年产三十万吨尿素化工厂设计,毕业设计

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1、I年产30万吨尿素化工厂设计摘要本设计采用水溶液全循环法用氨和二氧化碳直接合成尿素�采取的是连续生产的方法�主要包括合成、分离及结晶造粒三个主要工序。本设计主要包括整个尿素生产过程的工艺设计�合成工段和造粒工段的物料衡算、热量衡算及设备选型�工厂布置设计。主要设计图包括尿素生产工艺流程图、车间剖面图、车间平面图及全厂布置图。关键词�尿素�工艺设计IIWithanAnnualOutputof300,000TonsofUreaChemicalPlantDesignABSTRACTThesolutionwasdesignedwiththewholecycleAct,ammoniaan

2、dcarbondioxidedirectsynthesisofurea.Adoptingacontinuousproductionmethods,includingsynthesis,separationandcrystallizationofthethreemaingranulationprocesses.ThedesignmainlyincludestheentireprocessofWeakAcidBlackNB-Gdyeproductionprocessdesign,synthesisandgranulationSectionofthematerialbalancean

3、dheatbalanceselectionofequipment�factorylayoutdesign.Designplansincludemajorureaproductionprocessmaps,profilesworkshop,workshopfloorplanandpalntlayout.KEYWORDS:Urea,ProcessDesignIII目录摘要..............................................................IABSTRACT....................................

4、.....................II1绪论.............................................................11.1项目依据.......................................................11.1.1课题背景及意义...............................................11.1.2我国酸性染料产业概况.........................................21.1.3国际酸性染料需求概况.........

5、...............................131.2设计原则.....................................................161.3课题的主要任务�需附有技术指标要求�.........................171.4厂制概况......................................................171.4.1工厂组织...................................................171.4.2工作制度...............

6、....................................171.4.3人员配备...................................................171.5厂址选择......................................................181.5.1建厂依据...................................................181.5.2指导方针...................................................181.5.3

7、厂址及建厂条件.............................................181.6气象地质资料月份.............................................191.6.1气象资料....................................................191.6.2地质资料....................................................201.7环境保护及废物