Avo vari kuita mapurojekiti ekugadzira mapombi esimbi vanoziva kuti mhando yemapombi esimbi inokanganisa zvakananga kuchengetedzeka kwenheyo yese. Kune vagadziri vazhinji muChina vanogona kugadzira mapombi akasungirirwa esimbi ane dhayamita hombe, asi ayo anogona kugara achipa zvigadzirwa zvinoenderana neASTM A252 standard zvakaoma kuwana. Nhasi, tiri kutaura nezveimwe yemakambani agara aripo muMafekitori eAstm A252- Boka reMapaipi eSimbi Yakatenderera yeCangzhou.
Chii chinonzi ASTM A252?
Muchidimbu, chiyero ichi chinosanganisira mapaipi esimbi akatenderera. Chine mashandisirwo maviri: chekutanga ndechekuti pombi yesimbi pachayo inoshanda sechinhu chisingaperi chinotakura mutoro, chinorovererwa muvhu kuti chitsigire chivako chiri pamusoro; chimwe chakaita segoko, nekongiri inodururwa mukati kuti igadzire murwi wekongiri wakaumbwa panzvimbo. Pasinei nekuti ndeipi, pane zvinodiwa zvakajeka zvesimba, kunaka kweweld uye kururama kwezvikamu zvepombi.
Mapaipi edu esimbi anogona kugadzirwa akakura sei?
Cangzhou Spiral Steel Pipe Group inonyanya kugadzira mapaipi akasungirirwa nesimbi, kunyanya ekushandiswa mukugadzira hwaro. Upamhi hwemapaipi hunotangira pa219mm kusvika 3500mm, uye hurefu hwepombi imwe chete hunogona kusvika mamita makumi matatu nemashanu. Kugona kwekubatanidza hunyanzvi uku kuri pakati pepamusoro muChina - kune mapurojekiti mazhinji anoda zvikamu zvemapaipi zvakakura-dhayamita, vanogona kuzvipa zvakananga pasina chikonzero chekubatanidza welding panzvimbo yacho.
Mafekitori ekutengesa zvinhu zvakawanda anogona sei kuona kuti zvigadzirwa zvakanaka?
SemunhuFekitori yeAstm A252 yekutengeserana, havaite zvekugadzira zvinhu zvidiki. Fekitori iyi iri muCangzhou, Hebei Province. Yakavambwa muna 1993 uye inofukidza nzvimbo inosvika 350,000 square metres. Iine huwandu hwemamiriyoni mazana matanhatu nemakumi masere eyuan nevashandi mazana matanhatu nemakumi masere, inogadzira matani mazana mana ezviuru emapaipi esimbi anotenderera gore rega rega, zvichiburitsa huwandu hwemari inosvika mabhiriyoni gumi nemasere eRMB. Chiyero chacho chiri pachena, uye mitsetse yekugadzira, michina yekuyedza, uye zvinhu zvakabikwa zvese zvinovimbiswa nenzira yakarongwa.
Papombi yega yega yesimbi, kubva pakupinda kwayo kusvika pakugadzirwa kwayo kusvika pakuumbwa kwayo, kusonera, uye kuongororwa, kune zvinyorwa zvakadzama zvemaitiro. Misono yeweld ichaedzwa zvisingaparadze, uye zviyero uye bvunzo dzekumanikidzwa kwemvura zvinoitwa nguva dzose. Chavanopa haisi pombi imwe chete kana mbiri chete, asi huwandu hwakawanda hwemapombi - kana mhando isina kugadzikana uye zvinhu zvakawanda zviine dambudziko, timu yese yekufambisa mapombi ichafanira kumira kushanda.
Kana uchitsvaga mapaipi esimbi ane dhayamita hombe, akareba, uye anoenderana neASTM A252 standards, Cangzhou Spiral Steel Pipe Group yakakodzera kufungwa nezvayo. Ane kugona kukuru kwekugadzira, ane zvakawanda zvakasiyana-siyana, uye ifekitori inobva kwairi. Ane zvakanakira mitengo yekutenga zvinhu zvakawanda. Kune zvinodiwa papurojekiti, unogona kutaurirana zvakananga nezvemadhirowa nemazuva ekutumira.
Nguva yekutumira: Chivabvu-09-2026