大采空区强冲击地压条件下低位泄水技术与应用

田振焘, 邢延团, 张同俊

田振焘, 邢延团, 张同俊. 大采空区强冲击地压条件下低位泄水技术与应用[J]. 煤田地质与勘探, 2019, 47(S1): 70-74. DOI: 10.3969/j.issn.1001-1986.2019.S1.014
引用本文: 田振焘, 邢延团, 张同俊. 大采空区强冲击地压条件下低位泄水技术与应用[J]. 煤田地质与勘探, 2019, 47(S1): 70-74. DOI: 10.3969/j.issn.1001-1986.2019.S1.014
TIAN Zhentao, XING Yantuan, ZHANG Tongjun. Research and application of low level drainage technology under rock burst conditions in large goaf[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(S1): 70-74. DOI: 10.3969/j.issn.1001-1986.2019.S1.014
Citation: TIAN Zhentao, XING Yantuan, ZHANG Tongjun. Research and application of low level drainage technology under rock burst conditions in large goaf[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(S1): 70-74. DOI: 10.3969/j.issn.1001-1986.2019.S1.014

 

大采空区强冲击地压条件下低位泄水技术与应用

详细信息
    作者简介:

    田振焘,1987年生,男,山东聊城人,工程师,从事煤矿水文地质及管理工作.E-mail:tianzhentao19787@163.com

  • 中图分类号: TD12

Research and application of low level drainage technology under rock burst conditions in large goaf

  • 摘要: 彬长矿区亭南煤矿二盘区4煤层具有强冲击倾向性,并且向斜构造横穿二盘区。二盘区204、205、206工作面之间间隔30 m煤柱,工作面回采之后形成一个大的采空区。207工作面与大采空区间隔30 m煤柱,工作面回采期间尤其是过向斜轴部区域时受大采空区涌水威胁。为了解决207工作面回采过向斜轴部区域的防排水难题,消除邻近大采空区涌水的威胁,亭南煤矿开展了大采空区强冲击地压条件下低位泄水技术研究。在煤层底板以下30 m横穿207工作面施工低位泄水巷,并在泄水巷内向206采空区及207工作面临时水仓施工泄水钻孔,将采空区涌水引至泄水巷后外排。通过开展此研究,成功将大采空区涌水引至低位泄水巷外排,解决了工作面回采过向斜轴部区域时防排水难题,消除了大采空区涌水的威胁。研究结果为类似水文地质条件的煤矿防治水工作提供借鉴。
    Abstract: The coal seam 4 in the second panel of Tingnan Coal Mine has strong impact tendency, and the syncline structure runs across the second panel. Between theworking faces 204, 205, and 206 of the second panel, there is 30m coal pillar between the working faces. After extraction in the work faces, a large goaf is formed. The distance between the coalface 207 and the large goaf is 30m coal pillar. During the mining of the working face, especially in the overturned axis area, it is threatened by the water in the large goaf. In order to solve the problem of prevention of drainage in working face 207, low discharge technology under under rock burst conditions in large goaf was studied in Tingnan Coal Mine. Across the working surface 207, a low-level discharge lane was constructed at 30m below the coal seam floor. A discharge hole was drilled in the discharge lane into goafs 206 and temporary water silo 207, after the water in the goaf discharges outside after being led up to the discharge lane. Through the research, the water in the large goaf was successfully led to the outer row of the low-level drain roadway, solving the problem of water-proof and drainage when the working face was traversed in the inclined-axis area, and eliminating the threat of water in the large goaf.
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  • 期刊类型引用(1)

    1. 李广疆. 蒙陕矿区深部强矿压小煤柱巷道采空水综合防控技术研究. 中国资源综合利用. 2021(12): 28-33 . 百度学术

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出版历程
  • 收稿日期:  2019-06-24
  • 发布日期:  2019-09-19

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