芹池煤矿3115工作面采前突出危险性评价

在全面系统地收集芹池煤矿3115工作面开采前的瓦斯抽放资料、回风顺槽及进风顺槽的瓦斯突出预测资料并实地选取5个煤样进行相关参数的测试之上,分别使用单项指标、综合指标法和残存瓦斯含量法对该工作面进行了突出危险性评价,对工作面瓦斯抽放量及抽排率进行了计算,得出未回采的3115工作面已经消除了突出危险性。

Assessment on outburst danger before mining operation of No.3115 coal mining in Qinchi Mine

Base on the systematic collections on the gas pre-drainage information of the No.3115 coal mining face in Qinchi Mine,the gas outburst prediction information of the air retuning gateway and the air income gateway and the related parameters from the tests of 5 coal samples,the assessment on the outburst danger of the coal mining face was made individually with the unit index,comprehensive index method and remnant gas content method.The calculation on the gas drainage quantity and the gas drainage rate from the coal mining face showed that the gas outburst danger was eliminated for the proposed No.3115 coal mining face.