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外文翻译--薄煤层综采设备的研制及工艺参数优化.doc

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外文翻译--薄煤层综采设备的研制及工艺参数优化.doc

【外文文献】1ThethincoalbedsynthesispickstheequipmentthedevelopmentandthecraftparameteroptimizationMainlydiscussedthethincoalbedsynthesiswhichZaozhuangMiningindustryGroupCompanyindependentlydevelopedtopicktheequipmentinTiantheChenKuangsuccessapplication,andtoitssupplementaryequipmenttechnologicaltransformationsandthetechnicalcharacteristic,theworkingsurfacegeologicalcondition,thesynthesispickedtheequipmentthecraftparameteroptimizationandtheworkingsurfaceworkingprocedurereasonablematchsafeguardtechnologymeasurehascarriedonthethoroughanalysisandtheintroduction.Becausethethincoalbeditsminingspaceisnarrow,theefficiencyislow,theworkingsurfaceconditionisbad,machineryequipmentnotnecessaryorminingcoalcraftimperfectandsoontechnicalquestions,difficultywithrealizestheminepithighlyeffectiveandthesafetyinproduction.ZaozhuangMiningindustryGroupCompanyprofitsfromtheexperiencewhichmyguozhongthickabovecoalbedsynthesispicks,pickedthesupplementaryequipmentinthethincoalbedsynthesisthedevelopmentandthecraftparameteroptimizationaspecthascarriedonthebeneficialexploration.InOctober,2003,ore531workingsurfacesequippedinitsTiantheChenhasindependentlydevelopedandtheimprovementthreemachinessupplementaryequipment,hasobtainedthetangibleeffect,realizationmaximumdailyproduction3504t,theaveragemonthproduced89636t,createdtherollerthincoalbedsynthesistopicktheunittoyearlyproduce1,000,000tonnewlevels.Equipsthisworkingsurfaceequipmentfundinvestmentis1088.10Yuan,theequipmentdoesnotinvestintotheequipmentcoalplowsurface1/10.First,thesynthesispicksthethreemachinesnecessaryandthetechnicalcharacteristic1hydraulicpressuresupportAccordingtothethincoalbedminingcharacteristic,usesthecomputertocarryonthemovementanalysisoptimizationandtheintensitydesigntothesupportfourlinkmotiongears,satisfiestheworkingcondition,optimizedthesupportstructure1supportforthesupportshieldtype,hasusedtheoveralltopbeam,twocolumnsupportshassatisfiedthebigexpansionandcontractionrequest2mainstructuralelementwiththeQ550highstrengthstructuresteelplatemanufacture,reducedthesupportweight.Frontusesweldspreheating,afterweldstheartificialagingweldingcraft,theguaranteestructuralelementweldingquality3selectsthegreatcurrentcapacityhydraulicpressurepart,enhancesthesupportthespeedofresponse4reasonablearrangementhydrauliccircuitsystem,hasenlargedthehuman,machinethespace.ItsdevelopmentZY2400/08/19hydraulicpressuresupporttechnicalcharacteristicisasfollowsTwocolumnsupportshieldtype,support0.81.9m,supportwidth1.431.6m,centerdistance1.5m,workingresistance2400kN,supportsandprotectionsintensity0.410.46MPa,theadaptationinclinationangleisnotbiggerthanhighly35°,operatingmodeforneighbourcontrol,supportweight6500kg.2coalminingmachineUnifiesthincoalbedminingthetechnicalcharacteristic,hascarriedonthetransformationtothecoalminingmachinefollowingseveralaspects1improvementdesignpumpbox,thesolutiongivesoffheatthequestion,satisfiesthesynthesistopicktheoperationpercentagehighoperatingmodeneed2designsagroupoftaperingspindlerockingshaftspecially,causesthedrumcirclediametertoreduce,increasestheleafbladealtitudecorrespondingly,doesaninsidejobthequantityrequestsatisfiedly3optimizeddrumdesign,increasestheleafbladespiralangleofclimbingreasonably,theimprovementcoalingeffect4decreasesthefuselagesuitablyhighly824mm,coalminingmachineeachbigjointplacehasmadethecorrespondingimprovement.AfterthetransformationcoalminingmachineMG200BW2technicalcharacteristicisasfollowsPickshighscope1.02.0m,theadaptationinclinationangleisnotbiggerthan35°,theadaptationcoefficientofhardnessf≤3.5,drumdiameter800/1000mm,machinesurfacealtitude824mm,doesaninsidejobmeasures91mm,thehaulingwayforthenonchainhauling,biggestforceoftraction250kN,haulingspeed06.14m/min,installingequipmentpower200kW,voltagerank660/1140V,machinegrossweight15t,machinetotallength7858mm.3scraperconveyerMainlyhascarriedonthetransformationtothescraperconveyerinfollowingseveralaspects1hasusedinthethincoalbedscraperconveyerthedoublestrandtransmissionstructure,losesthecoalconditiontobeabletoimprove2homeforthefirsttimeusedmiddlethe22Etroughsectiononthethincoalbedscraperconveyer,thecompletemachinerigidity,theintensityhadenhancesgreatly3reducesthenose,theairplanetailtroughhighlyisexcessively430mm,improvedthecoalminingmachinetothenose,theairplanetailcoalwallcuttingcondition4strengthenedtheshovelboard,thecabletankframe,thehaulingplatoonhassoldandsoonplacethejointstructure.AfterthetransformationscraperconveyerSGZ630/220technicalcharacteristicisasfollowsCompletedlength170m,thetransportationmeasures450t/h,theinstallingequipmentpower2110kW,scraperchainfast1.07m/s,tightchainwayforbrakedisctightchain.Second,workingsurfacegeologicalconditionThedevelopmentsynthesispickstheequipmentore531workingsurfacestoapplyforthefirsttimeinTiantheChen,theworkingsurfacemovestowardsthelongwalltypearrangement,movestowardsthelengthis950m,theinclinedlengthis156m,coalbedthickness0.43.0m,average1.25m,coefficientofhardnessf2,thecoalbedinclinationangle10°15°,average13°,reserves283,400t.Coaldustexplosionindex31.9,isthestrongexplosivecoalbed.Theworkingsurfacehasthemudstonefalseroofpartially,thick01.8m,softeasytobrave,itsupsidedividesintotheirongreythinsilicarenite,aboutitslowerpartlaminationthick1.5mforgoesagainstdirectly,aboveforaveragethickness33.5m,hard,thecrevassegrowthalwaysgoesagainst.Theledgerwallpartiallyhas0.10.4mcharcoalmudstone,thedirectbottomisthepessimisticsiltstone,thick2.6m,theinsandoutsarethepessimisticnovaculite,hard,thebeddingisclear,thickness16m.North531workingsurfacesarelocatedfivepicklowerpartthearea,thetrackdescendsamountaintheleftwing,groundtable45m,mineshaft

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