Kule mihla yophuhliso olukhawulezayo kumashishini okwakha neziseko zophuhliso, izisombululo zemibhobho ezinokuthenjwa nezihlala ixesha elide ziye zaba sisitshixo sempumelelo yeprojekthi. Njengomvelisi ophambili wemibhobho yentsimbi ejikelezayo kunye neemveliso zokugquma imibhobho eTshayina, iCangzhou Spiral Steel Pipes Group Co., Ltd. iqaliseUmbhobho woMgca we-X70 SSAW, nto leyo echaza isizukulwana esitsha semigangatho yeLine Pipe ngokusebenza kwayo okugqwesileyo.
Umbhobho we-X70 yimveliso ephambili yentsimbi yombhobho ekumgangatho ophezulu, enamandla okuvelisa angaphezulu kwe-485 MPa, enamathela kwimigangatho engqongqo efana ne-API 5L kunye ne-GB/T 9711. Udibanisa amandla aphezulu kunye nokuqina okugqwesileyo kwaye unokujongana ngokulula nemingeni emininzi efana noxinzelelo oluphezulu kunye nokugqwala kwiindawo ezifakelwe phantsi komhlaba. Wamkela inkqubo ye-advanced spiral submerged arc welding (SSAW), apho umsonto wentsimbi utyunyuzwa nge-helical uze udityaniswe. Uxinzelelo lwe-weld lusatshalaliswa ngokulinganayo, lunika umbhobho amandla angaqhelekanga okuxinwa kunye nokumelana nokugqwala, ngakumbi afaneleke kakhulu kwiipayipi zegesi ezingaphantsi komhlaba, ubunjineli besiseko, kunye nezinye iimeko ezibalulekileyo. Iinkcukacha zemveliso ziqala kwi-219mm ukuya kwi-3500mm, ezinobude obubodwa ukuya kuthi ga kwiimitha ezingama-35, ezihlangabezana ngokugqibeleleyo neemfuno zeziseko ezahlukeneyo ezinkulu kunye nezicelo ezikhethekileyo.
Ngokusekelwe ekuqokeleleni kobuchwephesha ukususela ekusekweni kwayo ngo-1993, iCangzhou Spiral Steel Pipes Group Co., Ltd. liqumrhu elinamandla: umzi-mveliso wayo ugubungela indawo yee-350,000 square metres, kunye neeasethi zizonke ze-680 yezigidi zeeyuan, kwaye inabasebenzi abangama-680. Umthamo wayo wonyaka wemveliso yeepayipi zentsimbi ezijikelezayo ufikelela kwiitoni ezingama-400,000, kunye nexabiso lonyaka lemveliso ye-1.8 yeebhiliyoni zeeyuan. Le nkampani ilawula ngokungqongqo yonke inkqubo ukusuka ekukhetheni izinto eziluhlaza ukuya ekuhlolweni kwemveliso, iqhuba iimvavanyo ezininzi ezifana novavanyo lwe-radiographic kunye nokufunyanwa kweziphene ze-ultrasonic ukuqinisekisa ubomi benkonzo obuhlala ixesha elide kunye nokusebenza okuzinzileyo. Njengesisombululo seLine Pipe esidibanisa umgangatho kunye nokuguquguquka, i-X70 SSAWUmbhobho woMgcaAyifanelekanga nje kuphela ekuthuthweni kwegesi namanzi phantsi komhlaba, kodwa ikwasebenza kakuhle nakwiimeko zokufakwa kwemibhobho emide kunye nokuhanjiswa kolwelo kwimizi-mveliso, ibe lukhetho oluthembekileyo kwiiprojekthi zeziseko zophuhliso zehlabathi.
Ixesha leposi: Feb-28-2026