Amapayipi ahlanganisiwe e-Longitudinal Submerge-arc afushane epayipini le-LSAW uhlobo lwepayipi lensimbi elinomthungo wokushisela ohambisana nepayipi lensimbi ubude, kanti izinto zokusetshenziswa ziyipuleti lensimbi, ngakho-ke ubukhulu bodonga lwamapayipi e-LSAW bungaba nzima kakhulu isibonelo u-50mm, kanti ububanzi bangaphandle bukhawulelwe ku-1420mm kakhulu. Ipayipi le-LSAW linenzuzo yenqubo yokukhiqiza elula, ukusebenza kahle kokukhiqiza okuphezulu, izindleko eziphansi.
Ipayipi le-Double Submerged Arc Welded (DSAW) uhlobo lwepayipi lensimbi yomthungo lokushisela elijikelezayo elenziwe nge-coil yensimbi njengezinto zokusetshenziswa, ngokuvamile elifudumalayo futhi elishisiwe ngenqubo yokushisela ye-arc efakwe ngokuzenzakalela emaceleni amabili. Ngakho-ke ubude obubodwa bepayipi le-DSAW bungaba amamitha angu-40 kanti ubude obubodwa bepayipi le-LSAW bungamamitha angu-12 kuphela. Kodwa ubukhulu bodonga obukhulu bamapayipi e-DSAW bungaba ngu-25.4mm kuphela ngenxa yomkhawulo wama-hot rolled coils.
Isici esivelele sepayipi lensimbi elijikelezayo ukuthi ububanzi bangaphandle bungenziwa bube bukhulu kakhulu, i-Cangzhou Spiral Steel Pipes Group Co.ltd ingakhiqiza amapayipi amakhulu anobubanzi bangaphandle obungu-3500mm. Ngesikhathi senqubo yokwakha, ikhoyili yensimbi iyaguquguquka ngokulinganayo, ukucindezeleka okusele kuncane, futhi ubuso abuklwebheki. Ipayipi lensimbi elijikelezayo elicutshungulwayo linokuguquguquka okukhulu ebangeni lobukhulu bobubanzi nobukhulu bodonga, ikakhulukazi ekukhiqizweni kwepayipi elinobukhulu obukhulu, obukhulu bodonga, kanye nobubanzi obuncane obunobukhulu bodonga, obunezinzuzo ezingenakuqhathaniswa kunezinye izinqubo. Ingahlangabezana nezidingo eziningi zabasebenzisi ezicacisweni zepayipi lensimbi elijikelezayo. Inqubo yokushisela i-arc engaphansi kwezinhlangothi ezimbili ethuthukisiwe ingenza ukushisela endaweni engcono kakhulu, okungelula ukuba namaphutha njengokungahambisani kahle, ukuphambuka kokushisela kanye nokungena okungaphelele, futhi kulula ukulawula ikhwalithi yokushisela. Kodwa-ke, uma kuqhathaniswa nepayipi eliqondile lomthungo elinobude obufanayo, ubude bokushisela buyanda ngo-30 ~ 100%, futhi isivinini sokukhiqiza siphansi.
Isikhathi sokuthunyelwe: Novemba-14-2022