年产55万吨棒材车间工艺设计

学号：毕业设计说明书GRADUATEDESIGN设计题目：年产55万吨棒材车间工艺设计学生姓名：专业班级：学院：指导教师：欲得本设计说明书QQ2297806922009年05月29日毕业设计说明书摘要摘要根据任务书要求，设计年产55万吨小型棒材厂。按照车间设计的步骤，主要完成建厂经济依据论述、产品大纲制定、轧机比较及布置选择、孔型系统的选择及典型产品的孔型设计、速度制度和产量确定，力能参数的计算及校核、辅助设备的选取、金属平衡以及水电消耗计算等。设计中参阅了国内有关棒材轧机的先进工艺、轧机的装备、技术、孔型系统及一些辅助设备的论述，特别参考了唐银棒材厂与八一棒材厂生产线参数，使本设计车间达到工艺合理、设备先进、留有进一步提升产品档次的现代棒材车间。棒材以定尺交货，横列式、半连续式、全连续式各种轧机都可以进行生产。平立交替的连轧棒材方式事故少，生产效率高，产量大。考虑生产时顺畅，自动化程度高、质量控制稳定，设计采用全线无扭连轧方式。产品规格为φ12～32mm圆钢，φ14～26mm螺纹钢。典型产品为φ14的圆钢。设计附有车间平面图、孔型图及配辊图。关键词：车间设计；棒材连轧；孔型设计；高精度毕业设计说明书摘要ABSTRACTAccordingtothetaskrequirement,anannualoutputof550,000tonsofsmallbarsfactoryisdesigned.Accordingtothedesignstepsoftheworkshop,Thefollowingaspectsarecomplished,suchastheeconomicaccordanceofbuildingtheworkshop,thedistributionofoutput,millcomparisionandlayoutchosen,passsystemchosenandpassdesignofclassicproduction,velocitycomputingandoutputplanned,mechnicalcalculationandtest,auxiliaryequipmentchosen,metalbalanceandwaterandelectricityconsume,etc.Referringtothedomesticadvancedrollingtechnology,rollingequipment,passandauxiliaryequipmentchoosing,specially,referringtoproductionlineparametersofTang-YinsteelandBaSteel,thisensurethatthetechnologyisreasonableandchosedequipmentisadvancedandthereisspacetoproducehigh-profitrod.Barissalebysizing.Allkindsofrollingmillcanproducebar,suchasopen-trainmill,Bartolengthdelivery,bar-style,semi-continuoustrainandthecontinuoustrain.Thepatternofcontinuousrollingbarinhorizontalandverticallooperhasthespecilityofthefeweraccident,highlyefficientandhighoutput.Inconsideringofthesuccessfullyproducing,highleverautomation,andstablequalitycontrolling,thenotwistcontinuousrollingisadoptedinthispaper.Theproductionsizerangeisfromφ12toφ32mmbarandfromφ14toφ26mmrebar.Theclassicproductionisφ14bar.Theworkshoplayoutandpasspaperandarrangepasspaperisattached.Keywords:workshopdesign;continuousrollingbar;passdesign;highprecision.毕业设计说明书目录I目录引言............................................................................................................错误!未定义书签。1综述..........................................................................................................错误!未定义书签。1.1棒材产品的用途.............................................................................错误!未定义书签。1.2棒材的生产工艺.............................................................................错误!未定义书签。1.2.1棒材的生产特点..................................................................错误!未定义书签。1.2.2坯料......................................................................................错误!未定义书签。1.2.3加热......................................................................................错误!未定义书签。1.2.4轧制......................................................................................错误!未定义书签。1.2.5冷却和精整..........................................................................错误!未定义书签。1.3小型棒材轧机的低温轧制.............................................................错误!未定义书签。1.4建厂依据.........................................................................................错误!未定义书签。1.5厂址的选择.....................................................................................错误!未定义书签。2产品大纲及坯料选择..............................................................................错误!未定义书签。2.1产品大纲的确定.............................................................................错误!未定义书签。2.1.1编制产品大纲的原则..........................................................错误!未定义书签。2.1.2产品方案的主要内容..........................................................错误!未定义书签。2.1.3产品大纲..............................................................................错误!未定义书签。2.2坯料选择.........................................................................................错误!未定义书签。2.2.1连铸坯的特点.......................................................................错误!未定义书签。2.2.2钢坯的特点...........................................................................错误!未定义书签。2.2.3小钢锭的特点.......................................................................错误!未定义书签。2.3坯料选用时所考虑的因素...........................................................错误!未定义书签。2.3.1坯料形状尺寸......................................................................错误!未定义书签。2.3.2钢坯规格及允许偏差...........................................................错误!未定义书签。3轧机的选择..............................................................................................错误!未定义书签。3.1轧机型式对比与选择.....................................................................错误!未定义书签。3.1.1开式机架..............................................................................错误!未定义书签。3.1.2闭式机架..............................................................................错误!未定义书签。3.1.3半闭口机架...........................................................................错误!未定义书签。毕业设计说明书目录II3.1.4短应力线轧机......................................................................错误!未定义书签。3.1.5平立可转换轧机..................................................................错误!未定义书签。3.2轧机布置选择比较.........................................................................错误!未定义书签。3.2.1横列式布置轧机....................................................