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1、附录：外文资料与中文翻译外文资料：Analysisofthespontaneouscombustionofcoalcauseofthefire,forecastingtechniquesandpreventionmeasures1IntroductionMinefireisthemajornaturaldisastersincoalmines.SpontaneouscombustionofcoalisthemainformoftheminefireinChina'sstate-ownedkeycoalmines,morethan56percentoftheminethereisthed
2、angerofspontaneouscombustion,firescausedbyspontaneouscombustionofcoalaccountedformorethan90%ofthetotalnumberofminefires[1].Inrecentyears,mechanizedminingthetopcoalcavingtechnologyhasbeenvigorouslypromotionandapplicationofasubstantialincreaseincoalproductionefficiency,butthecavingheightandlarge,l
3、eftoverfromthegoafresidualcoal,seriousairleakage,makingthemineofcoalspontaneouscombustiontooccurfrequently，hasbecomeoneofthemainfactorsrestrictingtheminesafetyinproductionandfurtherdevelopment[2].DistrictofXinjiang,Ningxia,InnerMongolia,thereisstillalargeareaofthecoalfieldfires,burningcoalamount
4、1000-1360tonsperyear,theeconomiclossesofmorethan20billionyuan[3-4].SpontaneouscombustionofcoalproducesalargenumberofSO2,H2S,COandCO2gas,theseriouspollutionoftheenvironment;coalfieldfiresalsocausedalargeareaofdamagetovegetation,soildesertification.2SpontaneouscombustionofcoalcauseanalysisCoallarg
5、elybytheorganicandinorganiccomponents,themaincombustibleelementscarbon(about65%~95%),followedbyhydrogen(about1%to2%),andcontainingasmallamountofoxygen(about3%to5%,sometimesupto25%),sulfur(about10%),theaboveelementstogetherconstitutethecombustiblecompounds,knownasthecombustiblematterofcoal.Inaddi
6、tion,coalalsocontainssomenon-combustiblemineralash(5%to15%,alsoupto50%)andwater(generallybetween2%to20%change),thesesubstancesiscalledainertingofcoalnature.Coalbytheoxygenintheairoxidationistherootcauseofthespontaneouscombustionofcoal.Carbon,hydrogenandotherelementsinthecoaloccursatroomtemperatu
7、re,thereactionofthecombustibleCO,CH4,andotheralkanessubstances.Oxidationofcoalisanexothermicreaction,iftheheatcannotbedissipated,willenablethecoalaccumulationoftemperature,inturn,acceleratetheoxidationofcoalandemitmoreofthec
