Patent ID: 9181594
Filing Date: 2015-11-10
Classification: C21B,Y02P

Abstract:
1. An installation for producing pig iron or liquid primary steel products comprising: a melter gasifier, at least four reduction units connected to receive reducing gas formed in the melter gasifier, the reducing gas being formed in the melter gasifier, the at least four reduction units being configured for at least partially reducing iron-ore-containing charge material, and additions by means of the reducing gas formed in the melter gasifier, while carbon carriers, and oxygen-containing gas are supplied to the melter gasifier; the at least four reduction units comprising at least two rows of two to six reduction units, of one of the at least four reduction units connected in series, each row being followed downstream by at least one device for hot compacting iron-ore-containing charge material and additions; a smelting reduction unit, wherein the at least one device for hot compacting is coupled to the smelting reduction unit, and the smelting reduction unit comprises a blast furnace, an electric low-shaft furnace or a liquid bath furnace configured to receive the iron-ore-containing charge material and additions which have been compacted, and at least partially reduced.