年产五万吨活性白土工艺流程设计

广西大学2010届本科毕业设计论文年产5万吨活性白土工艺流程设计I广西大学毕业设计（论文）题目年产五万吨活性白土工艺流程设计学院化学化工学院专业化学工程与工艺班级2006级1班学号0604100309姓名梁顺香指导教师潘远凤广西大学2010届本科毕业设计论文年产5万吨活性白土工艺流程设计II摘要活性白土是一种具有很强吸附能力的高效活性白土，它主要是以膨润土矿为原料，经过精选、研磨、活化、挤压、洗涤、烘干等一系列工序生产而成，被广泛应用于化工行业、食品行业、石油行业以及污水处理等行业当中。本文主要的任务是对一家工厂原有的活性白土生产流程进行改进，对原来的一些不合理流程进一步修改，反应采用多级活化，使得操作更加方便，能稳定的、连续的生产优质高效活性白土。对生产进程中产生的废酸进行循环使用，降低了酸的消耗量的同时也减轻了对环境的污染。并通过aspen进行模拟优化，对热量和物料进行计算。本流程主要分为五个工段，第一工段为原料工段，主要是对膨润土矿进行破碎和研磨。第二工段为反应工段，通过五级串联的反应釜对膨润土进行活化。第三工段为洗涤工段，对活化后的白土进行压滤和洗涤以除去吸附的酸。第四工段为干燥包装工段，由于压滤后的白土中含有大量的水必须除去，热空气通过转圆筒干燥器与白土对流而带走水分，干燥后的白土进入包装车间进行包装。第五工段是废水处理工段，对洗涤出来的废水进行净化并回收重复利用。关键词：活性白土生产流程活化吸附改进循环广西大学2010届本科毕业设计论文年产5万吨活性白土工艺流程设计IIIAbstractActivatedClayisamaterialwithverystrongadsorptioncapacity,itismainlybasedonbentoniteoreasrawmaterial,aftercarefullyselected,grinding,activation,extrusion,washing,dryingandaseriesofprocessesofproduction.Itbeingwidelyusedinchemicalindustry,foodindustry,petroleumindustry,sewagetreatmentandotheroccupations.Thispaper'staskistoimprovetheproductionprocessafactoryoriginalactivatedclay,furthermodifysomeoftheunreasonableoforiginalprocess.multi-levelresponseactivation,enablestheoperatetomoreeasilyandsteady,continuousproductionofhigh-qualityactivatedclay.Productionprocessforrecyclingwasteacidtoreducetheacidconsumptionalsoreducesenvironmentalpollution.Andthroughaspensimulationoptimization,calculatedontheheatandmaterials.Theprocessisdividedintofivesections,Thefirstsectionisthemanufactureofrawmaterials,mainlycarriedoutonbentoniteorecrushingandgrinding.Thesecondsectionisthereactionsteps,throughthefivereactorsinseriesontheactivationofbentonite.Thethirdsectionisthewashingsteps,ontheactivatedclayforadsorptionpressurefiltrationandwashingtoremovetheacid.FourthSectionofthedryandpackagingsteps,aftertheclayasfilterpresscontainslargeamountsofwatertoberemoved,thehotairthroughthetransfercylinderdryerandconvectionoftheremovalofclaywater,driedclaywerepackedintothepackingplant.FifthSectionofawastewatertreatmentsteps,tothewashingoutofwastewaterpurificationandrecyclingreuse.Keywords:ActivatedClayproductionprocessActivatedadsorptionimproverecycle广西大学2010届本科毕业设计论文年产5万吨活性白土工艺流程设计IV目录第一章前言..........................................................................................................11.1设计的课题来源.........................................................................................................11.2课题的目的和意义.....................................................................................................21.3应解决的主要问题及应达到的技术要求.................................................................21.3.1应解决的主要问题..........................................................................................21.3.2应达到的技术要求.........................................................................................31.4国内外现状.................................................................................................................51.4.1国外现状..........................................................................................................51.4.2国内现状..........................................................................................................61.5设计的指导思想.........................................................................................................7第二章工艺说明..................................................................................................82.1原料工段的说明.........................................................................................................82.1.1原料工段工艺比较..........................................................................................82.1.2原料工段特色................................................................................................102.1.3主要设备........................................................................................................102.2反应工段的说明.......................................................................................................102.2.1工艺方案设计................................................................................................102.2.2工艺流程........................................................................................................122.2.3工艺特色........................................................................................................132.2.4主要设备........................................................................................................142.3洗涤工段的说明.......................................................................................................142.3.1工艺方案设计................................................................................................142.3.2工艺流程........................................................................................................152.3.3工艺特色........................................................................................................162.3.4主要设备及构筑物........................................................................................162.4干燥包装工段的说明............................................................................