Yin ƙarfe a kan murhun wutar lantarki ya dogara ne akanlantarkidon samar da baka, ta yadda za a iya canza makamashin lantarki zuwa makamashin zafi a cikin baka, narke nauyin tanderu da kuma cire ƙazanta kamar sulfur da phosphorus, ƙara abubuwan da suka zama dole (kamar carbon, nickel, manganese, da sauransu) don narkar da ƙarfe ko gami tare da halaye daban-daban. Dumama makamashin lantarki na iya sarrafa zafin tanderu daidai kuma ya samar da iskar gas mai ƙarancin zafi. Ingancin zafi na tanderun ƙarfe na baka ya fi na mai juyawa.
Ci gaban fasaha yana da tarihin kimanin shekaru 100 a fannin yin ƙarfe na EAF, kodayake wasu hanyoyi koyaushe suna fuskantar ƙalubale da gasa a fannin yin ƙarfe, musamman tasirin yin ƙarfe mai inganci na iskar oxygen, amma yawan samar da ƙarfe na yin ƙarfe na EAF a duniya har yanzu yana ƙaruwa kowace shekara. A farkon shekarun 1990, ƙarfe da EAF ke samarwa a duniya ya kai kashi 1/3 na jimillar samar da ƙarfe. A wasu ƙasashe, EAF ita ce babbar fasahar yin ƙarfe a wasu ƙasashe, kuma rabon ƙarfe da EAF ke samarwa ya fi na Italiya da kashi 70%.
A shekarun 1980, an yaɗu a cikin samar da ƙarfe na EAF a cikin simintin ci gaba, kuma a hankali aka ƙirƙiri "tsarin samar da makamashi mai adana makamashi na tarkacen wutar lantarki mai dumamawa wanda ke narkewa, simintin ci gaba da tacewa, ana amfani da tanderun arc galibi don tarkacen kayan aiki masu sauri azaman kayan aikin ƙarfe. Domin a shawo kan rashin daidaiton wutar lantarki mai ƙarfi sosai, samar da wutar lantarki mai matakai uku da rashin daidaiton wutar lantarki da mummunan tasiri akan grid ɗin wutar lantarki da binciken tanderun arc na DC, kuma a sanya shi cikin aikace-aikacen masana'antu a ƙarni na farko.
A tsakiyar shekarun 1990, an yi amfani da wutar lantarki ta DC mai amfani da tushen lantarki guda ɗaya kawai a duniya a shekarun 1990 (2 tare da wasu wutar lantarki ta DC mai amfani da wutar lantarki ta graphite).
Rage yawan amfani da na'urorin lantarki na graphite sosai shine babban fa'idar wutar lantarki ta DC, kafin ƙarshen shekarun 1970, wutar lantarki ta AC a kowace tan na amfani da ƙarfe na graphite a cikin kilogiram 5 ~ 8, farashin wutar lantarki ta graphite ya kai kashi 10% na jimlar farashin ƙarfe zuwa 15%, kodayake an ɗauki matakai da yawa, don haka yawan amfani da wutar lantarki ta graphite ya ragu zuwa kilogiram 4 6, ko farashin samarwa ya kai kashi 7% 10%, amfani da hanyar yin ƙarfe mai ƙarfi da ƙarfi, an rage amfani da wutar lantarki zuwa ƙarfe 2 ~ 3kg / T, wutar lantarki ta DC arc wadda ke amfani da wutar lantarki ta graphite 1 kawai, yawan amfani da wutar lantarki ta graphite zai iya raguwa zuwa kilogiram 1.5 / T a ƙarƙashin ƙarfe.
Ka'ida da aiki sun nuna cewa amfani da na'urar lantarki ta graphite guda ɗaya za a iya rage shi da kashi 40% zuwa 60% idan aka kwatanta da wutar lantarki ta AC.
Lokacin Saƙo: Mayu-06-2022