Electric Arc makera karfe karfe dogara ne a kanlantarkidon samar da arcs, ta yadda za a iya canza makamashin lantarki zuwa makamashin zafi a cikin baka, narke nauyin wutar lantarki da kuma kawar da datti kamar su sulfur da phosphorus, ƙara abubuwan da suka dace (irin su carbon, nickel, manganese, da dai sauransu) don narke karfe ko gawa mai nau'i daban-daban. Dumamar makamashin lantarki na iya sarrafa yanayin zafin tanda daidai da samar da iskar gas mai ƙarancin zafin jiki. Ƙunƙarar zafi na murhun ƙarfe na arc ɗin ya fi na mai juyawa.
Ci gaban fasaha yana da tarihin kusan shekaru 100 a cikin aikin ƙarfe na EAF, kodayake sauran hanyoyin koyaushe suna fuskantar ƙalubalen ƙirar ƙarfe da gasa, musamman tasirin iskar iskar oxygen mai ƙarfi, amma rabon samar da ƙarfe na EAF ɗin ƙarfe a duniya yana ƙaruwa kowace shekara. A farkon shekarun 1990, karfen da EAF ke samarwa a duniya ya kai kashi 1/3 na jimlar karfen da aka fitar. A wasu kasashe, EAF ita ce babbar fasahar kera karafa a wasu kasashe, kuma adadin karfen da EAF ke samarwa ya kai kashi 70% sama da na Italiya.
A cikin 1980s, tartsatsi a cikin EAF karfe samar a ci gaba da simintin gyare-gyare, da kuma a hankali kafa wani "makamashi-ceton samar tsari na wani guntun preheating lantarki baka makera smelting a refining ci gaba da simintin gyare-gyare a ci gaba da mirgina, Arc makera ne yafi amfani ga m kayan aiki guntu a matsayin albarkatun kasa na karfe-yin. Domin fundamentally shawo kan wani ƙarfin lantarki a cikin wutar lantarki uku. da rashin daidaituwa na yanzu da tasiri mai tsanani akan grid na wutar lantarki da bincike na wutar lantarki na DC, da kuma sanya shi a cikin aikace-aikacen masana'antu a karni na farko.
a tsakiyar 1990s, DC arc tanderu ta amfani da tushen 1 kawai na graphite electrode an yi amfani dashi sosai a duniya a cikin 90s (2 tare da wasu wutar lantarki mai graphite DC arc).
Girman rage yawan amfani da graphite lantarki shi ne mafi girma amfani da DC Arc makera, kafin karshen 1970s, AC Arc makera da ton na karfe amfani da graphite lantarki a 5 ~ 8kg, graphite lantarki halin kaka lissafta 10% na jimlar kudin karfe zuwa 15%, ko da yake riƙi wani adadin jadawali, ko 4 samar da farashin jadawali, don haka da cewa 4 jadawali farashin. lissafta 7% 10%, da yin amfani da babban iko da matsananci high ikon steelmaking Hanyar, electrode yak an rage zuwa 2 ~ 3k.g / T karfe, DC Arc makera wanda amfani kawai 1 graphite lantarki, graphite lantarki amfani za a iya rage zuwa 1.5kg / T karfe karkashin.
Duka ka'idar da aikace-aikace sun nuna cewa ana iya rage yawan amfani da lantarki guda ɗaya ta 40% zuwa 60% idan aka kwatanta da tanderun AC arc.
Lokacin aikawa: Mayu-06-2022