Electric furnace
AssigneeNippon Steel Corporation
InventorToshiya HARADA
Life of this patent
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Abstract
The present invention provides an electric furnace including: a cylindrical furnace wall; a furnace cover that is provided at an upper end of the furnace wall; and a furnace bottom that is provided at a lower end of the furnace wall and includes a deep bottom portion and a shallow bottom portion as a region having a height of 150 mm to 500 mm from a deepest point of the deep bottom portion, in which a slag pouring port into which molten slag or a solidified slag lump is capable of being poured from a slag transport container directly or through a tilting trough is provided, the slag pouring port overlaps the shallow bottom portion in a plan view, and the area ratio of the shallow bottom portion to the furnace bottom in a plan view is 5% to 40%.
Claims6
An electric furnace comprising:
- a cylindrical furnace wall;
- a furnace cover that is provided at an upper end of the furnace wall;
- and
- a furnace bottom that is provided at a lower end of the furnace wall and includes a deep bottom portion and a shallow bottom portion as a region having a height of 150 mm to 500 mm from a deepest point of the deep bottom portion,
- wherein a slag pouring port into which molten slag or a solidified slag lump is capable of being poured from a slag transport container directly or through a tilting trough is provided,
- the slag pouring port overlaps the shallow bottom portion in a plan view, and
- an area ratio of the shallow bottom portion to the furnace bottom in a plan view is 5% to 40%.
Dependencies are inferred from the claim text.