Carbon dị eluferrochromebụ otu n'ime ferroalloys ndị a na-ahụkarị na-emepụta na ọ fọrọ nke nta ka ọ bụrụ nanị iji mepụta igwe anaghị agba nchara na akwa chromium dị elu.Mmepụta na-ewere ọnọdụ n'ụzọ bụ isi na mba ndị nwere nnukwu ọla chromite.Eletrik dị ọnụ ala na mbelata na-atụnyekwa aka na viability nke nnukwu carbon ferrochrome.Nkà na ụzụ mmepụta ihe a na-ejikarị eme ihe bụ mmiri arc na-agbaze n'ime ọkụ AC, ọ bụ ezie na agbaze arc na-emeghe na ọkụ DC na-aghọwanye ihe.Ụzọ teknụzụ kachasị elu nke gụnyere usoro mmalite bụ naanị otu onye nrụpụta na-eji ya n'ọtụtụ dị egwu.Usoro mmepụta aghọọla ume na metallurgically nke ọma site n'iji usoro dị elu dị ka prereduction, preheating, agglomeration nke ore, na CO gas tinye n'ọrụ.Osisi arụnyere na nso nso a na-egosipụta ihe egwu enwere ike ijikwa n'ihe gbasara mmetọ gburugburu ebe obibi na ahụike ọrụ.
A na-eji ihe karịrị 80% nke mmepụta ferrochrome nke ụwa na mmepụta nke igwe anaghị agba nchara.Igwe anaghị agba nchara na-adabere na chromium maka ọdịdị ya na iguzogide corrosion ya.Nkezi ọdịnaya chromium na igwe anaghị agba nchara bụ 18%.A na-ejikwa FeCr mgbe a chọrọ ịgbakwunye chromium na ígwè carbon.FeCr sitere na South Africa nke a maara dị ka "charge chrome" ma mepụta site na chrome ore dị ala bụ nke a na-ejikarị eme ihe na mmepụta igwe anaghị agba nchara.FeCr carbon carbon dị elu nke sitere na ọla dị elu nke achọtara na Kazakhstan (n'etiti ebe ndị ọzọ) bụ nke a na-ejikarị eme ihe na ngwa ndị ọkachamara dị ka nchara injinia ebe oke Cr na Fe dị elu dị mkpa.
Mmepụta Ferrochrome bụ n'ezie ọrụ mbelata carbothermic na-ekpo ọkụ.A na-ebelata ore chrome (oxide nke chromium na ígwè) site na coke (na coal) iji mepụta ígwè-chromium-carbon alloy.A na-enye ọkụ maka usoro a site na arc eletrik kpụrụ n'etiti ọnụ ọnụ nke electrodes na ala nke ọkụ ọkụ na ọkụ ọkụ n'ime nnukwu ọkụ cylindrical nke a maara dị ka "ọkụ arc ndị dị n'okpuru mmiri."Dị ka aha na-egosi na atọ carbon electrodes nke ọkụ na-emikpu n'ime akwa nke tumadi siri ike na ụfọdụ mmiri mmiri ngwakọta mebere nke siri ike carbon (coke na / ma ọ bụ coal), siri ike oxide raw material (ore na fluxes) yana mmiri mmiri FeCr alloy na mgbụsị akwụkwọ slag a wụrụ awụ nke a na-emepụta.N'ime usoro mgbaze, a na-eri nnukwu ọkụ eletrik.Ịpị ihe sitere na ọkụ na-eme obere oge.Mgbe ferrochrome gbazere ezuru ezukọta n'ime ọkụ nke ọkụ ahụ, a na-agbawa oghere mgbata ahụ na iyi nke ọla a wụrụ awụ na slag na-asọda n'olulu mmiri n'ime oyi ma ọ bụ n'ọdụ ụgbọ mmiri.Ferrochrome na-emesi ike na nkedo buru ibu, nke a na-echipịa maka ọrịre ma ọ bụ meziwanye ya.
Oge nzipu: Jun-17-2021