ZUFUHR VON FESTEN EINSATZSTOFFEN FÜR EIN DIREKTVERHÜTTUNGSVERFAHREN

摘要

A process and apparatus for supplying solid feed materials for a direct smelting process to solids injection lances of a direct smelting vessel is disclosed. The feed materials supply apparatus includes a supply line (L) for conveying iron-containing material and solid carbonaceous material under pressure to solids injection lances ( 7 ), and the supply line includes a main feeder line section ( 15 ) and a plurality of branch line sections ( 17 ) extending from the main feeder line section. Each branch line section is connected to one solids injection lance for supplying iron-containing material and carbonaceous material to that lance. The apparatus further includes an assembly for dispensing iron-containing material under pressure into the main feeder line section of the supply line and an assembly for dispensing carbonaceous material under pressure into the main feeder line section of the supply line.