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API Yeeb Nkab piv rau 3PE Yeeb Nkab: Kev Tshawb Fawb Txog Kev Ua Haujlwm hauv Pipeline Engineering


Cov Yeeb Nkab API piv rau Cov Yeeb Nkab 3PE

Hauv cov haujlwm engineering loj xws li roj, roj av, thiab dej hauv nroog, cov kav dej ua lub hauv paus ntawm txoj kev thauj mus los, thiab lawv qhov kev xaiv ncaj qha txiav txim siab qhov kev nyab xeeb, kev lag luam, thiab kev ruaj khov ntawm qhov project. Cov kav dej API thiab cov kav dej 3PE, ob yam khoom siv kav dej uas siv dav dav, feem ntau yog qhov tseem ceeb los ntawm cov pab pawg engineering. Txawm li cas los xij, lawv txawv ntawm cov qauv tsim, cov yam ntxwv kev ua tau zoo, thiab cov xwm txheej siv tau. Kev nkag siab zoo txog lawv cov yam ntxwv yog qhov tseem ceeb rau kev txhim kho qhov zoo ntawm qhov project.

Kev Txhais Lus thiab Cov Xwm Txheej Tseem Ceeb ntawm Daim Ntawv Thov

API 5L YEEB YAJ KUB-YEEB YAJ KUB HLAU

Cov yeeb nkab API, luv rau "American Petroleum Institute Standard Steel Pipe," yog tsim tawm raws li cov qauv thoob ntiaj teb xws liAPI 5L yeeb nkab hlau. Nws yog tsim los ntawm cov hlau muaj zog thiab tsim los ntawm kev sib txuas lossis vuam seamless. Nws lub zog tseem ceeb yog nyob rau hauv nws lub zog siab thiab tensile, ua rau nws dav siv rau hauv cov ntawv thov siab xws li cov roj thiab cov kav dej roj ntev thiab shale gas wellhead manifolds. Nws cov qauv ruaj khov hauv qhov kub thiab txias heev xws li -40 ° C txog 120 ° C ua rau nws yog ib qho tseem ceeb ntawm kev thauj mus los ntawm lub zog.

3PE YEEB YAJ KUB - ROYAL GROUP

3PE yeeb nkab yog ib lub yeeb nkab uas txhais tau tias "peb txheej polyethylene tiv thaiv xeb yeeb nkab hlau." Nws siv cov yeeb nkab hlau ib txwm ua lub hauv paus, txheej nrog peb txheej tiv thaiv xeb uas muaj epoxy hmoov txheej (FBE), nplaum, thiab polyethylene. Nws lub hauv paus tsim tsom mus rau kev tiv thaiv xeb, ua kom lub yeeb nkab lub neej ntev dua los ntawm kev cais cov kab mob hauv av thiab electrolytes ntawm lub hauv paus yeeb nkab hlau. Hauv cov chaw muaj xeb heev xws li kev muab dej hauv nroog, kev kho dej phwj tuaj, thiab kev thauj mus los ntawm cov kua tshuaj, 3PE yeeb nkab tuaj yeem ua tiav lub neej ua haujlwm ntau dua 50 xyoo, ua rau nws yog ib qho kev daws teeb meem tiv thaiv xeb rau kev tsim cov yeeb nkab hauv av.

Kev Sib Piv Txog Kev Ua Tau Zoo Tseem Ceeb

Los ntawm qhov kev ua tau zoo tseem ceeb, ob lub kav dej sib txawv ntawm lawv qhov chaw. Hais txog cov khoom siv kho tshuab, API yeeb nkab feem ntau muaj lub zog tso zis siab dua 355 MPa, nrog rau qee qib muaj zog siab (xws liAPI 5L X80) ncav cuag 555 MPa, muaj peev xwm tiv taus kev ua haujlwm siab tshaj 10 MPa. 3PE yeeb nkab, ntawm qhov tod tes, feem ntau yog siv cov yeeb nkab hlau rau lub zog, thiab txheej tiv thaiv xeb nws tus kheej tsis muaj peev xwm tuav siab, ua rau nws tsim nyog dua rau kev thauj mus los nruab nrab thiab qis siab (feem ntau ≤4 MPa).

Cov kav dej 3PE muaj qhov zoo dua hauv kev tiv thaiv xeb. Lawv cov qauv peb txheej tsim ob txheej thaiv ntawm "kev cais tawm lub cev + kev tiv thaiv tshuaj lom neeg." Kev sim tshuaj tsuag ntsev qhia tau tias lawv qhov kev xeb tsuas yog 1/50 ntawm cov kav dej hlau liab qab. ThaumCov kav dej APItuaj yeem tiv thaiv tau xeb los ntawm kev galvanizing thiab pleev xim, lawv cov txiaj ntsig zoo hauv kev faus lossis hauv qab dej tseem qis dua li ntawm 3PE cov kav dej, xav tau cov txheej txheem tiv thaiv cathodic ntxiv, uas ua rau cov nqi project nce ntxiv.

Cov Tswv Yim Xaiv thiab Cov Qauv Kev Lag Luam

Kev xaiv qhov project yuav tsum ua raws li lub hauv paus ntsiab lus ntawm "scenarios fit": Yog tias cov khoom siv thauj khoom yog cov roj lossis roj siab, lossis qhov chaw ua haujlwm muaj kev hloov pauv kub ntau, cov kav dej API yog qhov zoo dua, nrog cov qib hlau xws li X65 thiab X80 raug phim rau qhov ntsuas siab. Rau kev thauj dej faus lossis tshuaj lom neeg, cov kav dej 3PE yog qhov kev xaiv pheej yig dua, thiab qhov tuab ntawm cov txheej tiv thaiv xeb yuav tsum tau kho raws li qib av corrosion.

Tam sim no kev lag luam yog "kev sib xyaw ua ke ntawm kev ua tau zoo." Qee lub tuam txhab tab tom sib xyaw cov khoom siv lub hauv paus muaj zog siab ntawm API yeeb nkab nrog peb txheej txheej tiv thaiv xeb ntawm 3PE yeeb nkab los tsim "cov yeeb nkab sib xyaw ua ke muaj zog siab tiv thaiv xeb." Cov yeeb nkab no ua tau raws li qhov xav tau ntawm kev xa hluav taws xob siab thiab kev tiv thaiv xeb mus sij hawm ntev. Cov yeeb nkab no twb tau siv dav hauv kev tsim roj thiab roj av tob thiab cov haujlwm hloov dej ntawm cov pas dej. Txoj hauv kev tshiab no muab kev daws teeb meem zoo dua rau kev tsim kho kav dej.

Ob qho tib si qhov kev tawv siab ntawm cov yeeb nkab API thiab qhov kev tiv thaiv xeb ntawm cov yeeb nkab 3PE yog cov kev xaiv tseem ceeb hauv kev ua haujlwm engineering. Kev nkag siab txog lawv qhov sib txawv ntawm kev ua tau zoo thiab qhov laj thawj tom qab lawv xaiv tuaj yeem ua kom ntseeg tau tias cov kab ke kav dej muaj kev nyab xeeb, txhim khu kev qha, thiab tsim nyog tus nqi, muab lub hauv paus ruaj khov rau kev tsim kho vaj tse.

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