Carbon karfe welded bututu An karkasu galibi zuwa matakai uku: walƙiyar juriya ta wutar lantarki (RW), walƙiya submerged arc waldi (SSAW) da kuma madaidaiciyar walƙiya mai nutsewar baka (LSAW). The carbon karfe welded bututu samar da wadannan uku matakai suna da nasu matsayi a cikin aikace-aikace filin saboda daban-daban albarkatun kasa, forming matakai, caliber size da kuma ingancin.

1. Madaidaicin kabu lantarki juriya welded bututu (ERW)

Electric juriya welded bututu shine farkon nau'in bututun ƙarfe da aka samar a ƙasata, tare da mafi girman aikace-aikacen aikace-aikacen, mafi girman adadin na'urorin samarwa (fiye da 2,000), kuma mafi girman fitarwa (lissafin kusan 80% na jimlar ƙarfin samarwa). na welded bututu). Bayanin samfurin shine Ф20 ~ 610mm. ya taka muhimmiyar rawa. Tun daga shekarun 1980, an shigo da kusan nau'ikan nau'ikan ERW219-610mm guda 30 daga kasashen waje. Bayan shekaru na aikin samarwa, matakin fasahar kayan aiki ya sami babban ci gaba, kuma ingancin samfurin kuma yana inganta koyaushe. Saboda ƙarancin saka hannun jari, tasiri mai sauri da kewayon aikace-aikace, ya haɓaka cikin sauri. Tare da haɓaka tsarin samar da faranti na CSP, yana ba da ƙarancin farashi, ingantaccen ingancin albarkatun ƙasa, kuma yana haifar da yanayi mai kyau don ƙarin haɓakawa a nan gaba. An samar da wannan bangare na kayayyakin tun daga fannin sufuri da tsari zuwa bututun rijiyar mai da bututun layi a fagen aikin bututun da ba su da kyau.

2. Karkace submerged baka welded bututu (SSAW)

The kayan zuba jari na karkace submerged baka welded bututu ne m, saboda amfani da low-cost kunkuntar tsiri (faranti) nada ci gaba da waldi don samar da manyan diamita (Ф1016 ~ 3200mm) welded bututu, da samar tsari ne mai sauki, da aiki kudin ne. low, kuma yana da fa'idar aiki mai rahusa. Mai da iskar gas na ƙasata mai karkata bututun waldadden bututun ya samar da tsari na asali musamman bisa masana'antar bututun ƙarfe da ke da alaƙa da tsarin mai. Karɓar fasahar ci-gaba kamar ƙananan ƙyanƙyasar damuwa da haɓaka bututun injin bututu, ingancin bututun welded ɗin karkace wanda ya sami ingantaccen kulawar inganci yana kwatankwacin na madaidaicin bututun welded. Shi ne babban nau’in bututun da ake amfani da shi wajen ayyukan bututun mai da iskar gas na kasata mai nisa. Ƙarfin samar da shi ya iya biyan bukatun aikin gina bututun mai da iskar gas na ƙasata mai nisa, kuma an fitar da shi da yawa.

3. Madaidaicin kabu submerged arc welded bututu (LSAW)

Welding arc mai tsayin daka ci-gaban fasaha ce ta kera bututu da aka haɓaka a ƙarshen ƙasata, kuma ana amfani da fasahar UOE a da. A cikin 'yan shekarun nan, JCOE mai ci gaba a hankali ya zama wata sabuwar fasaha ta yau da kullun a cikin ƙasata da duniya. Dogayen nitsewar bututun welded na baka suna da inganci abin dogaro kuma ana amfani da su sosai a cikin manyan layukan jigilar man fetur da iskar gas. Saboda babban jarin wannan rukunin bututun mai walda, albarkatun da ake amfani da su faranti guda ne masu fadi da kauri tare da tsada mai tsada, tsarin yana da sarkakiya, ingancin samarwa ya ragu, kuma farashin samfurin yana da yawa.