M'dziko lomwe likusintha nthawi zonse la zomangamanga ndi mafakitale, kufunikira kwa zida zolimba komanso zodalirika ndizofunikira kwambiri. Mwa zida izi, mapaipi opangidwa ndi welded kawiri, makamaka omwe amakwaniritsa miyezo ya ASTM A252, akhala mwala wapangodya m'magawo osiyanasiyana. Blog iyi imayang'ana ntchito zamapaipi opangidwa ndi ma welded pawiri muzomangamanga zamakono ndi mafakitale, ndikuwunikira kufunikira kwawo komanso ubwino wawo.
Chitoliro chowirikiza kawiri, yomwe imadziwikanso kuti DSAW (double submerged arc welded) chitoliro, imatha kupirira kupsinjika kwakukulu ndipo ndi yoyenera kumadera osiyanasiyana ovuta. Muyezo wa ASTM A252 womwe umayang'anira kupanga mapaipiwa wakhala ukudaliridwa ndi mainjiniya ndi akatswiri omanga kwazaka zambiri. Muyezowu umatsimikizira kuti mapaipiwo amakwaniritsa miyezo yokhazikika komanso magwiridwe antchito, kuwapangitsa kukhala abwino pomanga, mafuta ndi gasi, ndi ntchito zina zolemera zamafakitale.
Chimodzi mwa ntchito zazikulu za mapaipi owotcherera pawiri ndikumanga mafelemu omangira. Ndi mphamvu ndi kulimba kofunikira pothandizira katundu wolemera, mapaipiwa ndi gawo lofunika kwambiri pomanga milatho, nyumba, ndi ntchito zina zomangamanga. Kukhoza kwawo kupirira kupsinjika kwakukulu kumawapangitsanso kukhala oyenera kugwiritsidwa ntchito popanga milu, komwe amakankhidwira pansi kuti apereke chithandizo cha maziko.
M'makampani amafuta ndi gasi,Mapaipi a DSAWimagwira ntchito yofunika kwambiri pamayendedwe amadzimadzi ndi mpweya. Mapangidwe ake olimba amamuthandiza kupirira zovuta zazikulu zomwe zimagwirizanitsidwa ndi zipangizozi, kuonetsetsa kuti mayendedwe otetezeka komanso ogwira mtima. Kuonjezera apo, kukana kwa dzimbiri kwa chitoliro cha DSAW kumapangitsa kukhala chisankho choyenera kwa malo ovuta, monga mapulaneti obowola m'mphepete mwa nyanja ndi malo oyeretsera, kumene kukhudzidwa ndi zinthu zowononga ndizovuta.
Kupanga mapaipi owotcherera pawiri ndi njira yovuta yomwe imafuna kulondola komanso ukadaulo. Fakitale yathu ili mumzinda wa Cangzhou, m’chigawo cha Hebei, ndipo yakhala ikutsogola pamakampaniwo kuyambira pomwe idakhazikitsidwa mu 1993. Fakitaleyi ili ndi malo okwana masikweya mita 350,000, ili ndi chuma chonse cha RMB 680 miliyoni, ndipo ili ndi umisiri wamakono ndi antchito aluso 680. Izi zimatithandiza kupanga mapaipi apamwamba kwambiri a DSAW omwe amakwaniritsa zofunikira za zomangamanga zamakono ndi mafakitale.
Kuphatikiza apo, kusinthasintha kwa mapaipi owotcherera pawiri kumapitilira kupitilira ntchito zawo zakale. Amagwiritsidwa ntchito mochulukira m'mapulojekiti amagetsi ongowonjezwdwanso, monga minda yamphepo ndi dzuwa, komwe amakhala ngati chithandizo chokhazikika komanso njira zotumizira mphamvu. Pamene dziko likupita ku njira zothetsera mphamvu zokhazikika, ntchito ya mapaipi otsekemera pawiri pothandizira kusintha kumeneku sikungatheke.
Pomaliza, kugwiritsa ntchito kwa DoubleWelded Chitoliromu zomangamanga zamakono ndi mafakitale ndi zazikulu komanso zosiyanasiyana. Amakwaniritsa miyezo ya ASTM A252, kuwonetsetsa kuti miyezo yapamwamba kwambiri komanso magwiridwe antchito akukwaniritsidwa, kuwapangitsa kukhala chisankho chodalirika kwa mainjiniya ndi akatswiri omanga. Pamene makampani akupitirizabe kusintha ndikukumana ndi zovuta zatsopano, kufunikira kwa zipangizo zodalirika monga Double Welded Pipe zidzangokulirakulira. Kudzipereka kwathu pakupanga mapaipi apamwamba a gasi a DSAW kwatipanga kukhala mtsogoleri m'munda, okonzeka kukwaniritsa zofuna zamtsogolo. Kaya m'magawo omanga, mafuta ndi gasi kapena mphamvu zongowonjezwdwa, Double Welded Pipe itenga gawo lalikulu pakukonza zomangamanga zam'tsogolo.
Nthawi yotumiza: Dec-27-2024