[工学]润滑油冷却器管壳式换热器毕业设计

分类号TH117.2+1单位代码密级公开学号学生毕业设计（论文）题目润滑油冷却器的设计作者院(系)专业机械设计制造及其自动化指导教师答辩日期年月日毕业设计（论文）诚信责任书本人郑重声明：所呈交的毕业设计（论文），是本人在导师的指导下独立进行研究所取得的成果。毕业设计（论文）中凡引用他人已经发表或未发表的成果、数据、观点等，均已明确注明出处。尽我所知，除文中已经注明引用的内容外，本论文不包含任何其他个人或集体已经公开发表或撰写过的研究成果。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标明。本人毕业设计（论文）与资料若有不实，愿意承担一切相关的法律责任。论文作者签名:年月日榆林学院本科毕业设计（论文）I摘要润滑油冷却器是大型运转设备中一个重要组成部分。它主要用于冷却吸收了磨擦热的润滑油，从而保证润滑油的使用寿命和机组安全可靠地运行。文中的润滑油冷却器在结构上采用了1-6型，即壳侧一程，管侧六程，并按照设计要求对其进行了整体的设计。首先，通过换热计算确定换热面积与管子根数，进而初步选定换热器的结构类型。然后按照设计要求以及一系列国家标准进行结构设计，之后又给出了水压试验要求，在设计的同时还进行了相关的校核。最后整理数据绘制了零件图和装配图。设计完成的润滑油冷却器能够及时有效的对流经轴承等处的润滑油进行冷却，使整个设备始终处于良好的运行状态。关键词：润滑油；冷却器；管壳式榆林学院本科毕业设计（论文）IIDesignofLubricatingOilHeatExchangerABSTRACTLubricatingoilheatexchangerisanimportantpartofthelargeScaleRotatingequipment.Itismainlyusedforcoolinglubricatingoilwhichabsorbedthefrictionheat,soastoensuretheservicelifeoflubricatingoilandtheunitoperatedsafelyandreliably.Inthispaper,usinga1-6type,i.e.aprocessinshellside,andanothersixprocessinpipesside,theoveralldesignforlubricatingoilcoolerismadeinaccordancewiththedesignrequirements.Firstofall,thetransferareaandthenumberofpipesarecalculated,andthenthetypeofheatexchangerisselected.Then,thestructureoflubricatingoilheatexchangerwasdesignedinaccordancewiththedesignrequirementsandaseriesofnationalstandards,afterthatthehydraulicpressuretestiscarriedout,andthestrengthcheckismade.Finally,thedataiscollectedtodrawthepartdrawingandassemblydrawing,soastotheentiredesigniscompleted.Thelubricatingoilcoolerdesignedinthispapercancooloilthatflowedthroughabearingtimelyandeffectively,sothatthewholeequipmentisalwaysingoodworkingcondition.Keywords：Lubricatingoil;Heatexchanger;Fixedpipesandplat榆林学院本科毕业设计（论文）III目录摘要...............................................................................................................................IABSTRACT.....................................................................................................................II1绪论............................................................................................................................11.1设计内容...........................................................................................................11.2换热器的国内外状况.......................................................................................11.3管壳式换热器的结构.......................................................................................22管壳式换热器选型及设计思路..................................................................................52.1设计参数...........................................................................................................52.2换热器选型原则...............................................................................................52.3换热器的设计思路...........................................................................................63热工设计......................................................................................................................93.1计算总传热系数...............................................................................................93.2核算总传热系数K值.....................................................................................123.3核算压力降.....................................................................................................144结构设计....................................................................................................................174.1壳体设计.........................................................................................................174.2封头设计.........................................................................................................184.3管板设计.........................................................................................................184.4换热管设计.....................................................................................................204.5接管设计.........................................................................................................244.6壳体与管板、管板与法兰及换热管的连接设计.........................................275水压试验要求............................................................................................................355.1试验基本原则.................................................................................................355.2试验步骤.........................................................................................................356总结............................................................................................................................37参考文献........................................................................................................................39致谢............................................................................................................................40榆林学院本科毕业设计（论文）11绪论1.1设计内容润滑油用在各种类型机械上以减少摩擦，保护机械及加工件，主要起润滑、冷却、防锈、清洁、密封和缓冲等作用。然而由于机器运转会产生大量的热量，这使得润滑油在工作过程中会带走很大一部分热量，为了保证机器的正常运转和润滑油的正常使用寿命，我们一般使用润滑油冷却器来控制油温。润滑油冷却器通常用水或空气为冷却介质以除去热量，大致分为喷淋式冷却器、夹套式冷却器和管壳式冷却器等几种类型。其中，管壳式换热器具有结构坚固、操作弹性大、可靠程度高、适用范围广、制造成本低、清洗方便、处理量大、工作可靠等优点，故本课题采用管壳式换热器。管壳式换热器是把换热管余管板连接