大气压力对济三煤矿综采区瓦斯涌出的影响

Atmosphere pressure affected to gas emission from goaf of fully mechanized top coal caving mining face in Jining No.3 Coal Mine

研究济三煤矿综放工作面采空区的特征和瓦斯积存状态以及瓦斯分布和运移规律;分析气象参数等变化对采空区瓦斯异常涌出的显著影响,提出了大空间综放采空区瓦斯防范及管理措施。

The paper studied the goaf features and goaf gas accumulation status of the fully mechanized top coal caving mining face in Jining No.3 Coal Mine and studied the gas distribution and migration law in the goaf.The paper analyzed the meteorological parameters and other variation obviously affected to the gas abnormal emission from the goaf.The quantitative analysis was conducted in the paper.A research on the occurred disaster mechanism was conducted.The paper provided the gas prevention and control measures ...