(19)
(11) EP 1 060 273 A1

(12)

(43) Date of publication:
20.12.2000 Bulletin 2000/51

(21) Application number: 98961657.8

(22) Date of filing: 22.12.1998
(51) International Patent Classification (IPC)7: C21B 13/00
(86) International application number:
PCT/KR9800/451
(87) International publication number:
WO 0037/687 (29.06.2000 Gazette 2000/26)
(84) Designated Contracting States:
AT DE GB IT LU SE

(71) Applicants:
  • POHANG IRON & STEEL CO., LTD.
    Pohang City,Kyongsangbook-do 790-300 (KR)
  • RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Pohang City,Kyong Sang Book-Do 790-330 (KR)
  • VOEST-ALPINE INDUSTRIEANLAGENBAUGESELLSCHAFT m.b.H.
    A-4031 Linz (AT)

(72) Inventors:
  • Kim, Hang Goo,Res. Inst. of Ind. Science & Techn.
    Pohang-si,Kyungsangbook-do 790-330 (KR)
  • Lee, Il Ock,Res. Inst. of Ind. Science & Techn.
    Pohang-si,Kyungsangbook-do 790-330 (KR)
  • Kang, Heung Won,Res. Inst. Ind. Science & Techn.
    Pohang-si,Kyungsangbook-do 790-330 (KR)
  • Jeong, Sun Kwang,Res. Inst. Ind. Science & Tech.
    Pohan-si,Kyungsangbook-do 790-330 (KR)

(74) Representative: Boden, Keith McMurray 
Astra AktiebolagIntellectual Property
151 85 Södertalje
151 85 Södertalje (SE)

   


(54) COMPLEX FLUIDIZED BED TYPE FINE IRON ORE REDUCING APPARATUS, AND METHOD THEREFOR