PELLET PRODUCTION METHOD Russian patent published in 2002 - IPC

FIELD: ferrous metallurgy, namely material lumping processes. SUBSTANCE: method comprises steps of feeding wet charge onto plate of pelletizer; pelletizing charge at forming upward and downward layers of pellets; treating downward layer by means of compressed air streams supplied to materials by cross flows; forming in downward layer air cavity at feeding compressed air by impulse (0.4-6.8)N; treating periphery of cavity in addition by means of streams of fan supplied air whose flowrate consists (0.6-1.4) of compressed air flowrate. EFFECT: enhanced strength of pellets. 1 dwg, 1 tbl, 1 ex