Niba uherutse kugira uruhare mu mishinga minini y’imiyoboro y’ibirundo, haba ku ngufu z’umuyaga, ibyambu cyangwa ibiraro, mu gihe uhitamo ibikoresho by’imiyoboro n’uburyo bwo kubaka, uburyo bumwe nta gushidikanya bushobora kuvamo: umuyoboro wa karuboni ukozwe muri FBE + gusudira imiyoboro ibiri munsi y’amazi.
Ntimwihutire kureba ibiciro. Reka tubanze tuganire ku kibazo gifatika cyagaragaye ahantu ho kubaka - ibidukikije byo munsi y'ubutaka "biragoye cyane". Biratose, bishobora kwangirika, kandi imizigo ihinduka kenshi. Imiyoboro isanzwe ikunda gukora nabi nyuma y'imyaka mike ikoreshwa. Niyo mpamvu amasosiyete menshi y'ubwubatsi agenda ashakishaASTM A252 ku bucuruzi buniniabatumiza ibicuruzwa mu mahanga kugira ngo babone umubare munini waimiyoboro minini y'ibirundo.
Vuba aha, twagiranye ikiganiro n'uruganda ruzwi cyane i Cangzhou ku bijyanye n'urutonde rw'ibicuruzwa. Uburyo bwabo bukwiye gusangirwa.
Si imiyoboro yose ya FBE interior liner imeze kimwe.
Reka tuvuge kuri FBE. Abantu benshi bayimenyereye nk'ifu ya epoxy ifatanye. Ariko,Umuyoboro w'icyuma cya karuboni ukozwe muri FBE Ikoreshwa mu miyoboro y'ibirundo ifite ibisabwa bikomeye bijyanye no gufatana, ubunini, n'ubushyuhe bwo kuyifata.
Ibicuruzwa turimo kuganiraho kuri iyi nshuro ni ibya Cangzhou Spiral Steel Pipes Group Co., Ltd. Uru ruganda rwashinzwe mu 1993 i Cangzhou, mu Ntara ya Hebei. Rufite ubuso bwa metero kare 350.000 kandi rufite umutungo wa miliyoni 680 z'amayuwani. Rufite abakozi 680. Bakora toni 400.000 z'imiyoboro y'icyuma izunguruka buri mwaka, ifite agaciro ka miliyari 1.8 z'amayuwani. Bari mu bakomeye mu bijyanye n'imiyoboro y'icyuma izunguruka n'ibicuruzwa bitwikiriye imbere mu gihugu.
Imiyoboro ya karuboni ikozwe muri FBE ntabwo ari "gushyiramo urwego rw'ifu" gusa. Ahubwo, igenzura neza umuvuduko w'umurongo wo gutwikira n'ubushyuhe mu gace gashyushya, bigatuma FBE yinjira neza mu buso bw'umuyoboro w'icyuma, igakora urwego rwo kurinda rufite ubucucike bwinshi, rukomeza kandi rudafata kato.
Kuki ari ngombwa kwita ku gikorwa cyo gusudira imiyoboro y'ibirundo?
Imiterere y'imiyoboro y'ibirundo itandukanye rwose n'iy'imiyoboro isanzwe y'amazi. Imbaraga z'inkurikizi mu gihe cyo kuyobora ibirundo, imbaraga z'umurongo w'imbere mu gihe kirekire, hamwe n'uburyo butangana bwo gutura munsi y'ubutaka byose bisaba ko imiyoboro y'amazi iba yizewe rwose.
Uru ruganda rwo muri Cangzhou rukoresha ubushuhe bubiri butwikiriye. Abazi ibijyanye no gusudira bazi ko inyungu ikomeye y'ubu buryo ari uko ubushuhe butwikiriye buba bwarakozwe neza, ubujyakuzimu bushongeshejwe burahagije, kandi igipimo cy'ubusembwa bw'imbere kiri hasi. Byongeye kandi, gusudira impande ebyiri ni nko gushyira "ubwishingizi bubiri" ku bushuhe, kuko butuma yinjira neza imbere n'inyuma.
Ugereranije no gusudira ku ruhande rumwe cyangwa gusudira bisanzwe, imiyoboro minini y'ibirundo ikorwa nagusudira arc ebyiri munsi y'amaziItumanaho ry’imizigo rirushaho gukomera iyo rishyizwe mu mitwaro ihindagurika kandi igongamye. Ibi ni ngombwa cyane ku miyoboro y’ibirundo.
Imiyoboro minini y'ibiryo - kuki abantu benshi ubu bahitamo kugura ibintu byinshi?
Noneho tugeze ku kibazo cyavuzwe mu mutwe wacu: Kuki imiyoboro ya DSAW ya ASTM A252 FBE igurishwa mu bucuruzi bwo kuyishyiramo?
Igisubizo mu by'ukuri ni cyoroshye cyane - ituze + ikiguzi gishobora kugenzurwa.
ASTM A252 ni igipimo cyihariye cy’imiyoboro y’icyuma ikoreshwa ku miyoboro, ifite ibisabwa bisobanutse kugira ngo ikomere, ikomere kandi irusheho gukomera. Uru ruganda rwo muri Cangzhou rukora imiyoboro minini y’ibirundo hakurikijwe iri gipimo, kandi ni bo bacuruzi ba ASTM A252 mu bucuruzi bwinshi, bigatuma hatabaho abahuza.
Ku bigo by’ubwubatsi, kugura imiyoboro minini y’ibirundo ku bwinshi bivuye muri bene izo nganda rimwe na rimwe ni ingirakamaro kubera impamvu nyinshi. Ubwa mbere, ibipimo birangana kandi ubwiza buragaragara. Ubwa kabiri, igiciro kirakomeye. Icya gatatu, uruziga rw’ibicuruzwa rurashobora kugenzurwa - uruganda rufite ubushobozi bwo gukora toni 400.000 buri mwaka ntirugira ubushobozi bwo gutegura gahunda y’umusaruro n’ububiko bw’ibikoresho fatizo nk’uko amaduka mato ashobora kubigeraho.
Mu mushinga nyirizina, iyi miyoboro ikoreshwa he?
Dore bimwe mu bintu nyabyo byabayeho:
Icyambu n'icyambu: Imiyoboro y'amazi igomba kuba irwanya ingese yo mu mazi yo mu nyanja. Imikorere yo kurwanya ingese y'imiyoboro y'icyuma cya karuboni ikozwe muri FBE ni myiza cyane kurusha iyo imiyoboro isanzwe yambaye ubusa.
Ishingiro ry'ikiraro: Ibisabwa cyane bishyirwa ku migozi yo gusudira. Uburyo bwo gusudira arc ebyiri munsi y'amazi bushobora kwemeza ko buri muyoboro w'ibirundo uhoraho.
Umusingi w'umunara wa turbine y'umuyaga: Ufite umurambararo munini, upfukirana cyane, utwara imizigo igihe kirekire. Imiyoboro minini yo gukurura, hakurikijwe ibipimo ngenderwaho bya ASTM A252, ni amahitamo asanzwe mu nganda.
Ibicuruzwa by'uru ruganda rwo muri Cangzhou ahanini bikwirakwizwa muri utwo duce. Byongeye kandi, inyungu yabyo iri mu kuba bidakora gusa imiyoboro ikoze mu buryo bwa spiral weld ahubwo binakora n'uburyo bwo gusiga irangi. Uburyo bwo gukora bufitanye isano rya hafi, kandi bashobora no kugenzura ubuziranenge mu buryo bwose.
Muri make, nta gukubita hirya no hino.
Niba ushaka imiyoboro ya karuboni ikozwe muri FBE, ifite ibisabwa bikomeye ku migozi yo gusudira (igomba kuba ifunze inshuro ebyiri), kandi niba umushinga wawe ukeneye imiyoboro minini y'ibirundo, kandi ukaba ushaka umucuruzi wizewe wohereza mu mahanga ASTM A252 - Cangzhou Spiral Steel Pipe Group ni amahitamo akwiye kwitabwaho cyane.
Si uko bihendutse cyane; ahubwo ni uko muri iki cyiciro, nta nganda nyinshi zo mu gihugu zishobora guhuza ubushobozi bwo gukora, ubumenyi, imikorere, no gusiga byose icyarimwe.
None se, kuki wahitamo gukoresha imiyoboro ya DSAW ya ASTM A252 FBE mu bucuruzi bwinshi kugira ngo uyishyiremo?
Igisubizo cyoroshye ni iki: biroroshye, birakomeye cyane, kandi bishobora kwihanganira ibizamini biri mu butaka.
Igihe cyo kohereza: 30 Mata-2026