FIELD: metallurgy.
SUBSTANCE: group of inventions concerns options of method and facility for hot metal manufacturing using small or lump coal and powdered iron ores and holding of high factor of iron-bearing ores reduction during reduction by gas of iron-bearing ores using reducing coal gas produced from coal. Group of inventions also includes complete steel mill using facility for hot metal manufacturing providing receiving of hot-rolled steel sheet, and also its manufacturing method.
EFFECT: creation of facility for hot metal manufacturing with holding of high factor of iron-bearing ores reduction during reduction by gas of iron-bearing ores using reducing coal gas produced from coal.
42 cl, 8 dwg
Authors
Dates
2008-11-27—Published
2004-12-06—Filed