资源描述：
《TEMA换热器设计》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、SHELL-AND-TUBEHEATEXCHANGERSEffectivelyDesignShell-and-TubeHeatExchangershermaldesignofshell-and-tube•baffles;andheatexchangers(STHEs)is•nozzles.TomakethemostTdonebysophisticatedcomputerOthercomponentsincludetie-rodsandsoftware.However,agoodun-spacers,
2、passpartitionplates,impinge-ofexchangerderstandingoftheunderlyingprinciplesmentplate,longitudinalbaffle,sealingofexchangerdesignisneededtousethisstrips,supports,andfoundation.designsoftware,softwareeffectively.TheStandardsoftheTubularEx-Thisarticleexpl
3、ainsthebasicsofex-changerManufacturersAssociationoneneedstochangerthermaldesign,coveringsuch(TEMA)(1)describethesevariouscom-topicsas:STHEcomponents;classifica-ponentsindetail.understandSTHEtionofSTHEsaccordingtoconstructionAnSTHEisdividedintothreeparts
4、:andaccordingtoservice;dataneededforthefronthead,theshell,andtherearclassification,thermaldesign;tubesidedesign;shellsidehead.Figure1illustratestheTEMAexchangerdesign,includingtubelayout,baffling,nomenclatureforthevariousconstructionandshellsidepressure
5、drop;andmeanpossibilities.Exchangersaredescribedbycomponents,tubetemperaturedifference.Thebasicequa-thelettercodesforthethreesections—tionsfortubesideandshellsideheatforexample,aBFLexchangerhasabon-layout,baffling,transferandpressuredroparewell-netcove
6、r,atwo-passshellwithalongitu-known;herewefocusontheapplicationdinalbaffle,andafixed-tubesheetrearpressuredrop,andofthesecorrelationsfortheoptimumde-head.signofheatexchangers.Afollowuparti-meantemperaturecleonadvancedtopicsinshell-and-tubeClassificationhe
7、atexchangerdesign,suchasallocationbasedonconstructiondifference.ofshellsideandtubesidefluids,useofFixedtubesheet.Afixed-tubesheetmultipleshells,overdesign,andfouling,heatexchanger(Figure2)hasstraightisscheduledtoappearinthenextissue.tubesthataresecuredat
8、bothendstotubesheetsweldedtotheshell.Thecon-RajivMukherjee,ComponentsofSTHEsstructionmayhaveremovablechannelEngineersIndiaLtd.Itisessentialforthedesignertohaveacovers(e.g.,AEL),bonnet-typechannelgoodworkingknowledgeofthemechani-covers(e
