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1. (WO2015117861) PNEUMATIC ORE CHARGING

Pub. No.:    WO/2015/117861    International Application No.:    PCT/EP2015/051572
Publication Date: Fri Aug 14 01:59:59 CEST 2015 International Filing Date: Wed Jan 28 00:59:59 CET 2015
IPC: C21B 13/00
F27B 15/08
F27B 15/10
F27D 3/00
F27D 3/18
Applicants: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Inventors: MILLNER, Robert
PLAUL, Jan-Friedemann
REIN, Norbert
Title: PNEUMATIC ORE CHARGING
Abstract:
The invention relates to a method for reducing metal oxide-containing feedstock (1), in which the metal-oxide containing feedstock (1) is reduced in at least two fluidised bed aggregates (RA, RE) using a reduction gas (2), at least part of the off gas (3) produced being recycled and the metal-oxide containing feedstock (1) being conveyed into the fluidised bed aggregate RE by a propellant gas. The invention further relates to a device for carrying out the claimed method.