铁水装入量150吨的提钒转炉车间工艺设计

攀枝花学院本科毕业设计（论文）铁水装入量150吨的提钒转炉车间工艺设计学生姓名：钟志乾学生学号：201211303123院（系）：资源与环境工程学院年级专业：2012级冶金工程指导教师：丁满堂副教授助理指导教师：二〇一六年五月攀枝花学院本科毕业设计(论文)摘要I摘要本设计的主要任务是设计一个铁水装入量150吨的转炉提钒车间工艺设计，重点介绍了顶底复吹工艺部分。该设计介绍了一系列的提钒工艺。从物料平衡与热平衡计算开始进行初期参数的确定，设计内容主要包括：转炉炉型选择、供氧压力、供氧时间、底气选择、转炉底吹元件选择与布置、复吹工艺设计，其中复吹工艺设计是本设计的核心。该设计由一座顶底复吹转炉采用“一吹一”模式提钒，转炉公称容量均为150t，底吹元件采用细钢管多孔型供气元件，选取6支0.61D的供气元件，底枪布置采用沿耳轴连接线30°，90°150°，210°270°，330°分布。复吹模式采用顶吹氧气底吹氮气，顶吹氧气强度为3.11m3/t·min,吹氧时间7min，每炉含钒水供氧量为540.553m3/min。底吹供气强度为0.03·0.08Nm3/t•min。平均吹炼时间为25min，转炉提钒冶炼一炉钒渣主要原料用量:含钒铁水装入量135t、含钒生铁块15t、石英砂1.8t、半钢温度为1390℃。`关键词：顶底复吹转炉，提钒方法，含钒铁水，转炉提钒攀枝花学院本科毕业设计(论文)ABSTRACTIIABSTRACTThemaintaskofthisdesignistodesignafurnacewith150tonsofmolteniron.Thisdesignintroducesaseriesofvanadiumextractionprocess.Frommaterialbalanceandheatbalancecalculationtodeterminetheearlyparameters,designcontentmainlyinclude:selectionofconverterfurnacetypechoosing,oxygenpressure,oxygensupplytime,emboldened,converterbottomblowingcomponentselectionandlayout,combinedblowingprocessdesign,whichcombinedblownprocessdesignisthecoreofthisdesign.Thedesignbyatopbottomcombinedblownconvertervanadiumusingblowsmode,theconverternominalcapacitywere150t,bottomblowingelementsbythinsteeltubetypeporousgascomponents,select60.61Dgascomponents,bottomlancearrangementbyalongtheearaxisconnectinglineto30°,90°and150°,210°and270°,330°distribution.Combinedblowingpatternthetopblownoxygenbottomblowingnitrogen,strengthoftopblownoxygen3.11m3/t-min,oxygenblowingtimeof7min,eachfurnacecontainingvanadiumoxygensupplywaterquantityfor540.553m3/min.Thebottomblowinggassupplyintensityis0.03~0.08Nm3/t/min.Averageblowingtimeis28min,converterprovidedtheamountofvanadiumsmeltingfurnacevanadiumslagasthemainrawmaterial:hotmetalchargingamount135t,containingvanadiumiron15t,quartzsand1.8T,semisteeltemperature1390℃.Keywords:topbottomcombinedblowingconverter,vanadiumextractionmethod,vanadiumcontainingmolteniron,convertervanadiumextraction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钒资源概况.....................................................................................................11.2钒的性质.........................................................................................................11.3钒的应用.........................................................................................................21.4钒工业的进展.................................................................................................21.5钒的生产方法.................................................................................................31.5.1含钒磁铁矿直接提钒...........................................................................31.5.2钒渣提钒...............................................................................................31.5.3石煤提钒...............................................................................................41.5.4其他提钒...............................................................................................42含钒铁水转炉吹炼提钒工艺....................................................................................52.1转炉提钒过程.................................................................................................52.2转炉提钒的原理.............................................................................................52.3氧气顶吹转炉提钒.........................................................................................62.4空气底吹转炉提钒.........................................................................................73含钒铁水非转炉提钒工艺........................................................................................93.1雾化提钒.........................................................................................................93.2铁水包吹氧提钒..........................................................................................103.3摇包提钒......................................................................................................104物料平衡和热平衡计算..........................................................................................114.1原始数据.......................................................................................................114.2物料平衡计算...............................................................................................124.2.1烟尘中铁及氧耗量............................................................................154.2.2炉气成分和数量................................................................................154.2.3实际氧气消耗量的计算....................................................................164.2.4炉渣带金属铁珠量的计算................................................................164.2.5半钢量计算........................................................................................16攀枝花学院本科毕业设计(论文)目录4.3热平衡计算..