鐵浴式熔融還原爐的物理模擬研究.pdf

1、內蒙古科技大學碩士學位論文鐵浴式熔融還原爐的物理模擬研究姓名：王周勇申請學位級別：碩士專業(yè)：鋼鐵冶金指導教師：張捷宇20090516內蒙古科技大學碩士學位論文AbstractWiththeeconomicsocietydeveloping，itfullyshowsthattheresourcesshortageandenvironmentloadhaveaggravateddaybydayItisveryurgenttoexploitn

2、ewtechnologyteplacethetraditionalThesmeltingreductionironmakingtechnologyisoneofthemainresearchfieldsInternationalIronandSteelsectorhasnotstoppedforsmeltingreductionironmakingtechnologydevelopmentpaceThedevelopmentforthe

3、smeltingreductionironmakingtechnologywasneverstoppedintheworldTllisthesisjustgeneratesunderthisbackgroundUsingwatermodelingandmathematicalsimulationmethod，thefluidflowcharacteristicsintheSmeltingReductionFurnace(SRF)hasb

4、eeninvestigated11lcstudyofwatermodelinghasbeenbuiltonthebaseofsimilarityprinciple111egeometryanddynamicsimilarlynumberswereconsideredmainlyForwatermodelingsystem，waterhasbeenusedinsteadofsteeland20#oilhasbeenusedinsteado

5、fslagThemodelWasmadeofacrylics，whichWasintheproportionof1：1FordynamicsimilaritythesimilaritynumberofF’rWasconsideredTheeffectoftheoil／waterratio，bottomblowingrate，thesideoflancesandthetopoflancesonbathstirringhavebeenstu

6、diedinironbathofSmeltingReductionFurnace、析thwatermodelingForthemathematicalsimulationutilizingthecommercialsoftwareFluent，thethreedimensionalmathematicalmodelweresetupaccordingtothetheoryofcomputationalfluiddynamicsnlesi

7、mpleboaomblowingofflowfieldhasbeenstudied，theresultsofnumericalsimulationcouldbeexaminedFromthepresentphysicalandnumericalsimulationresearch，thefollowingconclusionsCanbedrawn：(1)111eeffectsofbottomblowingflowrate，topblow

8、ingflowrateandthetoplancelevelonthemixingtimeinironbathofSmeltingReductionFurnace(SRF)havebeenstudied、析thwatermodelingThetestofthesinglelanceatboRomshowedthetendencythatthemixingtimereducedastheboRomflowingrateandthethic

9、knessofoilincreasedForthetestoflanceattopside，themixingtimedecreasedasflowrateincreasedandthemixingtimeWasdifferentwhenthelancepositionWasdifferentComparingthemixingtimeandtheamountsofspraying，thebestconditionsobtainedth

10、roughtheorthogonalexperimentwereasfollows：9L／minofbottomblowingflowrate，15m3／hoftopblowingflowrateand350mmoftoplancelevel(2)Theresearchofsideblownfoundthat：Bothinthesinglesideblownandthetopbottomcombinedblownexperiment，t