年产200万吨薄板坯连铸连轧车间设计

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200万吨薄板坯连铸连轧车间设计学生姓名：学号：专业班级：学部：材料化工部指导教师：2012年05月21日摘要I摘要薄板坯连铸连轧与传统生产工艺流程相比，具有可节约投资、提高成材率、降低生产成本、大幅度缩短生产周期等优点。目前市场上对薄带钢如镀锌板的需求很大，而用传统的冷轧花费较高，生产周期长。有些一般用途薄板如果能用热轧直接生产，这将大大降低成本。这也进一步促进了对薄板坯连铸连轧技术作更深层次的研究。基于上述前提，结合目前国内外薄板坯连铸连轧的生产状况，本文设计了年产200万吨薄板坯连铸连轧的生产工艺。在本次设计中，重点是对工艺进行设计，通过增加轧机，缓和以往薄板车间压下过大的，容易跑偏的矛盾；另外合理地选取了结晶器，减少拉漏事故。最后还对本次设计的可行性进行了分析，使得本次的设计能符合实际的要求。设计中涉及的系数部分取的也是现场的经验数值，用到的部分公式也是来自于实际的经验公式，最终完成了本次的设计。关键词薄板坯连铸连轧；工艺设计；轧制新工艺Abstract-II-AbstractComparingwiththetraditionalproductiontechnicalprocess,thinslabcontinouscastinandrollingtechnicalprocesshastheadavantageofsavingtheinvestment,improvingusefuladultrate,reducingtheproductioncost,reducingtheproductioncycleandsoon.Atpresentinmarketthedemandofthinslablikegalvanizedsheetisverybig,butwithtraditionalcoldrollingexpendituretoohigh,productioncyclelong,alsoisnoteasytocontroltheproduction,ifhotrollingcanusetoproducethiskindofthinbelteventheultrathinbeltproduct,itwillhavethesignificantsignificance.Italsofurtherpromotestorolloverthetechnologytothinslabcontinouscastingandrollingtomakeadeeperleveltheresearch.Basingontheabovepremise,combiningtheproductionconditionwhichtheunionatpresentdomesticandforeignthinslabcontinouscastingandrolling,Ihavedesignedtheproductionrollingoverwhichcanproduces2.5milliontonperyear.Inthisdesign,thekeypointisonthedesigntothecraft,.Totheequipmentlikecrystallizer,therollingmill,thealligatorshears,thecoilerandsoonallareintheselection.Inthisdesignending,Ialsocarriesontheanalysistothisdesignfeasibility,ensuringthisdesignalthoughbasedonthetheory,butalsodrawsclosetoactual,andfinallycompletethisdesign.Keywordsthinslabcontinouscastingandrolling;technologicaldesign;newrollingtechnology目录III目录摘要.............................................................................................................................IABSTRACT..................................................................................................................II目录....................................................................................................................III引言..............................................................................................................................1第1章文献综述..........................................................................................................21.1国内外发展现状.....................................................................................................21.2国内新产品的开发.................................................................................................31.3薄板坯连铸连轧的研究意义.................................................................................3第2章建厂的依据及车间的概述..............................................................................52.1建厂的依据.............................................................................................................52.1.1地理优势..............................................................................................................5第3章车间的概述......................................................................................................63.1产品大纲.................................................................................................................63.1.1产品大纲的拟定原则..........................................................................................63.2工艺流程.................................................................................................................7第4章车间的布置及所用设备的选择......................................................................84.1车间布置及设备选用的原则.................................................................................84.2车间布置及轧机型式及数目等参数的确定.........................................................84.2.1立辊轧机的选用..................................................................................................84.2.2轧制总道次确定..................................................................................................94.2.3粗轧机的确定......................................................................................................94.2.4中间辊道布置的确定........................................................................................124.2.5精轧机的确定..................................................................................................144.2.6精轧机与层流冷却设备之间辊道的布置........................................................164.2.7冷却系统的确定................................................................................................174.2.8卷取设备的选择................................................................................................17第5章压下规程设计................................................................................................195.1压下规程设计的基本原则...................................................................................195.2轧制工艺中各参数的确定...................................................................................195.2.1各道次出口厚度及压下量的确定....................................................................195.2.2各道次带钢出口速度的确定............