本科毕业论文-—年产490万吨热轧板带钢车间工艺设计.doc

年产490万吨热轧板带钢车间工艺设计辽宁科技大学本科生毕业设计（论文）第页年产490万吨热轧板带钢车间工艺设计摘要国民经济建设与发展中大量使用金属材料，其中钢铁材料占有很大比例，板带钢产品薄而宽的断面决定了板带钢产品在其生产和应用上有其特有的优越条件，而热轧带钢工艺的成熟，更是为冷轧生产提供了优质的原料，大大地满足了国民生产和生活的需要。本车间参考鞍钢2150生产线，设计生产能力为年产490万吨，典型产品为：Q345-A，2.5mm1400mm。主要设备有三台步进式加热炉，一台粗轧除鳞机，一架四辊可逆粗轧机（5000吨），六机架四辊精轧机组(3架CVC轧机和3架PC轧机)，三台卷取机，及各种附属设备。设计以年产量为基础，结合各产品的市场前景合理地分配各产品的产量，制定产品方案和金属平衡。以典型产品为例，制定了工艺流程和压下制度、速度制度、温度制度、辊型制度等，并校核了轧机生产能力，计算了各项经济技术指标，绘制了一张车间平面图。在专题中详细论述了铝及铝合金种类,生产工艺及应用。关键词：热轧带钢；压下规程；铝及铝合金；成型工艺Annualoutputof4.90milliontonsofhotrolledflatsteelplantprocessdesignAbstractLotsofmetalmaterialsarebeingusedincountry’seconomicconstructions,steelmakesupabigproportion,Theproductofsteelstriparewidelyproducedandusedbecauseofitsspecialsuperiorfunction.Asitsindustrialartgetclosetomaturityandprovidecoldrolledsteelstripwithrawmaterialofexcellentquality,whichsatisfyrequirementsofpeople’slives.Referingtothe2150HotRollingStripSteelPlantofAnSteel,thedesignedplanthasanannualcapabilityof4.90millionstonsfortypicalproductofQ345-A,2.5mm1400mm.Themaojorfacilitiesinclude:threewalkingbeamfurnaces,onedescalingmachineforroughrolling,one4-rollreversingbloomingmill(5000tons),one6-standand6-rollfinishingmillgroup(3ContinuouslyVariableCrownrollingmillsand3PairCrossrollingmills),threecoilers,andappurtenances.Consideringmarketprospect,theyield,productscheme,andmetalbalanceofeachkindofproductareappropriatelydesignedbasedontheannualplantcapacity.Forthetypicalproduct,theprocessflowdiagram,depressingsysterm,velocitysystem,temperaturesystem,andcrownsysterm,etc.aredetermined.Furthermore,theproductioncapacityoftherollingmillischecked,theeconomicandtechnicalnormsarecauculated,andaplanefigureforthisworkshopisdrafted.Inthechapterofspecialtopic,Thespecies，industrialartsanduseofaluminumanditsalloyarediscussedindetail.Keywords:hotrolledsteelstrip,depressingschedulel,aluminumanditsalloy,speciesanduse目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc356224008"摘要PAGEREF_Toc356224008\hIHYPERLINK\l"_Toc356224009"AbstractPAGEREF_Toc356224009\hII