Method for making steel in an electric arc furnace and electric arc furnace
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United States of America Patent
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Jul 2, 2019
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N/A
app pub date -
Dec 26, 2014
filing date -
Dec 26, 2014
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Abstract
A method of producing steel by charging a furnace with scrap metal and agglomerated oxy-carbon material into a workspace of a furnace, to reduce specific electricity consumption when melting. Increasing the iron output quantity by inputting electric energy, fuel, a carburizer, a flux and gaseous oxygen, using electric arc melting with decarburization of a metal bath, and releasing metal and slag from the furnace. Prior to melting, a portion of the material is loaded with a first portion of the metal charge into the central zone of the furnace, and the remaining material into the melted charge during melting 0.5-10 kg/min per 1 megavolt-ampere of electric arc transformer power. The oxy-carbon material size is between 5 and 80 millimeters.
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