生产工况切换下步进梁加热炉炉温在线动态优化方法-研究

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1、万方数据东北大学硕士学位论文AbsttactResearchonOn-lineDynamicOptimizationMethodsofFurnaceTemperatureinWalkingBeamReheatingFurnacewithOperatingMode’SSwitchAbstractReheatingfurnaceistheimportanteqmpmeminthesteelrollingproductionprocess．Theproductionofthereheatingfurnaceisaprocessoftheriseofthebillettemperature，whi

2、chcanbedescribedbythenonlinearpartialdifferentialequationofheatconduction．Themainpurposeofreheatingfurnaceproductionistomaketheslabtemperaturedistributionmeet、Ⅳimtherequirementsoftherollingprocess，andachievethefeweststockscalelossandenergyconsumption，accordinglytoimproveproductqualityandreduceprod

3、uctioncosts．Fromtheviewoftheglobaloptimizationinproductionprocess，theoptimizationmethodsofthereheatingfurnacetemperaturearetogiveaoptimizationtemperatureofthedifferentpartinreheating缸macesatisfyingtheconstrainsinreheatingfurnaceproductionprocess．Theinitialtemperatureofthebillets，thetypesandspecifi

4、cationsofthesteels，rollingrhythmproductionconditionsareoftenchangedduringthereheatingfurnaceproductionprocess，whichmakestheproductprocessexistingstronguncertaintyanddynamiccharacteristic．Inthiscase，wemustadjustthereheatingfurnacetemperaturetomakethebilletstemperaturedistributionmeet、Ⅳitlltherequir

5、ementsoftherollingprocessandimproveproductquality,reduceenergyconsumption．Theexistingliteraturegenerallydiscussabouttheproblemoftheoptimizationandcontrolofthereheatingfurnaceunderthespecialoperatingmodewhiletheresearchonthedynamicoptimizationmethodsoffurnacetemperatureinreheatingfurnacewi协operatin

6、gmode’Sswitchisless．Howeverthesettingvalueofthefurnacetemperatureisbasedontheartificialexperienceattheproductionsite，whichisdifficulttomakethecontrolsystemachievetheoptimaladjustmentandresultintheproblemoftheproductionefficiencyandproductquality．Aimingattheproblemsoftheon-linedynamicoptimizationof

7、furnacetemperatureinreheatingfurnacewithoperatingmode’Sswitch，thispapergivessomeresearchachievements：Firstly,thispaperanalyzesanddescribestheproductionprocessofthereheatingfurnace，．V一万方数据东北大学硕士学位论文Abstractpropose