Submerged combustion burners and melters, and methods of use
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United States of America Patent
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Oct 3, 2017
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, a burner tip connected thereto. Submerged combustion melters including the burners and methods of using them to produce molten glass. 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. The 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 includes a crown portion defining a circumferential concavity.
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