设计年产550万吨转炉炼钢车间-产品板材

********学院************UNIVERSITY毕业设计说明书设计（论文）题目：设计一座年产550万吨良坯的转炉车间，产品以板坯为主学生姓名：**学号：2009********专业班级：09冶金*班学部：材料化工部指导教师：赵**2012年05月31日摘要-I-摘要现代转炉炼钢要求采用大型、连续、高效设备先进生产工艺，布局合理、管理先进、节约能耗、减少污染、降低投资成本。本设计主要任务是设计一座年产550万吨良坯的转炉炼钢车间，设计从物料平衡和热平衡计算开始，主要包括以下几部分：物料平衡和热平衡计算、转炉炼钢车间设计、连铸设备的选型及计算、炉外精炼设备的选型与工艺布置以及炼钢车间烟气净化系统等。其中的重点和核心是转炉炼钢车间设计。本车间的炉外精炼采用了LF精炼方式。本车间的浇注方式为全连铸，最终产品为板坯。转炉的原料供应主要有铁水、废钢以及其它一些辅助材料。关键词顶底复吹转炉；氧枪；车间设计；连铸Abstract-II-AbstractWiththerapiddevelopmentofiron-steelindustrynowdays,modernsteelplantsrequireadoptinglong-scale,continuousandhighefficientequipment,advancedmanagement.Itshouldsaveenergy,andmakelesspollutionandreducetheinvestmentcost.Thisworkshopisdesignedtoproduce5500thousandtonsqualitiesingots.thedesignstartingfromthematerialbalancecalculations,includingthefollowingcomponents:basicmaterialbalanceandheatbalancecalculation,convertersteelmakingplantdesign,selectionandcalculationofcontinuouscastingequipment,Refiningoutsidethefurnaceequipmentselectionandprocesarrangementandsteelworkshopfluegaspurificationsystem,etc.Oneofthefocusandcoreissteelmakingplantdesign.TheworkshopadoptedtheLFrefiningrefiningmeans.Thisworkshoppouringwayisfullcontinuouscasting,thefinalproductistheslab.ThemainmaterialssupplyofConverterarethemolteniron,scrapsteelandotherauxiliarymaterials.Keywordsexaminationsystem;automatictestpaper;database;geneticalgorithm目录-III-目录摘要.............................................................................................................................IABSTRACT.......................................................................................................................II第一章物料平衡计算..................................................................................................11.1计算原始数据.....................................................................................................11.2物料平衡基本项目.............................................................................................21.3计算步骤.............................................................................................................2第二章热平衡计算....................................................................................................132.1计算所需原始数据...........................................................................................132.2计算步骤...........................................................................................................14第三章转炉炉型设计及计算....................................................................................183.1转炉炉型及其选择...........................................................................................183.2转炉熔池尺寸的确定.......................................................................................193.3炉帽尺寸的确定...............................................................................................213.4炉容比及炉身尺寸的确定...............................................................................223.5出钢口尺寸的确定...........................................................................................223.6炉衬厚度的确定...............................................................................................233.7炉壳钢板材质与厚度的确定...........................................................................243.8高径比的验算...................................................................................................25第四章转炉氧枪设计及相关参数计算....................................................................264.1喷头主要参数计算公式..................................................................................264.2250T转炉氧枪喷头尺寸计算.........................................................................274.3250T转炉氧枪枪身尺寸计算.........................................................................294.4中心氧管管径..................................................................................................30第五章连铸设备的选型及计算................................................................................325.1连铸机的选型...................................................................................................325.2连铸机的主要工艺参数...................................................................................325.2.1钢包允许的最大浇注时间.........................................................................325.2.2铸坯断面.....................................................................................................325.2.3拉坯速度.....................................................................................................335.2.4连铸机的流数.............................................................................................345.2.5铸坯的液相深度和冶金长度.....................................................................355.2.6弧形半径（按经验公式确定）.................................................................365.3连铸机生产能力的确定...................................................................................365.3.1连铸机与炼钢炉的合理匹配和台数的确定.............................................365.3.2连铸浇注周期计算.....................................................................................375.3.3连铸机的作业率.........................................