Title:
【発明の名称】溶融還元設備における予備還元炉の分散盤下面に付着したダストの除去装置
Document Type and Number:
Japanese Patent JP2536217
Kind Code:
B2
Abstract:
The invention relates to a prereduction furnace of a smelting reduction facility of iron ore consisting of a fluidizing prereduction chamber installed at the upper part of the prereduction furnace into which iron ores are fed and prereduced, a gas blowing chamber installed at the lower part of the prereduction furnace into which a reducing gas is fed, a distributor (12) installed between the fluidizing prereduction chamber and the gas blowing chamber, a first plurality of nozzles (13) passing through the distributor (12) for injecting said reducing gas in the blowing chamber into the prereduction chamber, a discharge pipe for discharging prereduced iron ores installed at a bottom center of the prereduction chamber extending through said distributor (12), in which a cooling fluid flows; at least two horizontally movable purging pipes (30) below the distributor (12), and a second plurality of nozzles (31) attached to the horizontally movable purging pipes (30) for injecting a purging gas to a bottom surface of the distributor (12).
Inventors:
MATSUO MASAHIRO
KANETANI GENJI
KANETANI GENJI
Application Number:
JP4437390A
Publication Date:
September 18, 1996
Filing Date:
February 27, 1990
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
B01J8/44; C21B11/00; C21B11/02; C22B5/18; C21B13/00; C21B13/14; F27B15/10; (IPC1-7): C21B11/00; C21B13/00
Domestic Patent References:
| JP63207985A | ||||
| JP6276896U |
Attorney, Agent or Firm:
Tomomachi Masatoshi