ULTRA LOW NOx BURNER
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United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Mar 17, 2022
filing date -
Mar 23, 2021
priority date (Note) -
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Abstract
A burner includes a hot gas zone and an outer zone, a primary air feed line, a secondary air feed line, and a fuel feed line. The secondary air feed line includes three concentric cylindrical tubes. The fuel feed line is arranged concentrically around the secondary air feed line. A first dead volume exists inside the burner between the secondary air feed line and the fuel feed line. The fuel feed line has a nozzle construction on the hot gas side. A second dead volume is arranged between the secondary air feed line and the fuel feed line on the outer side zone. The primary air feed line is arranged concentrically around the fuel feed line.
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