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首页> 外文期刊>Revue de Metallurgie: Cahiers d'Informations Techniques >Speedy switchover of operation from Tobata No.1 to No.4 blast furnace at Yawata Works
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Speedy switchover of operation from Tobata No.1 to No.4 blast furnace at Yawata Works

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摘要

Nippon Steel Yawata Works operates with only one blast furnace in service. BF No.1 (inner volume : 4407 m~3) was blown off on January 31, 1998 after operating for thirteen years. The third campaign of BF No.4 (inner volume: 4250 m~3) 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.

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