攀钢1450热轧厂加热炉燃烧模型开发与优化

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1、西南交通大学研究生学位论文攀钢145o热轧厂加热炉燃烧模型开发与优化年级三里里!竺——姓名罗宝军申请学位级别工程硕士专指导业材料工程教师√型攀-．泛二Oo七年一月西南交通大学硕士研究生学位论文第ll页AbstractTherearefeWsuccessfulcasesonthefumacecombustioncontrolmodelinChinaduetoheatconductionpresentingaverycomplexprocess．Inthisstudy,afurnaceautomaticcombustioncontrolmodelhasbeendeveloped

2、andoptimized，whichusedinthetworeheatingfurnacesofPangang1450Hot—stripMill．ThefurnaceautomaticcombustioncontrolmodelwassuccessfullyappliedinthecontrolsystemofreheatingfumaceofPangangGroup，andbecomeatypicalcaseforotherironandsteelWOrks．Therearetwopartsinthisstudy．Thedevelopmentofthefurnaceau

3、tomaticcontrolmodelsystemwasinducedinthefirstpart，andtheoptimizationmethodofthemodelwasinvestigatedinthesecondpart．ThedevelopmentofthemodelwasthecooperationoutcomebetweenthePanggangGroupandChongqingIronandSteelDesigningInstitute．Inthispaper,theprocessesandthemathematicsmodelofreheatingfuma

4、cewasthemainaspectofstudy．Thisfurnaceautomaticcombustioncontrolmodeliscomposedoffivemoduels，suchaschargemoduel，rechargemodule，diapausemodule，cyclemoduleanddatafiling—upmodule．Theoptimizationofthemodelhasbeencarriedoutbyindustrialtestingandthesetupofoff-linemodel．Inonehand,theactualtemperat

5、eofslabwasmeasuredbyblack—boxtesting，andcomparedwiththecalculationresultsofmodelcomputation．Asaresult，theaccuracyofthemodelcomputationhasbeenvalidated，andtheinappropriationofthedistributionofheatloadandthetemperaturedifferencebetweentheinteriorandouteriorsideoftheslabcouldbefound．Intheothe

6、rhand，anoff-linemodelofthereheatingfurnacehasbeenset叩andvalidatedbyoff-linesimulatingmethod．Atthesametime，incombinationwiththeindustrialtesting，theverificationandoptimizationofthechargetemperaturecalculationandmodelparameters，andtheoptimizationoftheselfstudymodelofdischargetemperaturemodul

7、eandpre·rollingmodelhavebeencompleted．Theresultsshowedthatthemodelwasmnninginanaccuratestatethoughtheoptimization．Thiscontrolmodelsystemoftherollingreheatingfurnacehasbeenbuiltupandappliedinactualproduction．Theapplicationratiohasbeenreached100％innormalproducti