Nyob rau lub caij nyoog tam sim no ntawm kev loj hlob sai hauv kev tsim kho thiab kev lag luam hauv paus, cov kev daws teeb meem ntawm cov kav dej uas txhim khu kev qha thiab ruaj khov tau dhau los ua qhov tseem ceeb rau kev ua tiav ntawm qhov project. Ua tus thawj coj tsim cov kav hlau kauv thiab cov khoom siv txheej kav dej hauv Suav teb, Cangzhou Spiral Steel Pipes Group Co., Ltd. tau tsim tawmX70 SSAW Kab Yeeb Nkab, uas yog txhais cov cim tshiab ntawm Kab Yeeb Nkab nrog nws cov kev ua tau zoo tshaj plaws.
X70 pipeline yog ib yam khoom tseem ceeb ntawm cov hlau pipeline qib siab, nrog lub zog tso zis ntau dua 485 MPa, ua raws li cov qauv nruj xws li API 5L thiab GB / T 9711. Nws ua ke lub zog siab nrog kev tawv zoo heev thiab tuaj yeem yooj yim daws ntau yam teeb meem xws li kev siab siab thiab xeb hauv kev teeb tsa hauv av. Nws siv cov txheej txheem vuam submerged arc (SSAW) siab heev, qhov twg cov hlau strip yog qhov txhab helically thiab tom qab ntawd welded. Lub zog weld yog faib sib npaug, muab cov yeeb nkab tshwj xeeb compressive zog thiab corrosion tsis kam, tshwj xeeb tshaj yog haum rau cov yeeb nkab roj hauv av, kev tsim kho hauv paus, thiab lwm yam xwm txheej tseem ceeb. Cov lus qhia ntawm cov khoom lag luam ntau ntawm 219mm txog 3500mm, nrog ib qho ntev txog 35 meters, ua tau raws li qhov xav tau ntawm ntau yam kev tsim kho loj thiab cov ntawv thov tshwj xeeb.
Raws li kev sib sau ua ke ntawm kev siv tshuab txij li thaum nws tau tsim tsa xyoo 1993, Cangzhou Spiral Steel Pipes Group Co., Ltd. yog ib lub koom haum muaj zog: nws lub Hoobkas npog thaj tsam ntawm 350,000 square meters, nrog tag nrho cov cuab tam ntawm 680 lab yuan, thiab muaj 680 tus neeg ua haujlwm. Nws lub peev xwm tsim khoom txhua xyoo ntawm cov kav hlau kauv ncav cuag 400,000 tons, nrog rau tus nqi tsim tawm txhua xyoo ntawm 1.8 billion yuan. Lub tuam txhab tswj hwm tag nrho cov txheej txheem los ntawm kev xaiv cov khoom siv raw mus rau kev tshuaj xyuas cov khoom, ua ntau qhov kev sim xws li kev kuaj radiographic thiab kev kuaj pom qhov tsis zoo ultrasonic kom ntseeg tau tias lub neej ua haujlwm ntev thiab kev ua haujlwm ruaj khov. Raws li Kab Yeeb Nkab kev daws teeb meem uas sib xyaw ua ke zoo thiab kev hloov pauv tau, X70 SSAWKab Yeeb Nkabtsis yog tsuas yog tsim nyog rau kev thauj mus los roj av thiab dej hauv av xwb, tab sis kuj ua tau zoo hauv kev tsim cov kav dej ntev thiab cov xwm txheej xa dej hauv kev lag luam, ua rau muaj kev xaiv ntseeg siab rau cov haujlwm tsim kho vaj tse thoob ntiaj teb.
Lub sijhawm tshaj tawm: Lub Ob Hlis-28-2026