Title:
燃焼バーナ及びその炉内燃焼方法
Document Type and Number:
Japanese Patent JP3557028
Kind Code:
B2
Abstract:
A combustion burner (1) comprises: an air supply passage (3) for supplying an air to a heating furnace (11); a primary fuel nozzle (6) for supplying a primary fuel to the air supply passage; secondary fuel nozzles (7) arranged around the air supply port (3A) of the air supply passage; and the secondary fuel nozzles being arranged so that a distance L (mm) from an outer periphery of the air supply port to the outer periphery of the secondary fuel supply port is larger than the diameter Da ( mm ) of the air supply port. A combustion method comprises: injecting fuel substantially from the primary fuel nozzle when an infurnace temperature of the heating furnace is lower than a fuel ignition temperature; and injecting fuel substantially from the secondary fuel nozzle when an infurnace temperature of the heating furnace is higher than a fuel ignition temperature.
Inventors:
Shunichi Sugiyama
Munehiro Ishioka
Munehiro Ishioka
Application Number:
JP2670596A
Publication Date:
August 25, 2004
Filing Date:
February 14, 1996
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
F23D14/66; F23C5/00; F23C9/00; F23C99/00; F23D11/00; F23D14/22; F23D23/00; F23L15/02; (IPC1-7): F23L15/02; F23C11/00; F23D14/22; F23D14/66
Domestic Patent References:
| JP1300103A | ||||
| JP6159613A | ||||
| JP56157706A | ||||
| JP58187712A |
Attorney, Agent or Firm:
Hideo Takino
Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi
Takako Imai
Masaki Kanda
Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi
Takako Imai
Masaki Kanda