Aikace-aikacen bututun bakin karfe a cikin masana'antar mai da petrochemical
Bakin karfe bisa ga sinadaran abun da ke ciki za a iya raba zuwa Cr bakin karfe, CR-Ni bakin karfe, CR-Ni-Mo bakin karfe, bisa ga aikace-aikace filin za a iya raba likita bakin karfe, yanayi lalata resistant bakin karfe, anti- oxidation bakin karfe, Cl - lalata resistant bakin karfe.Amma mafi yawan amfani da rarrabuwa ne bisa ga tsarin karfe don rarraba, kullum za a iya raba ferritic bakin karfe, austenitic bakin karfe, martensitic bakin karfe, duplex bakin karfe da hazo hardening bakin karfe.A cikin aikace-aikacen man fetur da petrochemical, bakin karfe austenitic, bakin karfe na ferritic da duplex bakin karfe asusu na babban kaso.
Ferritic bakin karfe Cr abun ciki gabaɗaya tsakanin 13% -30%, C abun ciki gabaɗaya kasa da 0.25%, ta hanyar annealing ko tsufa, carbide a cikin ferritic hatsi iyaka hazo, don cimma lalata juriya.Gabaɗaya magana, juriyar juriya na ferritic bakin karfe yana ƙasa da austenitic bakin karfe da duplex karfe, amma sama da martensitic bakin karfe.Amma saboda ƙarancin samar da farashinsa idan aka kwatanta da sauran bakin karfe, sabili da haka, a cikin sinadarai da aikace-aikacen petrochemical, don matsakaicin juriya na lalata da buƙatun ƙarfin ba su da girma a fagen aikace-aikacen.Kamar a cikin man sulfur, hydrogen sulfide, dakin zafin jiki nitric acid, carbonic acid, hydrogen ammonia uwa barasa, urea samar da high-zazzabi ammonia, urea uwa barasa da vinyl samar da vinyl acetate, acrylonitrile da sauran wurare ana amfani dasu sosai.
Babban abun ciki na Cr na bakin karfe na martensitic yana tsakanin 13% -17%, kuma abun cikin C ya fi girma, tsakanin 0.1% da 0.7%.Yana da ƙarfi mafi girma, tauri da juriya, amma juriya na lalata yana da ƙasa.An fi amfani da shi a cikin filin mai da petrochemical a cikin mahalli inda matsakaitan lalata ba su da ƙarfi, irin su babban ƙarfi da abubuwan ɗaukar nauyi, irin su injin injin tururi, kusoshi da sauran sassa masu alaƙa da abubuwan haɗin gwiwa.
Abubuwan da ke cikin Cr a cikin bakin karfe austenitic yana tsakanin 17% -20%, abun ciki na Ni yana tsakanin 8% -16%, kuma abun ciki na C gabaɗaya ƙasa da 0.12%.Za a iya samun tsarin austenitic a zafin jiki ta ƙara Ni don faɗaɗa yankin canji na austenitic.Austenitic bakin karfe juriya lalata, roba, tauri, sarrafa aiki, walda yi, low zafin jiki yi idan aka kwatanta da sauran bakin karfe ne mafi kyau kwarai, don haka da aikace-aikace a daban-daban filayen ne kuma mafi m, amfani da kusan 70% na jimlar adadin. na duk bakin karfe.A cikin filin na man fetur da petrochemical, karfi mai lalata matsakaici da ƙananan zafin jiki, abũbuwan amfãni daga austenitic bakin karfe ne ya fi girma, kamar high lalata juriya, musamman na ciki bangaren a cikin juriya ga intergranular lalata yanayi, kamar zafi Exchanger / bututu kayan aiki, cryogenic. bututun iskar iskar gas (LNG), kamar su urea, kwandon samar da sulfur ammonia, kawar da ƙurar ƙurar hayaƙin hayaƙi da na'urar lalata.
Duplex bakin karfe da aka ɓullo da bisa tushen guda-lokaci bakin karfe, Ni abun ciki na gaba daya game da rabin austenitic bakin karfe Ni abun ciki, rage gami farashin.Austenitic bakin karfe yana da kyakkyawan juriya na lalata da ingantaccen aiki, yana magance raunin ferritic da martensitic bakin karfe juriya, karfin bakin karfe na austenitic da juriya.A fannin man petroleum da petrochemical, ana amfani da shi ne a wuraren da ake amfani da shi wajen jure lalatawar ruwan teku, abubuwan da ake amfani da su na acidic da kayan aiki, musamman a cikin abubuwan da za su iya jure lalata.
Hazo ƙarfafa bakin karfe ne yafi ta hazo ƙarfafa inji don samun high ƙarfi yi, shi ma sadaukar da kansa lalata juriya, don haka shi ne kasa amfani da lalata matsakaici, kullum amfani a petrochemical inji ma'adinai da sauran masana'antu.
Aikace-aikacen bututun bakin karfe a cikin masana'antar mai da petrochemical
Masana'antar man fetur da sinadarai, ita ce ginshiƙi na tattalin arzikin ƙasa, wanda ke taka muhimmiyar rawa a cikin tattalin arzikin ƙasa.A cikin shekaru 20 da suka gabata, bututun bakin karfe ko bututun da ba su da kyau ko kuma bututu mai walda a matakin fasahar samar da kayayyaki ya sami matukar ingantawa.Bututun bakin karfe da wasu masana'antun cikin gida ke samarwa ya kai matakin da zai iya maye gurbin kayayyakin da ake shigowa da su gaba daya, tare da sanin yadda ake sarrafa bututun karfe.
A cikin masana'antar mai da sinadarai, bututun bakin karfe ana amfani da shi ne a tsarin isar da bututun mai, gami da bututun murhu mai zafi, bututun mai, bututun mai fasa bututu, bututun isar da ruwa, bututun musayar zafi da sauransu.Ana buƙatar baƙin ƙarfe don yin aiki da kyau a cikin sabis na rigar da acid.
Lokacin aikawa: Juni-20-2022