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

Patent · Tue Mar 24 04:00:00 EST 1992

OSTI ID:5220182

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

This patent describes an improved burner apparatus 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. It comprises: a housing having an open end attached to the furnace space; means for introducing a controlled quantity of air into the housing and into the furnace space attached to the housing; primary mixer-nozzle means for mixing fuel with flue gases from the furnace space and discharging the resulting mixture into the furnace space disposed within the housing, the primary mixer-nozzle means including a pressurized fuel inlet for connection to a source of pressurized fuel and at least one flue gases inlet connection.

• Assignee: John Zink Co., Tulsa, OK (United States)
• Patent Number(s): A; US 5098282
• Application Number: PPN: US 7-578953
• OSTI ID: 5220182
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
421000 -- Engineering-- Combustion Systems
54 ENVIRONMENTAL SCIENCES
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
AIR POLLUTION CONTROL
BURNERS
CHALCOGENIDES
CHEMICAL REACTIONS
COMBUSTION PRODUCTS
CONTROL
DENITRIFICATION
DESIGN
FLUE GAS
FUEL-AIR RATIO
FURNACES
GASEOUS WASTES
NITROGEN COMPOUNDS
NITROGEN OXIDES
NOZZLES
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
PRESSURIZATION
WASTES