Submerged combustion burners, melters, and methods of use
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United States of America Patent
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May 19, 2020
Grant Date -
Mar 17, 2016
app pub date -
May 22, 2013
filing date -
May 22, 2013
priority date (Note) -
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Abstract
Submerged combustion burners having a burner body and a burner tip connected thereto. The burner body has an external conduit and first and second internal conduits substantially concentric therewith, forming first and second annuli for passing a cooling fluid therethrough. A burner tip body is connected to the burner body at ends of the external and second internal conduits. The burner tip includes a generally central flow passage for a combustible mixture, the flow passage defined by an inner wall of the burner tip. The burner tip further has an outer wall and a crown connecting the inner and outer walls. The inner and outer walls, and the crown are comprised of same or different materials having greater corrosion and/or fatigue resistance than at least the external burner conduit.
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