Process for adjusting the composition of a liquid metal such as steel, and plant for its implementation
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United States of America Patent
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Feb 9, 1999
Grant Date -
N/A
app pub date -
May 20, 1996
filing date -
Oct 15, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for adjusting the composition of a liquid metal, such as steel, is provided wherein liquid metal is sucked up from a start receptacle into a reactor which is at a reduced pressure with respect to the start receptacle. First, the liquid metal is made to flow inside the reactor under conditions close to plug flow where it undergoes a metallurgical treatment. Next, after the liquid metal has been conveyed through the reactor it is completely discharged into a finish receptacle which is also at a reduced pressure with respect to the reactor. To insure thorough mixing, the reactor is divided into a plurality of cells, each of which has its own independent gas injector for agitating the liquid metal therein.
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