薄煤层综采设备的研制及工艺参数优化外文文献翻译中英文翻译外文翻译.docx
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薄煤层综采设备的研制及工艺参数优化外文文献翻译中英文翻译外文翻译.docx
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薄煤层综采设备的研制及工艺参数优化外文文献翻译中英文翻译外文翻译
【外文文献】1
Thethincoalbedsynthesispickstheequipment
thedevelopmentandthecraftparameteroptimization
MainlydiscussedthethincoalbedsynthesiswhichZaozhuangMiningindustryGroupCompanyindependentlydevelopedtopicktheequipmentinTiantheChenKuangsuccessapplication,andtoitssupplementaryequipmenttechnologicaltransformationsandthetechnicalcharacteristic,theworkingsurfacegeologicalcondition,thesynthesispickedtheequipmentthecraftparameteroptimizationandtheworkingsurfaceworkingprocedurereasonablematchsafeguardtechnologymeasurehascarriedonthethoroughanalysisandtheintroduction.
Becausethethincoalbeditsminingspaceisnarrow,theefficiencyislow,theworkingsurfaceconditionisbad,machineryequipmentnotnecessaryorminingcoalcraftimperfectandsoontechnicalquestions,difficultywithrealizestheminepithighlyeffectiveandthesafetyinproduction.
ZaozhuangMiningindustryGroupCompanyprofitsfromtheexperiencewhichmyguozhongthickabovecoalbedsynthesispicks,pickedthesupplementaryequipmentinthethincoalbedsynthesisthedevelopmentandthecraftparameteroptimizationaspecthascarriedonthebeneficialexploration.InOctober,2003,ore531workingsurfacesequippedinitsTiantheChenhasindependentlydevelopedandtheimprovementthreemachinessupplementaryequipment,hasobtainedthetangibleeffect,realizationmaximumdailyproduction3504t,theaveragemonthproduced89636t,createdtherollerthincoalbedsynthesistopicktheunittoyearlyproduce1,000,000tonnewlevels.Equipsthisworkingsurfaceequipmentfundinvestmentis1088.10Yuan,theequipmentdoesnotinvestintotheequipmentcoalplowsurface1/10.
First,thesynthesispicksthethreemachinesnecessaryandthetechnicalcharacteristic
(1)hydraulicpressuresupport
Accordingtothethincoalbedminingcharacteristic,usesthecomputertocarryonthemovementanalysisoptimizationandtheintensitydesigntothesupportfourlinkmotiongears,satisfiestheworkingcondition,optimizedthesupportstructure:
(1)supportforthesupportshieldtype,hasusedtheoveralltop-beam,twocolumnsupportshassatisfiedthebigexpansionandcontractionrequest;
(2)mainstructuralelementwiththeQ550highstrengthstructuresteelplatemanufacture,reducedthesupportweight.Frontusesweldspreheating,afterweldstheartificialagingweldingcraft,theguaranteestructuralelementweldingquality;
(3)selectsthegreatcurrentcapacityhydraulicpressurepart,enhancesthesupportthespeedofresponse;
(4)reasonablearrangementhydrauliccircuitsystem,hasenlargedthehuman,machinethespace.
ItsdevelopmentZY2400/08/19hydraulicpressuresupporttechnicalcharacteristicisasfollows:
Twocolumnsupportshieldtype,support0.8~1.9m,supportwidth1.43~1.6m,centerdistance1.5m,workingresistance2400kN,supportsandprotectionsintensity0.41~0.46MPa,theadaptationinclinationangleisnotbiggerthanhighly35°,operatingmodeforneighbourcontrol,supportweight6500kg.
(2)coalminingmachine
Unifiesthincoalbedminingthetechnicalcharacteristic,hascarriedonthetransformationtothecoalminingmachinefollowingseveralaspects:
(1)improvementdesignpumpbox,thesolutiongivesoffheatthequestion,satisfiesthesynthesistopicktheoperationpercentagehighoperatingmodeneed;
(2)designsagroupoftaperingspindlerockingshaftspecially,causesthedrumcirclediametertoreduce,increasestheleafbladealtitudecorrespondingly,doesaninsidejobthequantityrequestsatisfiedly;
(3)optimizeddrumdesign,increasestheleafbladespiralangleofclimbingreasonably,theimprovementcoalingeffect;
(4)decreasesthefuselagesuitablyhighly(824mm),coalminingmachineeachbigjointplacehasmadethecorrespondingimprovement.
AfterthetransformationcoalminingmachineMG200-BW2technicalcharacteristicisasfollows:
Pickshighscope1.0~2.0m,theadaptationinclinationangleisnotbiggerthan35°,theadaptationcoefficientofhardnessf≤3.5,drumdiameter800/1000mm,machinesurfacealtitude824mm,doesaninsidejobmeasures91mm,thehaulingwayforthenon-chainhauling,biggestforceoftraction250kN,haulingspeed0~6.14m/min,installingequipmentpower200kW,voltagerank660/1140V,machinegrossweight15t,machinetotallength7858mm.
(3)scraperconveyer
Mainlyhascarriedonthetransformationtothescraperconveyerinfollowingseveralaspects:
(1)hasusedinthethincoalbedscraperconveyerthedoublestrandtransmissionstructure,losesthecoalconditiontobeabletoimprove;
(2)homeforthefirsttimeusedmiddlethe22Etroughsectiononthethincoalbedscraperconveyer,thecompletemachinerigidity,theintensityhadenhancesgreatly;
(3)reducesthenose,theairplanetailtroughhighly(isexcessively430mm),improvedthecoalminingmachinetothenose,theairplanetailcoalwallcuttingcondition;
(4)strengthenedtheshovelboard,thecabletankframe,thehaulingplatoonhassoldandsoonplacethejointstructure.
AfterthetransformationscraperconveyerSGZ-630/220technicalcharacteristicisasfollows:
Completedlength170m,thetransportationmeasures450t/h,theinstallingequipmentpower2×110kW,scraperchainfast1.07m/s,tightchainwayforbrakedisctightchain.
Second,workingsurfacegeologicalcondition
Thedevelopmentsynthesispickstheequipmentore531workingsurfacestoapplyforthefirsttimeinTiantheChen,theworkingsurfacemovestowardsthelongwalltypearrangement,movestowardsthelengthis950m,theinclinedlengthis156m,coalbedthickness0.4~3.0m,average1.25m,coefficientofhardnessf=2,thecoalbedinclinationangle10°~15°,average13°,reserves283,400t.Coaldustexplosionindex31.9%,isthestrongexplosivecoalbed.Theworkingsurfacehasthemudstonefalseroofpartially,thick0~1.8m,softeasytobrave,itsupsidedividesintotheirongreythinsilicarenite,aboutitslowerpartlaminationthick1.5mforgoesagainstdirectly,aboveforaveragethickness33.5m,hard,thecrevassegrowthalwaysgoesagainst.Theledgerwallpartiallyhas0.1~0.4mcharcoalmudstone,thedirectbottomisthepessimisticsiltstone,thick2.6m,theinsandoutsarethepessimisticnovaculite,hard,thebeddingisclear,thickness16m.
North531workingsurfacesarelocatedfivepicklowerpartthearea,thetrackdescendsamountaintheleftwing,groundtable+45m,mineshaftelevation-722m~-768m,thegeologicalconditioniscomplex,tunnelingperiodexpositionfault8,aboveinwhich1.0mfault4,theF6reversedfaultdroppingvarianceis4.0m,alsohasstripwidth20m,extendsthe220mwashzonealongthetrendtopassthroughtheentireworkingsurface.
Third,workingsurfacecraftparameteroptimization
Theworkingsurfacereasonablecraftparameterdetermination,isthesynthesispicksthesupplementaryequipmenttorealizetheworkingsurfacehighproductionfoundation.
(1)sectionofdeepchoice
Theoverallevaluationcoalminingmachinepower,theanthraxcoefficientofhardness,coalbedthicknessandpickhigh,theroofjointinggrowthsituation,thesupportpressforcingcrispcoalfactordefinitetruncationdepthandsoonwalldepth,supportsupportsandprotectionsway.Throughanalyzestheworkingsurfacegeologicalconditionandtheequipmentnecessarysituationearnestly,thedefinitetruncationdepthis0.6m.Whenroofjointinggrowth,cave-inofsidesofaminetunnelserious,eachknifetriestobreakupafightwhencarriesonsupportsandprotectsinadvance,enhancesthecirculationperunitareayield.
(2)coalminingmachinehaulingspeedVdetermination(formulaomitted)
(3)supportsandprotectionswithmovesaway
Usesaneighbouroperation,promptsupportsandprotections.Intheminingcoalmachinecutfromnowon,firstwillmovethesupporttosupporttheroof,thenwillagainmovetheconveyer.Theunioncoalbedthicknessgraspinglengtheningbarexpandsandcontractsthescope,inordertoandsupportsandprotectstheroofhighlybythereasonableframeposition.Whenroofsituationpermission,movesinturnandseparatestheframetomovetounify,guaranteedmovesaspeedtosatisfythecoalminingmachinecoalcuttingspeed,realizescontinuouslythefastcoalcuttingneed.
(4)coalminingmachinefeedway
UsestheMG200-BW2coalminingmachinetofallthecoal,unidirectionalminingcoal,middlebevellingfeed.Thefirstdrumshearsgoesagainstthecoal,thelatterdrumshearsthebottomcoal,fromnotching.
Fourth,workingsurfaceworkingprocedurematchsafeguardmeasure
Thethincoalbedsynthesispickstheworkingsurfacereasonablecraftparametertheeffectivesafeguard,mainlyincludestheworkingsurfaceeachtransportationlinktheintercoordinationandtheover-loadprotection,thelongdistancecommunicationdirection,theworkingsurface“threestraightoneeven”andthegeologicstructurecontrolmeasure,coalminehasusedthehomemostadvancedTK-200communicationcontrolsystemforthisTiantheChen,strengthenedtheworkingsurfaceproductionmanagement,hadguaranteedtheworkingsurfacevariousworkingproceduresbestmatch,reducedtheworkingsurfacefailureratelargescale,enablestheworkingsurfaceoperationpercentagetoachieveabove90%.
(1)TK-200communicationcontrolsystemapplication
(1)systemcomposition
TheTK-200communicationcontrolsystembytheTK110workingsurfacecontroller,theTK120powersource,theTJ100mineralproductelectriccurrentdetectorset,theTK130microtelephone,theTK130Cmulti-purposetelephones,theTK150intelligentterminal,theTK150EintelligencecouplerandtheTK130-Xfivecorebeltshieldminer
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