CKR2钻机施工软煤层抽采钻孔技术探究

Exploration of Drilling Technology for Soft Coal Seam Extraction With CKR2 Drilling Rig

为了更好地预抽井下本煤层煤体瓦斯,提高松软煤层瓦斯抽放钻孔施工的成孔率,晟泰公司(古书院矿)组织实施软煤层瓦斯抽采技术研究,通过沟通、协调,相关部门安排我单位在晋能控股煤业集团赵庄煤业公司1104盘区回风大巷内松软煤层中使用CKR2型煤矿坑道钻机利用双壁钻杆进行反循环钻进,试验施工本煤层抽采钻孔,对煤体瓦斯进行预抽。本次工程于2022年3月8日开始施工,2022年3月18日结束。完成了巷内本煤层瓦斯抽采试验钻孔的施工,达到了技术探究、设备改进目的。

In order to better pre pump the gas of the coal seam underground and improve the hole formation rate of gas drainage drilling construction in soft coal seams,Shengtai Company(Gushuyuan Mine)organized and implemented the research on gas drainage technology in soft coal seams.Through communication and coordination,the relevant departments arranged our company to use CKR2 coal mine tunnel drilling machine to carry out reverse circulation drilling with double wall drill rods in the loose coal seam in the return air roadway in panel 1104 of Zhaozhuang Coal Industry Company of Jinneng Holding Coal Industry Group.The purpose of the trial construction of the coal seam extraction drilling hole is to pre extract the coal gas.The construction of this project began on March 8,2022 and ended on March 18,2022.The construction of gas extraction test boreholes in this coal seam in the roadway has been completed,and the purpose of technical exploration and equipment improvement has been achieved.