瓦斯治理机械扩孔快速卸压增透技术及应用

Rapid Pressure Relief and Permeability Increasing Technology of Gas Control Mechanical Reaming and Its Application

针对顺和煤矿2404工作面因煤层厚度、硬度较大,冲孔效率较低,采用现有施工抽采钻孔的方法来治理瓦斯效果差等问题,提出了新的方法以适应于实际工作环境,采用更为有效的钻孔方法,达到更好的瓦斯治理效果。该方法经过在2404轨道顺槽底抽巷的实际使用,瓦斯抽采效果良好。

In view of the poor gas control effect of the existing construction extraction drilling method due to the large thickness and hardness of coal seam and low punching efficiency in the 2404 working face of Shunhe Coal Mine,a new method is put forward to adapt to the actual working environment.More effective drilling method is adopted to achieve better gas control effect.This method has been used in the bottom drainage roadway of the 2404 track,and the gas drainage effect is good.