Title:
粉体溶融バーナー
Document Type and Number:
Japanese Patent JP4288503
Kind Code:
B2
Abstract:
The object of the invention is to avoid a carry-over phenomenon that a part of powder body supplied into flames in a powder body melting burner escapes outside the flames is mixed, as unwelded, with an exhaust gas to be exhausted outside the furnace. A powder body melting burner (10) which injects a powder body, fuel, and oxygen into a furnace individually from a burner head (30) and melts the powder body in flames in which the fuel is burned under oxygen support, the powder body melting burner (10) includes a single powder body injection hole (12) provided in the center of the burner head (30); a plurality of fuel injection holes (14) disposed with a required central angle in the radial direction centering on the powder body injection hole (12); a single primary oxygen injection hole (16) provided concentrically with each of the fuel injection holes (14); and a plurality of secondary oxygen injection holes (18) arranged in large numbers with a predetermined interval so as to enclose each of the powder body injection holes (12) and the fuel injection holes (14), the plurality of secondary oxygen injection holes (18) forming a ring shape as a whole.
Inventors:
Ko Sato
Toshiki Watanabe
Tetsuo Okamoto
Toshiki Watanabe
Tetsuo Okamoto
Application Number:
JP2004341058A
Publication Date:
July 01, 2009
Filing Date:
November 25, 2004
Export Citation:
Assignee:
Daido Steel Co., Ltd.
Daido Ecomet Co., Ltd.
Daido Ecomet Co., Ltd.
International Classes:
F23D17/00; F23C99/00; F23D99/00; F23J1/00; F27D99/00
Domestic Patent References:
| JP2002295807A | ||||
| JP56157706A | ||||
| JP58016106A | ||||
| JP2003238219A | ||||
| JP2000103656A | ||||
| JP2001241638A | ||||
| JP64028407A | ||||
| JP63056224U |
Attorney, Agent or Firm:
Kiiku Yamamoto