本科毕业设计(论文)GRADUATIONDESIGN(THESIS)题目_基于OpenStack的__________学生姓名_____________________指导教师_____________________学院_____________________专业班级_____________________本科生院制2015年6月年产50万吨甲醇制烯烃工厂的初步设计年产50万吨MTO工厂设计摘要本项目为年产50万吨MTO工厂的初步设计。通过分析当前国内外MTO生产和研究现状,对生产工艺进行了选择论证。然后运用Aspen软件模拟初步的工艺流程,并通过对一系列工艺参数,如精馏塔的塔板数—产品纯度、进料塔板数—产品纯度、产品纯度—回流比、再沸器负荷—回流比等进行灵敏度分析,优化设备操作条件,提高工艺的合理性和经济性。本设计还针对工艺流程进行换热网络设计和对全局换热网络进行了优化和评估,通过内部流股之间相互换热以减少公用工程的消耗,最终优化后节约79.4%的热公用工程资源和73.7%的冷公用工程资源。本设计还运用水夹点技术优化了用水网络,根据水硬度分类处理水操作单元,并合理再生利用,使得本项目新鲜水用量和废水排放量达到最小,优化后的用水网络节约用水53.59%。本设计对于MTO工厂的生产和设计建造具有一定的现实指导意义。关键词:工厂设计灵敏度分析能量衡算夹点技术动态控制页眉为毕业设计(论文)题目,黑体小五号字摘要采用三号黑体居中,上下分别空一行摘要为小四号宋体,首行缩进两个汉字,中文摘要限350字左右。页面设置为-页边距:上2.5厘米,下2.5厘米,左3.0厘米,右2.0厘米;行距:1.5倍行距(约30行×37字)。空一行小四号宋体加粗小四号宋体,各词间空一个汉字。题目采用小二号黑体居中,上下分别空一行年产50万吨甲醇制烯烃工厂的初步设计DesignofaMTOplantwithoutputof500,000tonsABSTRACTThisprojectisthepreliminarydesignofaMTOplantwithanannualoutputof500,000tonsoflightolefins.Basedonthecurrentproductionandresearchsituationallthroughtheworld,theproductionmethodwasselectedanddemonstrated.Aspensoftwarewasusedtosimulatethepreliminaryprocess.Heatintegrationmethodwasappliedtooptimizetheheatexchangenetwork.Rationalheatexchangebetweenprocessstreamsweresuggestedwhichresultedinthedecreasingofutilitiesconsumptionandexchangernumber.Theheatintegrationleadedtoenergysavingof79.4%ofheatutilitiesand73.7%ofthecoldutilities.Inaddition,thewaterpinchtechnologywasalsoimplementedtooptimizethewaternetwork.Thewateroperatingunitwasclassifiedaccordingtowaterhardness,withareasonablerecycling.Theamountoffreshwaterconsumptionandwastewateremissionwasminimized.Theoptimizedwaternetworkachieved53.59%watersaving.Finally,apreliminaryeconomicanalysistotheentireprojectwasestimatedinordertogettheprojectconstructioncostandprofitability.Insummary,thisdesignisofsomepracticalsignificancefortheproductionanddesignoftheMTOindustry.Keywords:PlantdesignSensitivityanalysisEnergybalancecalculationWaterpinchDynamiccontrol英文摘要采用三号TimesNewRoman加粗,居中,上下各空一行英文题目采用小二号TimesNewRoman加粗,居中,上下各空一行页面设置如前。小四号TimesNewRoman,首行缩进4个英文字符。小四号TimesNewRoman加粗,顶格,Keywords之间空一字符。小四号TimesNewRoman,各关键词之间空两个字符。空一行年产50万吨甲醇制烯烃工厂的初步设计目录(格式一)第1章绪论................................................................................................................11.1项目概况.......................................................................................................11.2项目背景和建设意义...................................................................................11.2.1项目背景............................................................................................21.2.2项目建设的必要性和投资意义........................................................3………………………………………………………………第2章反应和净化预处理......................................................................................152.1二级标题.....................................................................................................152.1.1三级标题..........................................................................................162.1.2三级标题..........................................................................................17…………………………………………………………………………第5章结论………………………………………………………………………28结束语..........................................................................................................................29参考文献......................................................................................................................30页面设置如前。一级标题为小四号宋体,顶格,章号后空一个汉字。三号黑体居中,上下分别空一行二级标题为小四号宋体,缩进两个汉字,章节号后空一个汉字。三级标题为小四号宋体,缩进四个汉字,章节号后空一个汉字。年产50万吨甲醇制烯烃工厂的初步设计目录(格式二)一、绪论........................................................................................................................1(一)杨义叙事学研究的理论进程....................................................................11、关于本课题的研究现状..........................................................................12、本文的研究思路......................................................................................2(二)XXXX............................................................................................................3………………………………………………………………二、杨义对中国叙事学体系的构建..........................................................................15(一)二级标题..................................................................................................151、三级标题................................................................................................162、三级标题................................................................................................17…………………………………………………………………………五、结论………………………………………………………………………28结束语..........................................................................................................................29参考文献......................................................................................................................30页面设置如前。一级标题为小四号宋体,顶格。三号黑体居中,上下分别空一行二级标题为小四号宋体,缩进两个汉字。三级标题为小四号宋体,缩进四个汉字。年产50万吨甲醇制烯烃工厂的初步设计第1页共6页第1章绪论1.1项目概况本项目为年产50万吨低碳烯烃煤化工综合企业MTO分厂设计,为内蒙古久泰能源煤制甲醇下游子项目。建于鄂尔多斯市准格尔旗大路煤化工基地。项目由甲醇制取低碳烯烃,相较于传统的烯烃制取方法,碳原子的利用率更高,CO2的排放显著减少,经济效益更高。本项目的建设投产能缓解我国对于低碳烯烃