选矿设计说明书(中南大学)

中南大学学士学位论文（设计）目录1目录摘要..................................................................3Abstract...................................................................4第1章绪论.............................................................51.1建厂地区概况......................................................51.2选厂厂址基本特点..................................................61.2.1厂址选择...................................................61.2.2供电和供水.................................................61.2.3尾矿输送与处理............................................71.2.4原矿和精矿产品运输........................................71.3采矿基本情况......................................................71.4选矿设计指标和产品................................................71.5其它情况..........................................................8第2章设计流程论述.....................................................92.1矿床性质..........................................................92.2原矿基本性质......................................................92.2.1岩矿鉴定....................................................92.2.2原矿化学分析和物相分析....................................102.2.3原矿基本物理性质..........................................112.3流程论述.........................................................112.3.1破碎流程论述..............................................112.3.2磨矿流程论述...............................................132.3.3选别流程论述...............................................142.3.4脱水流程论述...............................................192.3.5设计的工艺流程...........................................19第3章车间工作制度和生产能力............................................213.1车间工作制度....................................................213.2车间生产能力....................................................21第4章工艺流程和工艺设备................................................224.1破碎流程和破碎设备的选择与计算....................................224.1.1破碎流程计算..............................................224.1.2破碎、筛分设备选择和计算.................................244.2磨矿流程的计算...................................................304.3浮选流程的计算...................................................314.4矿浆流程计算.....................................................414.4.1磨矿流程...................................................414.4.2选别流程...................................................42中南大学学士学位论文（设计）目录24.4.3脱水流程矿浆计算...........................................464.5磨机、分级机的选择与计算..........................................484.5.1磨机的选择与计算...........................................484.5.2螺旋分级机的选择与计算......................................504.6浮选机选择与计算.................................................514.6.1浮选机选择与计算...........................................514.6.2搅拌槽的选择与计算..........................................594.7脱水设备的选择与计算.............................................604.7.1浓缩机的选择与计算..........................................604.7.2过滤机的选择与计算..........................................614.8辅助设备的计算...................................................624.8.1矿仓.......................................................624.8.2胶带机的选择与计算..........................................644.8.3其他辅助设备的选择与计算....................................68第5章总体布置与设备配置................................................715.1厂房的总体布置...................................................715.2厂内设备配置.....................................................715.2.1破碎厂房的设备配置..........................................725.2.2磨浮车间设备配置...........................................725.2.3脱水车间设备配置...........................................72结语...................................................................73参考文献..................................................................74附一：选矿厂设备选择计算附表..............................................75附二：英文翻译............................................................78中南大学学士学位论文（设计）摘要3摘要按照毕业设计任务书的要求，进行了黄沙坪铅锌矿优先浮选1750吨/日选矿厂设计，产品为铅精矿和锌精矿。在湖南郴州的黄沙坪铅锌矿进行了为期三周毕业实习，收集相关设计资料的基础上。确定了各车间的工作制度，对设计工艺流程进行了选择和论证，确定了设计的工艺流程，即：破碎采用三段半开路流程，磨矿采用一段闭路流程，浮选采用优先浮工艺，精矿采用先浓缩后过滤的两段脱水。对设计工艺流程进行了工艺指标计算，包括破碎、筛分、磨矿、浮选（包括矿浆流程）和脱水流程。对破碎、筛分、磨矿、分级、浮选及脱水设备进行了选择计算和方案比较，确定了工艺所需的工艺设备。进行了厂房总体布置，并进行了厂房内的设备配置。根据选厂房的地形条件，沿山坡地布置，其中，粗碎、中细碎、筛分厂房分开布置，粗碎、中细碎及筛分车间平行等高线配置。磨矿浮选共厂房配置，其中磨矿采用纵向配置，浮选机采用横向配置。浓缩机配置在露天，过滤机与精矿仓配置在厂房内。完成了粗碎、中细碎、筛分、磨浮、脱水车间平断面图、数质量及矿浆流程图和设备联系图共10张。关键词：选矿厂设计铅锌矿浮选黄砂坪中南大学学士学位论文（设计）Abstract4AbstractAccordingtotherequestoftheintructionofplantdesignforundergraduated,thedesignofHuangshapingPb-ZnMineconcentratorwiththecapacityof1750t/d,andtheproductsareleadandzincconcentrate.OnthebasisofpracticeinHuangshapingPb-ZnMineforthreeweeks,andthecollectionofdata,Theworkinstitutionsofeachworkshopweredetermined,andthetechnologicalprocesswasalsochosedandreasonedTheprocessofcrushingisthreesectionswithhalfopencircuit,thegrindingprocessisonesectionwithclosedcircuit,thefloationprocessisselectiveflotationofleadminerals,andaprocesswithtwosectionsdewateringcirciutwhichincludedconcentrationandfiltionwasadopted.Technologicalparametersofcrushing,screening,grinding,floation(includethecircuitofpulp)anddewateringwerecomputed,respectively.Thenthetechnologicalparametersofequipmentswere