定向深孔钻进技术在回采巷道机掘工作面探放水工程中的应用

Directional Deep Borehole Drilling Technology Applied to Water Detection and Drainage in Mechanized Gateway Driving Face of Coal Mining Face

母杜柴登煤矿30201工作面2条机掘回风巷施工中,采用煤炭科学研究总院西安研究院生产的ZDY-6000LD型履带式全液压坑道定向深孔钻机,在2条巷道中间的钻场内,定向钻进1个主孔、2个分支孔,对巷道上方或下方18m、左右各30m范围内的地层含水情况进行探测,实现了长距离探放水优质、快速施工,取得了较好的效果。

In a construction of two mechanized driving air returning gateways of No.30201 coal mining face in Mudu Chaideng Mine,a ZDY-6000 LD model crawler type full hydraulic tunnel directional drilling rig manufactured by Xi＇an Research Institute of China Coal Research Institute was applied to make directional drillings of one main borehole and two branch boreholes in a drilling field between the two gateways.Water detection was conducted on the water bearing conditions of the strata with a borehole depth of 18 mabove and below the gateway and a left and right of 30 m.A quality long distance water detection and drainage and a rapid construction was realized with a good effect.