未壓實采空區(qū)沿空掘巷防滅火技術(shù)研究.pdf

1、中固分類號；!旦2學(xué)科分類號：——論文編號密’級壘玨安徽理工大學(xué)碩士學(xué)位論文未壓實采空區(qū)沿空掘巷防滅火技術(shù)研究作者姓名：吐煎專業(yè)名稱：塞全基丕厘王捏研究方向：鹽差狃查塞壘蟲的座旦導(dǎo)師姓名：題亡蕉煎援導(dǎo)師單位：塞煎型王太堂答辯委員會主席：論文答辯日期：年月日安徽理工大學(xué)研究生處200年月日AbstmctAbstractTIlispapermainlyresearchesonthecoal’sspontaneouscombustionint

2、headjacentgoafofPanyiMine263l(3)driVingroad、vayalonggoafFirstly，theinnuenceoft11egas—f缸coal’sf0HnationinPanyinMineonthecoaI’sspontalleouscombustionisinVestigated，aIldttletendentiousnesslevelofthePanyiMine’scoallayer’sspo

3、ntalleouscombustionisconcludedastypeII，basedonthecoal’soxygenabsorptionexperimentSecondly，t11rou曲theoreticalanalysisont11e10ssedcoal’sheataccumulatingprocessa11ditsaffectingfactors，也emamematicalmodelofthe10ssedcoal’sspon

4、talleouscombustionisfounded；thedistributionofthisgoaf’stemperaturefieldandthespeedneldinnuencedbythewindleakedoutfh)m2631(3)、vindwardlaneway’sdriVingf她eissimulatedby印plyingtheFEAsonwareF1uentTheresultshowsthat，withouttak

5、nganymeasures，whenthetunnelingin2631(3)windwardlanewaydriVingfacerunstomeninetiethday，hi曲temperatureappears，thehighestpointofwhichisabout48℃Thirdly，theexperimentonsamplecoal’soxidationin10wte】nperatureisinvestigateda|ldt

6、herightindexgasforthespontaneouscombustioninthisgoafisascertainedFinally，acomprehensivemethodofpreVentingandextinguishingfireisputforward，supplementingthechieftechniqueofinfusingnitrogenwiththetechniquesofjetcrecte，plugg