reason of the influence of gas emission in gobs, from the point of view of stability of ventilation system, pointed out the security measures to prevent the discharge of a large amount of empty area gas, which have certain reference meanings to the gas management using downward ventilation working face.