论文部分内容阅读
牙轮钻机在穿孔作业中．在其钻杆与钻头之间有一过渡接头——稳杆器。使用稳杆器不仅能提高钻孔速度，而且还能提高钻头和钻杆的使用寿命，它是牙轮钻机穿孔作业必不可少的工具。牙轮钻机目前所采用的两种除尘方法——干式除尘和湿式除尘都存在不足之处。干式除尘所需装备尺寸
Drill rig in perforation operation. There is a transition joint between the drill pipe and the drill bit - stabilizer rod. The use of a stabilizer rod not only increases the drilling speed, but also increases the life of the drill bit and drill pipe. It is an indispensable tool for piercing a roller cone drill. Two types of dust removal methods currently used in cone drills-dry dust removal and wet dust removal-are inadequate. Dry dust required equipment size