| 平煤十矿本煤层深孔施工装备及工艺研究应用 |
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| 引用本文： | 马红伟.平煤十矿本煤层深孔施工装备及工艺研究应用[J].煤炭科学技术,2009(10). |
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| 作者姓名： | 马红伟 |
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| 作者单位： | 平顶山天安煤业股份有限公司十矿; |
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| 摘 要： | 为解决本煤层打钻施工过程中,钻杆发热、瓦斯涌出形成喷孔、卡钻和成孔率低等问题,研发CMS1-1200/30 J新型煤矿用液压深孔钻车,其由主机液压系统、履带行走部、工作机构、机架、泵站和钻具等6部分组成,通过在钻孔设计、新型钻具和打钻工艺的研究试验表明,使用螺旋钻杆避免了钻杆壁与同一处煤粉长期摩擦而起热,减少了钻孔口产尘量,有效孔径大,完全实现由钻杆旋转的自排粉的功能,平均孔深83.5 m,提高了突出煤层中钻孔施工深度,成孔率在65%以上,提高煤层瓦斯释放和抽放效果,消除松软煤层瓦斯突出,实现安全生产。
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| 关 键 词： | 深孔打钻 钻具改进 打钻工艺 |
Research and Application of In-seam Deep Borehole Construction Equipment and Technique in Pingdingshan No.10 Mine |
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| MA Hong-wei.Research and Application of In-seam Deep Borehole Construction Equipment and Technique in Pingdingshan No.10 Mine[J].Coal Science and Technology,2009(10). |
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| Authors: | MA Hong-wei |
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| Affiliation: | No.10 Mine;Pingdingshan Tian'an Coal Mining Corporation Ltd.;Pingdingshan 467000;China |
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| Abstract: | In order to solve the drilling rod over heating,gas emission outburst,drilling bit jammed and low borehole completed occurred in the in-seam borehole drilling operation,a CMS1-1200/30J mine hydraulic deep borehole drilling rig was developed.The drilling rig is consisted with the hydraulic system,crawler part,working mechanism,frame,pump station and drilling tools.The research and experiment of the borehole design,new drilling tools and drilling technique showed that the application of the screw drilling rod... |
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| Keywords: | deep borehole drilling drilling tools improvement drilling technique |
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