资源描述：
《长钢9#高炉喷煤系统的优化管理》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、长钢9#高炉喷煤系统的优化管理Inrecentyears,theblastfurnacecoalinjectiontechnologyincreasinglyperfect,medium-speedgrindingpowdersystemUSESabagshortf1owprocess,blowingsystemusingdensephaseconveyingtechnologyandsafetyinjectionhighvolatilizationofbituminouscoalhasbecomethefirstsel
2、ectionofcoalinjectionsystemdesign[1][2]・Combinedwithouroldcoalinjectionsystemofproductionexperience,wehave9#blastfurnacecoalinjectionsystemhasbeenoptimized,namely:themedium-speedgrindingpowder,abaggunpowder,twocommongrindingmachineaninduceddraftfanandablastfurnac
3、ehotblaststoveoffluegasasdrygas,usingtheirowndevelopedhigh-performancemixer,specialfiltersfordensephaseconveyingcoalinjection,high-performancedistributorandtwogunsforanthraciteandbituminouscoalmixinjectioncoalinjectiontechnology.Ninedaysin9#blastfurnaceoperation,
4、utilizationcoefficientof2.6t/(m3・D)above,coalinjectionratio,170kg/1,hoursofcoalinjectionqua.ntity23.5t,assoonaspossibleafternewcoalinjectionsystemforblastfurnaceproductionreachesproducingDaXiaoprovidesastrongguarantee・Listoftechnicalindicatorsduringblastfurnacebl
5、astfurnaceThedateutilizationcoefficientiscomparedtothefuelratioofthecoaltothefuelratioandthewindpressureofthewindOptimizationofthepowdersystemChangGang1080m3blastfurnacecoalinjectionsystemisbothanew9#blastfurnaceofsupportingsystem,alsoneedtobeatthesametimemeetthe
6、needsofthe8#blastfurnacecoalinjection(formerlyindirectinjection),at100%ofthetotalinjectioncoaldesign,currentlocalmeager-leancoalinjection70%+70%long-flamecoalinjectioncoal(ChangGangcomponentanalysis(seetable2),coalinjectiondesigncapacityofcoal-200kg/t(blastfurnac
7、eutilizationcoefficient3.0).Itiscomposedofcoalsystem,powdersystemandblowoutsystem,andtheprocessf1owchartisshowninfigure1.System:(1)forcoalcarjusttocoalyardafterunloading,drivingontheclassificationofpile,thecoalwiththegrabofdrivinguptothematchofcoal,thecoalblendin
8、gcoalbeltconveyoristhehighestmainbelt,finallyintotheoriginalcoalbunker・(2)makingpowdersystem:thecoalbin,thewholeenclosedweighingmachine,theEM65typemediumspeedg
