SLAG MODIFIER FOR STEEL PROCESSING IN A STEEL LADLE Russian patent published in 2022 - IPC C21C7/76 

Abstract RU 2773563 C1

FIELD: ferrous metallurgy.

SUBSTANCE: invention relates to the field of ferrous metallurgy, in particular to slag-modifying materials for processing steel in a steel-pouring ladle. The slag modifier consists of minerals - brucite, serpentine and olivine with a total share of more than 80 wt.% and has a chemical composition, wt.%: magnesium oxide 45.0-65.0, calcium oxide 0.4-5.0, silicon oxide 1.0-12.0, iron oxide 0.1-5.0, loss on ignition 23.0-33 0, sulfur less than 0.03, impurities the rest.

EFFECT: invention makes it possible to create a modifier with a limited sulfur content in the composition, having increased dispersion and speed of interaction with the slag melt, providing an increase in the durability of the steel-pouring ladle lining, and also contributing to a decrease in the content of non-metallic inclusions in the steel in the form of sulfur and nitrogen.

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RU 2 773 563 C1

Authors

Barmin Artem Borisovich

Krasnov Aleksei Vladimirovich

Paiusov Oleg Igorevich

Letavin Nikolai Vladimirovich

Vozchikov Andrei Petrovich

Borisova Tatiana Viktorovna

Demidov Konstantin Nikolaevich

Nosenko Vladimir Igorevich

Filatov Aleksandr Nikolaevich

Dates

2022-06-06Published

2022-03-05Filed