鞍鋼高爐爐缸爐底侵蝕數學模型的開發(fā)與應用.pdf

1、遼寧科技大學碩士學位論文鞍鋼高爐爐缸爐底侵蝕數學模型的開發(fā)與應用姓名：車玉滿申請學位級別：碩士專業(yè)：鋼鐵冶金指導教師：張崇民劉萬山20070317遼寧科技大學碩士論文目錄EstablishmentandApplicationofMathematicalModelErosionMonitorforHearthandBottomatAngangABSTRACTIntheoperationofablastfurnace，theworkstat

2、eofhearthandbottomplaysasignificantroleonobtaininggoodtechnicalandeconomicindexesandprolongingitscampaignlifeStartingwitherosionmechanismsandperformancesofthehearth&bottominablastfurnacethercasonssuchasthatthe‘elephantfo

3、ot’phenomenonoccurredatthebottom，theringcarbonbrickleaked，thecarbonbrickbrushedbyhotmetalandmeltedbyoxidationathightemperatureweresummarizedandtheworkingcharacteristics，strongpointsofceramicscupincludingsomeattentionssho

4、uldbepaidwhileproductionwerementionedthispaperBesides，developingprocessesoftherefractoryandstructureonhearthandbottomatAngangwereintroducedalsoAsanimportantpartofthispaperthemethodtoestablishamonitormathematicalmodelalon

5、gwiththerelationshipbetweenmeasurefiguresandpositionsandstylesofthemathematicalmodelwereputfrowardinthisworkFurthermore，thewaysofestimatingthechangesoftemperatureonhotsurface，meaSufingtheflowintensitytohearth／bottom，dedu

6、cingthepositionsofisothermallinessuchasat1150。CandhenceextrapolatinghearthworkstateinablastfumacebymeansofthismodelwereintroducedAsanexample，theapplicationofthismathematicalmodelatBFNo11ofAngangshowsthattherelationshipbe

7、tweenlongperiodabnormaloperationanditshearthworkstatecanbeanalyzedandexplainedin2003MoreoveraseriesofcriteriatoBFNo11ofAngangsuchasnormaltemperaturefieldsofthehearth&bottom，lineworktemperaturesweredeterminedbyusingthisma