Smelt spout for a recovery furance
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United States of America Patent
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Sep 16, 1997
Grant Date -
N/A
app pub date -
Mar 24, 1995
filing date -
Mar 25, 1994
priority date (Note) -
Expired
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Abstract
A smelt spout for a chemical recovery furnace comprises a trough of U-shaped profile fabricated as a casting in a nickel-chromium alloy containing a minor amount of niobium. A system incorporating the spout includes a cooling arrangement which delivers cooling air to the outside surface of the spout.
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