Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Development of High Ratio Coke Mixed Charging Technique to the Blast Furnace
Shiro WATAKABEKanji TAKEDAHirobumi NISHIMURAShigeaki GOTONozomu NISHIMURATetsuro UCHIDAMitsuru KIGUCHI
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2006 Volume 92 Issue 12 Pages 901-910

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Abstract

Technique for high ratio coke mixed charging was developed and applied at JFE Steel's East Japan Works (Chiba District) No. 6 blast furnace as the first case of application to a large blast furnace. Simultaneous discharging of ore and coke from the top bunkers, and the precise control of burden distribution technique with the mathematical model considering the segregation behabior of mixed layer have made it possible. Since April 2002, high productivity operation with the world's lowest level of sinter ratio has been conducted using high ratio coke mixed charging technique.

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© The Iron and Steel Institute of Japan
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