焊接工艺规程和维修培训教材.pptx
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焊接工艺规程和维修培训教材.pptx
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,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,焊接工艺规程和维修WELDINGPROCEDURESANDREPAIRS,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,ThispresentationprovidesabriefintroductiontoWeldingProceduresandRepairsperformedby,oronbehalfof,Qenos.本演示稿提供了一个由凯诺斯(或代表凯诺斯)进行的焊接工艺规程和维修的一个简要介绍。
2页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,HISTORY历史Priorto1995,themajorityofPressureVesselscameunderthecontroloftheRegionalGovernmentRegulator1995年之前,绝大多数压力容器由地区政府监管机构控制RegionalGovernmentemployedInspectorswereappointedtooverseeNewFabricationWeldingandOn-SiteWeldingRepairs地区政府聘请的检查员被指派监督新设备焊接和现场焊接维修,3页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,4页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,ManySmallerVesselstogetherwithmostPipingwerenotcoveredbytheRegionalregulations.许多较小容器含大多数管线并未被地区法规所涉及。
Anyfabrication,modificationsorrepairstoEquipmentItemshadtobemanagedinternallybyQenospersonnel.任何设备部件的制造、改动或维修必须由凯诺斯员工内部管理。
5页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosmanagedWeldingworkhadtomeetrespectiveStandardsand/orCoderequirements凯诺斯管理的焊接作业必须符合相应的标准和/或规范要求Thisrequiredthefollowing:
有下列要求:
TheappointmentofaWeldingInspectororWeldingSupervisor任命一名焊接检查员或焊接主管。
DevelopingandMaintainingQualifiedWeldingProcedures.制订和遵守合格焊接工艺规程。
6页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,Requirements(continued):
要求(续):
QualificationofandRoutineTestingofWeldingOperators焊工资质和日常考核ArrangingforanyrequiredNDEandHydrostaticTesting(asprescribedintherespectiveStandardand/orCode).安排所有所需NDE和净水压试验(按相关标准和/或规范中的规定)。
MaintainingHistoryRecordsofWeldingprojects.保存焊接项目的历史记录。
7页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,DE-REGULATION解除管制In1995,theRegionalGovernmentelectedtomakeIndustriesaccountableandresponsibleforallWeldingFabricationandRepairwork.1995年,地方政府投票通过让行业负责全部的焊件制造和维修作业。
8页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,DE-REGULATION解除管制Qenosthenhadtoself-manageALLWeldingwork.凯诺斯接下来必须自我管理所有的焊接作业。
9页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
EnsuringthatwehadappropriatelyexperiencedWeldingInspectorsandSupervisors确保我们有相应经验十分丰富的焊接检查员和主管EnsuringthatwehadanexperiencedWeldingEngineer确保我们拥有一名经验丰富的焊接工程师,10页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
Determiningtherequiredscopeofwork.确定所需作业范围。
DefiningtheapplicableEngineeringStandardorCode.定义可执行的工程标准或规范。
11页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
Determiningthemostappropriateweldingtechnique.确定最合适的焊接技术。
页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
Determiningwhetherworkbestdoneeither:
确定在以下情况下是否最好地完成作业:
In-Situ现场RemovedfromplantlocationbutRepairedonSite已从装置位置拆除但在现场维修RemovedfromplantlocationandsenttoFabricationContractorsworkshopforrepair.已从工厂位置拆除并送至制造承包商的车间进行维修。
13页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
Establishingwhetherpre-heatandpostweldheattreatmentisrequired.确定是否需要预热或焊后热处理。
Specifyingaparticularweldingprocessand/orconsumables(ifappropriate).指定特定的焊接工艺和/或耗材(如适用)。
14页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
Developingadetailedrepair/modificationSpecification制订详细的维修/改动规范SelectingsuitablyexperiencedContractEngineeringFabricationcompany/s.选择具有丰富适当经验的合约工程制造公司。
页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
DiscussingproposalwiththeContractcompaniesWeldingEngineer(andmodifySpecificationifappropriate).与承包公司焊接工程师讨论提议(并在适用时修改规范)。
16页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
EnsuringthatcontractorhasandQualifiedWeldingProcedureandQualifiedWeldingOperators.确保承包商有合格的焊接工艺规程和有资质的焊接操作人员。
17页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
Forcomplexwork,ensuringthattheContractorassignsaWeldingSupervisor.复杂作业时,确保承包商任命了焊接主管。
18页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
EnsuringthattheassignedWeldingSupervisorisconversantwiththejobrequirements.确保任命的焊接主管熟悉作业的要求。
19页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
ContractortoorganiseforNATANDEInspectionofwelds(ifthisisstipulatedintheSpecification)承包商需安排焊缝的澳大利亚测试机构协会无损探伤检查(如果在技术规范中规定)ContractortoprovideadetailedManufacturersDataReportfortherepairwork.承包商需提供维修作业详细的制造商数据报告。
20页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
QenosWeldingInspectortowitnessWeldingasrequired凯诺斯焊接检查员应按要求在焊接时在场。
QenosWeldingInspectortowitnesstheHydrostaticTesting(ifapplicable).凯诺斯焊接检查员在水压测试(如适用)时应在场。
21页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
QenosWeldingInspectortoSign-OffonVesselAcceptanceontheWorkPermit(thisallowsMaintenancetopreparethevessel,andfortheOperationsgrouptoputvesselbackintoservice).凯诺斯焊接检查员应在容器验收时在作业许可上签字(这允许维修部门准备容器,并由操作组将容器重新投入使用)。
22页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,QenosWeldingResponsibilitiesencompassedthefollowing:
凯诺斯焊接责任包含以下内容:
QenosWeldingInspectortoupdateVesselHistoryinSAPfollowingcompletionofallrepairwork(thisincludedestablishingthenextInspectioninterval).凯诺斯焊接检查员须在所有维修作业完成后,在SAP中更新容器历史(这还包含确定下次检查间隔)。
23页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,CURRENTARRANGEMENTSFORFIXEDEQUIPMENT固定设备的当前安排ThevastmajorityofFixedEquipmentonthevariousQenossitesmustbeRegisteredwiththerespectiveRegionalGovernmentbody.在各个凯诺斯场所的绝大多数固定设备必须在相应的地方政府机构处注册。
Alterationsand/orRepairscanbeperformedwithoutadditionalapprovalsubjecttothefollowingconditionsbeingmet:
满足下列条件时,更改和/或维修作业无须额外批准即可进行:
24页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,CURRENTARRANGEMENTSFORFIXEDEQUIPMENT固定设备的当前安排SelfManagedRepairs/Alterations自主管理维修/更改LikeforLikeReplacement/s对等更换WeldRepairsassociatedwithcorrosionloss与腐蚀损失关联的焊件维修Additionsofsamesizednozzles(subjecttoCoderulesrelatedtoproximitytootherexistingnozzles)增加相等大小的管口(需遵循与其他现有管口靠近程度相关的规范法则),25页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,CURRENTARRANGEMENTSFORFIXEDEQUIPMENT固定设备的当前安排SelfManagedRepairs/Alterations自主管理维修/变更AllNew,orRepairsto,ExistingPiping全新或维修现有管道Repairsand/orModificationstoTanksandotherNon-Registeredequipment.储罐和其他未登记设备的维修和/或改动。
26页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,CURRENTARRANGEMENTSFORFIXEDEQUIPMENT固定设备的当前安排MajorAlterations重大改动MajorAlterationsoftenrequirethatweobtainaNewDesignApprovalfromtheRegionalGovernmentRegulator重大改动往往需要从地方政府监管员得到新设计的批准。
Followingapproval,allWeldingassociatedwiththeApprovalmustthenbefullymanagedbyQenos.批准后,所有与该批准相关的焊缝须由凯诺斯全面管理。
27页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动ThemajorityofmodificationtoPipingusuallycomprises:
大多数管道改动通常包括:
NewAdditions新加AlterationtoExisting对现有改造RepairstoExisting对现有维修,28页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动AllnewPipingfabricationworkisdoneeitherattheContractorsWorkshoporinaQenosWorkshop.所有新管道的制造工作应在承包商车间或凯诺斯车间完成。
Thereisoftenanumberof“tie-in”weldsthatwillneedtobedoneinthefield经常有很多的“搭接”焊将需要在现场完成。
29页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动DependingupontheDesignCodeandServiceConditions,eitherFull,Partial,orNoRadiographicInspectionwillberequired.哪些管道需要射线检查,那些不要?
根据设计规范和运行条件的不同,将需要完全、部分射线探伤或不需要射线探伤。
30页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动AllPipingSpoolswillbesubjectedtoaHydrostaticTestinaccordancewithCoderequirements.所有管节都需按照规范要求进行一次水压测试。
Tie-inweldsmaybeether“plughydrotested”(ifassociatedwithaflange)orbedeemedasa“golden-weld”andonlyradiographed.搭接焊缝可进行“堵管水压测试”(如果与法兰关联)或被视为“黄金焊缝”并仅进行射线探伤。
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31页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动FollowingInspectionandTesting,thecompletedpipespoolswillbesentofftoaSpecialistAbrasiveBlastingContractorwhowillapplytherequiredsurfacecoating.检查和测试后,完成的管段将被送到一家专业喷砂承包商,其将涂装所需的表面涂层。
页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动WhereFieldTie-InWeldsarespecifiedtheSpecialistAbrasiveBlastingContractorwillinitiallyabrasiveblastthewholepipespool,thenapplyatapecoatingaroundthedesignatedweldzone.指定现场搭接焊缝时,专业喷砂承包商将在开始时对整个管段进行喷砂,然后将在指定的焊接区域周围缠上胶带层。
33页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动Thiszonewillbeleftun-coatedtopreventweldcontamination.保持此区域无防腐层,以避免焊缝污染。
34页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动PipeCoatingsspecificallyapplyto:
管道防腐层专用于:
ThoseforNominalAmbientOperation.用于标称环境操作的管道。
ThoseassociatedwithHotOperation.与动火作业相关的管道。
35页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动PipeCoatingsspecificallyapplyto:
管道防腐层专用于:
ThoseassociatedwithColdOperation.与冷作相关的管道。
InsulatedPipingwhichoperatesintheCorrosionUnderInsulationTemperaturerange.“保温层下腐蚀”温度范围运行的保温管道。
36页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动ForCorrosionUnderInsulation,QenosincorporatesallequipmentoperatingintheTemperatureRangeofminus4degCtoplus175degC.对于“保温层下腐蚀”,凯诺斯采用的所有设备都能在零下4摄氏度到零上175摄氏度的温度范围内工作。
37页,WELDINGPROCEDURESANDREPAIRS焊接工艺规程和维修,MODIFICATIONTOPIPING管道改动FieldTie-InWeldswillrequireaFieldAppliedCoating.现场搭接焊缝作业需要现场施工的防腐层。
Dependinguponthenatureandtheseverity,thesefieldcoatingsmay,ormaynot,b
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