高炉熔渣显热回收可行性分析

30199512RONANDSTEELVul.30,SuPPDeeember1995()(),,FEASBLEANALYSISONSENSBLEHEATRECOVERYOFBLASTFURNACESLAGLIUXunsai(EasrChinaInsrituteofMetauurgy)ZHOUYushens(CentraiIron&SteelResearehInstitute)ABSTRACTThisPaPerPutsforwardthereeoversystenlofsensibleheatofblaszfurnaeeslagb-usingdryquiekeoolingmethod,anaiyzesthePossibiliryofusingdryslagbyquiekcoolingasrawmaterialofcernenr,evaluatestheengineerinsinvestmentofdifferentslagnleasuresandtheirlinitedyears.andtherefore,eomestotheeonelusionoritsPossibilityuftharsysrem,KEYWOR5blastfurnace,sensibleheat,reeoveryslag1.kJ/(kg)l,,2,,,2558t,1992,000~5000:,,IJoo,1.191.1Table1Caiculationofsensiblehcatl5fromslag,m,3001000500200052004100.t/(m,d)2.02222.12.2,ks500500500450450350,oJ/:200.7638.5957.IJ9.4838.9925.2.:/a688.02786.132679.6392.762743.665690.3:..(243002)245011995,,,,2.,1986l[lj,:,256,9,710,12,,,[l,5t,]t0.6MPa0.st,0.07t,,12,,,,,,1,,,,,,,,2.,66.5%65,,,,23.1Fig.1Proeessfiowehartofdrnggranulatingslagstem1.2.3;5.6.7;8.g;10.11;12W”/”.tl;...Ž....!?,”.2F2Sensiblehcatrecoverysystemfromdryinggranulatingslagl.2.3;4.5,7;8.10.11.12;13.14,15.16.17;18.19,,5060,,,,.,,,,2Table2Ttiermaivaluevianormaleoal,m,tt,t/att,t/a100015006847.021786.032679.639214.762743.65690.34450.614160.92]241.725490.040783.342698.711||L|les|r-l|60.eao5102^203Mso,cao/510:l,,,,,.,80%[2,10/s,,343~10mm,10/s,12001300,;10C/s,800~1000,,,5.90%,1400,1450,2,,(),33,10/s.,40,}.\./:3Fis.3RelationsbiPbetweenlingsPeedandcrralljzatiormarerl12001000,Fig4RelatiollshiPbetwccneoolinssPeedandsolidiIngtemPerature19953Table3Slasthlekness,condensingtimeandeUnsPCed.....~.~~..~,~--~~~.0~}.1,l|Ž|U.”130302.2364mm,,/s0.25324680,,l,2,%,4.(),,67[.(),,728,,67,,(),,,,23,5.,,,8kg,,44,,21992:2!kJ/kg,______L____lwellesL1250L3QO.5F5RetioIPbCrweencool-startingtemruroadg5rate3010..14.d21Za6F6ComPressionstrengthofeementProducedbybvarioussg1.2,3170/t..,.1116..,cao/510:1;10C/s;14002,;,3.//}__r~--,142128d7F.7BreakingstrengthofcemerltI)rodueedbyvariousslagl,2,36Table4Costestin]ationforthesensibleheatreeoveryofquenebillgdr,51,m3,t/a./a,,a100015002000320041004450.6105.63102.9414160.921241.725490.040783.342698.7335.9504.0692926604.7967.61013.02.061.84l,xz,p~,,~.llrllx.1987,No.12.34~35.2,,1985,No.4.38~41.3,,1987.No7,2~4(J,,1987,No6.36