Title:
【発明の名称】ボイラ
Document Type and Number:
Japanese Patent JP2540636
Kind Code:
B2
Abstract:
A structure of a boiler of the type that pulverized fuel is burnt within a square barrel-shaped furnace (01) having a vertical axis, is improved so that ignitability is improved and a produced amount of NOx is decreased. Burners (21,22) for injecting pulverized fuel-air mixtures (09) are disposed at the central portions of the vertical furnace sidewalls and are inclined downwards with respect to a horizontal plane. Also, nozzles (27) for feeding air (29) are disposed under the respective burners.
Inventors:
TOKUDA KIMYO
OOGURI MASAHARU
NAKAJIMA FUMYA
OOGURI MASAHARU
NAKAJIMA FUMYA
Application Number:
JP29951789A
Publication Date:
October 09, 1996
Filing Date:
November 20, 1989
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F23C5/00; F23C5/08; F23C99/00; F23C5/32; F23C7/02; (IPC1-7): F23C5/32; F23C11/00
Domestic Patent References:
| JP61291807A |
Attorney, Agent or Firm:
Akasaka Saka (2 people outside)