辽宁工程技术大学毕业设计（论文）.摘要此设计是在以安全为前提，在尽可能保证其质量、经济合理性和实用性等技术指标为前提下进行的设计。BR01型板式换热器是一种高效紧凑的换热设备，它被应用到食品工业、冶金工业、机电工业、造纸工业、石油工业等领域。而且其类型、结构和使用范围还在不断发展。焊接型板式换热器的紧凑性好，重量轻、传热性能好、初始成本低特点。本文对板式换热器的发展及应用领域作了简要的介绍，通过应用板式换热器的传热机理。对板式换热器进行了热力计算和阻力计算，在满足了校核条件下，设计了板式换热器的基本结构如框架形式，板片结构及流程组合方式等结构参数。确定了板片数为149的并联式流程组合的板式换热器，用AutoCAD绘制零件图及总图。关键字：板式换热器；结构设计；热力计算；校核；经济性分析AbstractThedesignispremiseofsecurity,inanmushanpossibletoensureitsquality,economicallyrationalandpracticaltechnicalindicators,suchanunderthepremiseofthedesign.Plateheatexchangersacompactandefficientheattransferequipment,itisappliedtothefoodindustry,metallurgicalindustry,electromechanicalindustry,paperindustry,oilindustryandotherfields.Anditstype,structureandscopearestillevolving,Weldedplateheatexchangercompactnesshasthefeaturessuchaslightweight,goodheattransferperformanceandlowinitialcost.Inthispaper,bytheusingofplateheatexchangerheattransfermechanismthedevelopmentofplateheatexchangerandapplicationsarebrieflyintroduced.Itcarriedouttheplateheatexchangerthermalcalculationandresistancecalculations,anddesignedthebasicstructureoftheplateheatexchangersuchastheframeworks,structureandprocessescombinationstomeettheverificationcondition.Finallyitdeterminedtheparallelflowplateheatexchangerwith149oftheplatesandcombinedwithAutoCADdrawingpartsdiagramandassemblydrawings.Keywords:Plateheatexchanger;Configurationdesign;Thermodynamiccalculation;Check;目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc421785546"1.绪论PAGEREF_Toc421785546\h1HYPERLINK\l"_Toc421785547"1.1板式换热器的概述PAGEREF_Toc421785547\h1HYPERLINK\l"_Toc421785548"1.2我国设计制造应用情况PAGEREF_Toc421785548\h1HYPERLINK\l"_Toc421785549"1.3国外著名厂家及其产品PAGEREF_Toc421785549\h3HYPERLINK\l"_Toc421785550"2.BR01型板式换热器的基本构造PAGEREF_Toc421785550\h6HYPERLINK\l"_Toc421785551"2.1BR01型板式换热器的基本构造PAGEREF_Toc421785551\h6HYPERLINK\l"_Toc421785552"2.2流程组合PAGEREF_Toc421785552\h6HYPERLINK\l"_Toc421785553"2.3框架型式PAGEREF_Toc421785553\