Dangantaka tsakanin kaddarorin jiki da sinadarai na lantarki na graphite da amfani da ƙarfe na tanderun lantarki

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. tare da kaddarorin 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 ƙera ƙarfe na EAF, kodayake sauran hanyoyin koyaushe suna fuskantar ƙalubale na ƙirar ƙarfe da gasa, musamman tasirin iskar iskar oxygen mai ƙarfi, amma rabon samar da ƙarfe na EAF a cikin kayan ƙarfe na duniya har yanzu yana haɓaka shekara. da 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 samar da ƙarfe na EAF a ci gaba da simintin gyare-gyare, kuma a hankali ya samar da tsarin samar da makamashi mai cike da kuzari na murhun wutar lantarki da ke narkewa da ci gaba da jujjuyawa, wutar makera galibi ana amfani da ita don rarrabuwar kayan aiki da sauri azaman ɗanyen. kayan aikin karfe. Domin da gaske shawo kan matsananci high iko AC Arc makera baka rashin zaman lafiya, uku-lokaci samar da wutar lantarki da halin yanzu rashin daidaituwa da kuma mai tsanani tasiri a kan wutar lantarki da kuma bincike na DC Arc makera, da kuma sanya a cikin masana'antu aikace-aikace a farkon karni.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).

Rage yawan amfani da na'urorin lantarki na graphite shine mafi girman fa'idar wutar lantarki ta DC, kafin ƙarshen 1970s, AC arc makera a kowace ton na amfani da ƙarfe na graphite lantarki a cikin 5 ~ 8kg, farashin lantarki na graphite ya lissafta 10% na jimlar farashin. na karfe zuwa 15%, ko da yake an dauki matakan da yawa, ta yadda amfani da graphite electrode ya ragu zuwa 4 6kg, ko kuma farashin samarwa ya kai 7% 10%, amfani da babban iko da ultra high power steelmaking, electrode yak yana raguwa. zuwa 2 ~ 3k.g / T karfe, DC Arc makera wanda yana amfani da 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.