Okoa ma waena o uoe a mepaipu jcoe

ʻO ka nui-caliber, ke kiʻekiʻe o ka lawe ʻana, ka lōʻihi o ka lawe ʻana a me nā ʻano o nā ʻano mea halihali he hōʻailona nui o ka holomua ʻenehana ʻoihana pipeline, akā ʻo ke ʻano maʻamau o ka ulu ʻana o ka ʻoihana pipeline.Me ka hoʻomohala ʻana o ka ʻoihana aila o Kina, ʻo ka laina kinoea, laina lua, a me nā papahana nui ʻē aʻe e hoʻomau nei, ke anawaena nui, ka mānoanoa o ka pā o ka pipeline kiʻekiʻe, e hoʻomaikaʻi nui ana i ka noi.ʻAʻole hiki ke hoʻokō i ka paipu kuʻina spiral seam welded maʻamau i nā koi e pili ana i ka hiki a me ka hana palekana, ke anawaena nui, ka mānoanoa o ka paia, nā paipu LSAW kiʻekiʻe e pani i ka paipu spiral welded ua lilo i mea hiki ʻole.Ua hoʻohana nui ʻia ka paipa LSAW i nā ʻāina ʻē no ka aila a me ke kinoea o ka laina pahu kiʻekiʻe.I nā makahiki i hala iho nei, e hoʻokumu mālie ʻia ka ʻāina i ka hiki ke hana paipu LSAW, ka ʻenehana UOE mainstream pipe a me ka JCOE o ka ʻenehana.

Me ka hoʻomaikaʻi ʻana i ka pae kila, ka hana ʻana o ka pipeline, ke kuʻi pololei ʻana i ka arc welded paipu e lilo i mea koho mua o ka hapa nui o ka laina kumu nui, ʻoi aku hoʻi i ke ʻano kūlohelohe kūlohelohe, ka pipeline moana nui.“West-East Gas Pipeline Project, no ʻelua, ʻekolu, ʻehā ʻano o ka nui caliber straight seam submerged arc welded pipe, 14% ua hana ʻia ʻo JCOE paipu, a ʻo ke koena i lawe ʻia mai UOE paipu.

UOE kaʻina hana

Mea ma luna o ka mea hoʻololi pā kila→hoʻomaʻemaʻe→hoʻolei mau→pāpaʻi→wiliwili papa arc→Milling→mua→U humuhumu→E ka wai puʻe kiʻekiʻe→maloʻo→presoldering→wiliwili→hoʻokuʻu ʻia ʻana o ka flange e wehe ʻia i ka papa arc→wili a me ka paipu→paipu hope hoonui anawaena o ka hopena o ka ultrasonic nä hewa 'ike→Nānā X-ray→Paipu→wiliwili hope paipu i poʻi ʻia→hoʻāʻo hydrostatic→weld paipu hopena X-ray ka ho'āʻo ultrasonic o ka weld a me ka paipu hopena hopena o ka stratification a me ka magnetic particle inspection.→remanence demagnetization→ka nana hale hana→ke kaupaona ana→chamfer→ana ka lōʻihi o ke apo kiaʻi→kaha hoʻopāpā→hoʻouna hoʻopaʻa ʻia

Kaʻina hana JCOE

mea hou-→e kau ana i ka hakahaka→ʻimi papa→pāpaʻi→e hoʻolālā i ka curl ma mua o ka demi plate (J molding) maʻka lihi papa→wehe→komo demi kila pā (C molding) demi steel plate→wiliwili→wehe i waho→kūlou→pre-welded→wiliwili ʻia ka (quenching) arc board→wiliwili→Weld root Qing→hoʻopau hoʻoponopono mechanical i ka hōʻike hydrostatic i ʻōlelo ʻia (hoʻopau i waho) arc i ka papa→nānā ultrasonic→hoʻonui mechanical→paipu hope o ke kani kani ultrasonic apo→Nānā X-ray→ʻO ka nānā ʻana i ka ʻāpana magnetic o ka nānā ʻana o ka huahana i hoʻopau ʻia→ke kaupaona ʻana a me ke ana ʻana i ka lōʻihi o ka hoʻāʻo stratification UT→waho anticorrosion→ʻinoʻino o loko→hoailona→hāʻawi ʻana

Iecaianoaaiiuo o UOE a me JCOE, okoa huahana differentiation

ʻO ka ʻike mai nā kaʻina hana ʻelua, ʻelua i ke kaʻina hana o ka mua a me ka hope, ʻo ia ka mea like ʻole, ʻo ka ʻokoʻa nui loa ʻo ia ke ʻano hana.ʻO ka hoʻokumu ʻana o ka UOE he ʻelua mau ʻanuʻu: ʻo ka hana U a me ka hoʻoheheʻe O.A ua māhele ʻia ʻo JCOE i ʻāpana o ka papahana i ʻeono mau ʻāpana, hoʻemi nui ʻia ka hana hana.Hoʻokumu ʻana i nā ala ʻokoʻa, e alakaʻi ana i ka ʻokoʻa UOE a me JCOE i ke anawaena, ka mānoanoa o ka paia, nā ana, ka pono hana, ka lākiō hua.

ʻO ka paipu laina UOE a me ka JCOE o ka paipu paipu mai ka hoʻohālikelike hoʻohālikelike o ke kaʻina hana a me ke kumukūʻai hana, nā hopena aʻe:

(1) UOE hana pono, hiki, a me ke pani hou o ka mold i ka manawa lōʻihi, i kūpono no ka hana

(1) UOE hana pono, hiki, a me ka hoololi ana o ka mold lōʻihi manawa, 'oi aku ka pono no ka hana ana i ka nui nui, ka huahana o ka hoʻokahi kiko'ī;ka hana ʻana ʻaʻole maikaʻi ʻo JCOE, kahi mol e pili ana i nā ʻano kikoʻī like ʻole, ʻoi aku ka maikaʻi no ka hana ʻana i ka leo liʻiliʻi, nā huahana multi-specification.

(2) ka UOE hua huahana anawaena laula a me ka mānoanoa mea e emi ma mua o JCOE, akā, piha hiki ke hoʻokō i nā koi o ka papahana.

(3) Mai ka hana manaʻo, UOE laina paipu hoʻohālikelike JCOE i koe koʻikoʻi koʻikoʻi, kiʻekiʻe precision Ana ana hua pono ma mua o ka liʻiliʻi.