旋片式干燥机的结构设计

东北大学毕业设计(计算说明书)摘要本科毕业设计计算说明书课题名称旋片式干燥机的结构设计学号20021847姓名李专业机械设计指导教师邓东北大学机械工程与自动化学院东北大学毕业设计(计算说明书)摘要NORTHEASTERNUNIVERSITYGraduateThesisTopic:Vane-TypeDryerDesignStuIDnumber:20021847Name:LiMajor:ME&AInstructor:DengCOLLEGEOFMECHANICALENGINEERINGANDAUTOMATION东北大学毕业设计(计算说明书)摘要摘要干燥机是通过加热使物料中的湿分(一般指水分或其它可挥发性液体成分)汽化逸出，以获得规定湿含量的固体物料的机械设备。远古以来，人类就习惯于用天然热源和自然通风来干燥物料，完全受自然条件制约，生产能力低下。随生产的发展，它们逐渐为人工可控制的热源和机械通风除湿手段所代替。干燥机的未来发展将在深入研究干燥机理和物料干燥特性，掌握对不同物料的最优操作条件下，开发和改进干燥机；另外，大型化、高强度、高经济性，以及改进对原料的适应性和产品质量，是干燥机发展的基本趋势；同时进一步研究和开发新型高效和适应特殊要求的干燥机，如旋片式干燥机等。旋片式干燥机是针对高湿度，高黏度物料的干燥特性，对各类糟渣物料的干燥都是适用的，如味精菌体蛋白，药渣，果渣，甜菜渣，淀粉渣，玉米渣，柠檬酸尾液，啤酒糟，白酒糟，饲料，蛋白粉，污泥等。本课题是在针对实际生产中的实际应用设备的系列化过程中进行一种机型一部分的具体设计计算工作。在计算说明书中，主要利用设计原始数据进行了如下的设计计算：减速器的设计轴的设计计算键的选择及强度较核轴承的选择及寿命计算其中减速器的设计计算参考了机械设计手册中有减速器选择设计的步骤；在轴的设计计算中，采用了材料力学（下册）中的力法来解决轴的校核中出现的超静定问题；键的强度分析时，查阅各种手册进行分析计算。关键词：旋片，减速器，轴。东北大学毕业设计(计算说明书)ABSTRACTABSTRACTDryerthroughtheheatingofmaterialsofmoisture(usuallywaterorothervolatileliquidingredients)vaporizationleakout.Wetlandsprovideaccesstothecontentofthesolidmaterialsofmechanicalequipment.Sinceancienttimes,humanshavebeenaccustomedtoheatwithnaturalventilationandnaturalmaterialstodrycompletelyconstrainedbynaturalconditions,lowproductivity.Withthedevelopmentofproduction,theygraduallyartificialcontroloftheheatandmechanicalventilationmeansdesiccantreplacedDryerwillbethefuturedevelopmentofin-depthresearchmaterialdryingmechanismanddryingcharacteristics,graspofthedifferentmaterialsunderoptimumoperatingconditions,thedevelopmentandimprovementofdryer;Inaddition,large-scale,high-intensity,higheconomic,andimprovingtheadaptabilityofrawmaterialsandproductquality,Dryeristhebasicdevelopmenttrends;whilefurtherresearchanddevelopanewhighefficiency,andadapttothespecialrequirementsofthedryer,vane-typedryingmachineVane-typedryerisforhighhumidity,highviscositymaterialsdryingcharacteristicsofvariousdregsofdrymaterialisapplicable,IfMSGbacterialproteinresidue,residue,beetresidue,residuestarch,cornresidue,theendofcitricacidsolution,brewer'sgrain,whiteAlcohol,feed,proteinpowder,sludge.TheissueisinresponsetotheactualproductionofthepracticalapplicationofequipmentforthemassproductionprocessofaspecificpartoftheSystemsDesigncalculation.Incalculatingstatement,themainuseoftheoriginaldesigndataforthefollowingdesign:DesignreducershaftdesignoptionsandbondstrengththanthenuclearoptionandbearinglifecalculationinwhichthedesignorreducerOperatorsreferencetothemechanicaldesignofa东北大学毕业设计(计算说明书)ABSTRACTmanualreducerselectionofthedesignsteps;intheshaftdesign,usingamechanical(copies)oftheActtoaddresstheaxisofcheckingstaticallyindeterminate;Bondstrengthanalysis,Inspectionmanualsforanalysis.Keywords:vane,reducer,theaxis.东北大学毕业设计(计算说明书)目录I目录目录........................................................................I第一章绪论..............................................................-1-1.1设计题目.............................................................-1-1.2简要背景.............................................................-1-1.3系统总体方案的确定...................................................-3-第二章产品中水分的赋存形态...............................................-5-2.1水分的赋存形态........................................................-5-2.1.1化合水分.........................................................-5-2.1.2结合水分.........................................................-5-2.1.3毛细管水分.......................................................-6-2.1.4自由水分.........................................................-7-2.2物料性质对脱水的影响.................................................-8-2.2.1孔隙度对脱水的影响...............................................-8-2.2.2比表面积对脱水的影响.............................................-8-2.2.3润湿性对脱水的影响...............................................-8-2.2.4物料的粒度大小及粒度组成对脱水的影响.............................-8-第三章机械结构的设计计算.................................................-9-3.1设计原始数据..........................................................-9-3.2电机、减速机的设计....................................................-9-3.2.1选择电机.........................................................-9-3.2.2设计初始参数....................................................-10-3.2.3选择减速器......................................................-10-3.2.4旋片式干燥机容积的估算..........................................-12-东北大学毕业设计(计算说明书)目录II3.3搅拌轴的设计计算与校核...............................................-14-3.3.1选择轴的材料....................................................-14-3.3.2按扭转强度初步计算轴径..........................................-15-3.3.3轴的结构设计....................................................-16-3.3.4轴的校核........................................................-18-3.4排料轴的设计及校核...................................................-19-3.4.1选择轴的材料....................................................-19-3.4.2按扭转强度初步计算轴径..........................................-20-3.4.3轴的结构设计....................................................-21-3.4.4轴的校核........................................................-22-3.5键的选择及校核.......................................................-23-3.5.1搅拌轴上键的选择及校核.......