Submerged entry nozzle and method for maintaining a quiet casting mold
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United States of America Patent
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Aug 23, 2005
Grant Date -
Aug 19, 2004
app pub date -
Feb 14, 2003
filing date -
Feb 14, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides an improved submerged entry nozzle (SEN) for use in a continuous casting machine. The SEN includes a connection end adapted to attach to a slide gate mechanism, a discharge end including a bifurcated port, a tapered bore extending between the connection end and the discharge end, and a flow control structure positioned within the discharge end. The flow control structure includes divergent flow control surfaces extending downward along opposite sides of a contiguous edge, each downwardly extending divergent flow control surface flaring in an outward direction toward a respective perimeter defining an outside edge of the bifurcated port and communicating therewith.
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