压力管道培训之材料8管道施工及验收规范

压力管道培训之材料8管道施工及验收规范(Materialsfor

pressurepipingtraining-8pipingconstructionand

acceptancespecification)

Pressurepipingtrainingmaterials8pipingconstructionand

acceptancespecification.Txtmenshouldbegratefultowomen

whoaremorethan20yearsoldwiththeirownside.Because20

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filetothelocalview.

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Firstpages,9pages

8codeforpipingconstructionandacceptance

8.1codeforcomprehensiveconstructionandacceptance8.2

classificationofpipelines(grades)pipingclassification

8.2.1SH3501-2002pipelineclassification-8.2.2HG20225-95

pipelineclassification-8.2.3GB50235-97

8.3requirementsforradiographicinspectionofweldedjoints

Requirementsforradiographicinspectionof8.3.1SH3501-2002

weldedjoints-Requirementsforradiographicinspectionof

8.3.2HG20225-1995weldedjoints-Requirementsfor

radiographicinspectionof8.3.3GB50235-97weldedjoints-

8.3.4,SH3501,HG,20225,GB50235comparison,

8.4pipingpressureandsealingtest

8.4.1pipes;liquidtests;pressureandgastests;pressure

pipes;liquidtests;pressureandgastests;pressure;8.4.2;

sealingtests

Eightpointfive

Scopeofapplicationofconstructionacceptancespecification

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Secondpages,9pages

8specificationforconstructionandacceptanceof8.1

comprehensivespecificationforconstructionandacceptanceof

GB50235-97-GB50236-98-industrialmetalpipeline

engineeringconstructionandacceptanceoffieldequipment,

fieldequipment,industrialpipeweldingengineering

constructionandacceptancespecification

SH3501-2002petroleumchemicaltoxicandcombustiblemedium

pipingengineeringcodeforconstructionandacceptanceofoil

-toxicchemical,qualityinspectionandassessmentofHG

20225-95chemicalmetalpipeconstructionandacceptance

specification-FJJ211-86-GB50184-93jacketedpipe

constructionandacceptancespecificationforindustrialmetal

pipelineengineeringstandard

SH/T3517-2001petrochemicaltechnicalstandardfor

constructionofsteelpipelineengineeringGBJ126-89-

SY/T0420-97-HGJ229-91-industrialequipmentandpipeline

insulationengineeringconstructionandacceptance

specificationofburiedsteelpipelinesofpetroleumasphalt

coatingtechnologystandardofindustrialequipment,

industrialequipment,codeforconstructionandacceptanceof

pipelineanti-corrosionengineering

SH3022-1999paintofpetrochemicalequipmentandpipeanti-

Technicalspecification-TechnicalSpecificationfor

corrosion-SH3010-2000petrochemicalequipmentandpiping

insulationCCJ28-89-CJJ/T81-98CJJ33-89-cityheating

networkconstructionandacceptanceofurbanburiedheating

pipetechnicalspecificationforgastransmissionand

distributionengineeringconstructionandacceptance

specification

8.2pipelineclassification(class)classification(in

pipelineconstructionandAcceptanceCodesindifferentmedium,

differentoperatingconditionsofthepipelineinspection

requirementsaredifferent.Intheconstructionandacceptance

specification,differentmedium,differentoperating

conditionsofthepipelineinspectionrequirementsare

different.8.2.1SH3501-2002-SH3501pipelinepipeline

classificationSHA,SHB,SHC,SHDfourgrades.

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Thirdpages,9pages

Table8-1pipelevelSHA1.,2.,3.,1.,2.,3.,1,,2.

SH3501-2002pipelineclassification-

SHBSHCSHD

Thescopeofutmosthazardmediumpipeline(exceptbenzene

pipeline)toxicityofpropylenehighhazardmediumfine,

phosgene,carbondisulfideandhydrogenfluoridemedium

pressurepipelineisgreaterthanorequalto10.OMPa

transportingtoxic,combustiblemediumpipingfortoxicityof

benzenepipingtoxicityofextremelyharmfulmediumforhigh

hazardmediumpipeline(acrylonitrile.Phosgene,carbon

disulfideandhydrogenfluoridegroupA,b)pipelineexcepta

combustiblegasandaliquidhydrocarbon,akindofB,

ClassBflammableliquidmediumpipinghasamoderatetoxicity,

slightlyharmfultomedium,piping,typeB,classBflammable

liquidmedium,piping

Cryogenicpipewithtemperaturelowerthan-29

8.2.2HG20225-95pipelineclassification-HG20225-95divides

thepipeintofourgradesA,B,C,D--table8-2--

Conveyingnoncombustiblemediumcombustibleortoxicmedium

pipelinepipelinelevelABCDformediumrangetransportof

highlytoxicandnon-toxicnoncombustiblemediumpiping

conveyingmedium,mediumpressurepipelinedesignPnoless

thanIMPa,andthedesignofpipelinetemperatureof-29to186

DEGC

HG20225-95pipelineclassification-

8.2.3GB50235-97cancelledpipelineclassification,according

tothedesigntemperature,designpressureandmediumclass

distinction1)designisdividedinto:ttemperaturemorethan

400DEGC,-29=t<400C,t<-29;2)thedesignpressureis

dividedinto:P=10.OMPa(lessthan42),P<10.0MPa,4P<10.0

MPa,P<4.0MPa,3)medium:highlytoxic,toxicandcombustible

medium,non-toxic,noncombustiblemedium(GB5044)

Note:the''occupationofGB5044mediumtoxicexposuretotoxic

substancesintheIratingof"harmdegreeofthemedium;toxic

mediumaccordingtotheGB5044''occupationofexposuretotoxic

substancesclassification"inIIandthefollowingdamage

medium;combustiblemediumaccordingtotheGB50160"codefor

fireprotectiondesignofpetrochemicalenterprises7'

classification

8.3radiographicinspectionrequirementsforweldedjoints一

Requirementsforradiographicinspectionof8.3.1SH3501-2002

welds-

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Fourthpages,9pages

Table8-3

Pipelinelevel

RequirementsforradiographicinspectionofSH3501-2002welded

joints

ThedesignofPMPatransmissionmediumpressure(table)any

pressureP=10,4=P<10.0P<10.0P<4.0P<10.0P<4.0P<10.0

P<4.04P<10.0arbitrarypressuredesigntemperaturedetection

IIIIII%qualifiedforIIIIIIIIIIIIIIIIII

SHA

Utmosthazardmedium(exceptbenzene)anddegreeoftoxicity

ofpropylenehighhazardmediumfine,phosgene,carbon

disulfideandhydrogenfluoridealltoxicandcombustible

mediumalltoxicandcombustiblemediumutmosthazardmedium

benzenetoxicity,highhazardmedium(acrylonitrile,phosgene,

carbondisulfideandhydrogenfluorideexcept)aClassAand

classaclassBflammableliquidhydrocarbon,gasandaBclass,

aclassBflammableliquidtoxicitylevelismoderate,mildand

mediumhazardclassB,classCcombustiblemediumtoxic,

combustiblemedium

B

AnytemperatureanytemperatureT=400-29=t<400t=400,

-29=t<400t=400,t=400,-29=t<400t=400T<-29

10010010020201010,10055100

SHB

SHCSHD

TheSH3501consideredthecharacteristicsofpetrochemical

industryofhypertoxicandcombustiblemediumpipingmade

detailedprovisions.Noncombustible,jointX-raydetection

requirementsforapprovalinaccordancewiththerequirements

ofGB50235non-toxicmediumwelding.

8.3.2

RequirementsforradiographicinspectionofHG20225-1995

weldedjoints一

Table8-4-

Requirementsforradiographicinspectionofweldedjointsof

HG20225-1995-Requirementsforradiographicinspectionof

weldedjoints

Designpressure(P)(MPa)(table)anypressuredesign

temperature(T)Carbitraryt=400t<400t=400t<400t=400

T<400t=400t<400t=400T<400t=400T<400t=400186<t<400

-29=t=1865III10III510020IIIIIII10II20detection

ofII%oftheproportionof100100qualifiedgradeIIII

PipelinecategoryA(highlytoxic)BlB2B3B4ClC2C(non

flammablenon-toxic)C3C4C5D(nonflammablenon-toxic)

P=10,4=P<10.04=P<10.01=P<4.01

B(flammable,toxic)

Note:(1)whenthedesigntemperatureist<-29degrees,no

matterwhichlevelofpipeline,shouldbe100%inspection,

IIlevelqualified;(2)oxygenpipelineinspectionbyclassB

pipeline

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Fifthpages,9pages

8.3.3

RequirementsforradiographicinspectionofGB50235-97welded

joints-table8-5requirementsforradiographicinspectionof

GB50235-97weldedjoints-

Serialnumber123456

Themediumthatcarrieshighlytoxicfluids,alltoxicand

combustiblemedia,nonflammablefluids,non-toxicfluids,

pipes,cryogenicpipes,nonflammablefluids,non-toxicfluids,

pipes,otherpipes

DesignpressureMPa(table)anypressureP=10,4=P<10.0P

=10,P=1,anypressure

Designtemperatureofarbitrarytemperatureatanytemperature

T=400,t=400T<-29t=400

Detect%

Qualificationlevel

Onehundred

II

05III

8.3.4SH3501,HG20225,GB50235,a.thesamepointweredetected

onthefollowing100%raypipe;1)toxicmedium;2)of

hypertoxicandcombustiblemediumPismorethan10atany

temperature

4=P<10.0,t=400,C3)nonflammable,non-toxicmediumP>

10,4)B.SH35011lowtemperaturepipeline)ontheflammable

highhazardmediumbythemediaisdividedintotwotypes:

benzenetoxicity,highhazardmedium(acrylonitrile,phosgene,

carbondisulfideandhydrogenfluorideandexcluded)aclass

ofliquefiedhydrocarbonP<10.0linedetectionratewas20%;

theclassA,classBflammablegasandaBclass,aclassB

flammableliquid-29=t<400CandP<4.0t=400,t=400t<-29

pipeshotcc

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Sixthpages,9pages

P<10.02)

-29=t<400CandP<4.0

T=400,thepipelineX-raydetectionratewas10%;

Thedegreeoftoxicitywasmoderate,mildandmediumhazardB

classB,classCP<10.0-29combustiblemediumislessthanor

equaltot<400DEGCandP<4.0t=400,thepipelineX-ray

detectionratewas5%;

3)ofnonflammable,non-toxicmediumpipingnotprovidedfor

HG20225ofcombustibleandpoisonousmediumaccordingtothe

operatingconditionsaredividedinto3kindsof0P<10.0t<400

and1P<4.0t=4001

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Seventhpages,9pages

Thepressureof1.15times,andnotlessthanthetestpressure

equipmentpipelinedesignpressure,withtheconsentofthe

constructionunit,canbetestedaccordingtothetestpressure

ofequipment;3)whenthedesigntemperatureofthepipeline

ishigherthanthetesttemperature,thetestpressureshall

becalculatedasfollows:Ps=1.5P[]l/[]2insigmasigma;Ps

testpressure(11MPa;P,g)11designpressure(gauge),MPa;

[Sigma]111testtemperaturematerialallowablestress,MPa;

[Sigma12-designtemperaturematerialallowablestress,when

MPa.]l/[[sigmaSigma12isgreaterthan6.5,6.5.whenPsattest

temperatureproducestressexceedingtheyieldstrength,the

maximumtestpressurePstonotexceedtheyieldstrengthwhen

thepressureexceedsthemaximum;yieldstrength;4)onthe

greatdifferenceofthepipelineshouldbeincludedinthe

staticpressuretestmediumpressuretest.Thetestpressure

ofliquidpipelineshouldbethehighestThepressureis

accurate,butthelowpressurepipingcomponentsshallnot

exceedthebearingcapacity;5)ofpipelinesubjectedto

externalpressure,thetestpressureshouldbedesignedwithin

1.5timesthepressuredifference,andnotlessthan0.2MPa;

6)todeterminethehighpressurecasingpipeclamptestshould

betheinternalorexternaldesignpressure.Testtubeclamp

casingshouldbeaccordingtotheprovisionsofarticle(1).

ThetestpressureofB.gas.1)undertheinternalpressureof

thesteelandnonferrousmetalpipepressuretestpressure

shallbe1.15timesthedesignpressure,testpressurevacuum

pipeshouldbe0.2MPa.2)whendesignofpressurepipelineis

greaterthan0.6MPa,theremustbespecifiedinthedesign

documentorbythedesignunittoavailablepressurefor

pressuretest.

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Eighthpages,9pages

TheprovisionsofSH35011)forvacuumpiping0.2MPa;2)the

pressureofthehydraulicpressuretestfor1.5times;3)the

pressureoftheairpressuretestfor1.15timesthedesign.

4)pipelinepressuretest,testtemperature,stressvalueshall

complywiththefollowingprovisions:whenthedesign

temperatureishigherthanthetesttemperature,testpressure

pipingshal1becalculatedaccordingtothefollowing:Pt=KP0

[]1/[sigmaSigma]2typePt11testpressureMPa;[11o]1test

temperaturetheallowablestress,MPa[11;Sigma]2design

temperatureundertheallowablestress,MPa;K-coefficient,

liquidpressuretest1.5;gaspressuretestthestressvalue

of1.15.liquidpressuretest,shallnotexceed90%oftheyield

pointofthematerialundertesttemperature;airpressuretest

shallnotexceed%yieldpointofmaterialundertest

temperaturewhenthestressvalueshallnotexceedtheyield

pointofthematerialundertesttemperature80%.Morethan

materialtesttemperatureyieldHG20225andGB50235pointCJJ

33-89%isbasicallythesameastheprovisionsofthe1)gas

pipelinestrengthtestpressureshallbe1.5timesthedesign

pressure,steelpipeshallnotbelessthan0.3MPa;thecast

ironpipeshallnotbelessthan0.05MPa;2)strengthtest

pressureregulatoratbothendsoftheauxiliaryequipmentand

pipingshallbe1.5timesofthedesignpressuresealtest;

8.4.2C.shouldbeGB50235:pipelineleakagetestfor

transportingtoxicfluid,toxicfluid,mustbecarriedout

for.SHAlevelpipelinecombustiblefluidpipelineSH3501:

accordingtotherequirementsofdesigndocuments,SHBpipeline

accordingtothenatureofmediadecision

Pressurepipingmaterialpart

Eighthchapters

Codeforconstructionandacceptanceofpipelines

Ninthpages,9pages

HG20225:GB50235B.GB50235:testmediumshouldbeusedinair,

whenspecifiedinthedesigndocumentbyothermedia,according

tothedesignrequirementsofmediumSH3501:shouldadoptthe

ai