气动或液动冲击回转双管正循环钻进工艺及MD-100型锚固工程钻机  

Pneumatic or Hydraulic Percussive rotary Dual Tube Normal Circulation Drilling Process and MD-100 Anchor Drill

作　　者：范存孝[1] 陈修星[1] 黄克杰 卞文建 

机构地区：[1]中国地质科学院勘探技术研究所,河北廊坊065000 [2]江苏省无锡探矿机械总厂,江苏无锡214026

出　　处：《探矿工程》2001年第6期37-39,41,共4页Exploration Engineering(Drilling & Tunneling)

基　　金：中国地质调查局地质调查项目 (DK990 2 10 8)

摘　　要：针对岩土锚固成孔的难题 ,提出适合复杂地层锚固钻进的新工艺“双管钻进”工艺 ,并结合新工艺应用 ,研制了新型锚固工程钻机。详细介绍了“双管钻进”方法和钻机情况。A new process suitable for anchor drilling in difficult formation, Dual Tube Drilling Process, is put forward in respect of the difficulty in anchor hole completion. A new anchor drill has been successfully developed. The dual tube drilling process and the anchor drill is detailed.

关 键 词：液动冲击回转双管正循环钻进 跟管钻进 套管连接器 液动潜孔锤 锚固工程钻机 

分 类 号：P634.56[天文地球—地质矿产勘探] P634.31[天文地球—地质学]