钢渣的综合利用

(,200082),THECOMPREHENSIVEUTILIZATIONOFSTEELMAKINGSLAGSongJianmin(ShanghaiMechanical&ElectricalIndustryProfessionalCollege,No12Branch)AbstractThephysicalandchemistrycharacteristicsofsteelmakingslag,aby2productofsteelindus2try,wereexplained.Thecomprehensiveutilizationofsteelmakingslaginallthefieldswasintroducedsuchasroadconstruction,sinter,cement,buildingmaterialandagriculture.KeyWordsSteelmakingSlag,ComprehensiveUtilization,BuildingMaterial,Sinter1,20%1400t[1],,,,,,,,,2,,,;,,,116218t/m3,3142%612%,,pH121[2](),CaOfCaOfCaOCa(OH)21CaOMgOSiO2Al2O3FeOFe2O3MnOP2O3SfCaO/%54106211773514616116301119198417201171136211632019731007172017101601380139010401770216Vol121,No1645199911SHANGHAIMETALSNovember,1999,,,,():fCaO115%,011%,015%,fCaO,,,[3]:,08mm,830mm33111937[4],,[1]2[5],,;,,,2BS812part330%max20%BS812part325%max14%BS812part310%max3%BS812part360%good60%65%BS812part135%max6%BS812part2-315BS812part24%max02%BS812part12112%max0115%pH1014ASTM4792015%ASTMD3625-1990100%BSDD184:BS312,CaO,,,,[6]:(1),;(2),Al2O3,MgO,,;Mn,Mn(3),(4),,,,,6421,CaO,08mm(5mm),313(),30%,60%,,[3],,(3),28d,625#3/%/%/%9210318017CN1078446A1993111117()40701034(CaSO4)1530(,,)930min1342min4h15MPa28d40MPa[7]42435154Na2O,SiO2,CaOK2OAl2O3,3h,3d29MPa,28d5018MPa9210310817CN1078446A1993111117404715471556(CaOFeOAl2O3)46SiO2/Na2O0182113d20MPa,28d55165MPa9210318311CN1078447A19931111173040354520305%10%,425#8710446313CN1030067A198911143545354552057Ca.K(OH)425#:(1),,,,,400m2/kg,(2)MgOMgO13%31431411,,746:1991,110m2,,,30m2,[2],,,,,,300kPa,,,:(1)(2),(3)pH,,,,-3m31412,1998,,[8],,70kPa140kPa315410m450mm,,,115116m,,,,,,,,,,250kPa315FeOCaOSiO2,,(,)(,),,[9],4,[10]54/%/%/%/%/%/MPa/Mpa603001021162127567201032212214100603005523153111505(%)SiO2CaOMgOFeO+Fe2O3MnOZnO4252101523917418610016017;,35,,8421,,,316PCaSi,,30004mm,150m,[4]CaO,,317,,10t,317,;4,,,[1]...1998,(1)[2]...1998,(7)[3],...1998,(2)[4]W.BarryFeetherson.Slagtreatmentimprovementbydrygranulation.lronandSreelEngineer.1998,(6)[5]BritishStandards63.594.812.etc.[6]...1997,(3)[7]...1996,(5)[8]...1998,(9)[9]..:,1988[10]...1997,(2):19992022222,,1(),80t2,POSVEN()200tJapanMetalBulletin1999203208946: