FIELD: ferrous metallurgy, particularly, blast-furnace production process; method may be used in washing of blast-furnace hearth. SUBSTANCE: method includes wash of blast-furnace hearth by combined supply together with coke of ferrosilicon with particles sizing 40-100 mm in amount determined by special relationship. EFFECT: reduced consumption of coke and improved transfer of harmful impurities into slag and useful impurities into pig iron. 1 tbl, 2 ex
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Authors
Dates
2000-06-10—Published
1999-04-12—Filed