Ekwakhiweni kwesiseko seebhulorho, iidokhi, kunye nezakhiwo ezinde kakhulu, umgangatho wesiseko seenqwaba umisela ngokuthe ngqo ukhuseleko kunye nobomi beprojekthi yonke. Ukuba ubulandelaUkufaka iipayipi ezine-Interlock kutshanje, okanye ngoku bakhethaIipayipi Zokunqwabela Ezinkulukwiprojekthi yakho, ngokuqinisekileyo uya kudibana nenkqubo ethile -I-Arc efakwe kabini emanzini i-Welded, eyaziwa ngokuba yipayipi edibeneyo ye-arc straight seam welded enecala eliphindwe kabini.
Kutheni ke ngoko amaqela obunjineli amaninzi ekhetha ukusebenzisa olu hlobo lweepayipu? Impendulo ilula kakhulu: uzinzo.
Okokuqala, iipayipi zeepali ezinoyilo oludibeneyo zisombulule iingxaki zokufuduka kunye nokungahambi kakuhle okunokwenzeka kwiipayipi zendabuko ezijikelezileyo ngexesha lokwakhiwa kweepali zeqela. Ulwakhiwo oludibeneyo lwenza ukuba ipayipi nganye "ilume" kunye, yenze umphezulu omnye othwala amandla, nto leyo ephucula kakhulu ukumelana nempembelelo ecaleni. Ngaphezu koko, iipayipi zeepali ezinkulu ngokwemvelo zenza umsebenzi wokudlulisela umthwalo ophezulu kwi-stratum yokuthwala enzulu. Okukhona ububanzi bukhulu, kokukhona amandla okuthwala iipali enye ephezulu, nto leyo enokunciphisa inani leepali ezisetyenzisiweyo kwaye ingabizi kakhulu.
Masithethe ngenkqubo yokuwelda. Inzuzo yokuwelda i-arc engaphantsi kwamanzi emacaleni amabini ikukuba zombini ii-weld seams zangaphakathi nezangaphandle zinyibilikisiwe ngokupheleleyo, nto leyo ebangela izinga eliphezulu lokufumana iziphene kunye noxinzelelo oluncinci olushiyekileyo. Xa kuthelekiswa neepayipi eziqhelekileyo eziweldiweyo ezijikelezayo, iipayipi ze-DSAW azibi ziingongoma ezibuthathaka xa ziphantsi koxinzelelo lwe-radial. Zifanelekile ngokukodwa kwiiprojekthi ezine-geology eyinkimbinkimbi kunye neemfuno ezingqongqo zokuqina komzimba weenqwaba, njengee-piers zamanzi anzulu zeebhulorho ezinqumlayo kunye neenkxaso zemigodi yesiseko enzulu kakhulu kwiindawo zomhlaba othambileyo.
I-Cangzhou Spiral Steel Pipes Group Co., Ltd. yethu ikhule ukususela ngo-1993 ukuza kuthi ga ngoku, ivelisa iitoni ezingama-400,000 zeepayipi ezijikelezayo kunye neepayipi ezihlanganisiweyo ezithungelweyo ngomthungo othe tye minyaka le, ezineempahla ze-yuan ezingama-680 ezigidi kunye nommandla wefektri ongama-350,000 eemitha zesikwere. Kwiminyaka yokuvelisa iiPipes eziThungelweyo zoMthamo Omkhulu, eyona nto siyiqondayo kukuba into abathengi abayoyikayo kakhulu ayiloxabiso eliphezulu kancinci, kodwa ziingxaki ezenzeka phakathi kokufakwa kweepayipi. Ke ngoko, kwinkqubo ye-Double Submerged Arc Welded, sihlala sinamathela kwimigangatho engqongqo ye-ASTM A252, senza uhlolo olucokisekileyo lomthungo ngamnye we-weld ngaphandle kokungxama.
Ngexesha elizayo xa ufumana imizobo yoyilo lwesiseko, ukuba ubona kwinkcazo yomaleko womhlaba ukuba "umaleko wesanti utyebile, kukho iingqalutye ezininzi, kwaye imfuneko yomthamo wokuthwala iphezulu", ungathandabuzi - iipayipu ze-DSAW ezinkulu ezinobukhulu obudibeneyo zezona zikhetho eziya kukuhlangula kwiingxaki ezininzi.
Ixesha leposi: Epreli-17-2026