Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FACILITY AND METHOD FOR PRODUCING REDUCED IRON POWDER
Document Type and Number:
Japanese Patent JP2013079423
Kind Code:
A
Abstract:

To provide a facility and method for producing reduced iron powder which efficiently performs finish reduction processing of crude iron powder such as rough-reduced iron powder and atomized iron powder.

The facility for producing reduced iron powder includes: a hopper for storing and supplying the crude iron powder such as rough-reduced iron powder and atomized iron powder; and a continuous movable bed furnace for applying at least one finish reduction processing of decarburization, deoxidation and denitrification to the crude iron powder. In the facility for producing reduced iron powder, a heating pipe through which a heating medium gas can circulate, and a straightening plate having an isosceles triangle shape with a base angle of 45° or more are provided in a position inside the hopper upper than the position of a supply port part of the hopper, wherein the supply port part of the hopper is a part having the same cross-sectional shape as a supply port positioned at a lower end of the hopper.


Inventors:
SAKAGUCHI YASUHIKO
HIGUCHI KAZUO
Application Number:
JP2011219727A
Publication Date:
May 02, 2013
Filing Date:
October 04, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JFE STEEL CORP
International Classes:
B22F1/00; F27B9/04; F27B9/36; F27D7/02; F27D13/00; F27D17/00; C22C38/00
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori