Rev. Met. Paris
Volume 97, Number 7-8, Juillet-Août 2000
|Page(s)||887 - 896|
|Published online||13 January 2017|
Speedy switchover of operation from Tobata No. 1 to No. 4 blast furnace at Yawata Works*
Passage rapide de l’exploitation du haut-fourneau n° 1 au hautfourneau n° 4 de Tobata, usine de Yawata
Nippon Steel Yawata Works operates with only one blast furnace in service. BF No. 1 (inner volume : 4407 m3) was blown off on January 31, 1998 after operating for thirteen years. The third campaign of BF No. 4 (inner volume : 4250 m3) was started the following day and productivity reached 2.0 t/d.m3 IV after fifteen days of operation. This paper describes the characteristics of the relining of No. 4 furnace. Also presented is the background of the speedy switchover of large blast furnace operation and the rapid increase in productivity without any reduction in output.
© La Revue de Métallurgie 2000
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