SOLID FUEL BURNER AND SOLID FUEL BOILER

SOLID FUEL BURNER AND SOLID FUEL BOILER

Provided is a solid fuel burner wherein a high-temperature oxygen remaining area formed on the outer periphery of flame is suppressed so that the final NO x generation can be reduced. A solid fuel burner (20) is used at a burner portion of a solid fuel boiler divided into the burner portion and an a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FUJIMURA, Koutaro, ICHINOSE, Toshimitsu, ABE, Naofumi, MATSUMOTO, Keigo, DOMOTO, Kazuhiro, KASAI, Jun
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AIR
BLASTING
BURNERS
COMBUSTION APPARATUS
COMBUSTION PROCESSES
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN
WEAPONS
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Beschreibung
Zusammenfassung:Provided is a solid fuel burner wherein a high-temperature oxygen remaining area formed on the outer periphery of flame is suppressed so that the final NO x generation can be reduced. A solid fuel burner (20) is used at a burner portion of a solid fuel boiler divided into the burner portion and an additional air charging portion, to perform a low NO x combustion, and charges granular solid fuel and air into a furnace. The solid fuel burner is provided with a fuel burner (21) in which flame is maintained, and a secondary air charging port (30) in which flame is not maintained. The air ratio of the fuel burner (21) is set at 0.85 or more.