Refractory nozzle for a metallurgical vessel
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United States of America Patent
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-
Dec 21, 2004
Grant Date -
Aug 7, 2003
app pub date -
Jan 31, 2003
filing date -
Feb 1, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A refractory nozzle is provided for a metallurgical vessel, in particular for steel melts, wherein the nozzle has a flow-through opening with an upper end, a lower end, and an inner wall laterally enclosing the flow-through opening. In order to improve known discharge nozzles, in particular with regard to their thermal shock resistance, a heater and/or a thermal insulating material, that dissolves or bums upon contact with fluid steel, is arranged along the inner wall in the flow-through opening.
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