Abo babandakanyeka kwiiprojekthi zesiseko seenqwaba bayazi ukuba umgangatho weenqwaba zemibhobho yentsimbi uchaphazela ngokuthe ngqo ukhuseleko lwesiseko siphela. Kukho abavelisi abaninzi eTshayina abanokuvelisa iipayipi ezidityanisiweyo ezijijekileyo ezinobubanzi obukhulu, kodwa abo banokubonelela ngeemveliso ngokuhambelana nomgangatho we-ASTM A252 kunzima ukuzifumana. Namhlanje, sithetha ngenye yeenkampani ezisele zisebenza kwi-Iifektri ze-Astm A252- Iqela leeMbhobho zeNsimbi eziSipili zaseCangzhou.
Yintoni i-ASTM A252?
Ngamazwi alula, lo mgangatho ugubungela iipayipu zentsimbi ezisilinda. Unemisebenzi emibini: enye kukuba umbhobho wentsimbi ngokwawo usebenza njengesixhobo esihlala sihleli esithwala umthwalo, esiqhutywa emhlabeni ukuxhasa isakhiwo esingaphezulu; enye injengeqokobhe, apho ikhonkrithi igalelwa ngaphakathi ukwenza inqwaba yekhonkrithi efakwe endaweni yayo. Nokuba yeyiphi na, kukho iimfuno ezicacileyo zamandla, umgangatho we-weld kunye nokuchaneka kobukhulu bezinto zephayiphu.
Ingakanani imibhobho yethu yentsimbi enokwenziwa?
I-Cangzhou Spiral Steel Pipe Group ikakhulu ivelisa iipayipi ezidityanisiweyo ezijikelezayo, ngokukodwa ezisetyenziselwa ubunjineli besiseko. Ububanzi beepayipi buqala kwi-219mm ukuya kwi-3500mm, kwaye ubude obukhulu bombhobho omnye bunokufikelela kwiimitha ezingama-35. Olu lwazi luphakathi kwezona ziphezulu eTshayina - kwiiprojekthi ezininzi ezifuna amacandelo ombhobho amade amakhulu, zinokubabonelela ngokuthe ngqo ngaphandle kwesidingo soqhagamshelo lwe-welding kwindawo.
Iifektri ezithengisa ngobuninzi zingaqinisekisa njani umgangatho wemveliso?
NjengeIvenkile ethengisa izinto ezininzi i-Astm A252 Factory, abazibandakanyi kwimveliso encinci. Lo mzi-mveliso ukwiCangzhou, kwiPhondo laseHebei. Wasekwa ngo-1993 kwaye ugubungela indawo engama-350,000 square metres. Ngobutyebi obupheleleyo be-680 yezigidi zeeyuan kunye nabasebenzi abangama-680, uvelisa iitoni ezingama-400,000 zeepayipi zentsimbi ezijikelezayo ngonyaka, nto leyo evelisa ixabiso lemveliso eliyi-1.8 yeebhiliyoni zeerandi. Ubungakanani buyabonakala, kwaye imigca yemveliso, izixhobo zokuvavanya, kunye noluhlu lwezinto eziluhlaza zonke ziqinisekisiwe ngokwenkqubo.
Kwipayipi nganye yentsimbi, ukususela ekungeneni kwayo ukuya kumgca wemveliso ukuya ekubunjweni kwayo, ekudibaniseni, nasekuhlolweni, kukho iirekhodi zenkqubo ezineenkcukacha. Ii-weld seams ziya kuvavanywa ngendlela engonakalisiyo, kwaye ubungakanani kunye novavanyo loxinzelelo lwamanzi zizinto eziqhelekileyo. Abazibonelelayo asikombhobho omnye okanye emibini kuphela, kodwa zininzi ii-pipe piles - ukuba umgangatho awuzinzanga kwaye iqela leempahla linengxaki, lonke iqela eliqhuba ii-piles kuya kufuneka liyeke ukusebenza.
Ukuba ujonge iqela leepayipu zentsimbi ezijikelezayo ezinobubanzi obukhulu, ubude obude, kwaye ezihambelana nemigangatho ye-ASTM A252, iCangzhou Spiral Steel Pipe Group ifanelekile ukuqwalaselwa. Zinomthamo omkhulu wemveliso, zigubungela uluhlu olubanzi lweenkcukacha, kwaye ziyifektri yomthombo. Zibonelela ngeenzuzo zamaxabiso okuthenga ngobuninzi. Ngeemfuno zeprojekthi, ungathetha ngqo malunga nemizobo kunye nemihla yokuhanjiswa.
Ixesha leposi: Meyi-09-2026