東榮二礦矸石山自燃規(guī)律及治理技術(shù)研究.pdf

1、西安科技大學(xué)碩士學(xué)位論文東榮二礦矸石山自燃規(guī)律及治理技術(shù)研究姓名：張健申請學(xué)位級別：碩士專業(yè)：礦業(yè)工程指導(dǎo)教師：@@Subject:StudyonMechanismofWasteRockSpontaneousCombustionFatheringTechnologyinDongrongNo.2CoalmineProgramfuild:SafetyEngineeringAuth:ZhangJian(Signature)Instruct:C

2、henXiaoKun(Signature)LiQingJun(Signature)ABSTRACTWastrockspontaneouscombustionseriouslythreatenedsafetyproductioncontainedtheenvironmentincoalmine.AfterlongtermdevelopmentspontaneousfirezoneinthewastrockpilesinDongrongNo

3、.2minegottheacteristicsofhightemperaturelargerangewhichthreatenedsafetyproductionoftheenterpriseseriously.Inthepresentstudyinfluenceofacteristicsofthewasterockincludingsulfercontentcarboncontentdeteropratedegreewatercont

4、entstackingpropertyonspontaneouscombustionarestuied.Throughwasterockfiresitemonitingtheeticalanalysisitprovedthatthereexistnotonlycoaloxidationbualsogasification(reactionofcoalwithcarbondioxidewatervap).Thereasonofexplos

5、ionduringdrenchingwaterintothehightemperaturefirezoneintthewastrockpileisanalyzedsystematically.Throughanalyzingmasstransferinthewasterockpileamodelfregulationofgasperationdevelopmentofthefireissetup.Accdingtoacteristics

6、ofthewasterockspontaneouscombustionageneraltechniqueschemetoextinguishthefireisputfward.Thefireisextinguishedsuccessfullybymeansofinjectingcompositegelintothefirezonewhichsafeguardedsafetyproductionimprovedtheenvironment

7、inthecoalmine.Itprovedthatthecompositegelcanabsblargeamountofheatplugairleakagepassageswhichsuitsfextinguishwasterockpilefirewell.Thecompositegelmakesfulluseofflyashfromthenearbypowerstationwhichnotonlyreliefedenvironmen