電伴熱的安裝及其注意事項

電伴熱的安裝及其注意事項5.Installation安裝5.1Installationpreparations安裝準備5.1.1Scheduling時序安排■Theinstallationoftheelectricaltraceheatingmustbetemporallycoordinatedwithotherinstallationworks.Thisparticularlyreferstoworkscarriedoutatthevesselsandsurfacestobeheated,theelectricalinstallationandheatinsulation.電伴熱的安裝工作要同其他工作協(xié)調(diào)進行。主要指筒體和需電伴熱的表面的安裝工作，電氣安裝和加熱伴熱裝置。■Allinstallationworksatthevesselsandsurfacesmusthavebeencompleted.筒體和伴熱表面的所有安裝工作應(yīng)已經(jīng)完成。■Pressuretestsaswellasmaterialtestsofthepipingsystemshouldhavebeenterminatedpriortoinstallingtheelectricaltraceheating.在電伴熱安裝前，請先進行管路系統(tǒng)的壓力測試和材料檢驗。5.1.2Inspectionspriortoinstallation安裝前檢驗■Checkwhetherallmaterialrequiredfortheinstallationoftheelectricaltraceheatingisavailableattheconstructionsiteandfreeofdamage.檢查電伴熱安裝所需的所有材料是否都已經(jīng)到現(xiàn)場，并且沒有損壞?！鯝boveall,checkwhethertheidentificationoftheheatingcableandthecomponentscomplieswiththeconfigurationdocuments(materiallist)andtypeexaminationcertificates.重要的是，檢查加熱電纜的規(guī)格和其他零件是否符合相關(guān)文件要求和是否同檢驗證書相符合?！鯟heckonthebasisoftheproduct-accompanyinginstallationinstructionswhetherallrequiredtoolsarecompletelyavailable.根據(jù)隨產(chǎn)品所附的安裝說明書要求，檢查是否所有安裝所需的工具均已齊全。■Plantheroutingoftheheatingcablebyinspectingthevessel/surfacetobeheated.設(shè)計加熱電纜在筒體/伴熱表面的布線方法?！鯳ithinthiscontext,payattentiontosharpedgesandunevensurfaceswhichmaydamagetheheatingcableandremovethem.檢查伴熱表面是否有銳利邊或不平整，并去除，以免劃破電纜?！鯲arnishedandpaintedvesselsandsurfacesmustbecompletelydrybeforestartinginstallationworks.在電伴熱安裝之前，上過漆的表面必須完全干燥后再進行?！鯲erifywhethertheactualsurfacetobeheatedcomplieswiththecalculatedsurface.核對實際所需伴熱表面是否同原計算的表面一樣?！鯬riortoroutingtheheatingcable,verifywhetherthevessel/surfacedimensionscomplywiththedimensionsusedfordesigndimensioning.Onlycuttheheatingcabletolengthafterithasbeenroutedandfixedinaccordancewiththedesigndimensioning.在布線前，核對筒體/表面的實際尺寸是否與原設(shè)計的尺寸一致。然后按照設(shè)計尺寸要求在布好線，固定好后再把電纜安裝到設(shè)備表面。5.2Installationoftheheatingcable加熱電纜安裝方法5.2.1Routingoftheheatingcable-installationofthefixingaccessories加熱電纜布線----（鉤釘焊接安裝）■Approx.5fixingpinspersquaremetermustbeattachedtothesurfacetobeheatedbymeansofspotwelding.每平方米伴熱表面需要點焊大約5個固定釘。■Thepointsfortheweldingspotsonthesurfacetobeheatedmustbecleanedbymeansofananglegrinderorasimilardevice(sketch1).伴熱面上的需要點焊的地方必須先用一角形磨刀或其他類似工具清理干凈（見示意圖1）■Then,thefixingpinsareweldedtothesurfacebymeansofspotwelding(sketch2).然后，將固定釘點焊到伴熱面上。5.2.2Installationoftheheatingcable加熱電纜安裝方法■Tounrolltheheatingcable,useastablefixturefortheheatingcablereel.展開加熱電纜，電纜軸要用一穩(wěn)定的固定裝置?！鯡venlywindtheheatingcableoffthereel(sketch5).Avoidextensivepullingaswellasbendingandcrimpingoftheheatingcable.均勻的展開加熱電纜。展開過程中注意不要用力拉扯，不要彎卷，卷邊?！鯳henrollingtheheatingcableoffthereel,observethatthecabledoesnotrunovercornersorsharpedges.在展開過程中要特別注意，不要讓電纜經(jīng)過轉(zhuǎn)角和接觸較銳利的邊角?！鯠onotstepontheheatingcable!Donotusetheheatingconductorasasteppingloop!Donotdriveovertheheatingcablewithavehicleandkeepotherpeoplefromdrivingoverthecable.注意不要踩塌電纜！不要將熱導(dǎo)體作為每圈的分段。不要讓卡車軋過電纜！■Startingattheterminalbox,theheatingcableisroutedoverthesurfacetobeheatedinloopsand從接線盒開始，加熱電纜開始在加熱表面上布線，并且fixedbymeansoftheEMKorEKLspacingstripattachedbeforehand(sketch5)Priortoroutingtheheatingcable,thespacingstripsarefixedtothesurfacetobeheatedbymeansoffixingpinsandlockingwashersattachedbeforehandorbymeansofwelding.Forthispurpose,thesurfaceispunctuallycleanedinaccordancewiththepartitioningtopreparethefixingpins’weldingbymeansoftheweldclamp(referto5.2.1;5.2.2).在加熱電纜布線之前，先將固定釘焊接的方式固定在伴熱表面上。當(dāng)然，需要焊接固定釘?shù)谋砻嬉惨呀?jīng)按照要求清潔完畢（參見5.2.1和5.2.2）■Whenroutingtheheatingcable,alwaysobservetheminimallypermissiblebendingradius!(5xexternaldiameterforEKLandEMK).在布線過程中，要時刻留意下允許的最小彎曲半徑（EKL和EMK外徑的5倍）Example:例如EDheatingcable=3mm加熱電纜外徑=3mmCablespacing=Factorbendingradiusxexternaldiameterheatingcable電纜間距=彎曲半徑系數(shù)X加熱電纜外徑Cablespacing=5x6mm=30mm電纜間距=5X6=30mm■Whenroutingtheheatingcable,observethattheheatingcablecanbere-routedwithoutanyjunctions.Couldleadmustbeoutofinsulation.在布置電纜時，注意不能有電焊作業(yè)。不能有電伴熱之間的交叉重疊，電伴熱冷端焊接頭須露出保溫材料否則要重新布置?！鯳henrouting,considerallfixturesandextensionsofvesselsandsurfaces.布線過程中，要注意伴熱面的固定裝置和加強筋?！鯞othwiththeEKLaswellaswiththeEMK,theheatingcableterminationsconsistoftransitionsleevesandaconnectedcoldcable.Forelectricalconnection,theendsofthecoldcablesareinsertedintheterminalboxandconnectedinaccordancewiththeterminalplan.無論是EKL或者是EMK，加熱電纜端應(yīng)包括有過渡套管和一連接用冷電纜。對于電氣連接，冷電纜端部要插入接線盒中，與相應(yīng)的端子板連接。5.3Installationofaccessories輔件安裝方法5.3.1BARTECsystemaccessoriesBARTEC系統(tǒng)輔件Besidetheheatingcable,thefollowingsystemaccessoriesareusuallyrequiredforthecompleteinstallationofaheatingcircuit:對于安裝加熱電纜時，通常需要以下系統(tǒng)輔件：■Heatingcableconnectionsystem加熱電纜接線系統(tǒng)■Coldleads冷引線■Fixingaccessoriesfortheheatingcable加熱電纜固定用輔件■Heat-insulationducts絕緣管Furthersystemaccessoriesmaybeadditionallyrequired:另外，以下為可能額外需要的系統(tǒng)輔件：■Heatingcableconnection加熱電纜接線■Terminalbox/connectionbox端子盒/接線盒■Mountingbracketandmountingplateforterminalorconnectionbox端子盒或者接線盒安裝支架和安裝平臺5.3.2Furtherinstallationinstructions其他安裝說明■Priortoinstallingthepowersupplylines,installtheheatingcableconnections.加熱電纜接線要在安裝電源線前安裝■Installterminalboxesinafreelyaccessibleway.接線盒要安裝在可以任意到達的地方?！鯳henpositioningtheterminalboxes,makesurethattheboxentrieswithcableandheatingcablescrewconnectionsdonotpointupwards.在布置接線盒時，要注意接線盒電纜和加熱電纜螺絲接頭不要朝上?！鯳heninstallingconnections,ensuretheexistingcablepathscanbefurtherused.在安裝接頭時，要注意保證以有的電纜線路仍能使用?！鯠uringinstallation,keeptheterminalboxesclosedaslongaspossibletoprovideprotectionagainstdirtandhumidity.在安裝過程中，要盡可能長時間的保證端子箱封閉，以防污物進入和防潮?！鯟heckforaproperestablishmentoftheterminationsystemandthecorrectfunctioningoftheheatingcircuitbymeasuringtheinsulationandtheloopresistance(Chapter9).檢查端子系統(tǒng)和加熱電路是否正確安裝，主要檢查其絕緣性能和電阻Aftertheinstallationofboxes,check:在各盒子安裝完畢后，檢查以下內(nèi)容：whethersuitableandapprovedscrewconnectionsandfillerplugshavebeenusedandwhethertheyhavebeenproperlyinstalled.是否選擇了正確的螺絲接頭和插頭，其是否正確安裝foratightfitofscrewconnectionsandfillerplugs.螺絲接頭和插頭安裝松緊度是否適當(dāng)foratightfitoftheboxatthemountingbracket.盒子安裝在支架上松緊度是否恰當(dāng)Ensurewhethertherequirementsstipulatedinthetypeexaminationcertificateshavebeenmet.檢查是否達到檢驗證書所要求標準5.4Acceptanceandinspection驗收和檢驗注意：一定要在加熱電路檢驗合格之后再配置伴熱系統(tǒng)。Inspectionprocess檢驗工藝■Pri