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Thaum nace siv tau?

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Thaum nace siv tau?
Thaum nace siv tau?

Video: Thaum nace siv tau?

Video: Thaum nace siv tau?
Video: khawv koob tua plab hlauv thiab plab txiav siv tau zoo heev nawb10/05/2022 2024, Tej zaum
Anonim

NACE tau tshaj tawm thawj tus qauv hauv xyoo 1975. Nws tsuas yog siv rau raj, khoom siv, thiab cov chaw ua haujlwm uas H2S tam sim no.

Vim li cas NACE thiaj xav tau?

NACE MR0175 yog lub npe: Petroleum thiab Natural Gas Industries - Cov khoom siv rau hauv H2S-muaj ib puag ncig hauv kev tsim roj thiab roj. Nws tau raug tshaj tawm raws li lus pom zoo ntawm qhov pib txwv ntawm H2S saum toj no uas kev ceev faj tiv thaiv ib puag ncig kev tawg yog suav tias tsim nyog

NACE pom zoo dab tsi?

A NACE MR0175 cov khoom ua raws (qee zaum tsis raug hu ua NACE cov khoom lossis NACE piping) yog cov khoom ua tau raws li txhua qhov kev xav tau ntawm NACE MR0175 thiab tuaj yeem siv hauv H 2S ib puag ncig hauv qhov txwv tsis pub dhau tus qauv.

NACE MR0103 yog dab tsi?

MR0103 xav kom welds hauv P-No. 1 cov ntaub ntawv carbon steelyuav tsum ua raws li txoj hauv kev tau teev tseg hauv NACE Standard RP0472 "Txoj Kev thiab Kev Tswj Xyuas Kom Tiv Thaiv Hauv Kev Pabcuam Ib Cheeb Tsam ntawm Carbon Steel Weldments hauv Corrosive Petroleum Refining Environments"16.

NACE tus qauv rau H2S kev pabcuam yog dab tsi?

NACE cov qauv uas cuam tshuam rau H2S ib nrab siab ntawm 0.05 phaus ib square inch kiag li (psia) feem ntau hais txog kev ntxhov siab tawg thiab kev ntxhov siab corrosion, thaum MMS txhais ntawm " H2S tam sim no "hais txog tib neeg kev nyab xeeb thiab tiv thaiv ib puag ncig rau H2S qhov sib npaug los yog tshaj 20 …

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