Combustion aiding apparatus for steel-making electric-arc-furnace
AssigneeNikko Industry Co., Ltd.
InventorEiji Udo
Life of this patent
Estimating the term…
Abstract
A combustion aiding apparatus for a steel-making electric-arc-furnace characterized by installing a combustion aiding burner on a balcony having an inspection-and-working opening through which to drop tapping hole filling-agent and also by making the nozzle of said combustion aiding burner freely inserted into and withdrawn from a furnace through the inspection-and-working opening, in a conventional combustion aiding apparatus for a steel-making electric-arc-furnace of eccentric bottom tapping type.
Claims3
An improved steel making electric-arc-furnace of an eccentric bottom taping type including a furnace bed (1), a furnace side wall (2), a top cover through which heating electrodes extend into said furnace, a plurality of spaced heat aiding burners (9) spaced relative to said heating electrodes, a tapping hole section in said furnace bed, a balcony (6) extending from said furnace side wall (2), an inspection-and-working opening (7) in said balcony and a movable lid (8) for movement relative to said balcony for opening and closing said inspection-and-working opening;
- the improvement in which said balcony is provided with a combustion burning (20) having a burner nozzle (21) secured such that said burner nozzle is freely insertable into and withdrawn from said furnace through said opening (7) in said balcony (6).
Dependencies are inferred from the claim text.