介绍了爆破一次成井技术在漂塘钨矿的应用实践，提出了爆破一次成井的掏槽方式，爆破参数的设计计算方法和炮孔的施工要求。
The undermine method of well drilling technology once of blasting is put forward as well as the calculation of blasting parameters and the demand of implementation for hole.
结果表明，加料顺序、加料方式、成胶温度、老化时间、搅拌速率以及干燥焙烧等因素对孔结构均有明显影响。
The results showed that sequence and way of feeding, reaction temperature, time of aging, stirring speed and drying and calcinations had remarkable influence on the pore structure.
通过采用KTY4000型钻机和KPG3000A两种机型工程钻机成孔，排渣方式为气举反循环，以解决糊钻、PHP泥浆应用、钻机选型等问题。
The spread drill, application of PHP mud and choice of machine are solved by adopting two machines of KTY4000 and KPG3000A. Besides, the airlift reversing circulation is selected in slag discharge.
应用推荐