902023年第2期浅埋深煤层开采地表漏风规律及封堵技术王三伟1谢伟2师吉林3(1.国网能源哈密煤电有限公司,新疆哈密839122;2.中国大唐集团能源投资有限责任公司,陕西西安710000;3.中煤科工集团沈阳研究院有限公司,辽宁抚顺113122)摘要浅埋深煤层开采后引发的地表漏风易致采空区遗煤自燃,为治理地表漏风,对大南湖一矿综放面地表裂隙分布范围及宽度进行了实测及绘图,基于SF6示踪气体检漏技术,定性、定量研究了地表漏风规律,得到了不同地表裂隙治理后的漏风量计算方法,形成了适用于大南湖一矿浅埋深煤层开采的地表裂隙封堵技术。关键词浅埋深;煤层开采;地表裂隙;漏风量;封堵中图分类号TD728文献标识码Bdoi:10.3969/j.issn.1005-2801.2023.02.033LawofSurfaceAirLeakageandPluggingTechnologyinShallowBuriedandDeepCoalSeamMiningWangSanwei1XieWei2ShiJilin3(1.NationalGridEnergyHamiCoalandPowerCo.,Ltd.,XinjiangHami839122;2.ChinaDatangGroup,EnergyInvestmentCo.,Ltd.,ShaanxiXi'an710000;3.ChinaCoalScienceandIndustryGroup,ShenyangResearchInstituteCo.,Ltd.,LiaoningFushun113122)Abstract:Surfaceairleakagecausedbyshallowburiedanddeepcoalseamminingiseasytocausespontaneouscombustionofresidualcoalingoaf.Inordertocontrolsurfaceairleakage,thedistributionrangeandwidthofsurfacecracksinfullymechanizedtopcoalcavingfaceofDananhuNo.1Minearemeasuredandplotted.BasedontheSF6tracergasleakdetectiontechnology,thelawofsurfaceairleakageisstudiedqualitativelyandquantitatively,andthecalculationmethodsofairleakageaftertreatmentofdifferentsurfacecracksareobtained.ThesurfacecrackpluggingtechnologysuitableforshallowburiedanddeepcoalseammininginDananhuNo.1Mineisformed.Keywords:shallowburieddepth;coalseammining;surfacefissure;airleakage;plugging收稿日期2022-08-03作者简介王三伟(1986—),男,甘肃张掖人,2013年毕业于西安科技大学能源学院采矿工程专业,本科,助理工程师,从事“一通三防”技术管理专业。研究方向:矿山安全。王三伟等:浅埋深煤层开采地表漏风规律及封堵技术王三伟等:浅埋深煤层开采地表漏风规律及封堵技术浅埋深煤层埋藏浅、覆岩薄,而综放开采煤层采厚大,导致采动裂隙带可直达地表。在矿井负压作用下,地表空气通过导气裂隙进入采空区与工作面,易引发采空区遗...