Methods and apparatus for burning fuel with low NO[sub x] formation

Patent · Tue Oct 13 04:00:00 EDT 1992

OSTI ID:7137455

Schwartz, R E; Waibel, R T; Rodden, P M; Napier, S O

This patent describes an improved burner aparatus for discharging a mixture of fuel and air into a furnace space wherein the mixture is burned and flue gases having low NO[sub x] content are formed therefrom. It comprises: A housing; primary mixer-nozzle means; flue gases passageway means; at least one secondary fuel nozzel means. This patent also describes a method of discharging an at least substanitally stoichiometric mixture of fuel and air into a furnace wherein the mixture is burned and flue gases having low NO[sub x] content are formed therefrom. It comprises: discharging air into the furnace; discharging the remaining portion of the fuel into a secondary zone.

• Assignee: John Zink Co., Tulsa, OK (United States)
• Patent Number(s): A; US 5154596
• Application Number: PPN: US 7-836779
• OSTI ID: 7137455
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800 -- Combustion
Pyrolysis
& High-Temperature Chemistry
42 ENGINEERING
421000 -- Engineering-- Combustion Systems
54 ENVIRONMENTAL SCIENCES
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
AIR POLLUTION CONTROL
AIR QUALITY
BURNERS
CHALCOGENIDES
CONTROL
DESIGN
DISPERSIONS
ENVIRONMENTAL QUALITY
FLUE GAS
FUEL-AIR RATIO
GASEOUS WASTES
MIXTURES
NITROGEN COMPOUNDS
NITROGEN OXIDES
NOZZLES
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
WASTES