低硫鋼的生產(chǎn)工藝研究與應(yīng)用

1、東北大學(xué)碩士學(xué)位論文低硫鋼的生產(chǎn)工藝研究與應(yīng)用姓名：張紅旭申請學(xué)位級別：碩士專業(yè)：冶金工程指導(dǎo)教師：于景坤郭世寶20060701東北大學(xué)碩士學(xué)位論文目錄AbstractSulphurisaharmfulelementinthesteel，anditinfluencesthequalityandperformanceofsteelproductsbadlyItisanimportanttasktoremovesulphurfromthes

2、teelforthesteelproductionprocessReducingsulphuramountfromsteelproductsisalleffectiveapproachtoameliorateitsperformance，improveitsqualityandmakemorevarietiesDesulfuratedtechnologyplaysacrucialroleintheprocessofsteelmaking

3、Syntheticalmethodssuchasdesulphu“zationofmolteniron，controllingsulphurcontentinconverterdesulfurizingdeeplyinrefiningprocesswereinvestigatedinthispaper。Theresultshowedthattakingpulverizedlimeandmagnesiumasdesulfuratedage

4、ntkeepingejectiongun’sdeepofpenetrationat25m300mmabovehotmetalladlecouldgetbestdesulfuratedeffectIntheprocessofcontrollingsulphur，sulphurcontentinchargingmaterialsuchassulphurcontentinscrap，slaggingmaterialshouldbelimite

5、dtoconvincethatsulphurcontentindemandedextentConsideringdesulfuratedeffectandcost，appropriatesulphuramountinhotmetalisO010％Intheprocessofrefinement，thecomponentofslag，basicity，andtemperatureinsteelshouldbewellcontrolledE

6、nhancingthestirofslagispropitioustotheinterfacereactionofslagandsteelUsingthetechnicalmethodsabove，sulphurcontentofsteelcanbeattainedlessthan0005％Keyword：desulphurization，refinement，lowsulphursteel，desulfuratedagent，pret