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辽宁科技学院(2013届)本科毕业设计题目:255KA预焙阳极铝电解槽设计专题:铝电解全氟化碳减排途径研究专业:冶金工程班级:冶金BG092姓名:学号:0711109202指导教师:说明书58页,图纸2张,专题7页,译文12页辽宁科技学院本科生毕业设计(论文)第I页255KA预焙阳极铝电解槽设计摘要容量为255KA的铝电解槽设计的主要内容是铝电解槽电压的平衡计算,能量和物料平衡概算,电解槽选型、台数的计算以及产量的衡算,辅助设备选择及计算,电力制度设计及电解槽配置选择计算等工作,并且进行专题研究和外文资料的翻译工作。现代铝电解追求高效、低污染、低能耗的工艺,其发展方向是大容量、大型化、自动化程度高的预焙阳极电解槽。本设计槽体为侧部散热、底部保温型,采用通长半石墨质阴极炭块,阳极投影与阴极正对,化学防渗技术与焦粒焙烧技术,以达到延长槽寿命的目的;进电方式采用大面四点进电,以有效减少磁场干扰,保证电解槽生产平稳进行。关键词:铝电解,铝电解槽,电流效率,阳极炭块,阴极炭块辽宁科技学院本科生毕业设计(论文)第II页Designacapacityof255KAoftheprebakedanodealuminumreductioncellAbstractDesignacapacityof255KAofthealuminumreductioncell.Designarethemaincontentsofaluminumcellvoltagebalancecalculation,materialandenergybalanceestimates,cellselection,numbercomputationandoutputbalance,auxiliaryequipmentselectionandcalculation,powersystemdesign,electrolytictankconfigurationchoiceofcalculationwork.Andtoundertakespecialsubjectstudiesandforeign-languagetranslationofinformation.Inmodernaluminumelectro1ysispeoplepursuehighlyefficiency,lowpo1lutionandimbecilityenergyconsumption.Itsdevelopmentdirectionisprebakedanodecellwhichhasbigcapacity,large-sizecellstructureandhighlyautomationcontrolsystem.Thedesignedcellisside-hot-spreadingandbottom-hot-keeping,adaptinghalf-graphitecokecathode.Whosewitchiscoincidewiththeprojectionoftheanodeandchemicallyforestallingseepagetechniqueandcokepreheattechniqueprolongcell’slife.Themodeofcurrentinputisfourpointsinthebigsurfacesoastoefficientlydecreasethemagneticfielddisturbanceandaccordinglytomakethecellrunmorestably.Keywords:aluminiumelectrolysis,aluminiumelectrolysiscells,currentefficiency,Anodecarbonblock,cathodecarbonblock辽宁科技学院本科生毕业设计(论文)第III页目录绪论............................................................................................................................11铝电解生产概况........................................................................................................41.1铝电解生产概况...............................................................................................41.2电解所用原材料...............................................................................................51.2.1主原料.....................................................................................................51.2.2副原料.....................................................................................................61.2.3阳极材料.................................................................................................72铝电解槽的构造........................................................................................................82.1铝电解槽的发展...............................................................................................82.1.1铝电解槽的分类.....................................................................................92.1.2中间点式下料预焙阳极电解槽简介.....................................................92.2铝电解槽的结构.............................................................................................112.2.1阴极结构...............................................................................................112.2.2上部结构...............................................................................................122.2.3母线结构和配置...................................................................................133电解铝厂的主要技术指..........................................................................................153.1基础数据.........................................................................................................153.2单槽原铝产量.................................................................................................153.3阳极尺寸选择.................................................................................................153.4计算阳极炭块数.............................................................................................153.5计算槽膛尺寸.................................................................................................153.6计算侧壁.........................................................................................................163.7槽壳底层........................................................................................................164铝电解槽电压的平衡计算......................................................................................174.1电极压降.........................................................................................................174.2电解质压降.....................................................................................................184.3阳极效应分担压降.........................................................................................184.4阳极压降.........................................................................................................19辽宁科技学院本科生毕业设计(论文)第IV页4.5阴极压降.........................................................................................................194.6母线压降.........................................................................................................195能量和物料平衡概算..............................................................................................215.1物料平衡计算.........
本文标题:255KA预焙阳极铝电解槽设计
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