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河北联合大学轻工学院QINGGONGCOLLEGE,HEBEIUNITEDUNIVERSITY毕业设计说明书设计（论文）题目：年产250万吨薄板坯连铸连轧带钢生产线工艺设计学生姓名：柳志伟学号：201015191012专业班级：10成型1班学部：工程教育部指导教师：万德成讲师2014年5月23日CAD图纸已在云盘分享：链接：密码：0mnsI摘要摘要薄板坯连铸连轧是20世纪80年代末、90年代初开发成功的生产热轧板卷的一项短流程工艺，是继氧气转炉炼钢、连续铸钢之后钢铁工业最重要的革命性技术之一。薄板坯连铸连轧集科学、技术和工程于一体，将热轧板卷的生产在一条短流程的生产线上完成，充分显示出其先进性和科学性。世界各国都对此给予了极大关注，使得薄板坯连铸连轧技术近年来又有了突飞猛进的进展。与传统生产工艺流程相比，短流程可节约投资、提高成材率、降低生产成本、大幅度缩减生产周期等。唐钢的薄板坯连铸连轧(FTSR)生产线，二期工程完工后，年产250万吨热轧钢卷，带钢厚度0.8～12.7mm。产品钢种为碳素结构钢、优质碳素结构钢和低合金结构钢。该生产线采用意大利达涅利的FTSR工艺技术，是国内第一条采用此项技术的薄板坯连铸连轧生产线，也是继加拿大的阿尔戈马钢铁公司，美国的北极星厂之后，购买此项技术的第三条生产线。其主要设备是：意大利达涅利公司提供的连铸机和两架粗轧机，日本的三菱公司提供的七架精轧机、两架卷取机，美国布里克蒙公司提供的隧道式加热炉。该生产线最大的特点是生产的产品较薄，最薄达到0.8mm，而且该生产线采用了许多新技术，来保证板形。其中最精华的部分是轧机，采用了世界上生产板带的最先进的轧机PC轧机。该工艺采用凸透镜型结晶器，带辊型的液芯压下，配备了先进的自动化检测仪表，实现计算机系统的顺序控制、逻辑控制、过程优化控制、生产质量控制等多层次全方位高智能化的自动控制。可实现3点除鳞、半无头轧制、铁素体轧制。本设计为年产250万吨薄板坯连铸连轧带钢生产线工艺设计，文中详细地介绍了连铸，加热保温，粗轧，精轧，冷却，卷取等一系列连铸连轧过程，重点放在了连轧部分。关键词：薄板坯连铸连轧；工艺设计；冷却；轧制工艺IIAbstractAbstractThinslabcontinuouscastingandrollingisashortprocessintwentiethCentury80timeend,atthebeginningofthe90'sdevelopmentandproductionofhot-rolledplatesvolumeissuccessful,aftercontinuouscastingoxygenconvertersteelmaking,ironandsteelindustryrevolutionarytechnologyisoneofthemostimportant.Thinslabcontinuouscastingandrollingofscience,technologyandEngineeringinone,thehotstripproductioninashortprocessproductionline,fullydemonstrateditsadvancedandscientific.Allcountriesintheworldhavegivengreatattention,thethinslabcontinuouscastingandrollingtechnologyinrecentyearshasmakeaspurtofprogressofdevelopment.Comparedwiththetraditionalproductionprocess,shortprocesscansaveinvestment,improveyield,reduceproductioncosts,greatlyreducedproductioncycleetc..ThinslabcontinuouscastingandrollingTangGang(FTSR)productionline,thetwophaseafterthecompletionoftheproject,anannualoutputof2500000thotrolledsteelcoil,stripthickness0.8~12.7mm.Productgradesofcarbonstructuralsteel,qualitycarbonsteelandlowalloysteel.TheproductionlineusingtheItalyDanieliFTSR(FlexibleThinSlabRolling)technology,isthefirstuseofthetechnologyofthinslabcontinuouscastingandrollingproductionline,butalsofollowingtheAlgomofCanada(Algoma)SteelCorp,AmericaPolarisfactory(NorthStarBHP),thirdproductionlinestobuythistechnology.Themainequipmentare:continuouscastingmachineandtworoughingmillsinItalyDanielicompany,sevenrollingmill,twoJapaneseMitsubishiCoprovidingcoilingmachine,tunnelfurnaceAmericabricmontprovidedbythecompany.Thecharacteristicsoftheproductionlineisthelargestproductionoftheproductisthin,thethinreached0.8mm,andtheproductionlineadoptsmanynewtechniques,toensureflatness.Thebestpartismill,usingtheworld'smostadvancedproductionofplateandstripmillPCmill.Aconvexlensmoldwiththeprocess,theliquidcorebeltrollertypepress,equippedwithautomaticdetectioninstrumentofadvancedcomputersystem,realizethesequencecontrol,logiccontrol,processcontrol,productionqualitycontrol,multi-levelandomni-directionalhighintelligentautomaticcontrol.Canrealize3descaling,semiendlessrolling,ferriterolling.Thedesignfortheannualproductioncapacityof2500000tonsofprocessdesignofthinslabcontinuouscastingandrollingstripproductionline,thepaperintroducedAbstractIIIindetailthecontinuouscasting,heating,rolling,rolling,cooling,coilingandaseriesofcontinuouscastingandrollingprocess,emphasisisputontherollingpart.Keywords:thinslabcontinuouscastingandrolling;technologydesign;cooling;rollingprocess.IV目录目录摘要...............................................................................................................................IABSTRACT.....................................................................................................................II目录..............................................................................................................................IV前言................................................................................................................................1第一章综述................................................................................................................21.1概述.........................................................................................................................21.1.1薄板坯连铸连轧技术优点.............................................................................21.1.2薄板坯连铸连轧带钢生产工艺近年来的新发展.........................................21.1.3薄板坯连铸连轧生产现状.............................................................................31.1.4薄板坯连铸连轧技术.....................................................................................31.2依据及厂址选择.....................................................................................................41.2.1生产线设计依据..............................................................................................41.2.2建厂依据..........................................................................................................41.2.3建厂可行性......................................................................................................51.2.4厂址选择...................................................