POWDER WIRE FOR OUT-OF-FURNACE TREATMENT OF STEEL MELT Russian patent published in 2012 - IPC C21C7/00

Abstract RU 2467072 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to ferrous metallurgy, particularly, to means of out-of-furnace treatment of steel melt by granular calcination agents. Proposed powder wire comprises hollow steel d_np-ID-billet and filler. Said filler comprises mechanical mix of iron and calcium. Calcium represents cast or crushed pellets or chips sized to (0.01-0.4)d_w. Iron represents crushed metalised pellets sized to (0.1-0.7)d_w. Note here that 60-70% of pellets of total amount of iron are sized to (0.5-0.6)d_w.

EFFECT: increased specific amount of filler and higher recovery of calcium.

3 cl, 1 dwg

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RU 2 467 072 C1

Authors

Vakhrushev Vitalij Nikolaevich

Nikiforov Aleksandr Leonidovich

Dates

2012-11-20—Published

2011-11-25—Filed