安徽工业大学新建年产35万吨高速连续式棒材车间工艺设计

安徽工业大学毕业设计（论文）报告纸┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊1新建年产35万吨高速连续式棒材车间摘要本设计根据任务书的要求，新建年产35万吨高速连续棒材车间。产品规格为φ8～φ22mm圆钢和φ8～φ22mm螺纹钢,原料为无缺陷连铸坯。可生产钢种为普碳钢、优质钢和低合金钢。其中，主要设计产品为φ10mm螺纹钢。设计的主要流程为：车间产品大纲、原料的确定、金属平衡、设计方案的确定、工艺流程的确定、孔型设计与轧制程序表、设备强度与电机能力校核、车间工作制度和年工作小时的确定、轧机组成和型式及其生产能力计算、主要辅助设备及其生产能力计算、车间品面布置及起重运输的确定、主要经济技术指标的确定。设计主要附件内容为：孔型图、轧制力能参数、轧辊强度校核、主电机能力校核等计算程序、工艺平面布置图。关键词:高速棒材车间设计连轧安徽工业大学毕业设计（论文）报告纸┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊2Designahighspeedcontinuouslybarrollingplantwithannualoutputof350,000tAbstractAccordingtotherequirementsoftheproject,thisdesignisbasedonnewannualcapacityof350000tonsofhigh-speedcontinuousbarrollingworkshop.Theproductspecificationisφ8~φ22mmroundsteelandφ8~φ22mmrebar,rawmaterialsforthecontinuouscastingslabwithoutdefect.Itcanproducevariouskindsofcarbon-steel,high-qualitysteelandlowalloysteel.Amongthem,themaindesignproductsisφ10mmrebar.Thedesignofthemainprocessis:workshopproductsoutline,ensuranceofrawmaterials,metalbalance,determinethedeterminationofdesignscheme,technologicalprocess,determinethegroovedesignandrollingtable,equipmentstrengthandmotorabilitycheck,workshopworksystemandensuranceofannualworkinghours,rollingmillcompositionandtypeanditsproductioncapacitycalculation,mainauxiliaryequipmentandproductioncapacitycalculation,workshopproductsurfacearrangementandliftingtransportationdetermination,maintechnicalandeconomicindexesdetermination.Designmainaccessoriescontentis:holedfigure,rollingforcecanparameters,rollstrengthcheck,themainmotorabilitycheckcalculationprogram,processthefloorplan.KeyWords:HighspeedbarWorkshopdesignContinuousrolling安徽工业大学毕业设计（论文）报告纸┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊3目录概述..............................................................81产品方案及金属平衡................................................101.1产品大纲......................................................101.2产品质量标准..................................................111.2.1圆钢质量标准及技术条件..................................111.2.2螺纹钢质量标准及技术条件................................111.2.3定尺长度及公差..........................................111.3原料选择......................................................121.3.1连铸坯特点..............................................121.3.2连铸坯技术要求..........................................121.3.3连铸坯规格..............................................131.4金属平衡......................................................132设计方案..........................................................152.1轧制方案的选择：..............................................152.2轧机机架确定..................................................152.3新工艺新技术采用..............................................162.3.1连铸坯热装热送技术......................................162.3.2穿水冷却................................................172.3.3预留无头轧制............................................172.3.4微张力轧制..............................................182.3.5成品飞剪优化剪切技术....................................182.3.6低温轧制................................................183.生产工艺流程.....................................................193.1生产工艺流程框图..............................................193.2生产工艺流程简述..............................................204车间年工作制度和年工作小时........................................23安徽工业大学毕业设计（论文）报告纸┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊44.1年工作时间表..................................................234.2轧机年工作小时分析............................................234.2.1日历作业率..............................................234.2.2有效作业率..............................................235轧机组成、型式及生产能力计算......................................255.1轧机组成、型式................................................255.2轧辊主要参数..................................................275.2.1轧辊尺寸确定............................................275.2.2其它相关项目确定........................................285.2.2.1轧辊材质选择..........................................285.2.2.2轴承选择..............................................295.3轧机生产能力计算..............................................295.3.1连续式轧机轧制工作图表..................................295.3.2轧机生产能力分析、计算..................................305.3.3轧制程序表..............................................326轧制工艺参数设定..................................................336.1代表产品设计.................................................336.1.1孔型系统的选择..........................................336．1.1.1箱形孔型系统：.......................................336.1.1.2椭圆—圆孔型系统:.....................................34优点：[11]......................................................346.1.2轧制道次n确定..........................................346.1.3孔型系统有关尺寸确定....................................356.1.3.1箱形孔（K19～K20）的设计..............................356.1.3.2椭圆孔—圆孔（K2～K18）的设计.........................356.1.3.3成品前孔（K2）设计....................................376.1.3.4成品孔（K1）设计......................................386.1.4各道次面积和延伸系数....................................39安徽工业大学毕业设计（论文）报告纸┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊56.1.4.1各道次面积............................................396.1.4.2各道次延伸系数........................................396.1.5