Patent ID: 6183534
Filing Date: 2001-02-06
Classification: C21B,Y02P

Abstract:
A plant for the production of pig iron and/or sponge iron, comprising at least one fluidized bed reactor (1, 2) adapted to receive fine ore, a reducing-gas feed duct (7) leading to said fluidized bed reactor (1, 2), an off gas discharge duct (8) departing from the fluidized bed reactor (1) and a discharge means (17) provided for the reduction product formed in the fluidized bed reactor (1, 2), wherein the off gas discharge duct (8) of the fluidized bed reactor (1) runs into a purification means (9), subsequently into heating means and finally into the reducing-gas feed duct (7) of the fluidized bed reactor (1, 2), said heating means consisting of a heat exchanger (12) connected serially to a partial combustion means (13) provided with an oxygen feeding means.