45號鋼轉(zhuǎn)爐冶煉質(zhì)量控制的研究

1、河北理工學(xué)院碩士學(xué)位論文45號鋼轉(zhuǎn)爐冶煉質(zhì)量控制的研究姓名：張亞琴申請學(xué)位級別：碩士專業(yè)：鋼鐵冶金指導(dǎo)教師：王碩明張貴銀20040113AbstractInourcountrysteelproductsemployedperiodlong，timberingmoreandthesupplyofscrapsliR|elimitedthedevelopmentofelectriccooker，Somanyconvenerplantsexpl

2、oitedspecialsteelswithhighadditionalvaluesasanewwaytoattaineconomicbenefitAtpresent，useblastfumaceconverter—continuecastingproducingcarbonstructuralsteelsisoneofthemostfutureprocessesinspecialsteelmanufacturetechniqueShi

3、JiazhuangironandsteelCorphasdiscussedthe“blastfurnace—converter。continuecasting”technicsproduce45steelforcostandattainedbettereconomicbenefitaftertheprocesswasputintouseButbecauseofthequestionsofthecomponentsdifficulttoc

4、ontrol(mostlyCcomponent)，liquidsteel’scloggingandthequalityofslabdifficulttoensuretheslab’scapabilitiesarenotstabilizationThispaperabstractlyanalyzedthefeasibilityandfutureoftheprocessoftopblownoxygenconvertersecondaryre

5、fining—continuecastingproducing45steelThroughlargenumbersofproductiondata，analyzedthesomeimportancetechnicalparametersoftheprocessofconverterproducing45steelinShiSteelandputforwardtheacademicgistforascertainthepracticalo

6、perationaltechnicalparametersAnalyzedtheevolvementruleoftotaloxygencontentandsolvedoxygenandtheamountchangeoflargeinclusionsandmicro—inclusionsinworkingprocedureofsmelting45steel，suppliedbasesfortheimprovementoftechnicsa

7、ndsteelcleanlinessandtheexploitationofelsespecialsteelsAppliedPHOENICStosimulatetheflowfieldofladleUsingequationsofhomogeneousmodelandtheequationsofNavier—StokesandK一￡establishedfluxionmodel，accountingnumericalvaluegotth

8、emorerationalflowfieldtoinsuretheuniformityofliquJdsteelandtemperatureandurgeinclusionsremoval，provideeligibleliquidsteelforcontinuecastingTopblownoxygenconverteradoptedrecarburizationtosmelt45steelandresolvedtheendcarbo

9、ndifferenttocontr01Inordertoremoveinclusions，rapidlyincreasethetemperatureanduniformthecomponentofliquidsteel，simulatedtheflowfieldofliquidsteelinLFgotthebetterpositionofargonbottomblowstirringladle04r～045rtoimprovetheef