Title:
BURNER
Document Type and Number:
Japanese Patent JP2023119728
Kind Code:
A
Abstract:
To reduce NOx in exhaust gas.SOLUTION: A burner 100 includes: a fuel injection part 110 including one or a plurality of mixed gas injection ports 114b (fuel injection ports) provided toward an inner space of a furnace; a first injection part 130 including one or a plurality of first large injection ports 132b and first small injection ports 134b (first injection ports) that are separated from the mixed gas injection ports 114b and provided toward the inner space of the furnace; a second injection part 140 including one or a plurality of second large injection ports 142b and second small injection ports 144b (second injection ports) that are separated from the mixed gas injection ports 114b and provided toward the inner space of the furnace; a fuel supply part 120 supplying fuel gas including at least ammonia to the fuel injection part 110; and an oxidant supply part 150 supplying oxidant gas to the first injection part 130 and the second injection part 140. A flow rate of the oxidant gas injected by the first injection part 130 is different from that of the oxidant gas injected by the second injection part 140.SELECTED DRAWING: Figure 1
Inventors:
KIKUCHI KENTA
TOYODA HIRONOBU
MURAI RYUICHI
AKAMATSU FUMIMITSU
MATSUMOTO YUSAKU
TOYODA HIRONOBU
MURAI RYUICHI
AKAMATSU FUMIMITSU
MATSUMOTO YUSAKU
Application Number:
JP2022022731A
Publication Date:
August 29, 2023
Filing Date:
February 17, 2022
Export Citation:
Assignee:
TOKYO GAS CO LTD
UNIV OSAKA
UNIV OSAKA
International Classes:
F23C7/00; F23D14/02; F23N3/00
Attorney, Agent or Firm:
Aomi International Patent Office
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