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Daim ntawv thov zoo ntawm carbon fiber nyob rau hauv kev txhawb zog thiab tiv thaiv corrosion ntawm submarine pipelines

Views:83 Author: Tshaj Tawm Sijhawm: 2022-11-14 keeb kwm:

           Submarine pipelines hu ua lifeline of offshore oil and gas field development and the most effective and safest means of transport for offshore oil and gas resource development. Txawm li cas los xij, vim qhov kev pabcuam hnyav ntawm cov raj xa dej, nws qhov ua tau tsis zoo, cov txheej txheem kev pabcuam tsis cuam tshuam rau lub sijhawm ntev, thiab muaj ntau yam tsis paub meej, kev xeb, kev puas tsuaj, thiab kev puas tsuaj ntawm cov kav dej yog qhov tsis muaj kev cuam tshuam, thiab qhov muaj nyob ntawm no. qhov tsis xws luag ua rau muaj kev nyab xeeb ua haujlwm ntawm cov kav dej. , yog tias tsis kho thiab kho raws sijhawm, nws yuav ua rau muaj kev puas tsuaj loj thiab kev sib tsoo.

Subsea pipeline

            Tam sim no, kev kho thiab txhim kho cov kav dej feem ntau siv cov kev kho xws li hloov cov kav dej, vuam, cov khoom siv sib txuas, thiab cov khoom sib xyaw. Cov pa roj carbon fiber ntau cov cuab yeej siv cuab yeej cuab tam yog ib hom kev kho cov khoom siv sib xyaw. Cov pa roj carbon fiber ntau yog coated nrog cov khoom sib txuas los tsim cov txheej txheem kev txhawb nqa sab nraum lub raj xa dej, sib koom cov khoom thauj ntawm cov raj xa dej thiab txo cov kev ntxhov siab thiab kev nyuaj siab ntawm cov yeeb nkab phab ntsa, yog li rov kho lossis txhim kho cov kav dej. Lub peev xwm siab-cov kabmob tam sim no yog qhov zoo tshaj plaws kev kho thiab kev txhawb nqa technology.

   Carbon fiber ntau daim ntawv kho steel pipeline qauv yog ib hom kev kho cov qauv thiab cov cuab yeej txhawb nqa tsim nyob rau xyoo 1990. Cov thev naus laus zis no muaj nuj nqis heev hauv ntiaj teb thiab tau siv dav hauv cov nroj tsuag tshuaj, vaj tse hauv vaj tse, txuas hniav, thiab lwm yam khoom tshwj xeeb. Nws tau dhau los ua txoj kev loj hlob ntawm steel pipeline qauv kho thiab kev txhawb zog. Piv nrog rau cov txheej txheem kho cov khoom siv hlau tsoos, qhov kho tshuab no muaj tsib qhov zoo, ib qho yog siab tensile zog thiab lub zog modulus, thiab zoo heev creep kuj; Kev tsim txheej txheej ntawm cov khoom siv yog nqa tawm raws li qhov xwm txheej quab yuam; qhov thib peb yog kom muaj ntau yam txheej txheem tsim, uas tuaj yeem kho thiab ntxiv dag zog rau cov kav dej nrog thaj chaw loj lossis cov txheej txheem nyuaj, nrog rau cov yeeb nkab tsis sib xws xws li lub luj tshib, tees, thiab lub taub hau loj thiab me; Plaub, kev tsim kho yog yooj yim thiab ceev, thiab kev kho thiab kev txhawb zog Lub sij hawm kho kom zoo yog luv luv thiab tus nqi qis; qhov thib tsib yog qhov zoo ntawm tsis muaj vuam, tsis muaj hluav taws kub, kev kho siab, thiab kev pheej hmoo tsawg.

            Hauv 10 xyoo dhau los, carbon fiber composite kho thev naus laus zis tau siv ntau thiab ntau dua hauv kev kho cov kav dej uas muaj kev xeb loj heev, kev puas tsuaj, tawg, thiab tawg. Cov pa roj carbon fiber ntau txhim khu kev txhim kho qhov system muaj plaub ntu: cov ntaub ntawv carbon fiber, nplaum nplaum nplaum, primer, thiab tus neeg saib xyuas tshwj xeeb. Lawv ua hauj lwm ua ke ntawm lub raj xa dej tag nrho. Thaum siv cov pa roj carbon fiber ntau cov khoom siv kho kom kho qhov tsis xws luag, ua ntej siv cov khoom ua kom tiav los sau cov khoom tsis xws luag, thiab tom qab ntawd cua cov khoom siv carbon fiber ntau uas muaj cov roj carbon fiber ntau thiab epoxy binder sab nraum lub raj xa dej los tsim cov khoom sib xyaw ua ke sab nraud. lub raj xa dej. Pem teb. Cov txheej txheem filling muaj zoo heev compressive zog tom qab kho. Cov pa roj carbon fiber ntau muaj lub zog tensile siab heev thiab elastic modulus tom qab kho. Nws yuav txwv cov radial expansion thiab deformation ntawm qhov tsis xws luag los ntawm kev sau cov resin, txo qhov tensile kev nyuaj siab thiab strain ntawm qhov tsis xws luag, thiab txwv qhov kev ntxhov siab concentration ntawm qhov tsis xws luag ntawm cov kav dej, kom ua tiav qhov kev txhawb nqa thiab kho cov kav dej thiab kho cov kav dej. ib txwm siab bearing muaj peev xwm ntawm cov kav dej. , txo qhov kev pheej hmoo ntawm cov kav dej.

             Cov pa roj carbon fiber ntau cov khoom siv kho qhov system siv nws tus neeg kho tshwj xeeb los sau thiab theem qhov tsis xws luag. Tom qab kho, tus neeg saib xyuas tshwj xeeb muaj lub zog compressive zoo tshaj 100MPa. Tus neeg saib xyuas kho tshwj xeeb thiab epoxy primer muaj nuj nqi kom xa cov siab ntawm cov yeeb nkab phab ntsa hauv cov kev taw qhia radial. Cov pa roj carbon fiber ntau thiab epoxy resin raug mob sab nraum cov yeeb nkab, thiab cov khoom siv carbon fiber ntau yog tsim tom qab cov resin kho. Cov khoom siv carbon fiber ntau muaj lub zog tensile siab tom qab kho. Nws tuaj yeem kis tau lub siab los ntawm tus neeg saib xyuas tshwj xeeb kho thiab qhov adhesion ntawm nws tus kheej thiab cov yeeb nkab, sib koom cov yeeb nkab Lub siab sab hauv tuaj yeem txwv qhov kev nthuav dav thiab deformation ntawm cov kav dej, txo cov tensile kev nyuaj siab thiab strain ntawm qhov tsis xws luag, thiab paub qhov kev txhawb nqa thiab kho qhov tsis xws luag ntawm cov kav dej.

Cov pa roj carbon fiber ntau cov khoom siv txhawb nqa thiab kho tshuab yog qhov muaj kev nyab xeeb thiab txhim khu kev qha cov raj xa hluav taws xob thiab kho tshuab, uas tuaj yeem kho thiab ntxiv dag zog rau cov teeb meem xws li cov kav dej xeb thiab kev puas tsuaj. Nrog rau kev tshawb fawb tob zuj zus ntawm cov ntaub ntawv carbon fiber ntau, daim ntawv thov teb ntawm cov ntaub ntawv carbon fiber ntau yuav txuas ntxiv.   


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