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1、1毕业设计(论文)题 目 日处理 3500 吨某铅锌矿选矿厂设计 2日处理3500t 某铅锌矿选矿厂设计摘要：按照毕业设计任务书的要求，进行了某铅锌矿优先浮选3500吨/日选矿厂设计，产品为铅精矿和锌精矿。在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：破碎采用三段一闭路流程，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，确定了工艺所需的工艺设备。进行了厂房总体布
2、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、中细碎厂房分开布置，粗碎、中细碎厂房平行等高线配置。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、磨浮车间平断面图、数质量及矿浆流程图和设备联系图。 关键词：选矿厂设计 铅锌矿 浮选 3A lead-zincuflotation 3500 ton / day concentrator was designed Abstract：In accordance with the requirements of the graduatio
3、n design task book, a lead-zincuflotation 3500 ton / day concentrator was designed, the products are lead concentrate and zinc concentrate. Based on the collection of relevant design information, the work of the workshop system,the selection and verification of the design process, the design process
4、, namely:crushing three-stage closed circuit grinding period of closed circuitflotation using apriority floating craft, concentrate concentrated filter for both dehydration. In calculating the process of the design process, including crushing, screening, grinding, flotation (including pulp processes
5、) and dehydration processes. Crushing, screening, grinding, classification, flotation and dewatering equipment selection, the process equipment required for the process. Plant general layout and configuration of equipment inside the plant. According to the theplant selection terrain conditions, arra
6、nged along the hillside, which coarse crushing,crushing plant arranged separately, crushing, crushing plant parallel to contourconfiguration. Grinding and flotation common plant configuration in which grindinglongitudinal configuration, flotation machine horizontal configuration. The concentrator is
7、configured in the open air, filter and concentrate compartment configuration in the plant.Completed a crushing, crushing, screening, grinding and floating flat cross-sectional view, the number of quality and slurry flow charts and equipment in connection with Figure 8. Keywords: concentrator design,
8、 lead and zinc ores, flotation 45目录引言 .211 绪论 .211.1 建厂地区概况 .211.2 选厂基本特点 .221.2.1 厂址选择 .221.2.2 供电供水 .221.2.3 尾矿输送与处理 .231.2.4 原矿和精矿产品运输 .231.3 矿石性质 .232 选矿厂工作制度 .242.1 选矿厂工作制度 .242.2 处理量的计算 .253.1 破碎流程的选择和计算 .263.1.1 破碎流程的选择 .263.1.2 破碎流程计算 .283.2 磨矿流程的选择和计算 .333.2.1 磨矿流程的选择 .333.2.2 磨矿流程计算 .333.3
9、 选别流程的选择和计算 .353.3.1 选别流程的选择 .353.3.2 选别流程的计算 .373.4 矿浆流程计算 .483.4.1 计算内容 .483.4.2 计算目的及原理 .493.4.3 计算所需原始指标 .493.4.4 计算步骤： .503.4.5 计算 .513.5 脱水流程矿浆计算。 .604 选矿设备的选择和计算 .624.1 破碎设备的选择和计算 .624.1.1 粗碎设备选择和计算 .624.1.2 中碎设备选择和计算 .634.1.3 细碎设备选择和计算 .644.2 筛分设备的选择和计算 .664.2.1 第二段破碎的预先筛分 .664.2.2 第三段破碎的检查筛分 .664.3 磨机、分级机的选择和计算 .684.3.1 磨机的选择与计算 .694.3.2 螺旋分级机的选择与计算 .724.4 浮选机选择与计算 .7464.5 搅拌槽的选择与计算 .874.6 脱水设备的选择与计算 .884.6.1 浓缩机的选择与计算 .
