(19)
(11) EP 4 264 155 A1

(12)

(43) Date of publication:
25.10.2023 Bulletin 2023/43

(21) Application number: 21839515.0

(22) Date of filing: 16.12.2021
(51) International Patent Classification (IPC): 
F27B 1/28(2006.01)
F27D 21/00(2006.01)
C21B 7/24(2006.01)
 F27D 19/00(2006.01)
F27D 21/02(2006.01)
(52) Cooperative Patent Classification (CPC):
F27B 1/28; F27D 19/00; F27D 21/00; F27D 2019/0034; F27D 2019/0071; F27D 2021/026; F27D 21/02; C21B 7/24
(86) International application number:
PCT/EP2021/086353
(87) International publication number:
WO 2022/129442 (23.06.2022 Gazette 2022/25)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 18.12.2020 EP 20215710

(71) Applicant: Tata Steel IJmuiden B.V.
1951 JZ Velsen-Noord (NL)

(72) Inventors:
  • BLEIJENDAAL, Lucas Pancratius Johannes
    1970 CA IJmuiden (NL)
  • BORN, Stefan
    1970 CA IJmuiden (NL)
  • DE GROOT, Franciscus Theodorus
    1970 CA IJmuiden (NL)
  • HO, Hai Thong
    1970 CA IJMUIDEN (NL)

   


(54) METHOD AND DEVICE FOR RACEWAY DEPTH CONTROL IN A BLAST FURNACE