钢厂连铸二冷配水控制与仿真

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1、万方数据河北科技大学硕士学位论文万方数据AbstractAbstractContinuouscastingisoneofthemainprocessofsteel—making，andthesecondarycoolingistheCOI．'etechnologyofcontinuouscastingprocess．Studieshaveshownthatifthesecondarycoolingisundeserved，itwillnotonlyleadtocastingblankqualitydefects

2、，butalsoaffecttheproductionofcontinuouscastingmachine．Atthissubject，tomakeagoatofimprovingthesurfacequalityofcastingblank，forthedefectsexistatHBIS，suchasSLIFfaCecrack，centi‘alporosityoncastingblank，itwasbuiltthesolidificationheattransfermathematzcaImodel．and

3、usedthemathematicalmodeltodesc『l·jbethesolidificationp}．ocess．Atthesametime，itwasbuiltthesecondarycoolingwaterdistributionmodelIArlderthecertainruleofmetallurgy,andreferringtothegoaltemperatureandthep【．ocessparameters，confirmedthereasonableprocessparameterso

4、fsecondary．coo]ing、Vaterdistribution．improvedthewatervolumeofeachsecondarycoolingzoll．e．Atthissub、iect，itusedVisualBasic6．0languagetowritethecontinuouscastingsecondarycoolin坚water’distributioncontrolsystem．Andthecontrolsystemnotonlycallrealizethefunctionsire

5、ulation，butalsocanrealizethefunctionofguidancecontrolonlineproduction．Thettserscaninputparametersofsteelgrade，slabsection，drawingspeedinthesystemaccol’di犯totherequest，andthecomputercarlcalculatetheslabsurfaceternperatureandsimt,latethesolidificationoftheshel

6、lbasedonthebuiltmathematicalmodel．Atthes-'lllletime，accordingtotheparameterssuchaspouringtemperature，castingbTanksectionandcastingspeed，thecontrolsystemcarlcalculatethesecondarycooling、、7atet’andmakethedjustmentonthebasisofthecomparisonresultsbetweenthecasti

7、ngblanksurfacetztmpel’aftlreandtargettemperature．Thusitensuredtheoptimalwaterdist：’ibutionofthesecondarycoolingzone，andkeepthecastingblanktemperatureco,jsistentwiththetaz’坚eCtemperature，SOthatitensuredthequalityofcastingblank。1．'f．e3words：Contir：uotlscasting

8、；Secondarycooling；Castingspeed；Solidificationandheartrap,zfermathematicalmodel；WaterdistributionIll万方数据，河北科技大学硕士学位论文万方数据目录摘要．⋯．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．⋯．．．IAbstract