Bohlokoa ba Pipe ea Sawn le Welded in Infrastructure ea Sejoale-joale, Bohareng ba Cangzhou, Profinseng ea Hebei, ho lutse leloala la tšepe leo esale e le lejoe la motheo la indasteri ea lipeipi tsa tšepe ho tloha ha e thehoa ka 1993. Khamphani e na le lisekoere-mithara tse 350,000, e ithorisa ka thepa eohle ea RMB e limilione tse 680, 'me e hira basebetsi ba 68. Har'a lihlahisoa tsa eona tse ngata ho na le liphaephe tse sakhang le tse cheselitsoeng, e leng karolo ea bohlokoa ea lisebelisoa tsa morao-rao, haholo-holo lipalangoang tsa metsing.
Ka tlas'a lefatšePipe e Sahiloengli bohlokoa bakeng sa ho tsamaisa metsi ka mokhoa o atlehileng le o tšepahalang ho pholletsa le libaka tse fapaneng. Ke motheo oa meralo ea rona ea sejoale-joale, ho netefatsa hore metsi a hloekileng a fihla malapeng, likhoebong le libakeng tsa temo. Khetho ea thepa bakeng sa liphaephe tsena ke ea bohlokoa, kaha li tlameha ho mamella likhatello tsa tikoloho e ka tlas'a lefatše ha li ntse li boloka botšepehi ba nako e telele. E 'ngoe ea likhetho tse tsebahalang haholo bakeng sa lits'ebetso tsena ke peipi ea tšepe e entsoeng ka spirally, e tsebahalang ka matla le ho tšoarella ha eona.
S235 JR spiral steel pipe le X70 SSAW (Spiral Submerged Arc Welded) line pipe ke lihlahisoa tse peli tse tloaelehileng tse sebelisoang haholo tsamaisong ea liphaephe tsa metsi ka tlas'a lefatše. Pipe ea S235 JR e nkoa e le ea bohlokoa haholo bakeng sa thepa ea eona e babatsehang ea mochine, e etsang hore e tšoanelehe bakeng sa mefuta e sa tšoaneng ea lisebelisoa, ho kenyelletsa le lipalangoang tsa metsi. Bokhoni ba eona ba ho hanela deformation tlas'a khatello ea kelello bo tiisa hore e finyella litlhoko tsa lisebelisoa tsa ka tlas'a lefatše.
Kajeno, ka ts'ebetso e potlakisang ea ho aha litoropong, mokhoa o tšepahalang oa ho tsamaisa metsi ka tlas'a lefatše e se e le senotlolo sa ho etsa bonnete ba hore batho baa iphelisa. E le khoebo e etelletseng pele indastering ea tlhahiso ea lipeipi tsa tšepe, polante e itseng ea tšepe Cangzhou City, Profinseng ea Hebei, esale e fana ka lipeipi tsa Saw Welded tse sebetsang hantle bakeng sa meaho ea lefatše ho tloha ha e theoa ka 1993.
1. Matla a phahameng le ho hanyetsa ha kutu ho netefatsa tšireletso ea nako e telele ea phetisetso ea metsi. S235 JR spiral pipe: E na le khanyetso e babatsehang ea ho senyeha ha khatello ea kelello 'me e loketse tikoloho e rarahaneng ea jeoloji, e netefatsang ts'ebetso e tsitsitseng ea nako e telele ea lipeipi. Pipe ea X70 SSAW: E entsoe ka tšepe e matla haholo le theknoloji e tsoetseng pele ea spiral welding, ha e hatellehe ebile e hana ho bola, e loketse phetiso ea metsi a malelele le libaka tse thata.
2. Theknoloji e tsoetseng pele e kopantsoeng le taolo e tiileng ea boleng e theha tsamaiso e tsitsitseng ea lipeipi. Feme ena e sebelisa theknoloji ea spiral submerged arc welding (SAW) ho fihlela tlhahiso e sebetsang ea li-tubes tse bophara bo boholo, tse tšesaane tse nang le marako, ho ntlafatsa ts'ebeliso ea thepa ha e ntse e netefatsa matla. Ka tšebelisano-'moho le sehlopha sa litsebi sa batho ba 680 le mohala oa morao-rao oa tlhahiso ea boleng ba li-yuan tse limilione tse 680, re etsa bonnete ba hore pipe e 'ngoe le e 'ngoe ea tšepe e finyella litekanyetso tsa machaba, e kenya letsoho ho nts'etsopele ea lisebelisoa tse tala. Ka ntlafatso ea litlhoko tsa taolo ea mehloli ea metsi lefatšeng ka bophara, liphaephe tse cheselitsoeng ka sakha tsa Cangzhou Steel Plant li tla tsoela pele ho fana ka tharollo ea nako e telele le ea theko e tlase bakeng sa lipalangoang tsa metsi tsa masepala, tsa temo le tsa indasteri, ho khothaletsa kaho ea meralo ea motheo e tšoarellang ea ho baballa metsi.
liphaephe tse sakhang le tse cheselitsoeng tse hlahisoang ke Cangzhou Steel Mills ke karolo ea bohlokoa ea tsamaiso ea metsi a ka tlas'a lefatše. S235 JR le X70 spiral submerped arc welded liphaephe, tse nang le thepa e ntle ea mochini le ho hanyetsa maemo a tikoloho, li bohlokoa bakeng sa ho netefatsa hore lipalangoang tsa metsi li sebetsa hantle. Ha re shebile pele, bohlokoa ba lihlahisoa tsena bo tla tsoela pele ho hola, ho totobatsa tlhoko ea indasteri ea lipeipi tsa tšepe bakeng sa tlhahiso ea boleng bo holimo le tharollo ea mahlale.
Nako ea poso: Aug-18-2025