Method and system for increasing the efficiency and...

Details Method and system for increasing the efficiency and... Method and system for increasing the efficiency and...

F - Mech Eng,Light,Heat,Weapons

23

N

F23N 5/00 (2006.01) F23D 14/22 (2006.01) F23D 14/32 (2006.01) F23D 14/78 (2006.01) F23L 7/00 (2006.01) F23L 15/02 (2006.01) F23M 5/08 (2006.01) F27D 7/00 (2006.01) F27D 9/00 (2006.01)

Patent

CA 2310390

An oxygen enrichment system is provided which uses the existing air/fuel burners of a regenerative furnace to distribute additional oxygen to the burners for increased efficiency, and reduced nitrous oxide emissions. The centrally positioned cooling air lances in the burners of a regenerative furnace are modified to deliver oxygen when the burners are firing for oxygen enrichment. During the burner firing cycle, oxygen is delivered from an oxygen supply through the oxygen lance to provide a central oxygen jet. The fuel is delivered concentrically around the oxygen jet. During the non-firing cycle of the burner, cooling air or other cooling fluid is delivered from the cooling air supply through the oxygen jet for cooling the offside of the furnace.

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