钢厂矿渣微晶玻璃制造及效益分析

(,610031),,,,:,1,2100t,600t,,,5%,,2211,,:(1),;(2),,,;(3);(4):(1);(2),,,,,,,21221211,,11,,CaO2MgO2Al2O32SiO2,CaOMgOAl2O3Fe2O3,,SiO2CaOMgO,,Na2OBaOZnOBO2,1SiO2Al2O3CaOMgOFe2O3MnO3118213182391189195318701672121250%55%30%35%03%3%5%10%15%2%6%22SiO2Al2O3B2O3CaOMgOBaOKNaO511776101018923144147318661155185(),(14501550),,:21321311,,,()()2520044222,u:u=V[1-exp(-GPT)]u;V;;G,,T,,,,:23Pmin850,2030min,35Pmin900980,2030min,100:,;,21312,,11201250;,9401140,,,,,,,1300,,21313,,,;,,,,:,,,;,,,,,,,2mm214,:532kgPmm2,:150400MPa,:3550MPa,:(4070)10-3P,:20003000JPm2,:01073mgPcm2,3,,,,,,;,510;,1012;20%;,;,,,,,3415m2,:137015,:5524126:=--=13701516410-5524126-210619=1516%=1516%3415=5138m2,5138m2,;175%,22417%,8814%(),,35200442222010,,,75%,,;;,,,4,,,,1,,.2..:,1996.2,,,,..,200012.3,,.,2001.(7):1518.4,..,2000125.(4).6100314102003-06-203(,255049)31,,,,,,,,,,,,2,,,,,,,,,,,2114520044222NUMERICALSIMULATIONFORTHEFLOWFIELDINACYCLONESEPARATORANDTURBULENTMODELANALYSISLiWendongetal(37)AbstractAnumericalsimulationhasbeenmadeforacycloneseparatorwithatangentialinletusingtheSIMPLEalgorithmonstaggeredgrid.Inordertofindoutagoodturbulentmodeltopredicttheswirlingflow,thestandardk2turbulentmodel,SmithmodifiedturbulentmodelandChen2Kimturbulentmodelwereadoptedrespectively.ThecalculationresultswerecomparedwiththatoftheexperimentandshowsthattheSmithmodifiedmodelismoresuitabletopredicttheswirlingflowinthecycloneseparator.Keywordscycloneseparator,swirlingflowfield,SmithmodifiedmodelandChen2KimmodelDEDUSTTINGFUNCTIONANDDESIGNOFVERTICALCYCLONICWATERDUSTSCRUBBERChenXishanetal(39)AbstractInthispaper,thededustingfunctionofanaxialflowverticalcyclonicwaterdustscrubberisanalyzedbymeansofLeithstheoryofboundarylayerseparation.Atthesametime,atheoreticalformulaofdedustingefficiencyanddiameter2heightratioetcareobtained.Keywordscyclonicwaterdustscrubber,boundarylayerseparationtheory,dust2catchingspaceandsimilarquasi2numberRESEARCHONDESULFURIZATIONUSINGCOKINGWASTEWATERWITHPULSEDCORONADISCHARGEShaoGuiweietal(43)AbstractWeinvestigatedtheapplicationofpulsedcoronadischargeprocessinWuhanIntegratedSteelPlant,inwhichSO2wasremovedfromsimulatedfluegaswhilecokingwastewaterinjectedintothereactor.Theresultsindicatedthatcokingwastewaterwasabletodesulfurize.Upto85%SO2inthesimulatedfluegascanberemoved,introducingpusledcoronadischargetothereactorenhancedtheremovalefficienciesofSO2.WhenSO2wasremovedfromsimulatedfluegas,oilandphenolscontentincokingwastewaterdecreasedgreatlyandupto99%cyanidewasdegradedbypulsedcoronadischarge,whichwasimportanttosolvetheproblemofaerobicbacteriainactivationinthebiologicaltreatmentprocessofcokingwastewater.Hence,itmakesthebiologicaltreatmentprocesseasier.Thisresearchmayprovideanewthinkingforfluegasdesulfurizationandcokingwastewatertreatmentinanintegratedsteelplant.Keywordspulsedcoronadischarge,fluegasdesulfurizationandcokingwastewaterEXPERIMENTALSTUDYONREMOVINGVOCsBYPHOTOCATALYSIS2ASSISTEDGASDISCHARGELiangYahongetal(46)AbstractThispaperdescribedanewmethodinvolvingphotocatalysis2assistedgasdischargeplasmatechnologyforremovingVOCsdestruction.AplasmapackedbedfilledwithcoatedtitaniumdioxideporcelainbeadswasusedtodecomposeVOCs.TheexperimentprovedthatthetreatmentofVOCsbythisprocesshadanotableeffectiveness,whoseremovalratewas10%17%higherthanthatoftheonewithoutnano2TiO2photocatalysis.Keywordsgasdischarge,photocatalysisandVOCsFURNACEARCHAIDEDDESIGNOFTHETWO2STAGERECIPROCATINGGRATEINCINERATORZhaoYingetal(49)AbstractACFDmodelbasedonPHOENICS3.2codewasbuilttosimulatetheworkingconditionsofthetwo2stagereciprocatinggrateincinerator.Themaingoalwastostudytheeffectsoffurnacearchstructureandsizeontheflowfield.Theresultsofthesimulationdemonstratedthatmovingtheposteriorarchbackwardscanavoidbanking,andimprovetheextentofflamefullnessinthechamber.Thereisanoptimalmovingdistancethatcanensuretheturbulenceattheapertureoflarynxandmakefulluseoftheradiationandconvectionofthefurnacearch.Basedontheconditionsofturbulenceandvelocityofairinthechamber,theposteriorarchshouldbemovedback0.5mundertheoriginalfurnace.Keywordsincinerator,furnacearch,flowfield,PHOENICSandsimulationCLASS2CERAMICSMADEFROMINDUSTRIALSLAGINSTEELMILLANDBENEFITANALYSISChuHailin(52)AbstractDevelopingnewtypematerialfromindustrialslagisapotentmeanstoprotectenvironment,thispaperintroducestheglass2ceramic4ENVIRONMENTALENGINEERINGVol122,No12,April,2004productioninasteelmill,whereblastfurnaceslagisusedasmajorrawmaterials,includingmaterials,prescriptionandpivotaltechniquesofproduction.itisconcludedthatusingblastfuranceslagtoproduceglass2ceramicisfeasible,andithasagoodprospectandenvironmentalbenefit.Keywordsindustrialslag,glass2ceramicsandenvironmentalbenefitRESEARCHONMUNICIPALDOMESTICREFUSETRANSFEREQUIPMENTLChuanyietal(54)AbstractThetransferwayofmunicipaldomesticrefusesisanalyzedinthispaper.Thedevelopedchain2drivingrefusetransferstationofhorizontaltypeisintroduced.Andthekeytechnologyofanewtypecompressionrefusetransferstationwithwedge2shapedcompressorisalsointroduced.Keywordsmunicipaldomesticrefuse,transferequipment,refusetransferstation,horizontal