2900m3炼铁高炉送风系统设计

*****本科毕业设计（论文）2900m3炼铁高炉送风系统设计学生姓名：学生学号：院（系）：年级专业：指导教师：二〇**年五月攀枝花学院本科毕业设计（论文）摘要I摘要随着矿产、煤炭资源的开发与利用，矿煤资源变得越来越明显，降低高炉燃料比任务更重。而在实施降低焦炭消耗各项措施中，有效地设计送风系统是十分有效的。本次设计内容为2900m3高炉送风系统设计，通过配料计算和物料平衡计算，算出每吨生铁鼓风量，并确定配矿的合理性。再利用其他条件，算出单位时间所需风量和风压，对比各类鼓风炉性能参数后，选择了全静叶可调轴流式鼓风炉。在设计热风炉主要尺寸时，主要需要确定高炉有效容积、冶炼强度和要求风温。并且根据热风炉的尺寸，材料性能等要求，计算设计出热风炉的外形以及各部位尺寸大小，最后利用CAD制图软件画出了设计出的内燃式热风炉。所有数据校核后，达到理论值要求范围，符合实际情况，所以本次送风系统的设计可行的。关键词：高炉炼铁，送风系统，鼓风炉，热风炉攀枝花学院本科毕业设计（论文）ABSTRACTIIABSTRACTWiththedevelopmentandutilizationofmineralresources,coalresources,coalresourcesbecomemoreandmoreobvious,reducetherateofblastfurnacetask.Intheimplementationofvariousmeasuresofreducingcokeconsumption,effectivelydesignofairsupplysystemisveryeffective.Thisdesigncontentforthedesignofairsupplysystemof2900m3blastfurnace,throughcalculatingandmaterialbalancecalculation,calculatedpertonofpigironblastvolume,andtodeterminethereasonableoreblending.Andwithotherconditions,calculatetheunittimerequiredairvolumeandpressure,performancecomparisonofvariousparametersofthefurnaceblast,thewholestationarybladeadjustableaxialflowtypeblastfurnace.Themaindimensionsofthestovedesign,mainlytodeterminetheeffectivevolume,blastfurnacesmeltingintensityandairtemperature.Andaccordingtothehotblaststovesize,materialperformancerequirements,designandcalculationofhotairfurnaceshapeandsizeofeachpartofsizes,finallyuseCADsoftwaretodrawtheinternalcombustiontypehotairstovedesigns.Allthedatacheck,meetstherequirementofvalueintheory,inlinewiththeactualsituation,sothedesignoftheairsystemisfeasible.Keywords:Blastfurnaceironmaking,airsupplysystem,blastfurnace,blastfurnace攀枝花学院本科毕业设计（论文）目录目录摘要..............................................................................................................................................IABSTRACT.................................................................................................................................II1绪论..........................................................................................................................................11.1研究背景............................................................................................................................11.2本课题内容与开展的意义................................................................................................12工艺计算.................................................................................................................................22.1概述...................................................................................................................................22.2工艺条件...........................................................................................................................22.2.1原料、焦炭、喷煤和生铁成分及元素分配表..........................22.2.2其他条件.......................................................32.3配料计算...........................................................................................................................32.3.1根据铁平衡计算矿石需要量................................................................................32.3.2根据碱度平衡计算石灰用量.................................................................................42.3.3确定矿石配比.........................................................................................................42.3.4终渣成分及数量计算.............................................................................................42.3.5生铁成分校核计算.................................................................................................52.4物料平衡计算...................................................................................................................62.4.1根据碳平衡算入炉风量........................................................................................62.4.2计算风量.................................................................................................................62.4.3计算煤气成分及数量.............................................................................................62.4.4物料平衡表.............................................................................................................82.5结论...................................................................................................................................83鼓风机设计.............................................................................................................................93.1概述...................................................................................................................................93.2高炉鼓风机技术要求.......................................................................................................93.3高炉鼓风机选择...............................................................................................................93.4本章结论.........................................................................................................................134热风炉设计...........................................................................................................................144.1热风炉概述.............................................