年产30万吨乙二醇项目工艺设计 提交版

密级公开学号120094毕业设计（论文）年产30万吨乙二醇项目工艺设计院（系、部）：化学工程学院姓名：陈帅年级：2012级专业：化学工程与工艺指导教师：熊杰明教师职称：副教授2016年6月1日·北京年产30万吨乙二醇项目工艺设计北京石油化工学院学位论文电子版授权使用协议论文《年产30万吨乙二醇项目工艺设计》系本人在北京石油化工学院学习期间创作完成的作品，并已通过论文答辩。本人系作品的唯一作者，即著作权人。现本人同意将本作品收录于“北京石油化工学院学位论文全文数据库”。本人承诺：已提交的学位论文电子版与印刷版论文的内容一致，如因不同而引起学术声誉上的损失由本人自负。本人完全同意本作品在校园网上提供论文目录检索、文摘浏览以及全文部分浏览服务。公开级学位论文全文电子版允许读者在校园网上浏览并下载全文。注：本协议书对于“非公开学位论文”在保密期限过后同样适用。院系名称：化学工程学院导师签名：熊杰明作者签名：陈帅学号：1200942016年06月21日年产30万吨乙二醇项目工艺设计I摘要近年来随着我国聚酯工业的不断发展，乙二醇的需求不断增加。国内的乙二醇产量无法满足市场需求，每年需要大量进口乙二醇。用合成气制乙二醇是非石油路线合成油制乙二醇的新途径，不仅符合我国煤储备丰富的国情，具有可持续发展的特点，而且对于国家能源安全有战略意义。本设计采用ASPEN软件对CO氧化偶联制乙二醇工艺流程进行了模拟。设计任务为：年产量为30万吨乙二醇，对CO氧化偶联制乙二醇工艺进行了全流程的模拟计算，并对相应的工艺参数进行了优化，得到最佳的塔板数、回流比以及采出量等，最终模拟得到纯度99.8%的乙二醇产品；依据ASPENPLUS模拟的计算结果，并对塔设备进行相关的设计和校核，经过塔的水力学校核，使用EXCEL对塔进行设计，求得各个塔的基本工艺参数和负荷性能图；利用ASPEN得到的数据对泵进行设计和选型：调用ExchangerDesign&Rating进行换热器的设计，并用HTRI软件对换热器进行核算；用AUTOCAD绘制了带控制点的工艺流程图和设备布置平面图。设计对工厂的车间布置、管道布置进行了相应的分析；通过经济核算得到该项目的盈利可能性较大，且适应市场变化的能力强，抗风险能力强。关键词：合成气，CO氧化偶联，乙二醇，设计，优化年产30万吨乙二醇项目工艺设计IIAbstractInrecentyears,withthecontinuousdevelopmentofChina'spolyesterindustry,increasingdemandforethyleneglycol.Domesticethyleneglycolproductioncannotmeetthemarketdemand,alargeamountofethyleneglycolimportionisneededeveryyear.ThenewapproachtothesynthesisofethyleneglycolfromsyntheticgasisnotonlyinlinewiththenationalconditionsofChina'scoalreserves,hasthecharacteristicsofsustainabledevelopment,butalsohasastrategicsignificancefornationalenergysecurity.ThisdesignchoosestheASPENsoftwaretosimulatetheCOoxidativecouplingprocess.Designtasks:annualoutputof300,000tonsofethyleneglycol,thewholeprocessoftheCOoxidativecouplingprocesswassimulatedandcalculated,Andthecorrespondingtechnologicalparameterswereoptimizedtoobtainthebestnumberofplate,refluxratioandoutput,Thefinalsimulationwasobtainedwithapurityof99.8%ethyleneglycolproduct;basedontheresultsASPENPLUSsimulation,anddesignandcheckthetowerequipment,afterthecheckofhydraulics,usingEXCELtodesignthetower,thebasicprocessparametersandloadperformancediagramofeachtowerareobtained;dataobtainedbytheAspenonthepumpfordesignandselection:callexchangerdesign&ratingforthedesignoftheheatexchangerandusingtoaccountingHTRIheatexchanger;theprocessflowchartandequipmentlayoutplanofthecontrolpointaredrawnwithAUTOCAD.Designofthefactoryworkshoplayout,pipelinelayoutofthecorrespondinganalysis;Thepossibilityofalargerprofitbyeconomicaccounting,andtheabilitytoadapttomarketchanges,andstronganti-riskcapability.Keywords:syngas,COoxidativecoupling,ethyleneglycol,design,optimization年产30万吨乙二醇项目工艺设计III目录第一章前言........................................................................................................................11.1概述............................................................................................................................11.2文献综述....................................................................................................................21.2.1乙二醇物性及用途........................................................................................................21.2.2国内生产现状................................................................................................................31.2.3国内进出口情况............................................................................................................61.2.4国内外市场供需平衡分析.........................................................................................81.3设计手段、建造规模.............................................................................................101.3.1设计手段......................................................................................................................101.3.2生产规模......................................................................................................................10第二章生产方案的确定.....................................................................................................112.1生产方案..................................................................................................................112.2产品..........................................................................................................................112.2.1产品规格......................................................................................................................112.2.2产品方案......................................................................................................................12第三章生产流程简述.........................................................................................................133.1原料..........................................................................................................................133.1.1一氧化碳......................................................................................................................133.1.2氢气..............................................................................................................................133.1.3甲醇..............................................................................................................................133.1.4萃取剂甲苯