Title:
【発明の名称】鉄鉱石粒子用流動層型還元装置及び該装置を使用した鉄鉱石粒子の還元方法
Document Type and Number:
Japanese Patent JPH09506935
Kind Code:
A
Abstract:
PCT No. PCT/KR95/00182 Sec. 371 Date Oct. 28, 1996 Sec. 102(e) Date Oct. 28, 1996 PCT Filed Dec. 28, 1995 PCT Pub. No. WO96/21045 PCT Pub. Date Jul. 11, 1996A reduction apparatus and a method for efficient reduction of fine iron ores of wide grain range comprising serially arranged a drying/preheating furnace, a first reducing furnace for prereduction and a second reduction furnace for final reduction, each working with bubbling fluidized bed and being connected each to a cyclone for capturing iron ore dust contained in the exhaust gases, having each a tapered shape smoothly expanded outwards and thus considerably decreasing elutriation of fine particles, increasing the reduction efficiency and enhancing the utilization of the reducing gas.
Inventors:
Lee, Iruoc
Kim, Yong Ha
Jung, Bong Jin
Kim, Hang Goo
Hautsenberger, Franz
Kim, Yong Ha
Jung, Bong Jin
Kim, Hang Goo
Hautsenberger, Franz
Application Number:
JP52086296A
Publication Date:
July 08, 1997
Filing Date:
December 28, 1995
Export Citation:
Assignee:
Pohang Iron and Steel Company Limited
Research Institute of Industrial Science and Technology
Voest-Alpin Industrie Anne Lagenbao Jmbi Etch
Research Institute of Industrial Science and Technology
Voest-Alpin Industrie Anne Lagenbao Jmbi Etch
International Classes:
C21B13/00; C21B11/00; C21B13/14; (IPC1-7): C21B13/00
Attorney, Agent or Firm:
Masaaki Kobayashi