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中南大学题目年产8000吨仲钨酸铵的生产车间设计学生姓名陈燕指导老师霍广生学院冶金科学与工程学院专业班级冶金0902年产8000吨仲钨酸铵的生产车间设计-2-年产8000吨仲钨酸铵的生产车间设计-3-摘要本文是以黑白钨混合矿为原料年产8000吨APT(仲钨酸铵)生产车间的设计说明书。按照一般有色冶金生产车间设计的步骤，文章首先介绍了钨行业的概况、政策及面临的问题；结合原料特征，通过对APT整个工艺过程生产方法的比较，选择了苏打高压浸出分解黑白钨混合矿—离子交换法除杂和转型—选择沉淀法分离钨钼—蒸发结晶生产APT；通过对各生产工序金属平衡、物料平衡计算和设备选型，确定了各工序所需原料的量和设备的型号、规格和数目；并进行了合理的车间配置；通过分析生产过程中工业三废的产生和危害，提出了三废处理的方案；根据生产过程需要，对车间进行了劳动定员；进而对整个工艺过程进行了技术经济分析，计算结果表明本设计所采用工艺流程技术上可行，经济上合理。「关键词」黑白钨混合矿苏打高压浸出离子交换APTAbstractThespecificationisaworkshopof8000t/yAmmoniumparatungstate(APT)producedwithscheelite-wolframitemixedconcentrate.Followingthegeneraldesignstepsofnonferrousmetallurgyworkshop,thepresentsituationoftheAPTproductionwasfirstpresented.Accordingtothecharacteristicsoftherawmaterial,technologicalprocessofsoda(NaCO3)leachingathighpressure—ionexchange—selectively年产8000吨仲钨酸铵的生产车间设计-4-precipitationtoseparateMo—evaporationandcrystallizationprocesswasselectedastheprocessofAPTproduction.Thequantityofvariousmaterialsineveryprocesswerefixedupandthecorrespondingequipmentsweredesignedorselected(includethetype,sizeandnumber)originatedfromtheresultofcalculatingofthebalanceofmetalandmatter.Theworkshopisreasonablydesigned.Thestrategyofdealingwiththeindustrialwastewasproposedfollowingtheanalysisofthesourceandtheharmofthewaste.Theworkforcewasarrangedaccordingtotherequirementofproducingprocess.Atlast,theeconomictargetwasanalyzed.Alltheseresultsshowsthattheprocessofthisdesignisreasonableandeconomical.Keywords:scheelite-wolframitemixedconcentrates;sodaleachingathighpressure;ionexchange;ammoniumparatungstate.目录摘要...............................................................................................................................3第一章文献综述.........................................................................................................9年产8000吨仲钨酸铵的生产车间设计-5-1.1钨冶金的原料...................................................................................................................................91.2钨行业概况.......................................................................................................................................91.3钨行业政策.......................................................................................................................................91.4我国钨矿资源节约与综合利用现状及规划建设目标.................................................................111.5我国钨业存在的一些问题和相关建议..........................................................................................131.6设计内容.........................................................................................................................................151.7厂址选择.........................................................................................................................................15第二章工艺流程的选择与论证...............................................................................172.1概论.................................................................................................................................................172.2钨矿分解工艺流程的选择与论证.................................................................................................172.2.1工艺流程选择的基本原则.......................................................................................................182.2.2钨矿的分解工艺流程选择......................................................................................................182.2.3工艺流程的确定......................................................................................................................242.3其他工序工艺流程的确定.............................................................................................................262.3.1纯化合物的制取......................................................................................................................262.3.2除钼工艺的确定......................................................................................................................292.3.3除钼工艺的选择与论证..........................................................................................................322.3.4结晶工艺的确定......................................................................................................................332.3.5母液回收..................................................................................................................................342.3.6钨冶炼碱压煮工艺的选择与论证..........................................................................................352.4工艺总流程.....................................................................................................................................372.5工艺技术参数.................................................................................................................................392.5.1磨矿工序..................................................................................................................................392.5.2浸出、过滤工序......................................................................................................................392.5.3稀释、交前液配制.................................................................