CSPCNANHAIPETROCHEMICALSPROJECTCSPC南海石化項目FABRICATIONANDERECTIONOFTANKWORKINSTRUCTION儲罐制作及安裝作業(yè)指導(dǎo)書WORKINGINSTRUCTION：WI-8710-8100-2006SEPCOElectricalPowerConstructionCorporation山東電力基本建設(shè)總公司REVDATEREASONFORISSUEBYCHK’DREVIEWAPPRA22JUL2003IssueforReviewandapprovalWFLHJCHYDPS0024AUG2003IssueforimplementationWFLHJCHYDPS0112SEP2003IssueforimplementationWFLHJCHYDPS022NOV2003IssueforimplementationWFGHMZXSDPRevisionInformation修改記錄Rev版次SectionNo.章節(jié)號BSFreviewrecordNo.BSF審查單序號Descriptionofmainchanges主要修改內(nèi)容025SectionsgAttachmentBSEPCO2QUALITYSYSTEMORGANIZATIONCHARTFORFABRICATIONANDERECTIONOFTANK”增加了“SEPCO2儲罐制作與安裝的質(zhì)量管理組織結(jié)構(gòu)”3.1Sepco’sworkingscopedon’tconflictwithsepco2’s;BecauseweadoptthreegradecheckingbeforeacceptanceSepco’s工作范圍與Sepco2’s不沖突，因為我們采用的是三級驗收。55Addsafety,welding&surveyprocedures,issuedbySEPCO增加了SEPCO安全、焊接和焊接程序AttachmentC6Add”LAYOUTJOBSITEOFSTORAGETANK

”增加了“儲罐施工現(xiàn)場布置圖”9.3.77Add”cleaningoil,greaseandcontaminantontheplatesurfacewithfreshwaterbeforeblasting.”增加了“在拋丸前用清水清潔鋼板表面的油，油脂及污染物?！?.3.88Add”SurfacecleannessandsurfaceprofileshouldberelativelyinspectedwithphotointheGB8923”rustinessandantirustgradeofsteelplatesurfacebeforeblasting”增加了“表面清潔度和輪廓根據(jù)GB8923《涂裝前鋼材表面腐蝕等級和除銹等級》所規(guī)定的圖片進行對照觀察檢查”9TheDFTiscompliedwithDEPrequiredsystem!!!Thepaintsystemnumberis15inthelatestrevisionsofthecoatingtheDEPandtheSP,butstoragetank’ssystemnumberis1.210Delete”andantisepsis”刪除了“andantisepsis”AttachmentD111213141516Add”JSA”10.2.1010.3.2310.4.17Add”Weldingdetailsee12section.”增加了“焊接細節(jié)見12節(jié)”10.2.7Add“Onlyweldersqualifiedtoweldfullpenetrationfromonemaymakeweldedonesidefullpenetration.”增加了“只有單面焊透合格的焊工才能進行單面焊透?！?0.2.8Add”ElectrodesandweldingparametersshallbethesameasrequiredbytheappropriateWPSandPQRs.”增加了“焊條與焊接參數(shù)應(yīng)該與WPS和PQRs的要求一致?！?2.1.1Add“ASMEⅨ”12.1.2Add“AlistofqualifiedweldersshallbesubmittedtoPMCforapprovalbeforetheconstructionoftank.”增加了“儲罐施工前，合格的焊工應(yīng)報PMC批準?！?2.4.2.7Reinforcingpadsortestinghavementionedin12.2section.加強板試驗已經(jīng)在124.2.7節(jié)中說明。11.4Add”Allnozzlesrequiredtobefullpenetrationwelds.”增加了“所有的管口要求全熔透焊接?！?6.3Add“ErectioninaccordancewithGB128-90orapplicablecontractrequiredcode.Manydifferentrequirementssoshouldusethemoststrictcode.”增加了“安裝按照GB129-8-90或可適用的合同規(guī)定的規(guī)范，許多不同的要求被用時采用最嚴格的標準?！?4.8Add”withtheodolite”增加了“用經(jīng)緯儀”0215.8Delete“Theunpaintedpartsshallbeprotectedfromrusting.”刪除了“并對未涂漆部位進行防銹保護。”Add”Theunpaintedpartsshallbegrindedaftertheweldjointhasbeencompleted.”增加了“未刷漆部分在焊接完后用磨光機進行打磨處理”16.1Add”PR-8710-8100-0056Rev.01QualityInspection”增加了“PR-8710-8100-0056Rev.01《質(zhì)量驗收》”AttachmentEAdd“WeldingProcedureSheet”增加了“焊接工藝評定“10.3.9Add”Whentheeachlayershellplateinstalls,movedshellplateofover2mshouldnotbeassembledandweldedinorderthatpersonnelgoawayandcomeinstartconstructionprocess.Afterthetankispromotedabove600mm,Expansionringofthetanksupportedwithawood,thenthemovedshellshallbeassembledandweild.,onebyoneinorderthetypeprocess.”增加了“在每層壁板安裝時留一張2m以上的壁板不組對焊接以便在施工過程中人員出入，等儲罐被提升600mm以上時，脹圈用道木支撐，然后組對此壁板并進行焊接，依次類推。”TheWIisWI-8710-8100-0013cREV01’supgrade.此作業(yè)指導(dǎo)書是WI-8710-8100-0013cREV01的升版.目錄TABLEOFCONTENTS1PURPOSE目的2SCOPE范圍3RESPONSIBILITIES職責(zé)4PROJECTSUMMARIZATION工程概述5WRITINGREFERENCE編制依據(jù)6PRIMARYCONSTRUCTIONSCHEME主要施工方案7PROCESSFLOW工藝流程8ERECTIONPROCESSREQUIREMENT安裝工序要求9TANKPREFABRICATION罐體預(yù)制10TANKERECTION罐體組裝11ACCESSORYINSTALLATION附件安裝12WELDANDWELDINGLINEINSPECTION焊接及焊縫檢驗13GEOMETRICDIMENSIONANDDIMENSIOMNINSPECTIONOFTANKS罐體的幾何尺寸和尺寸檢驗14WATERTESTING充水試驗15ANTICORROSIVEPAINTING防腐涂漆16CONSTRUCTIONACCEPTANCE工程驗收17LABORFORCEPLAN勞動力計劃18EQUIPMENTFORCONSTRUCTION施工機具使用計劃ATTACHMENTA:CALCULATIONONHOISTINGVERTICALPOST附錄A：提升立柱計算說明書ATTACHMENTB:SEPCO2QUALITYSYSTEMORGANIZATIONCHARTFORFABRICATIONANDERECTIONOFTANK附錄BSEPCO2儲罐制作與安裝的質(zhì)量管理組織結(jié)構(gòu)ATTACHMENTC:LAYOUTJOBSITEOFSTORAGETANK附錄C：儲罐施工現(xiàn)場布置圖ATTACHMENTD:JOBSAFETYANALYSIS附錄D：工作安全分析ATTACHMENTE:WELDINGPROCEDURESHEET附錄E焊接工藝評定1.PURPOSE目的Toprovidespecificationandrequirementforoil/watertankfabricationinCSPCNanhaiPetrochemicalsProject,Steam&PowerPlantProject.Thisinstructioncanactasadirectioninmakinganderectingtankstoensuretheprojecttocompleteontimeandwithgoodquality.在于制訂南海石化汽電聯(lián)產(chǎn)項目油罐、水箱制作的規(guī)范及要求，作為以后制作及安裝的指導(dǎo)，確保工程高質(zhì)量的按期完工。SCOPE范圍Thisinstructioncompliestothefabricationanderectionofoil/watertanksinCSPCNanhaiPetrochemicalsProject,Steam&PowerPlantProject(exceptingforthermalinsulationandantisepsis).本指導(dǎo)書適用于南海石化汽電聯(lián)產(chǎn)項目油罐、水箱的制作及安裝（不包括保溫）。RESPONSIBILITIES職責(zé)3.1SEPCO2isresponsibleforthefabrication,erection,inspectionandtestingofoil/watertanks.山東電建二公司負責(zé)油罐、水箱的制作及安裝、檢驗和試驗。3.2SEPCO1isresponsiblefortheexcavationfabrication,inspectionandtestingoftanksfoundation.山東電建一公司負責(zé)油罐、水箱基礎(chǔ)開挖、制作、檢驗和試驗。3.3SEPCOisresponsiblefortheinterfacecoordinationandqualitycheckandacceptance.基建總公司負責(zé)接口協(xié)調(diào)和質(zhì)量驗收。PROJECTSUMMARIZATION工程概述4.1PROJECTBRIEFINTRODUCTION工程簡介8oiltanks,2desaltingtanksand2coagulatingtanksneedtobeerectedonsiteforCSPCNanhaiPetrochemicalsSteam&PowerProject.Themaximumcapacityoftanksis8350m3.Watertanksarenormalpressurecontainers,whichstructuralformisverticalcylindersteelweldeddomerooftank.GradeofsurfacefinishisSa.Insideshellneedanepoxylining,whiletheoutsideistobepaintedforprotection;Oiltanksarelowpressurecontainers,whichstructuralformisverticalcylindersteelweldeddomerooftank.GradeofsurfacefinishisSa.Insideshellrequiresafirstcoat,whileoutsiderequiresthermalinsulationafterprimer,inter-coatandtopcoat.南海石化汽電聯(lián)產(chǎn)項目現(xiàn)場安裝有儲油罐8座、除鹽水箱2座、凝結(jié)水箱2座，罐的最大容積為8350m3，其中水箱為常壓容器，結(jié)構(gòu)形式為立式圓筒鋼制焊接儲罐，頂部為拱頂，除銹等級為Sa，罐壁內(nèi)側(cè)為環(huán)氧樹脂襯里，外側(cè)涂漆防護；油罐為低壓容器，結(jié)構(gòu)型式為立式圓筒鋼制焊接儲罐，頂部為拱頂，除銹等級為Sa，罐壁內(nèi)側(cè)為一遍底漆，外側(cè)涂底、中、面漆后保溫防護。4.2PROJECTITEMS工程項目PROJECTITEMSSCHEDULE工程項目一覽表序號ITEM名稱NAME代號CODE規(guī)格SIZE（直徑*高度）DIA.*HEIGHT容積CUBAGE（m3）重量WEIGHT（kg）數(shù)量QUA罐頂形式ROOFFORM1儲油罐OILTANKT8691φ20*206283126，5001帶肋拱頂DOMEWITHRIB2儲油罐OILTANKT8682φ22.5*218350192，0001帶肋拱頂DOMEWITHRIB3儲油罐OILTANKT8681φ22.5*218350192，0001帶肋拱頂DOMEWITHRIB4儲油罐OILTANKT8683φ22.5*218350192，0001帶肋拱頂DOMEWITHRIB5儲油罐OILTANKT8662φ20*206283158，0001帶肋拱頂DOMEWITHRIB6儲油罐OILTANKT8661φ20*206283158，0001帶肋拱頂DOMEWITHRIB7儲油罐OILTANKT8671φ17.5*14336770，0001帶肋拱頂DOMEWITHRIB8儲油罐OILTANKT8651φ10*13102131，7001帶肋拱頂DOMEWITHRIB9除鹽水箱DESALTINGTANKT8441Aφ21.2*12.24084113，0001帶肋拱頂DOMEWITHRIB10除鹽水箱DESALTINGTANKT8441Bφ21.2*12.24084113，0001帶肋拱頂DOMEWITHRIB11凝結(jié)水箱COAGULATINGTANKT8471φ16*12.2230969，0001帶肋拱頂DOMEWITHRIB12凝結(jié)水箱COAGULATINGTANKT8481φ22.7*14.65655137，0001帶肋拱頂DOMEWITHRIB4.3Buttjoint(fullymelt)willbeadoptedforannularplatesandlapjointforbottomcenterplates;buttjoint(weldinglinefullymelt)beadoptedforshellplates,andlapjointfortankroof,buttjointforeveryplatepart.Roofformisdomeroofwithrib.罐底板邊緣板采用對接接頭（全部熔透），中幅板采取搭接接頭；罐壁板采用對接接頭（全熔透焊縫）；罐頂板采取搭接接頭,每一等分板間采用對接接頭。罐頂?shù)慕Y(jié)構(gòu)形式全為帶肋拱頂。4.4Thereeling,sandblasting,paintingofsteelplatesshallbefinishedinworkshop.Erection,includingprocessofassembly,weld,inspection,testing,thermalinsulationandantisepsis,willbedoneatjobsiteerectinglocation.鋼板的卷制、噴砂、涂漆在車間完成。儲罐在現(xiàn)場的安裝位置進行安裝，現(xiàn)場安裝包括組對、焊接、檢驗、試驗、保溫、防腐等工序。5.編制依據(jù)WRITINGREFERENCEConstructiondrawingsandrelateddocument施工圖紙及相關(guān)文件GBJ128-90Construction,CheckandAcceptanceSpecificationofVerticalCylinderSteelWeldedOilTankGBJ128-90《立式圓筒形鋼制焊接油罐施工和驗收規(guī)范》DEP34.51.01.31-CSPCStandardVerticalTanks–Selection,DesignandFabricationDEP34.51.01.31-CSPC《標準立式油罐-選擇、設(shè)計和制作》DEP30.48.00.31-CSPCPaintingandCoatingofNewEquipmentDEP30.48.00.31-CSPC《新施工項目的涂漆和覆層》DEP64.51.01.31-CSPCStandardVerticalTanks—FieldErectionandTestingDEP64.51.01.31-CSPC《標準立式油罐-安裝和實驗》DEP80.47.10.31-CSPCSystem&FacilityFireProtectionDEP80.47.10.31-CSPC《系統(tǒng)和設(shè)備的防火保護》DEP30.48.70.30-CSPCGlassLinerofFacilityandPipingDEP30.48.70.30-CSP《設(shè)備和管道的玻璃襯里》ConstructionQualityInspectionPlanQC-8420-8600-0001施工質(zhì)量檢驗計劃QC-8420-8600-0001g．熱保溫6.PRIMARYCONSTRUCTIONSCHEME主要施工方案6.1Constructionscheme:Accordingtotheconstructioncharacteristicsandfieldenvironmentalrequirement,shellplatesandbracesofoil/watertanksshallbeprefabricatedintheplantoffsitebeforetheirassembly(i.e.bending,derustingbysandblastingandpaintingofshellplatesandbraces.)first,thenbetransportedtojobsiteforassembly.Reverseassemblymethodisadopted,thatistosay,tankwillbeassembledfromroofdownwardtobottom.Theerectionsequenceis:tankbottom,roofsheeting,tank,facilities,facilitiesoutsidethetank,andatlastrailingplatform.Theassemblyshallbedonewith25Thydraulictrackcrane,andchainfallshallbeadoptedforerection.Scaffoldsshallbebuiltbothinsideandoutsideoftankforerectionprocess.施工方案：根據(jù)油罐、水箱的施工特點和現(xiàn)場環(huán)保需要，此油罐、水箱的壁板及支撐組裝前，在安裝現(xiàn)場外的工廠內(nèi)先進行預(yù)制（即壁板及支撐的折彎、噴鋼砂除銹及油漆），再運輸?shù)桨惭b現(xiàn)場進行組裝，組裝時采用倒裝法，也就是自罐頂?shù)降装宓难b配、制造順序；安裝順序為：罐底、頂板、筒體、設(shè)備、外殼外部設(shè)備、欄桿平臺；組裝采用25t汽車吊，安裝采用倒鏈提升；安裝時罐內(nèi)外搭設(shè)腳手架.6.2Erectionplatform:Bottomplatesofoil/watertanksactastemporaryworkplatformforshellplatesassembly.組裝場地：油罐及水箱底板作為臨時平臺，用作壁板組裝。7.PROCESSFLOW工藝流程Processflowchartofoil-tankfabricationanderection:油罐制作安裝工藝流程圖：Workshopprefabricationprocessflowchart:車間預(yù)制的工藝流程圖：Drawingsjointcheckup--------Receivedmaterialinspection--------Constructiontechnologydeliver----------layingoffandgrooveprocess---------Reeling---------SandBlasting----------PaintingandNumbering--------Transportedtojobsite圖紙會審-------進廠檢驗-------施工技術(shù)交底------下料及坡口加工--------卷板------噴砂-------涂漆并編號-------運輸?shù)浆F(xiàn)場Jobsiteerectionprocessflowchart:現(xiàn)場安裝流程圖：constructionpreparation----acceptanceoffoundation------layingbottomplates-----weldofbottomcenterplates-----assemblyandweldoftopplate-----assemblyandweldofcurbangle----assemblyoftemporarycolumnfordomeroof----assemblyandweldofroofplates----assemblyandweldofribsforroof-----erectionofhoistingverticalcolumn-----hoistingshellplates----assemblyandweldofthesubsequentcourse-----finishedweldinspection-----filletweldshellplatestobottomplates-----weldshellplatestoannularplates----vacuumsideleakingofseamsonthebottomplates----acceptanceofgeometricdimension-----erectionoffittings-----erectionofstairplatform-----fillingwatertesting----anticorrosionandthermalinsulation----acceptanceofthefinishedconstruction施工準備-----基礎(chǔ)驗收-----鋪設(shè)底板-----中幅板焊接-----最上層壁板裝配、焊接------包邊角鋼組對、焊接-----臨時拱頂支柱組裝-----罐頂板裝配、焊接-----罐頂肋板裝配、焊接-----提升立柱安裝------提升壁板------裝配、焊接下一層壁板-----依次提升組焊其他各層壁板------罐壁焊縫檢驗------最下層壁板和底板的角焊縫焊接------中幅板與邊緣板焊接-----底板焊縫真空測漏-----罐體幾何尺寸驗收-----附件安裝-----梯子平臺安裝-----充水試驗-----防腐、保溫-----竣工驗收ERECTIINGPROCESSREQUIREMENT安裝工序要求8.1CONSTRUCTIONPREPARATION施工準備8.1.1Drawingsshallbecheckedupbyrelatedpersonnel.Particularattentionshallbepaidtocheckingthegeneraldimensionandjunctionsdimensionoftanks.Learntheusageandbasicworkingprincipleofoil/watertank.Makecleartechnicalstandard&requirementandprimaryconstructionworkloadaccordingtotheacceptancespecification.Intheeventanymisunderstandingormistakeonthedrawingsisdiscovered,theproblemshallbereportedandsolvedbeforeconstruction.熟悉圖紙，組織有關(guān)人員進行圖紙會審。重點審核油罐及水箱的整體尺寸及連接點尺寸，弄清油罐及水箱用途及基本工作原理，并且對照驗收規(guī)范，弄清技術(shù)標準及要求和主要工程量，圖紙設(shè)計不清或錯誤，應(yīng)及時反映，落實清楚后方可施工。8.1.2Organizetherelatederectingpersonneltoprovidetechnologydelivery.Projectsummarization,timelimit,primaryconstructionworkload,primarytechnologyrequirements,constructionspecificationsandstandards,constructionprocessandmethods,theproblemstowhichparticularattentionshallbepaid,keypointsofthedrawingsandqualitycontrollingpointandsafetyprecautionsshallbeinterpreted.組織有關(guān)安裝人員進行技術(shù)交底。交代工程概況、施工工期及主要工程量；交代主要技術(shù)要求和執(zhí)行的規(guī)程規(guī)范及標準；交代施工順序及施工方法，指出應(yīng)注意的問題和有關(guān)處理方法；指出圖紙中的關(guān)鍵之處，指出質(zhì)量控制點；交代安全注意事項等。8.1.3Compiletoolingmaterialplanandstarttostock.編制工裝材料計劃并備料8.1.4Constructionequipment&toolsandfieldpreparation:施工機具、施工場地準備：Receivedliftingfacilityinspectionbeforeenteringsite.起重設(shè)備進廠檢查。Toolsroom,oxygenethyneroomandelectricweldmachineswitchboarddistribution.現(xiàn)場工具室、氧氣乙炔房及電焊機配電盤布置。ManualManualelectricweldmachineandotherfacilitiesarrangementpreparation.電焊機等其它設(shè)備工器具準備布置。Depositarydistributionformaterials,wastesandfinishedproducts.原材料、廢料及成品堆放場地布置。Employeetemporaryrestroom,electrodesroomanddryingroomdistribution.職工臨時休息室、焊條庫及烘干室布置。Others.其它8.1.5Preparationfortools,instruments,auxiliaryfacilitiesandsafetyprotectingequipment:Toolsandinstrumentsofalltypesshallcomplywiththeconstruction&safetyrequirementandgaugesshallbeinspectedforacceptance.Allofthesafetyfacilitiesandequipmentshallcomplywithappropriatespecifications.工器具量具輔助設(shè)施安全防護用品等的準備：各種工器具符合施工及安全要求；各種量具經(jīng)檢驗合格；安全設(shè)施及安全用品符合安全規(guī)定。8.2Designandfabricationoftoolingsystem工裝設(shè)計制作Designandfabricationofspecialequipmentforhoistingtankwalls筒壁提升專用工具設(shè)計制作。Designandfabricationofspecialsupportforshellplatesarrangement壁板放置專用支架設(shè)計制作。Designandfabricationofspecialtoolingsystemforsettlingtankwallsreinforcingringsintoplace筒壁加強環(huán)就位專用工裝設(shè)計制作。8.3Materialsinspectionbeforeenteringthefactory材料入場檢驗8.3.1Carbonsteelplatesandsectionsshallconformtotheacceptedstandardsofthecountriesinwhichthetanksaretobefabricatedorthesteelistoberolled.碳鋼板和附件應(yīng)符合儲罐的制作和鋼板卷制的國家驗收標準。8.3.2Thesteelshallcontainnotmorethan0.23%carbon,0.05%sulphurand0.05%phosphorus.鋼材中各成分含量C≤0.23%，S≤0.05%，P≤0.05%。8.3.3Thesteelshallhaveaguaranteedminimumultimatetensilestrengthofatleast363N/mm2andamaximumultimatetensilestrengthofnotmorethan510N/mm2.Thesteelshallhaveaguaranteedyieldstrengthofatleast206N/mm2.Thesteelshallhaveanelongationnotlessthan22%.鋼材應(yīng)保證最小極限抗拉強度至少為363N/mm2且最大極限抗拉強度不超過510N/mm2，屈服強度至少為206N/mm2，不小于22%的延展性。8.3.4Tankshellplatesandbottomannularplatesshalldisplayadequatenotchtoughness,asshownbelow:儲罐的殼體板和底部環(huán)型板應(yīng)有足夠的切口韌性，表示如下：Platethickness板厚（mm）Ultimatetensilestrength極限抗拉強度（N/mm2）MinimumCharpy-Vvalue(J)最小卻貝V型切口值（J）Testtemperature(°C)實驗溫度（℃）≤12.5IMPACTTESTSNOTREQUIRED無要求沖擊實驗>12.5≤43027+20>12.5>43041-58.3.5Mechanicaltesting機械測試8.3.5.1Mechanicaltestingisnotrequiredforroofandbottomplatesforwhichthethicknessisdeterminedforpracticalreasonsandnotbystressconsiderations.由于頂部和底部板的厚度由實踐理論確定且不考慮壓力，因此力學(xué)實驗對頂部和底部板不要求。8.3.5.2Forshellplatesandforthebottomannularplates,testsshallbemadeonspecimenstakenfromeachplatethicknesswithafrequencyofonetestper25000kgofsteelorpartthereof.對于殼體板和底部環(huán)型板，用每25000kg的鋼材做一個實驗的頻率對每一個厚度的板進行抽樣實驗。8.3.6Millcertificatesshallshowallthepropertiesofmaterialsguaranteedbyitsspecificationandanyadditionalrequirements.工廠證明書表明了通過規(guī)范及一些附加要求而保證的材料的所有特性。8.3.7StructuralboltsshallcomplywithGB123,grade8.8.結(jié)構(gòu)螺栓遵從GB123，8.8級罐體預(yù)制TANKPREFABRICATION9.1TEMPLETPREFABRICATION樣板預(yù)制9.1.1Thelengthofarctempletshallbemorethan2.5m.弧形樣板長度應(yīng)大于2.5m。9.1.2Onestraighttempletshallbeusedtotesttheconvexandconcavecurvatureoftankbottomandwall,withlengthnolessthan1m.直線樣板一個：用于檢查罐底和罐壁的凸凹度，其長度不小于1米。9.1.3Templetshallbemadeofδ=0.75mmgalvanizedsheetiron.樣板用δ=0.75mm鍍鋅鐵皮制成。9.2TANKSBOTTOMPLATEPREFABRICATION罐底板預(yù)制9.2.1Alignmentdrawingsshallbemadeaccordingtothedesignrequirementsandactualspecificationsofsteelplatesbeforebottomplateprefabrication.Diameteroftheplateshouldbeamplifiedby0.1%~0.2%ofdesigneddiameterinordertocompensateweldshrinkofbottomplateinordertocompensateweldshrinkofbottomplate.(Conecurvatureofbottomplatehasbeentakenintoconsideration).底板預(yù)制前應(yīng)根據(jù)設(shè)計要求及實際鋼板規(guī)格繪制排板圖，排板直徑宜按設(shè)計直徑放大0.1%~0.2%,以補償?shù)装宓暮附邮湛s（此已考慮了底板的錐度）。9.2.2Accordingtothealignmentdrawings,asemiautomaticcuttingmachineshallbeusedforcuttingplates.Thecuttingmachinecanalsobeusedtomakegrooveinarcannularplates.按照排版圖，用半自動切割機進行下料，對于弓形邊緣板應(yīng)用半自動切割機打坡口。9.2.3Afterfinishedcuttingplates,hoistthebottomplateontoanabrasiveabrasiveconveyerbeltforremovingrust.將下好的底板，吊至拋丸機傳送帶上，進入拋丸機拋丸除銹。9.2.4Blowawaydustandironpowderonsteelplatesafterbeingprocessedinanabrasiveabrasivebyusinganair-compressor.利用空壓機壓力風(fēng)，吹凈拋丸后鋼板上的塵土及鐵粉。9.2.5Tankbottomshallbespraypaintedwithzinc-richepoxyprimerbyusingtheairlesssprayequipment.Dryfilmthicknessshallbe25um.利用無氣噴吐機對罐底噴底漆，底漆為環(huán)氧富鋅底漆，干膜厚度為25um。9.2.6

CheckofdryfilmthicknessshallcomplywithGB50205-2001CODEFORACCEPTANCEOFCONSTRUCTIONQUALITYOFSTEELSTRUCTURES.Dryfilmthicknessshallbecheckedwithdryfilmthicknessmeter.Eachcomponentforexamining5places,everywhereis3averagevalueofdryfilmthicknessformutuallybeingapartfrom50mmmeasuringpoints.Dryfilmthicknessshallbecheckedwithdryfilmthicknessmeter.Eachcomponentforexamining5places,everywhereis3averagevalueofdryfilmthicknessformutuallybeingapartfrom50mmmeasuringpoints.干膜厚度的測量遵循GB50205-2001《鋼結(jié)構(gòu)工程施工質(zhì)量驗收規(guī)范》。利用干膜測厚儀檢查油漆干膜厚度。每個構(gòu)件檢測5處，每處的數(shù)值為3個相距50mm測點涂層干漆厚度的平均值。利用干膜測厚儀檢查油漆干膜厚度。每個構(gòu)件檢測5處，每處的數(shù)值為3個相距50mm測點涂層干漆厚度的平均值。9.2.7Paintingshallnotbepermittedintheareaof50mmaroundtheweldinglineonbottomplate.底板的現(xiàn)場焊接焊縫周圍50mm范圍內(nèi)不允許刷漆。9.2.8Bottomplateswillbenumberedaccordingtoalignmentdrawingsafterpainthasbeendriedadequately.Numberingmethodisasfollowing:Tanknumberpluserectionsequencenumber.待油漆充分干燥后，按照排版圖對底板進行編號，具體編號方式如下：儲罐編號+安裝序號9.2.9Bottomplatesshallbepiledupandtransportedaccordingtoerectionsequenceafteritsnumbering.編號完畢后，按照安裝順序擺放、運輸。9.2.10Inequableclearancesshallbeadoptedforbuttjointsinarchedannularplates.Outboardclearanceshallbe6-7mmwhileinboardclearanceshallbe8-12mm.弓形邊緣板的對接接頭，宜采用不等間隙。外側(cè)間隙宜為6~7mm；內(nèi)側(cè)間隙宜為8~12mm。9.2.11Widthofbottomcenterplateshallnotbelessthan1000mmandlengthshallnotbelessthan2000mm.中幅板的寬度不得小于1000mm；長度不得小于2000mm；9.2.12Distancebetweenanytwoadjacentweldinglinesinbottomplatesshallnotbelessthan200mm.底板任意相鄰焊縫之間的距離，不得小于200mm。9.2.13Deviationofdimensiontoleranceofarchedannularplatesshallbeinaccordancewithrequirementsinthefollowingform:弓形邊緣板的尺寸公差允許偏差，應(yīng)符合下表的規(guī)定。弓形邊緣板尺寸允許公差PERMITTEDTOLERANCEOFARCANNULARPLATESDIMENSION測量部位measuredpoints允許偏差（mm）toleranceheightAB、CD長度widthAC、BD、EF寬度differenceofdiagonals|AD-BC|對角線之差±2±2≤39.3SHELLPLATESPREFABRICATION壁板預(yù)制9.3.1ShellplatesalignmentdrawingshallbemadeaccordingtothedesigneddimensionandGB128beforetheircuttingprefabrication.壁板在切割預(yù)制前，應(yīng)按設(shè)計圖紙尺寸及GB128進行排版。9.3.2Allsteelplatesshallberecordedandtabbedaccordingtoarrangementandparts;allplatesshallbepiledupin-orderforeasyerection.所有鋼板下料時應(yīng)按層次，部位做好記錄并標號，堆放時應(yīng)按安裝順序放之，以便安裝就位。9.3.3Lineoutfigureonsteelplatesaccordingtoalignmentdrawingstomaketheirdimension(diagonal,lengthetc.)tocomplywithrequirements.Makegroovewithasemiautomaticcutteraftertheplateshavebeencheckedup.按照排版圖，在鋼板放樣劃線，使其對角線及長寬等尺寸符合規(guī)范要求，校驗合格后，用半自動切割機下料打坡口。9.3.4Rollsteelplateswitharollingmachineandtheradianshallbecheckedreferringtoanarctemplettomakesureitcanmeetrequirementsindrawings.利用卷扳機卷板，弧度利用弧形樣板檢查，使其符合圖紙要求。9.3.5Straightedgeofthickplatesshallbecutwithasemiautomaticcutterafterrolling.Andgrooveshallbemademanually.較厚壁板卷制后，其直邊部分，用自動切割機割除，并用手工打坡口。9.3.6Grooveofthinplatesshallbemadewithasemiautomaticcutterbeforereeling.Andthentheplateswillbeprocessedonareelingmachinetobendtheiredgestoarequiredradianbyusinganarctemplet.較薄壁板，卷制前先用半自動切割機打坡口，然后在卷板機上利用弧形模板，將鋼板兩端卷成所需弧度。9.3.7cleaningoil,greaseandcontaminantontheplatesurfacewithfreshwaterbeforeblasting。在拋丸前用清水清潔鋼板表面的油，油脂及污染物。Havingbeenrolled,theplateswillbeliftedontoanabratorconveyerbeltforremovingrust.將卷制好的壁板，吊至拋丸機傳送帶上，進入拋丸機拋丸除銹。9.3.8Blowawaydustandironpowderonsteelplatesafterbeingprocessedinanabrasivebyusinganair-compressor.利用空壓機壓力風(fēng)，吹凈拋丸后鋼板上的塵土及鐵粉。SurfacecleannessandsurfaceprofileshouldberelativelyinspectedwithphotointheGB8923”rustinessandantirustgradeofsteelplatesurfacebeforeblasting.表面清潔度和輪廓根據(jù)GB8923《涂裝前鋼材表面腐蝕等級和除銹等級》所規(guī)定的圖片進行對照觀察檢查。9.3.9Shellplatesshallbespraypaintedwithprimerbyusingtheairlesssprayequipment.Afterdryfilmthicknessofprimercoatreachesto75um,inner-coatwillbeaddedtoathicknessof75um75umafteritisdry.利用無氣噴吐機噴底漆，待底漆干燥且干膜厚度達到75um后，再噴中間漆，并使中間漆干燥后，干膜厚度達到75um。9.3.10Dryfilmthicknessshallbecheckedwithdryfilmthicknessmeter.Eachcomponentforexamining5places,everywhereis3averagevalueofdryfilmthicknessformutuallybeingapartfrom50mmmeasuringpoints.利用干膜測厚儀檢查油漆干膜厚度。每個構(gòu)件檢測5處，每處的數(shù)值為3個相距50mm測點涂層干漆厚度的平均值。9.3.11Paintingshallnotbepermittedintheareaof50mmaroundtheweldinglineonshellplate.壁板的現(xiàn)場焊接焊縫周圍50mm范圍內(nèi)不允許刷漆。9.3.12Shellplateswillbenumberedaccordingtoalignmentdrawingsafterpainthasbeendriedadequately.Numberingmethodisasfollowing:Tanknumberplusshellcoursenumberplusringerectionsequencenumber.待油漆充分干燥后，按照排版圖對壁板進行編號，具體編號方式如下：儲罐編號+壁板層編號+環(huán)向安裝序號9.3.13Shellplatesshallbepiledupandtransportedaccordingtoerectionsequenceandshallbeputonspecialmoldinsealedvehiclesduringtransportationtomakethemfirmandreliable.編號完畢后，按照安裝順序擺放、運輸，壁板運輸時，放置專用mold上，然后封車，使其牢固可靠。9.3.14Alllongitudinalweldinglineineveryringofplatesshallbeinthesamedirectionandthedistancebetweenthemshallbe1/3ofthelengthofplateandnolessthan500mm.各圈壁板的縱向焊縫宜向同一方向錯開，其間距宜為板長的1/3，且不得小于500mm。9.3.15Distancebetweenlongitudinalweldinglineinbottomringandbuttjointweldinglineinannularplateshallnotbelessthan200mm200mm.底圈壁板的縱向焊縫與罐底邊緣板對接焊縫之間的距離，不得小于200mm200mm。9.3.16Distancebetweenshellnozzleorreinforceplatesedgeofnozzleandlongitudinalweldinglineinshellplateshallbenoless200mm;andbetweenshellnozzleorreinforceplatesedge,andtransverseweldinglineshallnotbelessthan100mm.壁板開孔接管或開孔接管補強板外緣與壁板縱向焊縫之間的距離，不得小于200mm；與環(huán)向焊縫之間的距離，不得小于100mm。9.3.17Distancebetweenbuttjointofcurbangleandlongitudinalweldinglineinshellplateshallnotbelessthan200mm.包邊角鋼對接接頭與壁板縱向焊縫之間的距離，不得小于200mm；9.3.18Toleranceofshellplatesdimensionshallbeinaccordancewithrequirementsinthefollowingform:壁板尺寸的允許偏差，應(yīng)符合下表的規(guī)定：壁板尺寸允許偏差TOLERANCEOFSHELLPLATESDIMENSION測量部位measuredpoints環(huán)縫對接（mm）buttjointofcircle環(huán)縫搭接lapjointofcircle（mm）length板長AB（CD）≥10mlength板長AB（CD）＜10mwidth寬度AC、BD、EF±1.5±1±2length長度AB、CD±2±1.5±1.5differenceofdiagonals對角線之差|AD-BC|≤3≤2≤3Linearity直線度AC、BD≤1≤1≤1AB、CD≤2≤2≤39.3.19Reeledshellplatesshallbeputerectlyontheplatformtobecheckedreferringtoatemplet.Verticaldirectionshallbecheckedwithastraighttempletandtheclearanceshallnotexceed1mm;horizontaldirectionshallbecheckedwithanarctempletandtheclearanceshallnotexceed4mm.壁板卷制后，應(yīng)立置在平臺上用樣板檢查。垂直方向上用直線樣板檢查，其間隙不得大于1mm；水平方向上用弧形板檢查，其間隙不得大于4mm。9.4roofsheetsprefabrication罐頂板預(yù)制9.4.1Alignmentdrawingsofroofsheetsshallbemadeaccordingtodesigndrawings,GB128andactualspecificationsofsteelplatesbeforetheirprefabrication.頂板在預(yù)制前應(yīng)按設(shè)計圖紙及GB128要求和實際鋼板規(guī)格繪制排版圖。9.4.2Lineoutfigureofroofsheetsshallbemadeaccordingtodrawingsbygeometricexpandingmethod.用幾何展開法，根據(jù)圖紙對罐頂板進行放樣。9.4.3Forribofdomeroof,acenterpointshallbedefinedfirst,andthenLineoutfigureandlineationshallbemadeaccordingtodiameterofthedomeroofandatlastcuttingmaterialshallbemadewithasemiautomaticcutterorbymanualgasgascutting.Ribsshallbecheckedwithanarctempletandtheclearanceshallnotexceed2mm.Particularactionshallbetakentoavoiddistortionwhenribsareweldedtoroofsheets.拱頂?shù)募訌娎撸却_定一個中心，安拱頂內(nèi)徑進行放大樣，劃線，然后用半自動切割機或手工氣割進行下料。加強肋用弧形樣板檢查，其間隙不得大于2mm；加強肋與頂板組焊時，應(yīng)采取防變形措施。9.4.4Ineventthatbuttjointsareadoptedforribsconnection,padplatesshallbeusedandweldshallbethoroughlyfused.Ineventthatlapjointsareadopted,lengthofthelappartshallnotbelessthanthreetimesoftheribwidth.加強肋的拼接采用對接接頭時，應(yīng)加墊板，且必須完全焊透。采用搭接接頭時，其搭接長度不得小于加強肋寬度的3倍。9.4.5Allroofsheetsshallbenumberedaccordingtoalignmentdrawingsaftercuttingmaterialfinished.Thenumberingformistankcodeplustanknumber.Thenumbersshallbemarkedonvisiblepartsofdomeroofsheets.所有罐頂板，下完料后，都要按照排版圖進行編號，具體編號為：儲罐代號+序號。編號標示在拱頂板明顯部位。9.4.6Erectionsequenceconformtosequenceofalignmentdrawingsanderectfromsmalltobigsequence.安裝順序按排版圖上序號，由小到大的順序進行安裝。9.4.7Alldomeroofsheetsshallbepiledupaccordingtoerectionsequence.所有拱頂板按安裝順序堆放。9.5COMPONENTPREFABRICATION構(gòu)件預(yù)制9.5.1Finishedarccomponents(e.g.reinforcingringandcurbangle)shallbecheckedwithanarctemplet,andtheclearanceshallnotexceed2mm.Ineventbeingputontheplatformforchecking,theirturnupdistortionshallnotexceed0.1%oftheirlengthandshallnotexceed4mm.加強圈、包邊角鋼等弧形構(gòu)件加工成型后，用弧形樣板檢查，其間隙不得大于2mm。放置在平臺上檢查，其翹曲變形不得超過構(gòu)件長度的0.1%，且不得大于4mm。9.5.2Componentofhotgrillmoldingshallnotbeoverburnordegenerative.Deductionofitswidthshallnotexceed1mmandhotgrilltemperatureshallnothigherthan620℃.熱煨成型的構(gòu)件，不得有過燒、變質(zhì)現(xiàn)象。其厚度減薄量不應(yīng)超過1mm，煨制溫度不得大于620℃。TANKASSEMBLY罐體組裝10.1acceptanceoffoundations基礎(chǔ)驗收10.1.1Dimensionoffoundationssurfaceshallcomplywith:基礎(chǔ)表面尺寸，應(yīng)符合下列規(guī)定：Centerelevationoffoundationspermitteddeviationshallbe±20mmmm.基礎(chǔ)中心標高允許偏差為±20mmmm；Thesurfaceimmediatelyundertheshellplatesshallbelaidsothatthedifferencefromameanleveldoesnotexceedplusorminus6mmin10mandplus12mmbetweenanytwopointsaroundthecircumference.支撐罐壁的基礎(chǔ)表面，水平偏差在10m范圍內(nèi)，不超過±6mm，圓周方向任意兩點不超過±12mm。c.Surfaceofsand-bitumenlayershallbeclose-grainedwithoutprojectinghunch,holloworperforativecrackle.Thefluctuantdegreeofsurfaceofsand-bitumenshallbecheckedbymethodsbelow:瀝青砂層表面應(yīng)密實，無突出的隆起、凹陷及貫穿裂紋。瀝青砂層表面凹凸度應(yīng)按下列方法檢查：Fortankwhosediameterislessthan25m,measurefromfoundationcentertoperipheralpartswithawire.Themeasurepointsshallnotbelessthan10pointsper100m2(surfacearealessthan100m2shallbecalculatedas100m2),andpermitteddeviationofthefluctuantdegreeshallnotexceed25mm.儲罐