SLAG MIXTURE FOR TREATING STEEL IN LADLE Russian patent published in 1999 - IPC

Abstract RU 2138562 C1

FIELD: metallurgy, in particular, treating of steel with solid slag mixtures in the process of discharging steel from steelmaking unit into steel-teeming ladle. SUBSTANCE: slag mixture contains lime, spar, and pelletized aluminum. Lumped lime is fed in partially calcined state, with lime content in lumps being within the range of 2-16% by weight. Fractional composition of slag mixture components is: lime : spar = 0.125-5.0; lime : aluminum = 0.3-7.2. Amount of components in slag mixture, % by weight: lime 50-90; aluminum 1-30; spar the balance. EFFECT: increased efficiency in removing sulfur from steel and desulfurization of steel during transfer from steelmaking unit into steel-teeming ladle. 1 tbl, 5 ex

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RU 2 138 562 C1

Authors

Lisin V.S.

Skorokhodov V.N.

Nastich V.P.

Kukartsev V.M.

Mizin V.G.

Zakharov D.V.

Filjashin M.K.

Khrebin V.N.

Sukhanov Ju.F.

Lebedev V.I.

Dates

1999-09-27Published

1998-12-08Filed