采场硫化矿石爆堆自燃危险性评价研究

:2005201221;:2005203221:(50490274)152Vol.15,No.220054FIRESAFETYSCIENCEApr.2005:100425309(2005)02201062051,(,410083):,,,,,,(DOW),,,,,,:DOW;;;:TD750,,,,,,,(DOW),,,1,,,,,,,,,,,,1,,,1022446688102DOW:;;F1F2;F3=F1F2;F&EI=F3;;=F&EI[1],DOW,,2.1,,:,;;;2.2,[2][3](pH,),,,2,,,,,(),:ST=K1S%+K2(Fe2++Fe3+)%+K3%+K4%+K5%+K6%+K7%+K8%+K9%(:%):ST;K1K2K3K4K5K6K7K8K9,,ST,:ST=1V30+2(Fe2++Fe3+)+3Mo2:V3030,ml/gh;(Fe2++Fe3+)40;Mo211060,mg;123,12315030019K,,17ST,K:K1=114.43K2=95.15K3=1.93K4=8.72K5=0.003K6=1.93K7=1.62K8=0.53K9=0.27,,,,2.3,2,;[4]0.90.7701Vol.15No.22(%)([10]))[11](ml/(gh))/%pH[12](%)[13][14]ST[15][16](%)[16]0336604488100.0080.008-0.0120.013-0.0170.017-0.0210.0220224466881000.010.01%0.30.302266105453423pH20224466881081.568561.534534022446688106565ST9090ST130130022558810551010203002266881050040050030040020030020002244668810033771001010202030304040022446688100224466881015153030033771003377100.90.90.60.60.30.90.80.80.90.70.70.40.6801FIRESAFETYSCIENCE1522.4,[5,6],,,,,0.70.40.62.5[7][8],,0.70.9,[9],,0.81.132,[17]34,,,4,,,,,,33200160032007001600200700200412345492.0481.7524.8686.8484.9,678910486.0538.4509.0611.5518.2,5,:;;;;;,[1],,.[M].:,2001,4347.[2],,.[J].,2003,(1):4042.[3].[J].,1998,14(11):2730.[4]WuC,WangPL,MengTR.In-situmeasurementof901Vol.15No.2breeding-fireofsulfideoredumps[J].TransactionsofNonferrousMetalsSocietyofChina(EnglishEdition),1997,7(1):3337.[5],,.[J].,1996,21(5):517520.[6],,.15#[J].,1994,(4):3134.[7],,.[J].,2000,(3):4345.[8]WuC,etal.Investigationofchemicalsuppressantsforinactivationofsulfideores[J].JournalofCentralSouthUniversityofTechnology(EnglishEdition),2001,8(3):180184.[9]WuC.Faulttreeanalysisofspontaneouscombustionofsulfideoresanditsriskassessment[J].JournalofCen2tralSouthUniversityofTechnology(EnglishEdition),1995,2(2):7780.[10]WuC,LiZJ,ZhouB.Coincidenceonrelevantsub2stancesofsulfideoresintheoxidationprocessatambi2enttemperatureandanewmethodforpredictingfire[J].TransactionsofNonferrousMetalsSocietyofChi2na(EnglishEdition),2004,14(1):3337.[11],.[J].,1989,(1):3538.[12],,.[J].,1998,7(5):7779.[13],.[M].:,1995,9298.[14],,.[J].,1994,6(2):5962.[15]MengTR,WuC,WangPL.Studyofminespontane2ouscombustionofsulphideores[A].In:RagulaBed.ProceedingsoftheUSMineVentilationSymposium[P].SaltLakeCity,UT:SME,1993,203207.[16].[M].:,1999.[17].[M].:,2002.StudyofRiskAssessmentTechniqueforEvaluatingtheSpontaneousCombustionofSulfideOreinMiningStopeXIAChang2nian,WUChao(SchoolofResourcesandSafetyEngineering,CentralSouthUniversity,Changsha410083)ABSTRACT:Duringminingofsulfideoresatnon-coalmines,therearemanyspontaneousfireaccidentsduetooreswithrichsulfide.Therefore,itisverysignificanttodevelopaneffectiveriskassessmenttechnique.Inthispaper,theauthorssummarizedexistedassessmentmethodsofspontaneousfireofsulfideores,andestablishedanewriskassessmentsystembasedonexperimentsandliteraturereview.TheauthorsappliedtheassessmentmethodofthefireandexplosionindexevaluationofDOWcompanytoanalyzethedangerousfactorsthatmaycausespontaneousfireaccidentsofsulfideores.Accordingly,allrelevantindexesatvariousdangerousrankswereputforwardonre2ferringtheminingfieldsituations.Furthermore,theassessmentmethodwasappliedforassessingthefirepotentialofaminewithsulfideoresinXinjiang.Intheevaluationprocessthepracticalityintheproductionoftheminesisconsidered.Allthedangerousfactorscanbeobtainedfromexperimentsorinvestigationsofminingsite.Theriskas2sessmentsystemcanbeappliedtoallthesulfidemines.Keyword:DOWevaluationmethod;spontaneousfireofsulfideores;riskevaluation;mining011FIRESAFETYSCIENCE152