Means of conveying molten metal from one place to another in a metal-melting furnace with simultaneous alloying of the melt
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United States of America Patent
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Mar 7, 1995
Issued Date -
N/A
app pub date -
Jun 10, 1994
filing date -
Nov 27, 1991
priority date (Note) -
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Abstract
A method, for the conveyance of molten metal from one place to another, in a high-temperature molten metal pool in a metal-melting furnace or out of said molten metal pool, employing an at least partially-inclined elongated conveying conduit and gas feed means for feeding inert gas into the lower end of the conveying conduit and thereby inducing a flow of molten metal in and through said conveying conduit, is disclosed, along with suitable apparatus for carrying out the said method wherein the parts or elements coming into contact with the high-temperature molten metal pool are of a suitable refractory material. According to the present invention, the molten metal is alloyed simultaneously with its conveyance, the same inert gas being employed for both conveying the molten metal and for entrainment of the alloying metal.
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