METHOD OF STEEL CASTING IN ARC STEEL FURNACE Russian patent published in 2013 - IPC C21C5/52 

Abstract RU 2478719 C1

FIELD: metallurgy.

SUBSTANCE: proposed method comprises loading the blend, smelting it by electrodes arcs at maximum electric power at transformer highest tap, oxygen lancing of the melt and its release. Blend is loaded continuously via opening in furnace side wall and, additionally, via opening in furnace roof between electrodes. Loading is realised at weight rate equal to blend smelting rate. In loading, blend bed height above furnace sill makes (1-1.5)L where L is arc length. Lancing is performed through discharge flute porous bottom.

EFFECT: higher efficiency, lower costs and reduced melting loss.

1 dwg, 1 ex

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RU 2 478 719 C1

Authors

Sosonkin Oleg Mikhajlovich

Gertsyk Svetlana Isaakovna

Shishimirov Matvej Vladimirovich

Dates

2013-04-10Published

2011-09-26Filed