大型油罐焊接程序 welding procedure

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1、大型油罐焊接程序WELDINGPROCEDUREPage26TableofContents1.PURPOSE22.SCOPE23.REFERENCES24.WELDINGPROCESSFLOWCHART25.REQUIREMENTS35.1Preparationpriortowelding35.1.1Selectionofweldingmethod35.1.2Managementofweldingconsumable35.1.3Weldingprocedurequalification45.1.4welderqualification45.1.5weldingequipm

2、ents45.1.6Clean-uppriortoWelding45.2Controlofweldingprocess55.2.1Weatherconditionsforwelding55.2.2Tackwelding55.2.3Backgouging55.2.4Attachmentswelding55.2.5Weldingorderoftanks65.2.6Weldingofbottomplate65.2.7Weldingoftankshells75.2.8Weldingofroofoftank85.2.9Producttestplates85.2.10Markingo

3、fWelds焊接标记85.3Inspectionofweldingseam85.3.1Visualinspection85.3.2NDT95.4Weldingseamrepairing106.WELDINGDOCUMENTSANDRECORDERS11.ATTACHMENT12Page261.PURPOSEThisprojectistoconstruct2butadienetanks,(size:φ16600×10000).Theprocedureprovidessomeweldingprocessandweldingrequirements,toensureweldin

4、gqualityofbutadienetankstomeetrequirementsofcontractandappliedspecification/standardtosatisfytheowner.目的：本工程是建造两台储罐。本程序为确保油罐的焊接施工质量符合合同、适用规范和标准的要求，使业主满意，特制订焊接工艺和焊接要求。2.SCOPEThisprocedureisapplicabletothetankweldingof0000PetrochemicalProject2butadienetanks.范围：本施工程序适用于中海壳牌石油化工有限公司2台xx罐的焊接施工

5、。3.REFERENCES3.1“Verticalcylindricalsteelweldedoiltank”GBJ128-903.2“weldingevaluationforsteelpressurevessel”JB4708—20003.3“mechanicalpropertytestsofproductweldedtestcouponsforsteelpressurevessels”JB4744—20003.4“DesignandConstructionofLarge，Welded，Low—PressurestorageTanks”API-620Page263.5“

6、CodeofweldingandBrazingEvaluate”SECTIONIXASMEcode3.6PMCRelevantWeldingProcedures00-002500-00383.7“BUTADIENESTORAGETANKS,002&003”SP-8430-0810-03043.8DesignDrawing3.1《立式圆筒形钢制焊接油罐施工及验收规范》GBJ128-903.2《钢制压力容器焊接工艺评定》JB4708—20003.3《钢制压力容器产品焊接试板的力学性能检验》JB4744—20003.4《大型焊接低压油罐设计和施工》API-6203.5《焊接和钎

7、焊评定》ASME第IX卷3.6PMC相关焊接文件00-002500-00383.7《00储罐002&003》SP-8430-0810-03043.8设计图纸4.WELDINGPROCESSFLOWCHARTReviewdrawing→EstablishWPS→Processqualification→Weldertest→Weldingpreparation→Fitting/tackwelding→Welding→Visualinspection→NDT(repair)→Finalacceptance.焊接工艺流程图审查图纸制