Set-pressure-verification-安全閥設(shè)定壓力校正的計算Trevitest-on-line課件

上?？肆_斯閥門有限公司

ShanghaiCLOSValveCo.,LtdTreviteston-linevalvetesting安全閥在線校驗Deliveringimprovedvalveefficiency

提高和改善閥門的工作效率上海克羅斯閥門有限公司W(wǎng)hyTrevitest?

為什么要采用安全閥在線校驗裝置Reductioninfuelcosts降低燃料成本Reductionincommissioningtime減少系統(tǒng)試車時間Reductioninvalvewearandtear減少閥門的磨損Reductioninvesselpressureexcursionsleadingtolongerlife減少容器壓力的偏離從而延長使用壽命Controlledtestingatlowerpressure在正常操作溫度下進行實驗,不需要溫度補償調(diào)整壓力Replacingtheboilerfloatgivesthefollowingadvantages代替水壓測試,具有如下優(yōu)點Treviteston-linevalvetestingWhyTrevitest?

為什么要采用安全閥在線校驗裝置

Treviteston-linevalvetestingTraditionalset-point

verification傳統(tǒng)的閥門校驗Traditionalset-pointtestinginvolvesraisinglinepressureandrecordingtheset-pointofthevalve傳統(tǒng)的閥門校驗需要提高在線壓力和記錄閥門的設(shè)定壓力Limitations

局限性Uneconomical-increasedfuelcosts不經(jīng)濟-增加了燃料成本Compromisesplantsafety-unnecessarilyraisinglinepressure由于不必要的提高在線運行壓力,影響系統(tǒng)安全Environmental-highlevelsofnoise有噪聲污染Treviteston-linevalvetesti

Treviteston-linevalvetestingWhatisTrevitestOn-linevalvetesting?什么是安全閥在線校驗

Trevitestisasystemdevelopedallowthesetpressureofsafetyvalvestobeverifiedandrecordedwithouttheneedtoraiselinepressure安全閥在線校驗裝置1979年出現(xiàn),不必提高在線運行壓力,就可以對安全閥的設(shè)定壓力進行校正和記錄.Treviteston-linevalvetestiTheadvantagesofTrevitest

Forroutineinspection:對于正常檢驗而言Eliminatestheneedtoshutdowntheprocess避免系統(tǒng)停車Valvere-certificationon-line(setpressureverification)閥門的設(shè)定壓力調(diào)整可在線進行Eliminatestheneedfortemperaturecompensation由于在正常操作溫度下進行實驗，不需要溫度補償調(diào)整壓力EnablesvalvestobealignedtodelayedoutagesEnableslongerperiodsbetweenoutagestobeplanned

Forcorrectiveaction:對于校正活動而言Testingvalveforoperationalreadiness測試閥門為系統(tǒng)運行做準(zhǔn)備Measuringvalvelift可以測試閥門的起跳Providegoodindicationsforvalve’sblow-downsettings可以指示出閥門的排放設(shè)定Providegoodindicationforspringperformance可以指示彈簧性能Setpressureupgradingon-lineuponplantrequirement可根據(jù)工廠要求,提升設(shè)定壓力

Forsafety:從安全性的角度Valveisfreetooperatewiththemechanicsinplace.通過機械裝置來操作閥門Remoteoperationtypically20mbutcanbeextended可以２０米遠(yuǎn)的距離遙控操作．操作距離也可以延長．Equipmentavailabletoworkinhazardousareas設(shè)備可以在危險環(huán)境下工作Securebaseplateenablesvalvetobeforcedclosed安全底板可以使閥門強制關(guān)閉．

Treviteston-linevalvetestingTheadvantagesofTrevitestTrevitestequipmentinplaceon

safetyreliefvalve

Treviteston-linevalvetestingTrevitestequipmentinplaceoTODETERMINESETPRESSURE確定設(shè)定壓力

Pstt=Ftt/MSA+PlWhere:Pstt=setpressureaspredictedbyTrevitest設(shè)定壓力

Ftt=forcerecordedbyTrevitest作用力

MSA=valvemeanseatarea閥門密封面的面積

Pl=pressureinline(zeroforcoldtesting)

系統(tǒng)在線壓力

TODETERMINEVALVESPRING`ADJUSTMENTRATE(Pstt1–Pstt2)/XWhere:Pstt1=firstTrevitestsetpressurePstt2=secondTrevitestsetpressureX=springadjustmentCalculations:Setpressureverification安全閥設(shè)定壓力校正的計算

Treviteston-linevalvetestingTODETERMINESETPRESSURE確定設(shè)定壓Extendedrunningand

re-certification

延長運行壽命

IncorporatingTrevitestaspartofthevalveoverhaulstrategywillincreaseintervalsbetweenshutdowns(benchmarking)andsavecustomerstimeandmoney應(yīng)用安全閥在線校驗裝置在閥門的維護方面，可以增加系統(tǒng)停車的間隔時間從而為客戶節(jié)省時間和成本Valvescanberecertifiedin-situtoallowasystemtocomplywithplantregulations閥門可以在線校驗從而使系統(tǒng)滿足工廠的總體要求．Treviteston-linevalvetestingExtendedrunningand

re-certiSystempressureandback-pressure帶背壓和不帶背壓的系統(tǒng)AmajorpartoftheTrevitestsetpressurecalculationisthelinepressure.Thismustbeaccuratelydetermined,typically+/-0.5%安全閥設(shè)定壓力計算的一個主要部分是系統(tǒng)壓力．這必須精確確定．通常誤差在＋／－０.5%.ValveswithnobackpressurecanbeTrevitested無背壓的閥門能夠在線校驗ValveswithabackpressurecanalsobeTrevitested,buttheymusthaveabellowsfitted帶背壓的閥門也可以在線校驗.但必須附加一個波紋管.

Treviteston-linevalvetestingSystempressureandback-pres

Trevitestaccuracy:Loadcell

calibrationrig安全閥在線校驗的精度保證,負(fù)荷單元工作原理

Treviteston-linevalvetesting

Trevitestaccuracy:Trevite

TrevitestEquipment:

Recent

developments

近期的發(fā)展RuggedcomputersusedduringthetestDataacquisitionandmanagementnowcomputerisedAcoustictransduceraddedtomonitorvalveleakageandaidsetpressurereadingCustomerdatabaseforallvalvesIncreasedaccuracy-setpointcanbemagnifiedTreviteston-linevalvetestingTrevitestEquipment:

Re

WhatvalvescanbeTrevitested?

Treviteston-linevalvetestingPVvalveclosed(normalposition)Asageneralrule:Valves1”nb.andgreaterwithaprotrudingspindle/stem.Alowforcerigmaybeusedforverysmallvalves–accuracycanbecompromisedPilotoperatedvalvesequippedwithfieldtestportWhatvalvescanbeTrevitesHowtoestablishifavalvecanbeTrevitested?Treviteston-linevalvetestingHowtoestablishifavalvecaTrevitestingvalveswithbackpressureTreviteston-linevalvetestingTrevitestingvalveswithback

Treviteston-linevalvetestingExampleofvalveinformationrequiredtoestablishTrevitestcompatibilityTrevitestcompatibility

Treviteston-linevalvetestIncorporatingtheuseoftheTrevitestSystemwithavalveoverhaulstrategywillsavecustomer’stimeandmoney;byincreasedintervalsbetweenshutdowns(Benchmarking)Valvescanbere-certifiedin-situtoallowasystemtocomplywithplantregulationsExtendedrunningandre-certificationTreviteston-linevalvetestingExtendedrunningandPre-requisiteform

Treviteston-linevalvetestingRecessedspindle(asdiagramB)Pre-requisiteformTrevitestoCompaniesusingTrevitestADGASUAEKNPCKuwaitConocoHuntsmanL.O.R.EssoTexacoBakerPetroliteHydroPolymersBritishGasBritishEnergyBNFL/MagnoxGPICBahrainQAFCOQatarPDOOmanPGSProduction(Banff)BleoHolmBritanniaShellExpro:-(Gannet,NorthCormorant,CormorantAlpha)BHPDouglasShellStanlowBPMobil/ExxonTranscoGlaxoSmithKline

Treviteston-linevalvetestingCompaniesusingTrevitestADGAS

上?？肆_斯閥門有限公司

ShanghaiCLOSValveCo.,LtdTreviteston-linevalvetesting安全閥在線校驗Deliveringimprovedvalveefficiency

提高和改善閥門的工作效率上海克羅斯閥門有限公司W(wǎng)hyTrevitest?

為什么要采用安全閥在線校驗裝置Reductioninfuelcosts降低燃料成本Reductionincommissioningtime減少系統(tǒng)試車時間Reductioninvalvewearandtear減少閥門的磨損Reductioninvesselpressureexcursionsleadingtolongerlife減少容器壓力的偏離從而延長使用壽命Controlledtestingatlowerpressure在正常操作溫度下進行實驗,不需要溫度補償調(diào)整壓力Replacingtheboilerfloatgivesthefollowingadvantages代替水壓測試,具有如下優(yōu)點Treviteston-linevalvetestingWhyTrevitest?

為什么要采用安全閥在線校驗裝置

Treviteston-linevalvetestingTraditionalset-point

verification傳統(tǒng)的閥門校驗Traditionalset-pointtestinginvolvesraisinglinepressureandrecordingtheset-pointofthevalve傳統(tǒng)的閥門校驗需要提高在線壓力和記錄閥門的設(shè)定壓力Limitations

局限性Uneconomical-increasedfuelcosts不經(jīng)濟-增加了燃料成本Compromisesplantsafety-unnecessarilyraisinglinepressure由于不必要的提高在線運行壓力,影響系統(tǒng)安全Environmental-highlevelsofnoise有噪聲污染Treviteston-linevalvetesti

Treviteston-linevalvetestingWhatisTrevitestOn-linevalvetesting?什么是安全閥在線校驗

Trevitestisasystemdevelopedallowthesetpressureofsafetyvalvestobeverifiedandrecordedwithouttheneedtoraiselinepressure安全閥在線校驗裝置1979年出現(xiàn),不必提高在線運行壓力,就可以對安全閥的設(shè)定壓力進行校正和記錄.Treviteston-linevalvetestiTheadvantagesofTrevitest

Forroutineinspection:對于正常檢驗而言Eliminatestheneedtoshutdowntheprocess避免系統(tǒng)停車Valvere-certificationon-line(setpressureverification)閥門的設(shè)定壓力調(diào)整可在線進行Eliminatestheneedfortemperaturecompensation由于在正常操作溫度下進行實驗，不需要溫度補償調(diào)整壓力EnablesvalvestobealignedtodelayedoutagesEnableslongerperiodsbetweenoutagestobeplanned

Forcorrectiveaction:對于校正活動而言Testingvalveforoperationalreadiness測試閥門為系統(tǒng)運行做準(zhǔn)備Measuringvalvelift可以測試閥門的起跳Providegoodindicationsforvalve’sblow-downsettings可以指示出閥門的排放設(shè)定Providegoodindicationforspringperformance可以指示彈簧性能Setpressureupgradingon-lineuponplantrequirement可根據(jù)工廠要求,提升設(shè)定壓力

Forsafety:從安全性的角度Valveisfreetooperatewiththemechanicsinplace.通過機械裝置來操作閥門Remoteoperationtypically20mbutcanbeextended可以２０米遠(yuǎn)的距離遙控操作．操作距離也可以延長．Equipmentavailabletoworkinhazardousareas設(shè)備可以在危險環(huán)境下工作Securebaseplateenablesvalvetobeforcedclosed安全底板可以使閥門強制關(guān)閉．

Treviteston-linevalvetestingTheadvantagesofTrevitestTrevitestequipmentinplaceon

safetyreliefvalve

Treviteston-linevalvetestingTrevitestequipmentinplaceoTODETERMINESETPRESSURE確定設(shè)定壓力

Pstt=Ftt/MSA+PlWhere:Pstt=setpressureaspredictedbyTrevitest設(shè)定壓力

Ftt=forcerecordedbyTrevitest作用力

MSA=valvemeanseatarea閥門密封面的面積

Pl=pressureinline(zeroforcoldtesting)

系統(tǒng)在線壓力

TODETERMINEVALVESPRING`ADJUSTMENTRATE(Pstt1–Pstt2)/XWhere:Pstt1=firstTrevitestsetpressurePstt2=secondTrevitestsetpressureX=springadjustmentCalculations:Setpressureverification安全閥設(shè)定壓力校正的計算

Treviteston-linevalvetestingTODETERMINESETPRESSURE確定設(shè)定壓Extendedrunningand

re-certification

延長運行壽命

IncorporatingTrevitestaspartofthevalveoverhaulstrategywillincreaseintervalsbetweenshutdowns(benchmarking)andsavecustomerstimeandmoney應(yīng)用安全閥在線校驗裝置在閥門的維護方面，可以增加系統(tǒng)停車的間隔時間從而為客戶節(jié)省時間和成本Valvescanberecertifiedin-situtoallowasystemtocomplywithplantregulations閥門可以在線校驗從而使系統(tǒng)滿足工廠的總體要求．Treviteston-linevalvetestingExtendedrunningand

re-certiSystempressureandback-pressure帶背壓和不帶背壓的系統(tǒng)AmajorpartoftheTrevitestsetpressurecalculationisthelinepressure.Thismustbeaccuratelydetermined,typically+/-0.5%安全閥設(shè)定壓力計算的一個主要部分是系統(tǒng)壓力．這必須精確確定．通常誤差在＋／－０.5%.ValveswithnobackpressurecanbeTrevitested無背壓的閥門能夠在線校驗ValveswithabackpressurecanalsobeTrevitested,buttheymusthaveabellowsfitted帶背壓的閥門也可以在線校驗.但必須附加一個波紋管.

Treviteston-linevalvetestingSystempressureandback-pres

Trevitestaccuracy:Loadcell

calibrationrig安全閥在線校驗的精度保證,負(fù)荷單元工作原理

Treviteston-linevalvetesting

Trevitestaccuracy:Trevite

TrevitestEquipment:

Recent

developments

近期的發(fā)展RuggedcomputersusedduringthetestDataacquisitionandmanagementnowcomputerisedAcoustictransduceraddedtomonitorvalveleakageandaidsetpressurereadingCustomerdatabaseforallvalvesIncreasedaccuracy-setpointcanbemagnifiedTreviteston-linevalvetestingTrevitestEquipment:

Re

WhatvalvescanbeTrevitested?

Treviteston-linevalvetestingPVvalveclosed(normalposition)Asageneralrule:Valves1”nb.andgreaterwithaprotrudingspindle/stem.Alowforcerigmaybeusedforverysmallvalves–accuracycanbecompromisedPilotoperatedvalvesequippedwithfieldtestportWhatvalvescanbeTrevites