Abakora imishinga yo gushingira ku miyoboro y'ibyuma bazi ko ubwiza bw'imiyoboro y'ibyuma bigira ingaruka ku mutekano w'umuyoboro wose. Hari inganda nyinshi mu Bushinwa zishobora gukora imiyoboro minini ifite umurambararo wa spiral welded, ariko izishobora gutanga ibicuruzwa hakurikijwe ibipimo ngenderwaho bya ASTM A252 mu by'ukuri biragoye kuzibona. Uyu munsi, turimo kuvuga kuri imwe mu masosiyete akomeye muriInganda za Astm A252- Itsinda ry'imiyoboro y'icyuma cya Cangzhou Spiral.
ASTM A252 ni iki?
Mu magambo make, iyi ngengabihe ikubiyemo imiyoboro y'icyuma ifite uruziga. Ifite akamaro kabiri: imwe ni uko umuyoboro w'icyuma ubwawo ukora nk'igice gihoraho gitwara imizigo, gishongeshwa mu butaka kugira ngo gishyigikire inyubako iri hejuru; indi ni nk'igikonoshwa, hamwe na sima isukwa imbere kugira ngo ikore ikirundo cya sima ishongeshejwe. Uko byaba bimeze kose, hari ibisabwa bisobanutse neza kugira ngo ibikoresho by'umuyoboro bikomere, ubwiza bwa weld n'ubuziranenge bw'ingano.
Imiyoboro yacu y'icyuma ishobora gukorwa ingana iki?
Cangzhou Spiral Steel Pipe Group ikora cyane cyane imiyoboro ikoze mu buryo bwa spiral weld, cyane cyane iyo ikoreshwa mu buhanga bw'ishingiro. Ingano y'imiyoboro iri hagati ya mm 219 na mm 3500, kandi uburebure ntarengwa bw'umuyoboro umwe bushobora kugera kuri metero 35. Ubu bushobozi bwo gupima imiterere y'imiyoboro buri mu bya mbere mu Bushinwa - ku mishinga myinshi isaba ibice binini by'imiyoboro miremire, bashobora kuyitanga bitabaye ngombwa ko ihuzwa n'imiyoboro yo gusudira aho ikorera.
Ni gute inganda zigurisha ibicuruzwa byinshi zishobora kwemeza ko bifite ireme?
Nk'umuntuUruganda rwa Astm A252 rugurishwa cyane, ntibakora ibikorwa biciriritse. Uru ruganda ruherereye i Cangzhou, mu Ntara ya Hebei. Rwashinzwe mu 1993 kandi rufite ubuso bwa metero kare 350.000. Rufite umutungo wa miliyoni 680 z'amayuani n'abakozi 680, rukora toni 400.000 z'imiyoboro y'icyuma izunguruka buri mwaka, rutanga umusaruro ungana na miliyari 1.8 z'amayuani. Igipimo kiragaragara, kandi imirongo y'umusaruro, ibikoresho byo gupima, n'ububiko bw'ibikoresho fatizo byose byemejwe mu buryo buhamye.
Kuri buri muyoboro w'icyuma, kuva aho winjirira ukagera ku murongo w'umusaruro kugeza ku ishusho yawo, gusudira, no kugenzura, hari inyandiko zirambuye z'ibikorwa. Imirongo yo gusudira izakorerwa isuzuma ritangiza, kandi ingano n'ibizamini by'umuvuduko w'amazi ni ibikorwa bisanzwe. Icyo batanga si umuyoboro umwe cyangwa ibiri gusa, ahubwo ni imiyoboro myinshi - niba ubwiza butari bwiza kandi ibicuruzwa byinshi bikagira ikibazo, itsinda ryose rishinzwe gutwara imiyoboro rizahagarika gukora.
Niba ushaka itsinda ry'imiyoboro minini, miremire, kandi ijyanye n'ibipimo bya ASTM A252, Cangzhou Spiral Steel Pipe Group irakwiye kuzirikanwa. Ifite ubushobozi bwo gukora bwinshi, ifite ibintu bitandukanye, kandi ni uruganda rutanga isoko. Itanga inyungu ku giciro cyo kugura ku bucuruzi bwinshi. Ku bikenewe mu mushinga, ushobora kuvugana nawe ku byerekeye ibishushanyo n'amatariki yo gutanga.
Igihe cyo kohereza: Gicurasi-09-2026