US 12,072,097 B2
Active and passive combustion stabilization for burners for highly and rapidly varying fuel gas compositions
Kurt Kraus, Tulsa, OK (US); and Stefano Bietto, Tulsa, OK (US)
Assigned to Honeywell International Inc., Charlotte, NC (US)
Filed by Honeywell International Inc., Charlotte, NC (US)
Filed on Oct. 22, 2021, as Appl. No. 17/451,932.
Claims priority of provisional application 63/167,286, filed on Mar. 29, 2021.
Prior Publication US 2022/0307689 A1, Sep. 29, 2022
Int. Cl. F23N 1/00 (2006.01); F23D 14/22 (2006.01); F23D 14/48 (2006.01)
CPC F23N 1/002 (2013.01) [F23D 14/22 (2013.01); F23D 14/48 (2013.01); F23D 2209/20 (2013.01); F23D 2900/14002 (2013.01); F23K 2900/05004 (2013.01); F23N 2235/16 (2020.01); F23N 2235/24 (2020.01)] 17 Claims
OG exemplary drawing
 
1. A burner comprising:
a plenum;
a burner tile configured to provide combustion air from the plenum through the burner tile to a combustion zone, the burner tile having an upstream portion, a throat, and a downstream portion, the downstream portion having a wall and a plurality of cavities disposed on the wall; and
at least one primary conduit having a plurality of primary tips configured to inject a fuel stream comprising fuel gas into the combustion zone, wherein each of the primary tips comprising a plurality of ports,
wherein each of the plurality of cavities has a different diameter and is disposed at a different distance relative to the throat of the burner tile.