【摘要】：針對(duì)淮北礦業(yè)集團(tuán)蘆嶺煤礦煤層松軟、抽采鉆孔易坍塌、抽采率較低等問(wèn)題,利用新型鉆護(hù)一體化護(hù)壁技術(shù)可以實(shí)現(xiàn)在大通徑低螺旋鉆桿內(nèi)下支護(hù)篩管。對(duì)鉆桿的凸棱進(jìn)行參數(shù)優(yōu)化并對(duì)支護(hù)篩管進(jìn)行力學(xué)特性分析,聯(lián)合配套機(jī)具,形成鉆護(hù)一體化護(hù)壁工藝系統(tǒng)。
[Abstract]:Aiming at the problems of soft coal seam, easy collapse of extraction borehole and low extraction rate in Luling Coal Mine of Huaibei Mining Group, a new type of integrated wall protection technology with drilling and protection can be used to support screen pipe in large diameter and low spiral drill pipe. Drilling and protecting integrated wall protection technology system.
【作者單位】： 華北科技學(xué)院;
【基金】：中央高�；究蒲袠I(yè)務(wù)費(fèi)資助項(xiàng)目(3142015063)
【分類號(hào)】：TD712.6
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本文編號(hào)：2181011