工作面采空区自燃“三带”分布规律及自然发火危险性评判

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中图分类号： TD75+2 文献标志码：A 文章编号：2095-2945（2025）23-0085-04

Abstract：Inorder toaccuratelyassesstheriskofspontaneouscombustioninthegoafoftheworkingfaceandformulate efective preventionandcontrolmeasures，thispapertakes YuenanCoal Mineasanengineeringbackgroundand studiesand monitorsthedistributionlawofthe"threezones"of spontaneouscombustionbyembedingtemperaturesensorsandbundlepipes inthegoaf.Atthesame time，thespontaneouscombustionrisk index methodwasusedtocomprehensivelyevaluate the spontaneouscombustionriskofgoafbasedon16keyindicatorssuchasminepresureandventiltionconditions.Studieshave shownthatthedistributionofthe"threezones"ofspontaneouscombustionhasobviousregularityinspace，andthehightemperatureareasareconcentratedinspecificlocations.Theriskindexasessmentshowsthatthereisacertainriskof spontaneouscombustion.Theresultsarebasicalyconsistentwiththeon-siteobservationdata，whichprovesthereliabilityand accuracy of the evaluation system and can accurately judge the risk of spontaneous combustion.

Keywords：gob-sideentryretention;goaf;"threzone"ofspontaneouscombustion;riskassessment;observationdata

沿空留巷技术作为一种无煤柱护巷方式，在减少巷道掘进量、缓解采掘接替矛盾、取消孤岛工作面等方面优势突出。（剩余2462字）