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Title: Combustion in a multiburner furnace with selective flow of oxygen

Patent ·
OSTI ID:1174742

Improved operational characteristics such as improved fuel efficiency, reduction of NOx formation, reduction of the amount of unburned carbon in the ash, and lessened tendency to corrosion at the tube wall, in a multi-burner furnace are obtained by reducing the flow rate of combustion air to the burners and selectively individually feeding oxidant to only some of the burners.

Research Organization:
Praxair, Inc., Danbury, CT (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-00NT40756
Assignee:
Praxair Technology, Inc. (Danbury, CT)
Patent Number(s):
6,699,030
Application Number:
10/194,601
OSTI ID:
1174742
Country of Publication:
United States
Language:
English

References (2)

Characteristics of single particle coal combustion journal January 1982
NOx Reduction of a 165 MW Wall-Fired Boiler Utilizing Air and Fuel Flow Measurement and Control conference February 2009