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毕业设计(论文)-年产415万吨生铁高炉车间工艺设计.doc毕业设计(论文)-年产415万吨生铁高炉车间工艺设计.doc -- 8 元

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1年产415万吨生铁的高炉车间生产工艺设计中文摘要高炉炼铁是获得生铁的主要手段,也是钢铁冶金过程中最重要的环节之一,在国民经济建设中起着举足轻重的作用。本着优质、高产、低耗和对环境污染小的方针,设计建造年产量为415万吨的炼铁车间。车间共有2373m³高炉一座,高炉采用了全冷却壁、砖壁合一薄壁炉衬、铜冷却壁、炭砖陶瓷杯复合炉底、全软水密闭循环冷却系统、PW串罐无料钟炉顶、内燃式热风炉、全干式布袋除尘等一系列先进实用技术。同时,本设计还结合了国内外相似高炉的一些先进的生产经验和相关数据,力争使该设计的高炉做到合理、长寿、实用,以期达到最佳的生产效益。设计的主要内容包括炼铁工艺计算(包括配料计算、物料平衡和热平衡)、高炉炉型设计、高炉各部位炉衬的选择、炉体冷却设备的选择、风口及出铁场的设计、原料系统、送风系统、炉顶设备、煤气处理系统、渣铁处理系统、高炉喷吹系统和炼铁车间的布置等。关键词高炉,热风炉,工艺设计,设备2ABSTRACTPigironismainfromblastfurnace,furnaceironmakingisalsoaimportantprocessinironandsteelmaking,anditsplayanimportantroleintheconstructionofnationaleconomy.basedonthetargetofhighproductivity,highquality,lowconsumption,longcampaignandenvironmentprotection.thedesignisaimatdesignafurnacewhichproduce4150thousandspigironperyear,theplanthasa2373m³furnacewhichseriesofadvancedandapplicabletechnologieswereadopted,suchasfullcoolingstave,thininnerliningofintegratedbrickingandstaves,carbonbrickscombinedfurnacebottomwithceramiccup,closedloopsoftwatercirculationandcoolingsystem,belllesstopwithcentralcharginghopper,innercombustionburnertypehotairstove,drybaggasdedustingetc.Thedesignprogramconsistofabstract、foreword、technologicalcalculate(containblastfurnaceburden、materialbalancecalculateandthermalequilibriumcalculate),thechooseoffurnaceliningandcoolingplant,thedesignoffurnacelines,tuyereandcastinghouse,materialsystem,blastsystemfurnaceroofsystem,gasdisposesystem,ironandslagdisposesystem,fuelinjectionsystemandthedispositionofplant.Besides,thedesignalsoconsultsomeadvancedproduceexperienceanddatafromhomeandabroadsimilarfurnacetomakethedesignachievebest.Keywordsblastfurnace,calorifier,technologicaldesign,equipment.3目录中文摘要...............................错误未定义书签。ABSTRACT...............................................21前言.................................................12高炉配料计算.........................................32.1配料计算的目的...................................32.2配料计算时需要确定的已知条件.....................32.2.1原始资料的收集整理............................342.2.2选配矿石...............................................................................42.2.3确定需要的冶炼条件...........................................................52.2.4配料计算的内容..................................................................82.3计法与算方过程.........................................................................82.3.1计算方法...............................................................................82.3.2确定生铁成分.......................................................................82.3.3计算所配矿石比例...............................................................92.3.4计算冶炼每吨生铁炉料的实际用量.................................102.3.5终渣成分及渣量计算.........................................................102.3.6生铁成分校核.....................................................................123高炉物料平衡计算.........................................................................133.1高炉物料平衡计算的意义.......................................................133.2高炉物料平衡计算的内容......................................................133.2.1根据碳平衡计算风量........................................................143.2.2煤气成分及数量计算........................................................163.2.3编制物料平衡表................................................................184高炉热平衡计算.............................................................................194.1热平衡计算的目的...................................................................194.2热平衡计算方法.......................................................................194.3热平衡计算过程.......................................................................214.3.1热量收入............................................................................214.3.2热量支出............................................................................224.3.3热平衡指标计算................................................................275高炉本体设计..................................................................................285.1.1高炉总年产量的计算.........................错误未定义书签。5.1.2高炉有效容积的确定........................................................285.1.3高炉内型尺寸确定............................................................295.2高炉内衬设计..........................................................................335.2.1炉底...................................................................................335.2.2炉缸.....................................................................................335.2.3炉腹.....................................................................................345.2.4炉腰.....................................................................................345.2.5炉身.....................................................................................355.3高炉炉壳和高炉基础.............................................................395.3.1高炉炉壳.............................................................................3955.4炉体设备...................................................................................425.4.1炉体冷却设备..................................................................425.4.2风口水套............................................................................435.4.3铁口套................................................................................445.4.4炉喉钢砖.............................................................................446料运系统计算及装料布料设备.....................................................456.1贮矿槽.......................................................................................456.1.1平面布置............................................................................456.1.2槽上运输方式....................................................................456.1.3储矿槽工艺参数................................................................466.1.4槽下供料............................................................................466.2料坑设备..................................................................................466.3碎焦运送设施..........................................................................476.4上料设备..................................................................................477高炉鼓风机的选择.........................................................................487.1高炉鼓风量及鼓风压力的确定..............................................487.1.1高炉入炉风量....................................................................484.1.2鼓风机出口风量..............................................................487.1.3高炉鼓风压力....................................................................497.2高炉鼓风机能力的确定..........................................................497.2.1大气状况对高炉鼓风的影响............................................497.2.2鼓风机工况的计算............................................................507.3高炉鼓风机的工艺过程.........................................................528热风炉工艺计算.............................................................................538.1计算的原始数据......................................................................538.2燃烧计算..................................................................................548.2.1煤气成分换算....................................................................548.2.2煤气发热值计算................................................................558.2.3燃烧1标米3煤气的空气需要量.....................................558.2.4燃烧1标米3煤气生成的烟气量白分组成......................558.2.5理论燃烧温度和实际燃烧温度计算.................................568.3热平衡计算..............................................................................588.3.1计算鼓风从80℃提高到1200℃所增加的热含量..........588.3.2加热1标米3鼓风需要的煤气量.....................................598.3.3煤气消耗量及烟气量........................................................5968.4蓄热室热工计算......................................................................608.4.1热工计算的原始条件........................................................628.4.2蓄热室各部位的烟气及鼓风温度....................................638.4.3蓄热室面积及各段砖格子高度的计算............................648.4.4蓄热室面积及蓄热室各段高度的调整............................668.5热风炉的蓄热面积指标..........................................................669风口平台及渣铁处理系统.............................................................689.1风口平台和出铁场布置..........................................................689.1.1铁口及出铁场数目的确定................................................689.1.2渣、铁沟及其流嘴布置....................................................699.2风口平台和出铁场设备..........................................................709.2.1泥炮....................................................................................709.2.2开铁口机............................................................................719.2.3堵渣口机.............................................................................719.2.4炉前吊车.............................................................................729.2.5铁水罐车.............................................................................729.2.6渣罐车.................................................................................739.3风口平台和出铁场结构..........................................................739.3.1风口平台.............................................................................739.3.2出铁场................................................................................749.4铁水处理...................................................................................749.5渣的处理..................................................................................7410高炉煤气处理系统........................................................................7610.1工艺流程................................................................................7710.2煤气除尘设备........................................................................7710.2.1粗除尘设备重力除尘器..........................................7710.2.2精细除尘设备布袋除尘器......................................787.2.3脱水器..............................................................................7910.3煤气除尘系统附属设备........................................................7910.3.1粗煤气管道......................................................................7910.3.2调节阀组..........................................................................7910.3.3煤气遮断阀......................................................................8010.3.4煤气放散阀......................................................................8011高炉喷吹煤粉系统.......................................................................8111.1喷煤系统.................................................................................82711.2喷吹工艺.................................................................................8211.3主要设备.................................................................................8311.3.1混合器..............................................................................8311.3.2分配器..............................................................................8311.3.3喷煤枪..............................................................................8311.3.4喷氧枪..............................................................................8312部分车间布置与总图运输............................................................8412.1车间平面布置........................................................................8412.2厂区的选择.............................................................................8412.3总图运输................................................................................8513参考文献........................................................................................85
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