Apparatus for injecting solid particulate material into a vessel
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United States of America Patent
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May 25, 2010
Grant Date -
Oct 9, 2008
app pub date -
Jul 27, 2005
filing date -
Jul 27, 2004
priority date (Note) -
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Abstract
A smelting apparatus includes a vessel and a solids injection lance extending through an opening in the wall of a vessel barrel into the interior space of the vessel. The lance includes a central core tube through which to pass solid particulate material into the vessel and an annular cooling jacket surrounding the central core tube throughout a substantial part of its length. The lance has a mounting structure including a tubular part extended about the cooling jacket and about twice the diameter of the cooling jacket. The tubular part fits within a tubular lance mounting bracket welded to the shell of the vessel barrel to extend outwardly from the vessel. The lance is held within the mounting bracket by clamping bolts acting between flanges on the tubular part and the tubular bracket.
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