低成本去除电弧炉废气中二恶英的方案

低成本去除电弧炉废气中二恶英的方案第39卷第1期2004年1月钢铁IRONANDSTEELVol.39,No.1January2004低成本去除电弧炉废气中二恶英的方案J.LehnerA.Friedacher(林茨环境工程技术办公室)(雷欧本矿冶大学)L.GouldW.Fingerhut(奥钢联工程技术公司)摘要钢铁工业承受着不断降低工艺废气中所含二恶英和其他有害排放物的巨大压力。在20世纪90年代初,奥钢联开始研究用于烧结厂和电弧炉的新型废气净化系统并显著提高了净化效率。对新方案及其实际应用效果进行介绍。关键词二恶英电弧炉废气环保①LOW-COSTSOLUTIONSFORTHEREMOVALOFDIOXINFROMEAFOFFGASJ.Lehner(TechnicalOfficeforProcessandEnvironmentalEngineering,Linz�Austria)A.Friedacher(LeobenUniversityofMiningandMetallurgy,Leoben�Austria)L.GouldW.Fingerhut(VOEST2ALPINEIndustrieanlagenbauGmbH&Co(VAI),Linz�Austria)ABSTRACTTheironandsteelindustryisunderconsiderablepressuretocontinuouslyreducethelevelsofgenerateddioxinsandotherharmfulemissionsfromprocessoffgas.Intheearly1990sVAIcommencedwiththeinvestigationofnewoffgascleaningsystemsforsinterplantsandelectricarcfurnaces(EAF)whichresultedinaconsiderablyimprovedoffgas2cleaningefficiency.Thispaperoutlinesthetechnologicalsolutionsofthenewlydevelopedgas2treatmentsystemsandapplicationresultsinthesteelindustry.KEYWORDSdioxin,EA