Composite briquette for steelmaking or ironmaking furnace charge
OwnerPierre Vaydainventor
Life of this patent
Estimating the term…
Abstract
A briquette for addition to the charge in a steelmaking or ironmaking furnace comprises a quantity of carbon fines, a material in powdered form, the material selected from the group consisting of iron powder and iron oxide, the material densifying the briquette and suppressing the slippery nature of the carbon fines, a quantity of magnesium carbonate, and a binder.
Claims15
A composite briquette for addition to the charge in a steelmaking furnace, the briquette comprising:
- a quantity of carbon fines;
- a quantity of iron powder, the iron powder densifying the briquette and suppressing the slippery nature of the carbon fines;
- a quantity of magnesium carbonate;
- a quantity of limestone;
- and
- a binder.
A method of improving the slag-covered charge in a steelmaking furnace, the method comprising:
- making a mixture of:
- a quantity of carbon fines, a quantity of iron powder;
- a quantity of magnesium carbonate, a quantity of limestone, and a binder;
- compressing a portion of said mixture in a suitable mold to make a briquette, the iron powder densifying the briquette and suppressing the slippery nature of the carbon fines;
- and
- introducing said briquette to the charge below the slag in the steelmaking furnace so that said quantity of iron powder contained in the briquette will cause the same to sink into the charge.
A composite briquette for addition to the charge in a steelmaking furnace, the briquette comprising:
- at least 85% magnesium carbonate;
- and
- the remainder of the briquette weight being a binder, the binder comprising molasses and lime.
Dependencies are inferred from the claim text.