热能毕业设计论文

120t/h推钢式连续加热炉设计说明书共页第1页┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊毕业设计(论文)任务书课题名称产量120t/h（混合煤气）推钢式连续加热炉设计学院专业班级热能与动力工程042班姓名学号049014196毕业设计（论文）的工作内容:（1）文献调研（2）炉子热工计算，用计算机进行（3）绘图：用autocad绘出加热炉的三视图（4）设计说明书（5）翻译与课题有关的外文文献一篇起止时间：2008年3月20日至2008年6月20日共周指导教师签字系主任签字院长签字加热能力为120吨/小时加热炉设书摘要论文开始就工业炉的历史，现在的状况和其发展方向做了陈述，着重对工业炉的结构以及工业炉的操作制度，节能技术改进和“三高一低”理论的介绍，接着对120t/h推钢式连续加热炉设计说明书共页第2页┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊工业炉的配套设备及烧嘴，换热器，烟囱等的相关结构和选用进行分析陈述。然后对120吨/小时的推钢式加热炉的设计计算。本文设计的加热炉是三段式推钢加热炉，在设计的参数选择上体现了“三高一低”的理论，并对该加热炉一些技术和经济指标进行评述。关键字：工业炉节能“三高一低”AbstractThepaperstartedontheindustrystove'shistory,present'sconditionanditsdevelopmentdirectionhasmadethestatement,emphaticallytoindustrystove'sstructureaswellasindustrystove'soperatingduty,energyconservationtechnicalchangeand“threehighonelow”theoryintroduction,thentotheindustrystove's120t/h推钢式连续加热炉设计说明书共页第3页┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊supplementaryequipmentandtheburnernozzle,theheatinterchanger,thechimneyandsoonrelatedstructureandselectedcarriesontheanalysisstatement.Thenpushesthesteeltypeheatingfurnace'sdesigncalculationto120tons/hour.thisarticledesignstheheatingfurnaceisthetriadpushesthesteelheatingfurnace,hasmanifested“threehighonelow”thetheoryinthedesignparameterchoice,andcarriesonthenarrationtothisheatingfurnacesometechnologiesandtheeconomicindicator.Keywords:IndustrystoveEnergyconservation“threehighonelow”目录文献综述...............................................51.1.工业炉的发展史.....................................51.2.工业炉的基本类型...................................61.2.1火焰炉结构.........................................................61.2.1.1火焰炉的组成.........................................................................................................71.2.1.2现代推钢式连续加热炉..........................................................................................111.3.燃烧系统及其控制..................................131.3.1烧嘴及其分布......................................................13120t/h推钢式连续加热炉设计说明书共页第4页┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊1.3.2燃烧控制技术......................................................131.4.排烟系统..........................................141.4.1烟道...............................................................141.4.2烟囱..............................................................151.4.2.1排烟方式.................................................................................................................151.4.3换热器及其保护.........................................................................................................151.4.4炉膛压力控制.............................................................................................................161.5.工业炉的节能......................................161.5.1工业炉节能的几个措施..............................................161.5.2燃料炉的节能......................................................171.5.3加热工艺设计节能..................................................181.5.3.1常规加热工艺规程节能.........................................................................................181.5.4结论...............................................................191.6推钢机的结构特点及应用............................191.6.1推钢机种类........................................................191.6.2双机架齿轮齿条式推钢机结构及特点..................................201.7加热炉耐火材料的选用..............................201.7.1使用性能..........................................................201.7.1.1热性能.....................................................................................................................201.7.1.2其它特殊性能要求.................................................................................................221.7.2工艺性能..........................................................221.7.3加热炉内衬选材方案的评价..........................................231.7.4结论..............................................................231.8工业炉的发展方向..................................241.8.1“三高一低”理论...................................................251.8.2“三高一低”理论的技术基础........................................252.1设计任务：........................................262.2热工计算..........................................272.2.1燃料燃烧计算.......................................................272.2.2炉膛热交换计算.....................................................292.2.3金属加热计算.....................................................312.2.3.1钢坯的均热时间及温度参数...............................................................................312.2.3.2加热段炉气温度...................................................................................................322.2.3.3燃料利用系数及预热段加热时间.......................................................................332.2.3.4各段金属加热时间...............................................................................................362.2.4炉子主要尺寸计算..................................................372.2.4.1炉子长度计算.......................................................................................................372.2.4.2炉门数量和尺寸的确定.........................................................................................372.2.5炉膛热平衡与燃料消耗量计算..........