Shanxi Lu'an Environmental Protection Energy Development Co.

基于五阳煤矿80采区煤层多分支瓦斯预抽采施工方案,为进一步优化施工参数,对多分支抽采进行了数学建模,并研究了多分支抽采模型的主抽采孔孔径及其角度两项参数对于瓦斯抽采效果的影响,得到了增加主抽采孔孔径、调整合适的主抽采钻孔角度对于抽采效果有显著影响的结论。

Based on the construction scheme for multi branch gas pre drainage in the No.80 mining area of Wuyang Coal Mine, in order to further optimize the construction parameters, mathematical modeling is conducted for multi branch drainage, and the impact of two parameters of main drainage hole diameter and its angle of the multi branch drainage model on the gas drainage effect is studied. It is concluded that increasing the main drainage hole diameter and adjusting the appropriate main drainage drilling angle have a significant impact on the drainage effect.