碎软煤层高速螺旋钻探装备研制与实践  

Development and Practice of High-speed Spiral Drilling Equipment for Broken Soft Coal Seam

作　　者：段会军 Duan Huijun(CCTEG Xi’an Research Institute(Group)Co.,Ltd.,Xi’an 710077,China)

机构地区：[1]中煤科工西安研究院(集团)有限公司,西安710077

出　　处：《煤矿机械》2024年第10期165-168,共4页Coal Mine Machinery

基　　金：国家重点研发计划项目(2022YFC3005900);陕西省自然科学基础研究计划项目(2023-JC-YB-341);陕西省重点研发计划项目(2023-YBGY-319)。

摘　　要：针对王坡煤矿碎软煤层钻孔施工排渣难、事故率高、成孔难等问题,设计了高转速履带式钻机、配套螺旋钻杆及三角梯齿钻头,能够有效地解决在钻进过程中出现的卡钻、塌孔等问题。现场工业性试验表明,该套钻探装备有效解决了施工过程中存在的排渣难、喷孔顶钻等问题,提高了钻孔成孔率,为矿井本煤层瓦斯抽采提供了重要支撑。Aiming at the problems of difficult slag discharge,high accident rate and difficult hole forming in the drilling construction of broken soft coal seam in Wangpo coal mine,a high-speed crawler drilling rig,supporting spiral drill pipe and triangular ladder bit were designed,which can effectively solve the problems of sticking and hole collapse in the drilling process.The field industrial tests show that the set of drilling equipment effectively solves the problems of difficult slag discharge and jet hole top drilling in the construction process,and improves the hole forming rate,which provides an important support for gas extraction in this coal seam of the mine.

关 键 词：碎软煤层 高速钻机 螺旋钻杆 瓦斯抽采 现场试验 

分 类 号：TD41[矿业工程—矿山机电]