Buliantamineonhighyieldexperiencefacearrangement
Thephysicalandmechanicalcharacteristicsofcoalminingnotonlygreathardnessandtoughness,butnotdevelopedJOINTED,arrangedalongthelongwallfacetowardthedirectionofthecoalminer\'sbreakcoincidedwiththeseamperpendiculartothedirectionofjointfracture,brokencoalminermakesdifficultincrease,affectingthespeedofthecoalminercutandpickconsumptionrateishigh,upto280milliontofimportspickeachRMB150,221lfacealonetheaveragecoalconsumptionreached1.2milliontmillion.Accessoriesandotherequipmentwhilethepowerconsumptionisrelativelylarge.(3),ledbyminingfaceoftheface,andthethickoverlyingaquifers,faceagreaterwaterinflow,themaximumwaterinflowto330/h.1997l126shift,causingsuddengushingwatertransporttroughdepthof800mm,wasdiscontinuedfor3days.Lanehadtoopenthesluice,wastoensurenormalproduction.Becauseoftheseproblems,manyminingengineersandtechnicianscalledresearch,combinedwiththeactualsituationofthemine,decidedtochangethefaceofthelayout,theoriginalwalltotilttowardalongtimebecauseminelongwalllayoutlimitsthescopeofIda,aftertransformation31,301facetopromotethelengthof3flOOm,facelengthof240~n.Transformationofthemainwaystomaintaintheexistingroadwayinthesamebasiclayout,theplasticLuckLane4#1SouthWingbunker.ConcentrationofcoaltransportflooropenAlley,thesamelevelof20minitswesterncoalfromtwoopen-airreturnfocusbacktothewindroadwaylane,theroadwayopenedtwo300m,andthenopenthe31301facetwotrough,youcanmeettheproduction.Openedtwonewsemi-coalLaneroadwayarereadytotransformacostof$1.8million(3000yuan,m).Idaminetheborderinlate1999re-divided,adjacentto31,302afterfivefacearetopromotethelengthof50~lfl,facetot3coalreached6.74millionrenovationprojectaftertheimplementationofresultsandexperience3.2Pickreduceconsumptionandrelatedlossofminingcoalface22ll1.41milliont,consumptioncutter11417,theaveragecoalconsumptionof81milliont;31,BeatsByDreStudio,301faceamountof3.44millionbacktocoalminingt,consumptioncutter8256,theaveragecoalconsumptionmilliont24.ExpansionofthemineisnotcalculatedaccordingtoIda,Idahasrecoverablereservesoftheoriginal4.7lbilliont,with93%oftotalminingsurfaceminingofcoalminingvolume:438milliont,andthentogoforward(2211Face)comparedinclinedtoadoptYang(31301Face)pickthedifferencebetweentheconsumption(lessconsumptionof57milliontpick)tothecurrentdomesticpricecutter120,acalculation,theexistingcoalminingfinishedonlypickonethentendtolalongtheYang-productionratiotakenalongtostepbackasmallinvestment300millionyuanterms,ifweconsiderthefuturetechnologicalprogressfactors,edhardyuk,takenfirsttoadopttheexistingfinishedfloor1I2coalrecoverablereservesof130milliontpickonlya83millioninvestmentinlessdollars.3.3drainagefacilities,asignificantincrease2211coalfaceinordertoensuretheproductionopenedsluicetunnel1200m,anadditionalinvestmentof$1.2millioninvestmentindrainagefacilitiesandpersonnelisquitelarge,andthecoalhasbeenhighwater,oftenuptoabout16%.31301isadipasmining,waterdowntheworkareaintothemined-outareacanbenatural,coalwaterremainedinthel5%orless.Duetothemined-outareaanddrainage,topreventthefloatingofthemined-outareaalsoplayedaspontaneouscombustionofcoalabetterpreventiveeffect431301facecurrentproblemsduetotheconcentrationoftransformingcoalbunkerLanerestrictionsontransport,thetransporttrough(tapeLane)arrangedinthefaceofthetop,fakeoakleysunglasses,resultingin3130231301facetransporttroughnearminedareas,andonlyanarrowpillarprotectionlOm,duetothepressurebytwicetheimpactofmining,resultingin31302transporttroughdifficulttomaintain,Atthesametimelimitedbythesystem,transporttroughintoareturnairway,reducingtheabilitytofacethedisaster.Theprobleminthefuturelayoutofthe31304canbeadjustedandresolvedface.-RamieRamielongwalltotilttothelongwall,coalpowerproductioncanbesignificantlyimprovedoutlook5.Face\'\'atransformationoftheformer221lonyieldhavebeen15,000torless,hervelegertoronto,notmorethan250,knockoffoakleys,000permonthuptot.31301faceintoproductionafterthefirstmonth,monthlycoalproduction430000t,Nissancreatedthehighestrecordof33,600t,andcontinuousproductionofabalancedfaceyearsmorethan3milliontofrawcoalproductioncostofproductionbythecoalmine108yuan,\'droppedto80yuan,t,torealizeanannualprofitof19.473millionyuan.10.Withtheimplementationofthestrategyofwesterndevelopment,minewillbeplanninga?15.6millionincoalprocessingofCoalplant,Buliantaminewillstrivetobecomeby2004anannualoutputofmorethan10milliontofcoalamodernhigh-yieldandefficientmine.(EditorShinMinChapter)
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