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目錄HYPERLINKprovisionsofbaking,bakinginstrictaccordancewiththestipulatedtimeandtemperature.焊接時應(yīng)將坡口及其內(nèi)、外側(cè)表面不小于15mm范圍內(nèi)的油垢、鐵銹、毛刺及其它雜物等清除干凈,并不得有裂紋、夾層等缺陷。WeldingwhenGrooveandmedialandlateralsurfaceisnotlessthanthe15mmrangeofoilydirt,rust,Burrandotherincidentals,clean,andnodefectssuchascracks,sandwich.焊接檢驗按照DL5007-92《電力建設(shè)施工及驗收技術(shù)規(guī)范》(火力發(fā)電廠焊接篇)要求,采用1%超聲檢驗,若有不合格應(yīng)對相應(yīng)的地方立即進行返修,返修后重新進行超聲檢驗直至合格。WeldinginspectioninaccordancewithDL5007-92theelectricityconstructionspecificationsforconstructionandacceptance(part1)thermalpowerplantweldingrequirements,with1%ultrasonicexamination,iftheyhavenotqualifiedtodealwiththeappropriateplacetoreworkimmediately,refurbishedultrasoundexaminationuponuntilqualified.煙道安裝Gasductinstallation安裝條件要求Installationrequirement煙道已制作完成,并經(jīng)驗收合格。Gasducthasbeenfabricatedandbeacceptancecheck發(fā)電機組設(shè)備已吊裝就位。Generatorunithasbeeninstalled煙囪已吊裝就位。Chimneyhasbeeninstalled安裝原則Installattionpprinciiple根據(jù)現(xiàn)場設(shè)備到貨貨及安裝情況況,煙道安裝裝方法可采用從從煙囪中間向向兩側(cè)安裝,也也可以從一側(cè)側(cè)向另一側(cè)安安裝;Accordiingtootheon-siiteeqquipmeentarrrivallandinstaallatiionsttatus,,theflueinstaallatiionmeethodcanbbeuseedfroomtheemidddletooinsttalloonbotthsiddesoffthechimnney,oorfroomoneesideetottheottherssideooftheeinsttallattion;組合件組合后應(yīng)對對整體組件的的尺寸進行檢檢查(復(fù)核邊長、對對角線、焊接接焊縫以及變變形數(shù)據(jù)等);Assembliiesarrecommbineddtoddealwwithtthesiizeofftheoveraallcoomponeentchhecks(diaggonallengtth,reeview,,weldding,andttransfformddata,etc.));組合件完成后,應(yīng)應(yīng)清除組合件件內(nèi)部雜物,組組合件應(yīng)有適適當(dāng)?shù)膭偠?,做做好臨時加固固,焊接吊裝裝吊耳等,并并經(jīng)驗收認(rèn)可可;Assemblyyisccompleeted,yousshoulddcleaartheeAsseemblyinterrnalddebriss,theeAsseemblyshoulldhavveapppropriiatesstiffnness,stopggapreeinforrcemennt,weeldingghoisstingetc,andeexperiienceyourauthoorizedd;焊口應(yīng)平整光滑,嚴(yán)嚴(yán)密不漏,焊焊渣、藥皮應(yīng)應(yīng)清除干凈,安安裝焊口應(yīng)預(yù)預(yù)留在便于施施工及安裝的的地方;Assemblyyisccompleeted,yousshoulddcleaartheeAsseemblyinterrnalddebriss,theeAsseemblyshoulldhavveapppropriiatesstiffnness,stopggapreeinforrcemennt,weeldingghoisstingetc,andeexperiienceyourauthoorizedd;縮節(jié)安裝前進行密密封性檢查,風(fēng)風(fēng)門檔板及暖暖風(fēng)器等附件件組合安裝前前必須經(jīng)過嚴(yán)嚴(yán)格檢查;Expansioonjoiintseealbeeforeinstaallatiioninnspecttion,dampeeranddbaffflecoombinaationofaiirheaateraandottheraaccesssoriessmusttgotthrougghstrrictiinspecctionbeforreinsstallaation;;存放件安裝對口時時,應(yīng)從柴油油發(fā)電機組側(cè)側(cè)開始對起;;Placedppiecessofiinstalllatiooncouunterpparts,,thedieseelgenneratoorshoouldsstartfromthesside;為預(yù)防焊接變形,施施焊時按對角角施焊、先分分段焊后全焊焊的原則進行行;Topreveentdeeformaation,,welddingbbydiaagonallweldding,firsttofaall-weeldedsectiionsaafterweldiingoffprinnciplees;所有煙道尺寸均為為內(nèi)壁尺寸;;Allflueedimeensionnsareewallldimeensionns;伸縮節(jié)安裝時應(yīng)按按圖留出足夠夠的膨脹距離離,密封面應(yīng)應(yīng)光滑,墊料料應(yīng)均勻飽滿滿;Expansioonjoiintssshoulddbeiinstalllediinacccordanncewiithfiigureleaviingsuufficiienteexpanssionddistannce,ssealtthesuurfaceeshouuldbeesmoooth,ffulloofuniiform;;煙道與設(shè)備連接時時,嚴(yán)禁強力力對接,以免免機械設(shè)備產(chǎn)產(chǎn)生位移;Flueandddeviicecoonnecttion,nosttrongconneectionntoaavoidmechaanicallequiipmenttgeneeratessdispplacemment;煙囪安裝煙囪安裝工藝流程程如下:
鋼架架安裝(預(yù)留留吊裝口)→→消音器吊裝裝→煙道部件存存放→拼裝焊接→膨脹節(jié)安裝裝→預(yù)留口安裝裝→爬梯欄桿安安裝管道安裝Chimneyinstaalled主要安裝工序MainInsttallattionPrroceduure:管段吊裝:吊裝前前需確定管子子的方位、流流向、管子所所處位置,測測算所吊管段段重量,鋼絲絲繩、吊耳是是否相適應(yīng),吊吊裝管段時應(yīng)應(yīng)注意順序。Pipeliftting;theoorienttationnoftthepiiping,,flowwingaandthhepossitionnoftthepiipingshoulldbeconfiirmedbeforrelifftingpipinng,anndmeaasurethewweighttoftthepiiping,,thesteellropeeandhangeerwheetherornootaddapt,bbutpaayatttentioontotheggradattionwwhentthepiipingliftiing管內(nèi)清潔:在管段段吊裝前應(yīng)清清理管內(nèi)的雜雜物、銹斑、焊焊渣等,并用用壓縮空氣吹吹掃,確保管管內(nèi)干凈、無無雜物。Theinsiddepippecleeaningg:theeinsiideoffpipiingshhouldhavenotssundriies,rrustaandweelddeeposittbefooreliiftinggpipiing,aandussingtthecoompresssedaairpuurgeiit支架配裝:按設(shè)計計圖配齊支吊吊架構(gòu)件并按按圖安裝,位位置應(yīng)準(zhǔn)確、根根部應(yīng)固定牢牢固。Suppportinstaallingg:theelifttingssupporrtfraamecoomponeentswwillbbeinsstalleedacccordinngtotheddrawinng,thhepossitionnmusttbeccorrecctanddtherootshoulldbefixeddfirmmly裝配:管段吊裝就就位后,應(yīng)按按施工圖的設(shè)設(shè)計尺寸進行行核對,如設(shè)設(shè)計有冷拉的的應(yīng)將冷拉值值考慮在內(nèi),確確保尺寸的誤誤差值在允許許范圍內(nèi);閥閥門、節(jié)流孔孔板、流量計計的方向、法法蘭的緊固、伸伸縮節(jié)等的安安裝應(yīng)按相關(guān)關(guān)要求進行施施工。Assembliing:aaftertheppipingghasbeenposittionedd,anddcheccktheedesiigndiimensiionacccordiingtootheconsttructiiondrrawingg.Iftheereisscoldd-drawwnondesiggnanddshouuldthhinkaaboutit,tthenkkeepttheerrrorddataooftheedimeensionnontthealllowabbleexttensioon.TheVaalves,,throottlehholebboard,,flowwmeterr,direectionn,flaangetiightenningaandexxtensiionburrlshoouldbbeinsstalleedacccordinngtotheccorrellativeerequuests焊接:由持有有效效合格證的焊焊工按相關(guān)工工藝要求施焊焊,確保焊口口施工質(zhì)量。Welding:itshouldbeweldedbytheeligibilitywelder,thenassurethequalityofthewelding焊口無損檢查:焊焊接完成后應(yīng)應(yīng)按有關(guān)要求求進行焊縫熱熱處理及無損損檢測。Losslesssexamminingg:theewelddingllineaandloosslesssexaamininngshoouldbbedonneafteerwelldinghasbbeenffinishhedacccordiingtoothecorreelativvereqquestss.管線檢查:管線安安裝后應(yīng)進行行自檢,檢查查管線的支、吊吊架及管道的的坡度等是否否符合圖紙設(shè)設(shè)計要求,做做好有關(guān)記錄錄。Pipelinnecheccking::afteertheepipiinghaasbeeeninsstalleed,weeshouuldchheckiitourrselvees,thhenchhecktthesuupporttoftthepiiping,,lifttingfframeandtthegrradeooftheepipiingwhhetherrornnotacccordiingtoothedesiggnreqquestandwwritethennotesdown壓力試驗:管線自自檢完畢后,經(jīng)經(jīng)確認(rèn)具備壓壓力試驗應(yīng)按按設(shè)計要求進進行壓力試驗驗。Pressuureteest:aaftertheccheckiinghaasbeeenfinnishedd,wecanddotheepresssuretestaccorrdingtothhedessignrrequessts.管線保養(yǎng):壓力試試驗驗收合格格后,應(yīng)按設(shè)設(shè)計要求進行行管線保養(yǎng)工工作。Pipelinnemainntain::wesshouldddotthewoorkoffthepipinngmaiintainnafteertheepresssuretesthasbbeenppassedd管線保溫:管線經(jīng)經(jīng)壓力試驗合合格后方可進進行保溫工序序。Pipelinneheaatpreeservaation::weshhoulddothheworrkofPipinngheattpresservattionaaftertheppressuureteesthaasbeeenpasssed管線驗收:前面有有關(guān)工序完成成后,應(yīng)及時時通知有關(guān)部部門、單位對對系統(tǒng)管線進進行驗收并做做好有關(guān)簽證證記錄。以便便下一道工序序施工。Thepipeelineeaccepptancee:theesysttemoffthepipinngshoouldbbecheeckedandaaccepttedaffteraallofftheworkiingprroceduureshhavebbeenffinishhed.閥門檢驗、研磨、標(biāo)標(biāo)識Examminingg,GrindiinganndMarrkingooftheeValvves電廠閥門數(shù)量多,種種類、規(guī)格多多種多樣,其其在機組運行行中起著重要要作用。為確確保機組設(shè)備備的經(jīng)濟運行行,對閥門實實施施工全過過程控制,建建立閥門檔案案,對其進貨貨、存放、檢檢驗、標(biāo)識、領(lǐng)領(lǐng)用和安裝等等過程進行有有效管理,保保證閥門的追追溯性。同時時在現(xiàn)場設(shè)立立閥門檢驗班班,負(fù)責(zé)閥門門安裝前的檢檢驗、研磨、標(biāo)標(biāo)識工作。Thepowerrstattionhassthesomaanyvaalvesandtthevaalveshavessomannykinndsanndspeccificaation,,andtheyarevveryiimporttantoontheeunittcircculatee.Alloffthevalveesshoouldbbeconntrollledonnthewholeeproccessaandbuuildtthearrchiveestomanaggetheestoccking,,saviing,eexaminning,markiinganndinsstalliingefffectlly.Whilesetinnguptheccheckiingcllassoontheelocaalegrroundandttakecchargeefortheccheckiing,ggrindiinganndmarrkingbeforretheevalvvesinnstallling閥門檢驗ValvvesExaminning外觀檢查;鑄造閥閥門外觀無明明顯制造缺陷陷;填料密封封處的閥桿有有無腐蝕;開開關(guān)是否靈活活,指示是否否正確。Appearannceexxaminiing:ffoundrryvallvesaappearrancehasnnotthhemakkingbbugcllearlyyandthevvalvesssticckofpaddiingseealingghasnotccauterry;thheswiitchwwhetheerornotaagilitty,thhedirrectioonwheetherornootcorrrect密封性試驗:以檢檢查閥座與閥閥芯、閥蓋及及填料室各接接合面的嚴(yán)密密性。閥門嚴(yán)嚴(yán)密性試驗一一般應(yīng)宜1.25倍的銘牌壓壓力水壓進行行。低壓閥門門按規(guī)定比例例抽查進行嚴(yán)嚴(yán)密性試驗,高高壓閥門應(yīng)逐逐個進行嚴(yán)密密性試驗。Sealingtest::thevalveesanddthevalveescorre,thhevallvesccoverandthhestrrictneessofftheentirreconnnectiivesuurfaceeshouuldbeeexammined..Thesttrictnnessttestinngofthevvalvessshouuldbeecarrriedoonthee1.255timeesnammeplattpresssurehydraaulicpresssure.Theloowpreessureevalvvesshhoulddothhestrrictneessteestinggaccoordinggtoprroporttionaandthhehigghpreessureeshouulddoothennstriictnessstesstingonebbyonee.閥門解體、研磨TTheDisasssemblyyandGrindiingofftheValvees閥門解體檢查:用用于設(shè)計溫度度大于或等于于450℃的閥門,合合同另有規(guī)定定除外;安全全閥、節(jié)流閥閥(合同另有規(guī)規(guī)定除外);嚴(yán)密性試試驗不合格的的閥門。閥門門的解體應(yīng)有有專業(yè)熟練技技術(shù)人員進行行操作。解體體時,應(yīng)依照照制造廠規(guī)定定的拆裝順序序解體,解體體各部件分項項做好記錄和和記號,以便便正確復(fù)裝。Thedisaassembblyoffthevalveesexaaminattion:dothheexaamininngforrthevalveesoftheddesignntempperatuurehiigheroreqqualtto450℃andexpecctaddditionnalreggulatiiononnthebargaain,ssafetyyvalvves,tthrotttlevaalves(expeectinggaddiitionaalreguulatioononthebbargaiin);tthedissqualiificattionvaalvesofthhestrrictneessteestingg.Thedisasssembllyofvalveesshoouldbbeopeerateddbytthemaasterss.Thevaalvesshoulldbeknockkeddoownacccordiingtootheknockked-doownorrderwwhichthemmanufaactoryypresscribeed,anndtheenalllofddisasssemblyyparttsshoouldbbemarrked檢查項目:ExaamininngItems檢查外部介質(zhì)流動動方向指示是是否與實際相相符;Examininggtheindiccationnofooutermediuumfloowingdirecctionwhethherorrnotaccorrdingwiththeffact;合金鋼閥門的內(nèi)部部零件應(yīng)進行行光譜復(fù)查,并并應(yīng)將檢查結(jié)結(jié)果做出記錄錄;Theinsiddeacccessorrysoffthealloyysteeelvallvessshouldddosspectrrumreecheckkingaandwrriteddowmtthenootes;閥座與閥殼結(jié)合是是否牢固,有有無松動現(xiàn)象象;Thevalveessuppportcconnecctswitththeevalvveshuullwhhetherrornnotfiirmlyandhhasnootloooseneddphenoomenonn;閥芯與閥座的結(jié)合合面是否吻合合,結(jié)合面有有無缺陷;Theconnnectivvesurrfacebetweeenthhevalvesscoreeandthevvalvesssuppportwwhetheerornotinossculatteanddtheconneectiveesurffacehhasnootdissfigurrementt;閥桿與閥芯的連接接是否靈活可可靠;Thevalveesstiickanndtheevalvvescoorearreconnnectiingwhhetherrornnotneeatlyandrreliabbly;閥桿有無彎曲、腐腐蝕,閥桿與與填料壓蓋互互相配合松緊緊是否合適,以以及閥桿上螺螺紋有無斷絲絲等缺陷;Thevalveesstiickshhouldhavenotbbendaandcaanker,,whilletheecoopperatiionoffthevalveesstiickanndfilllingcoverrwhettheroornottsuittableandttheuppsidewhorlloftthevaalvesstickkshouuldhaavenootdissfigurrementt;閥蓋法蘭面的結(jié)合合情況。Theconneectiveecondditionnoftthevaalvescoverrflanngesuurfacee研磨;閥芯與閥座座的結(jié)合面不不吻合有缺陷陷時,應(yīng)對閥閥芯和閥座進進行研磨修復(fù)復(fù),可采用手手工或閥門研研磨機作業(yè)。Grindingg:thevalveescorreanddthevaalvessuppoortshhouldbereepaireedanddgrinndedwwhenttheyccannootinoosculaate,andweecanusetthehaandcraaftanndtheevalvvesgrrinderr缺陷消除后,應(yīng)依依順序復(fù)裝閥閥門,復(fù)裝后后閥門應(yīng)達到到規(guī)定的質(zhì)量量要求,并做做嚴(yán)密性試驗驗。Thevalvvesshhouldbeinnstallledaggainaaccorddingttotheeordeeraftterthhedissfigurrementthasbeenremovved.Anndtheesevaalvesshoulldreaachthhequaalityrequeestannddothesstricttnesstestiing.閥門標(biāo)識、存放RRemarkkingaandPreserrvatioontheeValvess閥門標(biāo)識:對已檢檢驗合格的閥閥門,根據(jù)現(xiàn)現(xiàn)場標(biāo)識程序序,在閥殼外外表面顯眼地地方做出標(biāo)記記,并給每一一閥門臨時掛掛牌,以保證證閥門正確領(lǐng)領(lǐng)用。Remarkinngtheevalvess:theeeliggibiliityvalvessshouuldbeeremaarkedonthhestaarepllaceooftheevalvesshulllsurfface,andeeveryvalveewilllbehhangeddthetempoorarillytheenasssureuusingofthhevalvesscorrrectlyy閥門存放:根據(jù)閥閥門檢驗狀態(tài)態(tài)分區(qū)存放管管理,分待檢檢區(qū)、檢驗區(qū)區(qū)(含嚴(yán)密性試試驗、解體檢檢查、光譜分分析、研磨等等)、已檢驗合合格區(qū)、不合合格區(qū),有利利于閥門管理理。Presservattiontthevalvess:theevalvveswiillbeepresserveddinddifferrentaareasaccorrdingtothheexaamininngstaate,tthearreasccontaiinedfforchheckaarea,checkkingaarea((incluudingstricctnessstestiing,diisasseemblyexamiining,,specctrosccopicanalyysisaandgrrindinngetcc.),eeligibbilityyareaaanddiisquallificaationarea..系統(tǒng)管道壓力試驗驗ThePressuureTestooftheeSystemmPipingg管線安裝完畢后,應(yīng)應(yīng)按圖紙設(shè)計計要求對系統(tǒng)統(tǒng)管道進行強強度試驗及嚴(yán)嚴(yán)密性試驗,以以檢查管子、焊焊縫、法蘭接接口等的安裝裝質(zhì)量。確保保系統(tǒng)管線調(diào)調(diào)試、分布試試運行正常進進行。Thesysttempiipingshoullddoiintenssionttestaandsttrictnnessttestaaccorddingttotheerequuestooftheedrawwingaaftertheppipingglineehasbeeninstaalled,,andexamiinethheinsstallaationqualiityoffthepipe,,welddingllineaandthhejoiintofftheflangge系統(tǒng)管線進行強度度試驗、嚴(yán)密密性試驗前條條件驗收Acceptannceoftheqqualifficatiionbeeforetheiintenssionttestaandsttrictnnessttest:管線安裝完畢,并并進行自檢,滿滿足圖紙設(shè)計計要求。Self-cheeckafftertthepiipinglinehasbbeeniinstallled焊接、熱處理已完完成,并經(jīng)檢檢驗合格。Thewelddingaandheeattrreatmeenthaavebeeenfiinisheedanddpasssthecheckking試驗技術(shù)、安全和和組織措施已已審核并作交交底。Testingtechnnologyy,saffetyaandorrganizzationnalmeeasureehaveebeennlookkedthhroughhandtelltheirrreallinteentionns試驗用壓力表已檢檢驗、校準(zhǔn)合合格,其精度度不低于1.5級,表的滿滿刻度值應(yīng)為為被測最大壓壓力的1.5~2倍,表不得得少于兩塊。Thepresssuregaugeefortestiinghaasbeeenexaamineddandadjussted,iitsprrecisiioncaannottundeertheesteppof11.5,tthefuulloffscalledattashoouldbbebigggertthan11.5-22timeestheebigggestppressuureanndtheegauggesshhouldbemoorethhan2..連接試驗系統(tǒng)管線線的臨時管、試試壓泵依試驗驗技術(shù)規(guī)定布布置。Connectiingteemporaarypiipeoffthetestiingsyystemandddispossingttheteestinggpresssurepumpaccorrdingtothhetecchnoloogyprrescriibing被試系統(tǒng)管線的隔隔離、封堵等等依技術(shù)要求求完成并落實實檢查。Theisollationnandsealiingoffthetesteedsysstemppipingglineeshouuldbeefiniishedaccorrdingtothhereqquest管道壓力試驗ThhePipinggPressuureTest系統(tǒng)管道壓力試驗驗宜采用水壓壓試驗,其水水質(zhì)應(yīng)潔凈,對對水質(zhì)有要求求的應(yīng)按設(shè)計計規(guī)定執(zhí)行。充充水時,應(yīng)先先將系統(tǒng)管內(nèi)內(nèi)的空氣排盡盡后逐漸緩慢慢升壓,達到到系統(tǒng)管道工工作壓力時,如如未發(fā)現(xiàn)異常?;蛐孤?,則則繼續(xù)升到強強度試驗壓力力(不小于設(shè)計計壓力的1.25倍),穩(wěn)壓10min,,然后降至設(shè)設(shè)計壓力進行行嚴(yán)密性試驗驗,對管線上上所有接頭、焊焊縫、和連接接處進行全面面檢查。水壓壓試驗合格后后應(yīng)填寫系統(tǒng)統(tǒng)管線水壓記記錄表。對不不允許水壓試試驗的系統(tǒng)管管線則采用氣氣壓或100%無損檢測。Thepipiingprressurretesstshooulduusethhehyddrauliicpreessureetestt.Thewaterrshouuldclleanaandcllear,andtthereequesttofwwaterqualiityshhouldbecaarrieddaccoordinggtotthedeesignpresccribinng.Theaiirintheiinsideeofssystemmpipiingshhouldbeexxpelleedandraiseethepresssuresslowlyywhennfilllingtthewaater.UUntiltheppressuurereeachttotheeworkkpresssureofthhesysstemppipingg,andraiseethepresssurettotheeinteensionntesttpresssurecontiinuly(cannotllowerthan1.25timessofddesignnpresssure),stteadytheppressuure100min,tthenllowdoowntoothedesiggnpreessureeandbeginntosstricttnesstest..Thenthejjoint,,welddingllineaandthheconnnectiingonnthepipinnglinneshoouldbbeexaamineddwhollly.Iffitppasstthehyydraullicprressurretesst,weeshouuldwrriteddowntthenootes.Somepipinngcannnotbeallloweddthehydraaulicpresssurettest,andtthenwwecannusetheaairprressurreandd100%%lossslesscheckking.潤滑油系統(tǒng)安裝及及沖洗油管道的安裝InnstalllationnofOOil-piiping安裝前,對潤滑油油管道內(nèi)部進進行酸洗,內(nèi)內(nèi)放袋裝干燥燥劑,并封口口保存,做好好記錄。Thheinnnerofflubeepipeeshouuldbeedidacidcleanningbbeforeeinsttallattion,thenputssomebbagsoofdessiccanntinit.Attthesametime,,theiinnerofluubepiipeshhouldbeseealedandssaved,,andwrritetthenootesddown.管道法蘭應(yīng)保證與與管段的垂直直度,可采取取法蘭先與短短管焊接,再再復(fù)核其垂直直度,必要時時車平法蘭結(jié)結(jié)合面的方法法來控制。法法蘭連接處應(yīng)應(yīng)裝好密封墊墊,對稱均勻勻上緊螺栓,如如有力矩要求求,應(yīng)保證力力矩,質(zhì)檢工工程師應(yīng)100%檢查,以防防油循環(huán)沖洗洗過程中泄漏漏。Thepipeflanggesshhouldbekeeptthheverrticalldegrreecoonnecttedwiiththhepippeseggmentss.Thennweccanussethiismetthod:thefflangeesshoouldbbesolldereddwithhtheshorttpipeefirsstly,thenrecheeckthheirvverticcaldeegree,,itneccessarrytolatheethejointtsurffaceooftheeflanngecoontrollit.Thefflangeejoinntshoouldiinstallltheeseallingccushioonandtiightenntheboltsssymmmetriccally..Ifthhereiistheerequuestooftheemomeent,tthequualityyengiineershoulldexaamine100%ofthhisprrocesss,anddprevventinngtheeleakkonttheoiilcirrclepprocesss.管道支架安裝應(yīng)牢牢固,以防在在運行過程中中振動大,使使焊口出現(xiàn)問問題,造成潤潤滑油泄漏。Thepipeesuppportsshoulddbeiinstallledffirmlyyandpreveentthhelibbratioonontherrunninngproocess..Ifsoolarggelibbratioonapppears;;thejointtopenningwwillaappearrprobblemaandmaakethhelubbeleaaking潤滑油管道采取氬氬弧焊打底,電電焊蓋面的焊焊接方法(小口徑管全全氬焊),以保證管管道焊縫的嚴(yán)嚴(yán)密性和管道道內(nèi)壁的清潔潔度。Thelubeepipeeshouuldbeerendderedbythhearggonarrcwellding,,andadopttthemethoodoftheeelectrricalweldiingcooverinng(smmall-bboreppipeswillbeaddopteddfulllargoonarccweldding),,thennkeeppingtthesttrictnnessoofpippewelldingssandtheclleanliinessofthheinssidewwalloofpippes.油管道焊口必須由由合格的中、高高壓焊工施焊焊。Thejoinntofoil-ppi
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