北京理工大学珠海学院2020届应用化学专业毕业设计以甘蔗为原料年产10万吨生物乙醇工厂设计摘要生物乙醇是一种可持续发展的新型清洁能源，它能作为汽油的增氧机和调和剂，与汽油混合燃料时，能有效提高汽油的燃烧水平，对社会环境的伤害。本设计以甘蔗为原料，设计一个年产10万吨生物乙醇的工厂设计。通过设计、分析和计算，完成工艺流程、设备选型、工厂设计等内容。本设计采用的工艺流程为：单浓度糖蜜连续发酵法、双塔差压蒸馏法、吸附精馏法、分子筛脱水法等。工厂选址在原材料充足的广西省南宁市。本设计主要的车间分布有：动力车间、生产车间、辅助车间、仓库和公共设备。对于工厂生产过程中产生的污染做了环保处理的设计。关键词：生物乙醇；发酵法；糖蜜；环保北京理工大学珠海学院2020届应用化学专业毕业设计AbstractBioethanolisanewtypeofcleanenergywithsustainabledevelopment.Itcanbeusedastheoxygenatorandblendingagentofgasoline.Whenitismixedwithgasoline,itcaneffectivelyimprovethecombustionlevelofgasolineandharmthesocialenvironment.Inthisdesign,sugarcaneisusedasrawmaterialtodesignaplantwithanannualoutputof100000tonsofbioethanol.Throughdesign,analysisandcalculation,completetheprocessflow,equipmentselection,plantdesignandothercontents.Thetechnologicalprocessadoptedinthisdesignis:singleconcentrationmolassescontinuousfermentation,doubletowerdifferentialpressuredistillation,adsorptiondistillation,molecularsievedehydration,etc.ThefactoryislocatedinNanningCity,GuangxiProvince,whichhassufficientrawmaterials.Themainworkshopdistributionofthisdesignincludes:powerworkshop,productionworkshop,auxiliaryworkshop,warehouseandpublicequipment.Environmentalprotectiontreatmentisdesignedforthepollutionproducedintheproductionprocessofthefactory.Keywords:Bioethanol;Fermentation;Molasses;EnvironmentalProtection北京理工大学珠海学院2020届应用化学专业毕业设计目录1绪论......................................................................................................................................................11.1生物乙醇的背景和现状........................................................................................................11.2国内外的发展状况..................................................................................................................11.3设计原则..................................................................................................................................22．工艺流程图的选择...........................................................................................................................32.1工艺流程的参数......................................................................................................................32.2工艺流程..................................................................................................................................43.工艺计算.............................................................................................................................................63.1物料总览..................................................................................................................................63.1.1计算原材料的消耗量(基准：1000kg无水乙醇)......................................................63.1.2发酵醪量的计算..........................................................................................................63.1.3成品醪量与废醪量的恒算..........................................................................................7...
