电弧炉炼钢工艺二恶英节能型防治措施张玉君

1121．2100192．243005、。ENERGY-EFFICIENTCONTROLMEASURESOFDIOXININPROCESSOFELECTRICARCFURNACEEAFSTEELMAKINGZhangYujun1YangChungen1FanMeiling21．HuatianEngineering＆TechnologyCorporationMCCNanjing210019China2．AnhuiUniversityofTechnologyMaanshan243005ChinaAbstractThispaperdescribesthestructureandtoxicityofdioxinanddiscussedthegenerationofdioxinsduringtheEAFsteelmaking．TheemphasisisonthecomparisonofdifferentpreventivetreatmentsofdioxinproducedbythedisposalofEAF’soff-gasintermsofsavingenergy．Itisproposedthemostenergy-efficientdioxincontrolmeasuresduringelectricarcfurnacesteelmakingprocess．Keywordselectricarcfurnacedioxinenergy-savingcontrolmeasure0PCDDsPCDFs。22PCDDs12PCDFs。1～4PCDDs75PCDFs135。。210900“”。。。。、。。、。。11.1、。PVC。。。。1.2288201110295DOI:10.13205/j.hjgc.2011.05.0141。PCDDPCDF。1400℃850℃。。2。200～600℃。250～400℃。2。2.1。。。。、、、。。。。2.2。。。。、。。。、。1。1100≤60100≥150100≤60—100≤50100≤50100≤501002.32.3.11—2—3—4—5—6—7—8—9—10—11000℃200℃。198201110295。。、、。80%～95%。。。2.3.2200℃。65%～85%95%99%。。10%。。。2.3.3、、、。。。。。80%70%。98%。。。。2.3.4。。。2。1—2—3—4—5—6—7—8—9—10—2CO。750～900℃。200℃。4s。。。PCDD/FPCDD/F3。。09201110295398.4%180～260℃。3。。1LehnerJAFriedacherGouldLetal．Low-costsolutionsfortheremovalofdioxinfromeafoffgasJ．IronandSteel200439467-70．2．J．200927660-62．3．J．200[e-mail]2010－12－20櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅87。1．J．200725141-46．2．VOCsJ．20071384-91．3KochWH．RefuelingvaporrecoveryintheunitedstatesJ．PetroleumEquipment＆Technology1998326-30．4U．S．AEnvironmentalProtectionAgency．StageⅡvaporrecoverysystemsissuespaperR．USAUSAEnvironmentalProtectionAgency2004．5．J．2009141298－102．6．J．200922156[e-mail]2011－01－1019201110295