METALLIC IRON PRODUCTON METHOD Russian patent published in 2017 - IPC C21B13/10 

FIELD: metallurgy.

SUBSTANCE: invention refers to the metallic iron production method. Mixture agglomerate is formed comprising iron oxide material and a carbon-containing reducing agent, the resulting agglomerate is introduced into the heating furnace with a movable hearth and reduced by heating. The reduced product comprising metallic iron and slag is discharged from the heating furnace of the movable hearth, crushed using a crusher, separated by screening using a screen having holes with size of 2-8 mm on the material consisting of coarse grains, and the material composed of fines. Thus the volume density of the material consisting of coarse grains is from 1.2 to 3.5 kg/l. The resulting material consisting of coarse grains is crushed using an impact crusher, sorted using a separator, with metallic iron being collected.

EFFECT: invention enables continuous and efficient collection of metallic iron product without reducing the grain size.

39 cl, 29 dwg, 24 tbl, 23 ex