Method of vacuum treating metal melts, and vessel for use in the method
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United States of America Patent
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Sep 16, 1986
Issued Date -
N/A
app pub date -
Jul 30, 1985
filing date -
Sep 30, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method of vacuum treating metal melts, especially steel melts, a vacuum syphon vessel (1) is used with its suction pipe (2) dipping into the melt (4) in a ladle (3) so that a portion of the melt is drawn into the vessel (1) and is varied between levels (A) and (B), and oxygen surrounded by a protective medium is blown horizontally into the melt in the vessel (1) below the surface of the melt through one or more nozzles (6) immediately above the bottom (5) of the vessel (1) and/or in the upper part of the suction pipe (2).
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