Blast furnace for ironmaking production
AssigneeArcelorMittal
InventorDominique SERT
Life of this patent
Estimating the term…
Abstract
A blast furnace for ironmaking production wherein iron ore is at least partly reduced by a reducing gas which is injected in the stack of the blast furnace. The blast furnace includes an external wall, an internal wall in contact with matters charged into the blast furnace, the internal wall including several rows of staves having a parallelepipedal shape. At least one row of staves comprises staves with a hole drilled in a least one of the corners of the parallelepipedal stave wherein an injection device may be partly inserted in.
Claims7
1-6. (canceled)
A blast furnace for ironmaking production, iron ore being at least partly reduced by a reducing gas injected in the stack of the blast furnace, the blast furnace comprising:
- an external wall;
- an internal wall in contact with matters charged into the blast furnace, said internal wall including a plurality of rows of staves, the staves having a parallelepipedal shape;
- and
- at least one injector for injecting the reducing gas through an injection outlet;
- at least one of the rows of staves including a hole drilled in a least one of the corners of the parallelepipedal stave, the injector at least partly inserted in the hole.
Dependencies are inferred from the claim text.