換熱器制造工藝指導流程

換熱器制造工藝指導流程

1?材料確認：在材料管理員的指導下，對材料的標記確認。Confirmmaterial:undertheguidanceofmaterialsadministrator.recognizedthemarkofthematerial?2?根據(jù)工藝排版圖將板料平鋪于切割架上，號料劃出切割線、刨邊線、檢査線。Accordingtoprocessdiagram,layoutingthematerialboardontheshelves,cuttinganddrawthecuttingline,planeedge,checkingline?筒節(jié)Tubesectiongrooveprocesscard),Ultrasonictestingafterthecom4?卷板：3?坡口加工（見坡口工藝卡）完成后對坡口進行超聲檢測O筒節(jié)Tubesectiongrooveprocesscard),Ultrasonictestingafterthecom4?卷板：ofthegroove?？诩庸ね旰玫陌辶现糜诰戆鍣C上、下輥輪間，板料周長方向與輥輪垂直，縱向與輥輪平行。Coil:placethegrooveprocessingintactsheetontherollingmachine,betweentheupperandlowerroller,thesheetperimeterdirectionisverticaltotheroller,andthelongitudinalisparalleltotherooler.5?縱縫組對：將縱縫口兩端對齊，控制錯邊量，錯邊不大于1/4§且不大于2mm,并點上引弧板。 Combinethelongitudinalseam:Alignbothendsofthelongitudinalseam,controltheamountoftheStaggeredside,thestaggeredsideisnotgreaterthan1/4amdnotgreaterthan2mm,andpointthearcplate?

6?縱縫焊接，見焊接工藝卡。 Longitudinalseamwelding,seetheweldingprocesscardo7.校園：不園度控制在0?5%DN,且不大于5mm，DNM1200,不大于7mm；棱角度，控制在§s/10+2,且不大于5mmoRegulatetomakesureitcircle:Park,controlthedegreeofof-roundnessat0.5%theDN,andnotmorethan5mm,theDN21200,notmorethan7mm;theangularity,shouldbecontrolledatSS/10+2,andnotmorethan5mm。筒體Tube

Body1?將各筒節(jié)按排版圖要求組對，各縫分布于0~180°,互錯180°,環(huán)縫組對間隙0~2mm。Accordingtotherequirementsofeachtubesectionlayoutdiagram,combinethem,eachseamisdistributedinthe0to180°,Stagger180°,thecircumferentialseamcombinationgapis0~2mm?筒體Tube

Body2?組對完畢后，從0°、90°、180°、270°四個方位檢測，直線度10%,且不大于4.5mm。?Detectafterthecombinationofthe0°,90 180°,270°fourorientation,10%straightness,andnolargerthan4?5mm?3.環(huán)縫棱角度控制在§s/10+2,且不大于5mm錯邊量。Controltheringslitangulardegreeat6S/10+2,nolargerthan5mmStaggerionofthevolume.

i=j4?環(huán)縫組對時不可強行組裝，可用加減絲扣調(diào)節(jié)間隙，間隙在0~1?5mm最i=j佳。WhencombinetheCircumferentialseam,wemustnotassembleforcibly,usetheavailablesubtractionthreadedtoadjustthegap,thegapisatbestinthe0~1.5mm?5?確定錯邊值后，依次從最佳點入手，順勢而成，環(huán)縫錯邊量不得大于1/4§板厚且不大于2mm。DeterminingthevalueoftheStagger,startfromthebestpointbyturn,homeopath&對組it,thecircumferentialseamshouldnotbethan1/46platethicknessandtnhomeopath&對組的筒體進行直線度檢測，四點方位，其最大差值不得大于4?5mm。Testthestraightnessafterassemblingthecylinder,fourpiontposition,themaximumdifferenceisnot筒體

與法蘭

組對Tube

Body筒體

與法蘭

組對Tube

Body1?法蘭必須是經(jīng)過檢驗，貼有合格標簽的，對應的流水號和產(chǎn)品編號的。Theflangemustbetested,labelledwithaqualifiedlabel,thecorrespondingserialnumberandproductnumber.2?用直尺劃出法蘭螺栓孔跨中線，與筒體縱縫線平行組裝。 Drawtheflangeboltholesacrossthecenterlinewitharuler,assembleandmakesureitparalleltothecylinderlongitudinalsuture? °方位（即水平方向左、右linderlongitudinalsuture.3?將裝一端法蘭的筒體,縱縫方向轉至90°和270°holesacrossthecenterlinewitharuler,assembleandmakesureitparalleltothecylinderlongitudinalsuture? °方位（即水平方向左、右linderlongitudinalsuture.兩側），均分法蘭孔，四等分。 Turntheoneendinstalledflangeofthecylinder,longitudinalseam

AndLawOrchidGroupTodirectiontothe90°and270°azimuth(horizontalleftandrightsidesdirection),dividedequallyflangeholes,quartered°4?用鉛垂線或水平尺將有一端法蘭的筒體調(diào)節(jié)好，要求0°~180?？缰芯€與鉛垂線重合。Adjusttheoneendflangeofthecylinderbytheplumblineorlevelruler,requirethe0°o180°crossingcenterlineandplumblinetocoincidewitheachother.5?組對另一端法蘭，即管箱法蘭鉛垂線與跨中等分線要求與上法蘭相同條件(即螺栓孔跨中)。Assembletheotherendoftheflange,thusthetubeboxflangeplumblinesharesthesameconditionwiththemiddle-pointline(thustheboltholeisatthemiddle)?6?裝配間隙0~1.5mm，錯邊量0~2mm。Theassemblygapis0~1.5mm,thestaggrmountis0~2mm?7?檢測兩端法蘭面水平度，用卷尺在0°、90°、180°、270°四個方位，測得殼體長，長度偏差2mm。筒體總長控制在()土3mm。Detectetheleveldegreesofbothendsoftheflange,usethetapemeasureat0°,90°,180°,270fourcardinalposition,measuretheshelllength,thedeviationis2mm?Thebarrellengthiscontledat0±3mm°8.檢測、焊接完畢后，對筒體環(huán)縫內(nèi)打磨平，送探傷檢測，要求RTM()%,III級合格。Afterdetectionandwelding,polishedflatwithintheseamofthecylinderring,sendingtheflaw

todetect,requsttheRT2()class,IIIqualified?接管與法蘭Nozzleand theflange將坡口加工好的接口與相對應法蘭進行組裝，要求：間隙3~4mm，錯邊在1.5mm以下，氬弧焊打底，全熔透結構。焊接完成后送無損檢測，檢驗標準RTM()%,UI級合格。Assemblethegroovemachinednozzlewiththecorrespondingflangerequirements:thegapis3~4mm,thestaggeredsideislessthan1?5mm,argonarcbottoming,fullpenetrationstructure?Afterwelding,havinganon-destructivetesting,theinspectionstandardsisRT2()class,IIIqualified?支座點焊Supports1?按圖對支座的底板、筋板、立板進行組裝前的檢查。Inaccordancewithdrawings,inspectthesupportsbackplane,ribs,riserbeforeassembling?2?組裝各部件，點固，加支撐件等，焊接。Assembleeverycomponent,solidpoint,supportweldingpieces,andwelding.接管支座與殼體組裝Nozzle1?按先前標出的0°、90°previouslymarked090 1802702?畫出接管、支座，預開孔、180°、270°方位點，延長在殼體上^Baseonthecompasspoints0,extendingtothehcase?,安裝位置，即坐標點oDrawthenozzle,supports,pre-openings,theinstallationlocation,thatis,thecoordinatesofpoints3?檢驗合格后，開孔，然后打上坡口，角度為外坡口30°AfterInspection,opening,thengrooving,theangleoftheoutergrooveis30°4?組對接管與殼體，組裝前，接管必須將補強圈帶上固定好，一起裝配。supportsandshellsupportsandshellandthegapisuniformConnectnozzletoshell,beforeassembling,thenozzlemustfixthereinforcementring,alongwiththeequipment.5?接管與殼體組對間隙為2~3mm,且間隙均勻。hegapofthenozzleandshellis2~3mm,assembling6?焊接完畢后，內(nèi)接管須清根封底，焊縫打磨與母材齊，并倒2X45°圓assembling角Afterwelding,tonozzlerequirestocleartherootofthebackcover,weldandpolisetoensurethebasemetallevel,andthefilletis2x451?封頭：材質確認，標記移植，切割，外協(xié)模壓，回廠檢驗，材質為(),§()oHead:Materialconfirmation,markandtransplante,cutting,outsourcingmolding,backtothefactoryins2.ion,thematerialis(),6()ins2.節(jié)：材質確認a?按排版圖尺寸劃線下料坡口加工。(見具體工藝文件)Shortsection:materialconfirmationa.Drawing,crossedmaterialandgrooveprocessingbythesizeof管箱Tube

boxthelayoutchart?(Seethespecificprocessdocuments)管箱Tube

boxb?卷板，縱縫焊接，校圓，縱縫RTM()%,III級合格，車加工削薄。b.coil,longitudinalseamwelding,regulateround,longitudinalseamRT2(),IIIclassqualified.vehicleprocessingthinning?3.管箱法蘭與短節(jié)組裝3.管箱法蘭與短節(jié)組裝：a.管箱法蘭與短節(jié)組焊，封頭與短節(jié)組焊。langeandshortsectionofthetubeboxassembly:a.tubeboxflangeandashortsectionwelding,theheadandashortsectionwelding。3.管箱法蘭與短節(jié)組裝Ringsewn-raydetection.b.對環(huán)縫進行射線檢測。Ringsewn-raydetection.c?與殼體聯(lián)接，整體劃線，開孔，接管組裝，焊接，確保其整體一致性。Connectionwiththeshell,theoveralldrawing,openings,nozzleassembly,welding,ensurethatitsoverallconsistency.d.樣切割，裝配隔板和焊接，裝配要求：每層隔板端口尺寸必須與固定端管板()槽一致吻合o(d)Removethetubebox,cleartherootofthenozzleoftheflange,drawthebulkheadinstallline,andthencuttingbaseontherealshapeofthehead,assemblingthebulkheadandwelding,assemblyrequirements:eachpartitionportsizemustbeconsistentwiththefixedendofthetubeplate0notch?e.做好熱處理前支撐，防止熱處理使隔板變形。Dogoodsupportbeforeheattreatmenttopreventheattreatmentsothatbulkheaddeformationf?熱處理完畢冷卻后，再加工密封面，保證法蘭密封面與隔板端平面一致。Aftertheheattreatmentandcooling,reprocessingthesealingsurfacetoensuretheflangesealingsurfaceandthebaffle-sideplaneconsistent.

1.封頭:材質確認劃線，標記移植，切割，外協(xié)模壓，回廠檢驗，貼合格標簽。Head:Thematerialconfirmation,markandtransplante,cutting,outsourcingmolded,backtothefactory蓋theoutsidebonnetinspection,pastequalified2.短節(jié):材質確認ualifiedlabel.蓋theoutsidebonnetinspection,pastequalified2.短節(jié):材質確認ualifiedlabel..按圖尺寸劃線，切割，坡口精加工，卷板，焊接，校園Shortsections:materialsconfirmationdrawingbaseonthesizeofthechart,cuttingandfinishingofthegroove,platebending,3.法蘭與封頭，regulateround.組焊：a.將合格封頭和短節(jié)及對應法蘭組焊，錯邊量shortsectionandthecorrespondingb.環(huán)縫焊接，無損檢測。shortsectionandthecorrespondingb.環(huán)縫焊接，無損檢測。lugd.、管箱、浮頭蓋，一并整體熱處理O控制在0?2mm之間oFlangeandthehead,ashortsectionofwelding:(a)weldingthequalifiedhead,aingflange,thestaggervolumeiscontrolledbetween0~2mm.(b)?Thegirthwelding,nondestructivetesting.C.劃線開孔，安裝管嘴和吊耳，焊接 (c)?Drawingandopening,installthenozzleandwiththeoverallheattreatment.浮頭蓋浮頭蓋Floatingbonnet1?拱蓋：材質確認劃線下料，標記移植、切割，外協(xié)模壓、回廠檢驗。Ledge:materialconfirmationDrawingandcutting,marktransplantation,cutting,outsourcingmolding,backtothefactoryinspection.2.浮頭法蘭：在材料檢驗員指定下領取貼有合格標簽的法蘭。 冋oatingheadflange:receivedesignatedqualifiedlabeloftheflangeundertheguidianceofthematerialsinspector?3.將拱蓋與浮頭法蘭組裝，裝配尺寸如圖。Assembleledgeandfloatingheadflange,theassemblysizeshowninFigure。4.焊接完畢后，再按拱蓋的實形放樣、隔板、切割、組裝、焊接，確保隔板裝配尺寸與浮動管板槽尺寸一致。Afterwelding,thethenloftbaseontherealshape,bulkhead,cutting,assembling,welding,ensuresizeofthebulkhead,assemblysizeandfloatingtubenotchgrooveconsistent.5.與前殼體、外頭蓋及管箱一并進爐熱處理。Havingaheattreatmentfurnacetothefront

shell,theoutsidebonnetandthetubebox?].材質確認:<^()x()規(guī)格()°Materialconfirmation:G()X()Specification。.2?單管試壓，試驗壓力為設計壓力的2倍，即（）MPaOpressure,thepressureis2timesthedesignpressure,thatis0MPa.管束tubebundle本鍛件應按JB4726制造與驗收，進行PT檢測，依圖數(shù)控放樣、鉆孔、隔板槽銑加工、倒坡口、拉絲孔攻絲。TheforgingsshallbeJB4726manufacture管束tubebundleandacceptance,PTdetection,accordingtoFigureNCloft,drilling,thebulkhead.slotmilling,chamferthegroove,wiredrawingholetapping?1?材質確認，Q235B,616,數(shù)控放樣切割，去渣，整形，打垛點固焊。Materialconfirmation,Q235,§16,CNCcuttingloft,removetheresidue,shaping,playingstackpointofsolidwelding.

板管束其它輔輔件加工板管束其它輔輔件加工管束組IIJ1NCdrawing,drilling,baffletocarround,marktheordernum3?順序號移植，管孔倒角，折流板打磨，singleblockofsheardeburring?singleblockofsheardeburring?oSequencenumbertransplantation,定距管機加工，拉桿端點過絲，滑道旁路擋板剪切下料、整形Distancetubemachining,rodendpointwire,slidethebypassdampershearcutting,shaping.1?立架：先將固定管板直于工裝平臺架上，依次按圖安裝拉桿、距管、折流板，鎖緊拉桿螺姆o etoolingplatformrack,followedbytheplantoinstalltherod,thedistancetube,baffle,lockingleverscrewfarm2.處理管板孔和管板面上的油污、銹蝕等。Dealingwiththetubesheetholesand

thetubesheetsurfaceoil3,ietubesheetsurfaceoil,corrosion,etc.thetubesheetsurfaceoil3,oTubecross:.穿管：穿管完畢后再上浮動管板，定尺定位，點焊，再回管oTubecross:crossingthetube,theninstallingthefloatingtubesheet,lengthpositioning,spotweldingandthenbacktothetube.4.管頭焊、切管、打磨、浮動端管頭焊，支耳調(diào)試，安裝焊接，管頭兩端熱處理o ubecutting,polishing,floatingsidetubeheadwelding,lugsdebugging,installthewelding,thetubeheadatbothendsofheattreatment5?脹管(見脹管工藝卡)，脹管器按編號到倉庫領用，規(guī)格為^()X() ()。Expander(seetheexpandingtechnologycard),theexpanderbynumbertothewarehouserecipients,specificationsared（）x（）—（）.6.安裝滑道并焊接。Installationofslideandwelding管頭試壓，試驗壓力（）MPa（見試壓工藝）水壓試驗時下列情況為合格：無滲漏，無可見變形，過程中無異常響聲。Tubeheadpressuretest,thetestpressureis0MPa(seePressureTest).hydrostatictest,thefollowingconditionsareeligible:noleakage,novisibledistortion,noabnormalnoiseintheprocess.

1?將管束試壓合格后，裝入殼體中Afterpassingthepressuretest,putthebundleintotheshell.2?安裝兩端管箱，浮頭蓋，裝配時注意墊片的保護，均勻將幾件螺栓緊固。安裝管箱，浮頭蓋時，一定做好隔板槽和隔板銜接口標記，穩(wěn)合統(tǒng)一Install整體試壓overallpressuretestbothendsoftubebox,floatingbonnet,payattentiontotheprotectionofthegasketassembly,boltafewpiecesevenly.Wheninstallingthepipebox,floatingheadcover,besuretodothepartitiongrooveandclapboardconvergencemouthmark,stableco-unified整體試壓overallpressuretest3?螺栓擰緊時，要分步驟，先預緊等分四顆，即0°、90°、180°、270°，再逐步對稱緊固。用力要均勻，最