Gabatarwa zuwa Shandong Kungang Karkashin Bututu
Ana yin bututun karkace ta hanyar mirgina ƙaramin carbon carbon structural karfe ko ƙaramin tsari na ƙarfe mai ƙanƙara a cikin bututu mara kyau bisa ga wani kusurwar helical (wanda ake kira angle forming), sa'an nan kuma walda bututun.Ana iya yin shi da kunkuntar tsiri Karfe yana samar da manyan bututun ƙarfe diamita.Ana bayyana ƙayyadaddun sa ta hanyar diamita na waje * kauri na bango.Bututun da aka ƙera ya kamata ya tabbatar da cewa gwajin hydraulic, ƙarfin ƙarfi na walda da aikin lanƙwasa sanyi dole ne su cika ka'idoji.
Dangane da tsarin walda, hanyar waldawar bututun walda da madaidaiciyar bututun karfe iri ɗaya ne, amma madaidaiciyar bututun welded ɗin bututun ba makawa zai sami nau'ikan walda da yawa, don haka yiwuwar lahanin walda shima yana ƙaruwa sosai. da ragowar walda a ginshiƙan T-dimbin yawa Damuwar yana da girma, kuma ƙarfe na walda sau da yawa yana cikin yanayin damuwa mai girma uku, wanda ke ƙara yiwuwar fashewa.Haka kuma, bisa ga ka'idojin fasaha na walda arc da ke nutsewa, kowane weld ya kamata ya kasance yana da wurin farawa da baka da wurin kashe baka, amma kowane madaidaicin bututun walda ba zai iya saduwa da wannan yanayin yayin walda madauwari ba, don haka ana iya samun ƙarin lahani.
amfani
An fi amfani da bututun karkace a aikin injiniyan samar da ruwa, masana'antar petrochemical, masana'antar sinadarai, masana'antar wutar lantarki, ban ruwa, da gine-ginen birane.Yana daya daga cikin manyan kayayyaki ashirin da kasarmu ta samar.Don jigilar ruwa: samar da ruwa, magudanar ruwa, injiniyan kula da najasa, jigilar laka, jigilar ruwan teku.Don jigilar iskar gas: iskar gas, tururi, iskar gas mai ruwa.Don dalilai na tsari: kamar yadda ake tara bututu da gadoji;bututu na magudanar ruwa, tituna, gine-ginen gine-gine, bututun ruwa na ruwa, da sauransu.
Ka'idojin Samfur
Karkaye kabu submerged baka welded karfe bututu SY5036-83 for matsa lamba ruwa sufuri ne yafi amfani da man fetur da kuma iskar gas bututun;karkace kabu high mita welded karfe bututu SY5038-83 for matsa lamba ruwa sufuri ne welded da high mita welding.Karkace kabu high-mita welded karfe bututu don matsa lamba ruwa sufuri.Bututun ƙarfe yana da ƙarfin ɗaukar nauyi mai ƙarfi, filastik mai kyau, kuma ya dace da walda da sarrafawa;da karkace kabu submerged baka welded karfe bututu SY5037-83 for general low-matsa lamba ruwa sufuri da aka yi ta biyu-gefe atomatik submerged baka waldi ko guda-gefe waldi ga ruwa, gas, Submerged baka welded karfe bututu don isar da janar low-matsa lamba ruwaye. kamar iska da tururi.
Abubuwan da aka saba amfani da su don bututun ƙarfe na karkace gabaɗaya ana rarraba su zuwa: SY/T5037-2000 (daidaitaccen ma'aikatar, wanda kuma aka sani da karkataccen bututun ƙarfe na welded na bututun bututun sufuri na yau da kullun), GB/T9711.1-1997 (ma'aunin ƙasa, kuma). da aka sani da man fetur da iskar gas masana'antu sufuri karfe bututu) Kashi na farko na isar da fasaha yanayi: A-grade karfe bututu (GB/T9711.2 B-grade karfe bututu tare da m bukatun), API-5L (American Petroleum Institute, kuma ake kira bututun). karfe bututu, wanda aka kasu kashi biyu matakai: PSL1 da kuma PSL2), SY/T5040-92 ( karkace submerged baka welded karfe bututu for tara).
Lokacin aikawa: Yuli-20-2023