Scrap bale for steel making process
AssigneeMagnesium Technologies Corporation
InventorThomas H. Bieniosek
Life of this patent
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Abstract
A bale of ferrous scrap for use in a steel making process where the bale comprises a compacted volume of scrap with an external marginal layer surrounding a center portion of the bale and a package of elements formed from commingled flux being compacted into the center portion and encapsulated in the bale.
Claims70
A bale of ferrous scrap for use in a steel making process, said bale comprising a compacted volume of metal scrap and at least one cavity that is fully encapsulated by said metal scrap, at least one of said cavities including commingled flux, said commingled flux designed to remove sulfur from said metal scrap when said metal scrap melts during the steel making process, said commingled flux including lime particles, said commingled flux further includes particles selected from the group consisting of aluminum particles, calcium aluminate particles, fluorspar particles, and ferrous particles, said commingled flux is in a form of a compacted briquette, a compacted disk, an agglomeration of particles bound together by a binder, and mixture thereof.
A method of refining steel in a heated vessel, said method including:
- a) adding at least one bale of ferrous scrap into said vessel, said bale comprising a compacted volume of metal scrap and at least one cavity that is fully encapsulated by said metal scrap, at least one of said cavities including commingled flux, said commingled flux designed to remove sulfur from said metal scrap when said metal scrap melts during a steel making process, said commingled flux including lime particles, said commingled flux further includes particles selected from the group consisting of aluminum particles, calcium aluminate particles, fluorspar particles, and ferrous particles, said commingled flux is in a form of a compacted briquette, a compacted disk, an agglomeration of particles bound together by a binder, and mixtures thereof;
- b) charging said vessel with molten iron;
- and,
- c) melting said at least one bale of ferrous scrap into said molten iron to cause said commingled flux in said at least one bale of ferrous scrap to remove sulfur from said molten iron, said melted bale of ferrous scrap, and combination thereof, said commingled flux formulated to at least partially melt and form a slag prior to said ferrous scrap about said at least one cavity melting.
A bale of ferrous scrap for use in a steel making process, said bale having a volume of 3.0-20.0 cubic feet, said bale comprising ferrous scrap and commingled flux, said ferrous scrap compact about said commingled flux such that said compacted ferrous scrap fully encapsulates said commingled flux, said commingled flux designed to remove sulfur from said compacted metal scrap when said compacted metal scrap melts during the steel making process, said commingled flux constituting 10-25% of a total volume of said bale, said commingled flux including lime and at least one material selected from the group consisting of aluminum particles and calcium aluminate particles, said commingled flux is in a form of a plurality of compacted briquets, a plurality of compacted disks, and combinations thereof prior to said commingled flux being compacted within said ferrous scrap.
A method of refining steel in a heated vessel, said method including:
- a) adding at least one bale of ferrous scrap into said vessel, said bale having a volume of 3.0-20.0 cubic feet, said bale comprising ferrous scrap and commingled flux, said ferrous scrap compact about said commingled flux such that said compacted ferrous scrap fully encapsulates said commingled flux, said commingled flux designed to remove sulfur from said compacted metal scrap when said compacted metal scrap melts during the steel making process, said commingled flux constituting 10-25% of a total volume of said bale, said commingled flux including lime and at least one material selected from the group consisting of aluminum particles and calcium aluminate particles, said commingled flux is in a form of a plurality of compacted briquets, a plurality of compacted disks, and combinations thereof prior to said commingled flux being compacted within said ferrous scrap;
- b) charging said vessel with molten iron;
- and,
- c) melting said at least one bale of ferrous scrap into said molten iron so cause said commingled flux in said at least one bale of ferrous scrap to remove sulfur from said molten iron, said melted bale of ferrous scrap, and combinations thereof.
Dependencies are inferred from the claim text.