Bututun Karfe da ke nutsewa ya zama bututun karfe na manyan ayyukan sufurin mai da iskar gas a gida da waje saboda kaurin bangon sa, ingancin kayan abu mai kyau da kuma tsayayyen fasahar sarrafa shi. A cikin manyan diamita submerged baka karfe bututu welded gidajen abinci, da weld dinki da kuma zafi-shafi yankin ne wuraren da suke da saukin kamuwa da daban-daban lahani, yayin waldi undercuts, pores, slag inclusions, rashin isasshen Fusion, m shigar azzakari cikin farji, weld bumps, ƙone-ta hanyar. , da fasa walda Shi ne babban nau'in lahani na walda, kuma sau da yawa shi ne asalin hadurran bututun ƙarfe da ke nutsewa cikin ruwa. Matakan sarrafawa sune kamar haka:

1. Sarrafa kafin walda:

1) Dole ne a fara bincika albarkatun ƙasa, kuma bayan an gama binciken ne kawai za su iya shiga wurin ginin a bisa ƙa'ida, kuma da yunƙurin amfani da ƙarfe mara kyau.
2) Na biyu shine sarrafa kayan walda. Bincika ko kayan walda sun dace, ko an aiwatar da tsarin ajiya da kuma yin burodi, ko saman kayan waldawan da aka rarraba ba su da tsatsa, ko rufin sandar walda ba shi da kyau ko kuma akwai mildew.
3) Na uku shine kula da tsaftar wurin walda. A duba tsaftar wurin walda, kuma kada a samu datti kamar ruwa, mai, tsatsa da fim din oxide, wanda ke taka muhimmiyar rawa wajen kare lahani daga waje a cikin walda.
4) Don zaɓar hanyar walda mai dacewa, yakamata a aiwatar da ka'idar waldawar gwaji ta farko da walƙiya ta gaba.

2. Sarrafa lokacin walda:

1) Bincika ko ƙayyadaddun bayanan wayar walda da jujjuyawar suna daidai daidai da ƙa'idodin tsarin walda don hana yin amfani da wayar walda mara kyau da juyi da kuma haifar da haɗarin walda.
2) Kula da yanayin walda. Lokacin da yanayin walda ba shi da kyau (zazzabi yana ƙasa da 0 ℃, ƙarancin dangi ya fi 90%), yakamata a ɗauki matakan daidai kafin waldawa.
3) Kafin pre-welding, duba tsagi girma, ciki har da gibba, m gefuna, kwana da misalignments, ko sun hadu da tsari bukatun.
4) Ko walda halin yanzu, waldi irin ƙarfin lantarki, waldi gudun da sauran tsari sigogi zaba a cikin atomatik submerged baka waldi tsari daidai ne.
5) Kula da ma'aikatan walda don yin cikakken amfani da tsayin farantin baka na matukin jirgi a ƙarshen bututun ƙarfe yayin waldawar baka ta atomatik, da ƙarfafa ingancin amfani da farantin arc ɗin matukin lokacin walda na ciki da waje, wanda ke taimakawa. inganta bututu karshen waldi.
6) Kula da ko ma'aikatan walda sun fara tsaftace shinge a lokacin gyaran walda, ko an sarrafa kayan haɗin gwiwa, ko akwai mai, tsatsa, tsatsa, ruwa, fenti da sauran datti a cikin tsagi.