Abstract: In this paper,technology for water injection by long bore hole in fully mechanized mining face was studied,relevant experience and some parameter were acquired,which provide a reference for using this method in similar faces.

• 文摘:以郑州矿区典型的“三软”煤层综放工作面为对象，试验研究了长钻孔注水防尘技术，取得了“三软”煤层长钻孔注水经验和参数，为郑州矿区类似条件的工作面推广该方法提供了参考。