压力容器水压试验

1HYDROSTATICPRESSURETESTPROCEDURE水压试验程序General概述AllcompletedvesselsfabricatedinaccordancewithGB150-1998shallsatisfactorilypasspressuretest.按GB150-1998《钢制压力容器》要求制造的压力容器在完成后应水压试验合格。Ahydrostatictestshallbeconductedonallvesselsafterallfabricationhasbeencompleted,exceptforoperationwhichcouldnotbeperformedpriortothetestsuchasweldandpreparation,cosmeticgrindingonthebasematerialwhichdoesnotaffecttherequiredthickness.除了不能预先进行的焊缝表面、母材表面上不影响要求的厚度的外观打磨处理，水压试验必须在容器制造完毕，总体检查合格后进行。除了焊接、准备工作以及在母材表面进行的不影响要求厚度的外观打磨处理不能预先进行之外，水压试验必须在容器制造完毕后进行。Ahydrostatictestshallbeconductedonallvesselsafterallexaminationshavebeenperformed,exceptthoserequiredafterthetest.压力容器必须全部制造完成并经检查合格后，方可进行水压试验。AllhydrostatictestprocessshallconformtotherequirementsofGB150-1998andtherequirementsofSUPERVISIONREGULATIONSONSAFETYTECHNOLOGYOFPRESSUREVESSEL水压试验程序应符合GB150-1998《钢制压力容器》和《压力容器安全技术监察 规程 煤矿测量规程下载煤矿测量规程下载配电网检修规程下载地籍调查规程pdf稳定性研究规程下载 》的要求。Pressureindicatinggagesusedinthepressuretestmustbeinaccordancewiththefollowingrequirements:水压试验用压力表不许符合以下要求：Pressureindicatinggageshallbeconnecteddirectlytothevessel.Iftheindicatinggageisnotreadilyvisibletotheoperatorcontrollingthepressureapplied,anadditionalindicatinggageshallbeprovidedwhereitisvisibletotheoperatorthroughoutthedurationofthetest.压力表不许直接与容器连接。如果容器上设置的压力表不能被压力控制操作人员很容易的看到，那么应在操作者能够明显清晰的部位增加一个压力表，以便于进行全过程的压力控制。Pressureindicatinggagesusedintestingshallhavearangeoveraboutdoubletheintendedmaximumtestpressure,butinnocaseshalltherangebelessthan1.5normorethan3timestestpressure.压力表的量程一般应为最大试验压力的2倍，在任何情况下都不能超过试验压力的1.5~3倍。压力表量程不得少于试验压力的1.5倍，不得高于试验压力的3倍。Allgagesshallbecalibratedagainstastandarddeadweighttesteroracalibratedmastergage.Gagesshallberecalibratedatanytimewhenthereisreasontobelievethattheyareinerror.Thegagesshallbeusedwithintheeffectiveperiodofsixmonths.所有试验用的压力表应采用压力表试验器或经校准的校准用精密仪表进行校验。无论何时发现试验用的压力表存在问题，都应重新进行校验。压力表校验合格后的使用有效期为6个月。Allreinforcingpadweldshallbetestedbyairtighttestandnoleakagebefoundformanyjoints.Thevalueofairtightshallbebetween0.4MPaand0.5MPa.容器上的补强圈应通入0.4~0.5MPa的压缩空气对所有焊缝连接部位进行气密性检查合格。PreparationforTesting试验准备Ventsshallbeprovidedatallhighpointsofthevesselinthepositioninwhichitistobetestedtopurgepossibleairpocketswhilethevesselisbeingfilled.容器顶部所有高点都应设置排气口，以便于充水过程中将容器内部的空气排放干净。Priortohydrostaticpressuretest,theinsideandoutsideofthevesselshouldgiveagoodcleaningtoremoveoil,grease,paintandotherdirt.Theexaminedareaoftheinsideandoutsideofthevesselshallbekeptclean,withoutanydirtwhichinfectsthetest.Thesurfacemustbedried.InternalInspectionReportshouldbesubmittedforapprove.水压试验前，容器内、外应清理干净，清除所有的油污、铁锈等污垢。试验过程中所有试验范围内的容器内、外表面应保持干净，没有影响试验的污物。容器的外表面必须保持干燥。容器内部检查 报告 软件系统测试报告下载sgs报告如何下载关于路面塌陷情况报告535n,sgs报告怎么下载竣工报告下载 应提交批准。Beforeapplyingpressure,thetestequipmentshallbeexaminedtoseethatitistightandthatalllowpressurefillinglinesandotherappurtenancesthatshouldnotbesubjectedtothetestpressurehasbeendisconnected.水压试验前，应检查试验设备是否连接紧固，检查所有不属于试验系统的低压填充物及其它附属物是否已经分离。Beforeapplyingpressure,thetemperatureofthetestmediumandthewalltemperatureofthevesselshallbemeasuredwiththethermometer.Thetestpressureshallbeappliedafterthevesselanditscontentsareataboutthesametemperature.水压试验前，应采用温度计测量试验液体和容器器壁的温度。当容器壁温与试验液体温度一致时，方可对容器进行加压。Duringtestingthetemperatureofthevesselandtestmediumshallnotbelowerthan5Cnormorethan40C.水压试验期间，容器器壁和试验液体的温度应控制在5~40C之间。Temperaturerecordshallmeasurethetestmediumtemperaturenottheairtemperature.Hydrotestingwatershallbeclean,freshwater.温度应测量试验液体的温度而非气温。试验液体应是干净、新鲜的水。Thereinforcementplatesoutsidethevesselsandtheweldoftheconnectingpipeshallpasstheleaktestingbeforedoingpressuretest.水压试验前，容器的补强圈与容器壳体、接管的焊缝应经气密性检查合格。Priortohydrostaticpressuretest,blastingandpaintingworkshallnotbecarriedout.水压试验前不允许进行喷砂涂漆工作。Serviceboltsandgasketsshallnotbeusedforhydrostaticpressuretesting.Aftertestserviceitemswillbereinstalled.水压试验用螺栓、垫片等不能使用正式的设备用部件，水压试验合格后应方可安装正式螺栓、垫片。4.10Thereshallbeatleastonehighpoint&onelowpointpressuregaugepervessel.容器上至少在顶部和底部各设置一个压力表。StandardHydrostaticTest 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 的水压试验TestPressure试验压力Forinternalpressurevessel,thetestpressureshallbeatleastequaltoPteverypointinthevessel.承受内压的容器，容器内部任何部位的试验压力应大于等于Pt。PT（min.）二1.25P（笛）min.SdWhere:FT（min.）二minimumtestpressure最小试验压力,MPaP=designpressure 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 压力,MPaSt=thestressvalueforthetesttemperatureonthevess试验温度下的许用应力，MPaSd=thestressvalueforthedesigntemperatureonthevesse设计温度下的许用应力，Mpa冬）min.二thelowestratio（forthematerialsofwhichthevesselisSdconstructed）ofthestress许用应力的最小比值（容器所使用的 材料 关于××同志的政审材料调查表环保先进个人材料国家普通话测试材料农民专业合作社注销四查四问剖析材料 ）ApplicationofPressure试验过程Thetestpressureshallbegraduallyincreaseduntiltherequiredtestpressureisreachedandheldforaminimumofonehour.Thenthepressureshallbereducedtoavaluenotlessthanfour-fifthofthetestpressureandheldforasufficienttimetopermitinspectionofthevessel.压力应缓慢上升直至要求的试验压力后，保压1小时。然后将压力降至试验压力的80%，保持足够的时间进行检查。Examination检查Thevisualinspectionofthevesselshallbeperformedinaccordaneewiththefollowingrequirements:Forthehydrostatictestthevisualinspectionofalljointsandconnectionsinthevesselshallbemadeatapressureequaltofour-fifthoftherequiredtestpressure.Leakageisnotallowedatthetimeoftherequiredvisualinspection.Afterthetest,theExaminershallfillintheHydrostaticTestReport,reviewedbyQCEngineerandacceptedbyOwne'appointedinspector.容器的目视检查应按下列要求进行：当压力降至要求试验压力的80%后，应对容器上所有焊缝及连接部位进行检查，不允许有泄露现象。水压试验合格后，检验人员应提交水压试验报告，由QC工程师审核并交业主指定的监督检验人员确认。DrainandDry排液干燥Afterthefinalhydrostatictest,vesselsshallbedrainedanddriedcompletely.Airdryingshallbedonewith0.4~0.6MPacompressair.水压试验完成后，应将容器内的水放干净，采用0.4~0.6MPa的压缩空气将容器内外吹干。DimensionalInspection几何尺寸检查Afterthetest,thevesselsshallbedimensionallyinspectedtoconfirmthevesselsstillkeepitsshapebeforethetest.水压试验后，应对容器进行几何尺寸检查，确认其形状与水压试验前一