METHOD FOR PREPARING CHARGE FOR SINTERING Russian patent published in 2006 - IPC C22B1/244 

FIELD: ferrous metallurgy, namely production of iron ore pellets.

SUBSTANCE: method comprises steps of feeding charge into lumping apparatus by two flows; introducing first flow into gas flow at creating stream of gas and moistened charge; depositing charge; realizing seed formation; after-lumping seeds by means of second flow of charge; in addition introducing into gas flow organic filament like particles with diameter 0.01 - 1.0 mm and length 2 - 50 mm in quantity 0.1 -4.0% of charge mass. Deposition of charge and after-lumping of seeds are performed simultaneously.

EFFECT: improved strength of iron ore pellets.

1 dwg, 1 tbl, 1 ex