105粉尘浓度的测量杨世忠

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

,(,266520):,,,,,,:;;;:X513:B:1008-4495(2007)04-0026-02:2007-01-05:(1973),,,,,,,,,,,,,,,,,,1,()(),,,,,,,,,,,,(Lambert-Beer),,,,11IO,,,()IIO[1]:I=IOe-14NvLD2K(,m,D)(1):D,Nv,K,L(1):lnIOI=4D2NvKL(2)(2):Nv=lnIOI4D2KL(3),6220078344nr(D),(3):Nv=lnIOI4Lni=1D2iKi(,m,Di)Nvnr(Di)Di(4),,,(4),2,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;,,;(),;,:,,,,,,2IO,I,2,,,,[2],332,2,UO,UO=ISCRf,,,,34,,,,,,APD,4(30)7220078344,11,DPS,:Q=-2.52641+0.02636K1+1.42812K2+0.34395K3(2):Q,m3Pt;K1,m;K2,m;K3,m0.8062,RR0.65000.7071,34,,,(2)146331)11;3;2,11()0.9,2),,3),,146,,,:[1],.1[J].,2005(3):53-55.[2],.[J].,2000,27(5):20-21.[3],,.[J].,2004,35(11):36-37.[4].[J].,2005,30(3):319-321.[5],.[J].,1997,16(2):68-72.[6].[J].,1997,25(9):45-47.(:)(27):1),2),IV,3),APD4),5)4,,,,,,,:[1],,.[J].,2003(6):30-31.[2],.BX[J].,2004(5):18-20.(:)0320078344Vol.34No.42007MININGSAFETY&ENVIRONMENTALPROTECTIONAug.2007EnglishAbstractsofThisIssueMeasurementandVariationCharacteristicsofStrataStressinYong2chuanCoalMine(1)TocounterthedeepminingconditionsandgeologicalstructureinYongchuanCoalMine,thispaperpointedoutthebasicrequirementsfortheselectionandarrangementofthemeasur2ingpointsofstratastressatthesite;thedegreeanddirectionofthestratastressattwomeasuringpointsatSouthern-190mand-350mlevelinYongchuanMineweredeterminedwithhollowinclusionstratastressmeasuringtechnique.ThepaperalsoanalyzedthefeaturesofthestratastressinthedeeppartofYongchuanMine.Studyshowedthatthestratastressinthisregionwasbasicallyconstitutedbygravitystressandhorizontallystructuredstress,thegravitystressandstructuredstresswerebasicallyequalnear-190mlevelinthisregion,butnear-350mlevel,thestratastresswasmainlythegravitystress,ingeneral,thegravitystresswasabouttwotimesofthehorizontallystructuredstress.Themaximummainstress1inthisregionwasabout15Mpa,ithasastabledirectionandbelongaregionwithmediumandlargerstress.ExperimentalStudyofUsingGasContentTechniquetoPredictOutburstHazard(4)Thispaperdescribedthebasicprincipleofpredictingoutbursthazardwithgascontentandthequickmeasuringmethodofgascontentincoalseam,madestudyonthesensitivityofcoalandgasout2burstpredictionbasedongascontentmeasuringmethod,andprobedintotheinitialcriticalvalueofoutburstprediction.Thedirectandquickmeasurementofgascontentwasthusrealized.Themeasuringtimeofgascontentwasnotexcessof8hoursgenerally;applyinggascontentmethodtopredictoutbursthasbettersensitivityanditisfeasi2bletechnically.StressFieldinTectonicRegionandRegionalPredictionofCoalandGasOutburst(7)Coalandgasoutburstisrestrictedbysomefactorssuchasgeo-stress,gasandcoalsolidstructureetc,inwhichthetec2tonicstressarousedbygeologicalstructureplaysadominatedrole.Thepalaeotectonicstresspromotedgasgeneration,changedconditionsofgasoccurrenceandmigrationaswellastheinternalstructureofcoal.Themodernstressdominatedgeo-stress,andtookpartinoutburstdi2rectly.Thispaper,takingVlevelactivefaultsdividedbythegeo-dy2namicdivisionasthetectonicframeandincorporatingwiththesurvey2ingofstratastress,madeanumericalsimulationofthestressfieldintheregionalstructure,andthusdeterminedthestressdistributionlawintheregionalrockmass.Theresultindicatedthatthedistributionofre2gionalinitialrockstressintheminedependeduponthefaultsandwasformedagainduetothesuperpositionbythefaultaction.Therefore,theregionaldistributionofcoalandgasoutburstinthisminewascon2trolledbyitfromtimetospace.Thencoalandgasoutburstfatalnessinducedbycoalminingcanbeevaluatedandpredicted.Theapproachofcoalandgasoutburstpredictionisthusextended.TemperatureFieldModelofSpontaneousCombustionofWasteRockDump(9)Thetemperaturefieldmodelofspontaneouscombustionofwasterockdumpwassetupbyusingtheheattransmissionmodelofsoilforreference.Thismodelmainlydependedonthetemperaturechangeofthewasterrock,andthetemperaturewasmoreeasilymeasured.Thecomputationwithtemperaturefieldmodelcandrawtheconclusionthatthespontaneouscombustionofwasterockinitiallyoccurredatabout2mandthetimeuptothecriticaltemperaturefromthepointat2mcanberoughlypredicted.Theconclusionaccordedwithactualobservation,sothismethodhasacertainguidingsignificance.AnalysisofOccurrenceCharacteristicsofCoal-bedGasinShuan2gquanMineFieldofAnyangCoalMiningArea(18)ShuangquanMineFieldofAnyangCoalMiningAreaisamineunderconstructionandhasrichcoal-bedgasresource.Thispapergivesasystematicde2scriptionoftheoccurrencecharacteristicsofcoal-bedgasinthisminefieldaccordingtotheexploratorydataoftheminefieldandthecoal-bedgasinordertobetterdirectthecoal-bedgasexploitationandtheharnessofgasdisasterinthiscoalminingarea.Thepaperpointedoutthatthegaspressureofcoalseamsinthisareaishigh,theabsorptioncapabilityofcoalseamsisstrong,thegascontentoftheseamsishighandcanbeupto1033.5m3/t,andthegascontenthasthedistri2butiontendencythatitishighinsouthernandeasternareaandlowinnorthernandwesternarea.Thisgasdistributionwasaffectedbythedeepoccurrenceandthedynamicconditionofundergroundwater.Theweakrunoffareaandretentionareaofundergroundwaterwerethefa2vorableareaforenrichmentofcoal-bedgas.Themudstoneroofandfloorprovidedfavorableconditionforthepreservationofcoal-bedgas,theclosedstrikefaultfromnorthto

1 / 4
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功