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Title: 中低温乾留コークスと焼結鉱混合層の還元挙動
Other Titles: Reduction Behavior of Sinter with Medium and Low Temperature Carbonized Coke in Mixed Bed
Authors: 柏谷, 悦章1 Browse this author →KAKEN DB
角谷, 秀紀2 Browse this author
坂輪, 光弘3 Browse this author
今野, 乃光4 Browse this author
石井, 邦宜5 Browse this author
Authors(alt): Kashiwaya, Yoshiaki1
Kadoya, Hideki2
Sakawa, Mitsuhiro3
Kon-no, Norimitsu4
Ishii, Kuniyoshi5
Keywords: low temperature carbonized coke
hydrogen effect
heating-up reduction
mutual acceleration
new coke process
Issue Date: 1-Aug-1996
Publisher: 日本鉄鋼協会
Journal Title: 鉄と鋼
Volume: 82
Issue: 8
Start Page: 653
End Page: 658
Publisher DOI: 10.2355/tetsutohagane1955.82.8_653
Abstract: Modification of present coke oven and development of different type of coking process are investigated by many institutions. In such a trend, much attentions are paid to lower the production cost by decreasing the carbonization temperature. In this study, Medium Temperature Carbonized Coke (MTCC) or Low Temperature Carbonized Coke (LTCC) and sinter in mixed bed were served to heating-up reduction experiments. Experimental conditions were as follows: heatingup rate was 10°C/min from 200°C to 1450°C and gas composition was Ar-25.5%C0-4.5%CO2. Coke carbonized at lower temperature has generated larger amount of H2 and had much effects on reduction. So H2 from LTCC had larger effects on reduction both directly and indirectly than MTCC. In the temperature range from 600°C to 900°C, gasification reaction of high reactive carbon from carbon deposition reaction below 600°C increased the reduction potential of gas and promoted the reduction reaction. In temperature range from 900°C to 1250°C, not only the reduction by generated H2 directly, but also gasification and reduction were promoted simultaneously by mutual activation phenomenon between gasification and reduction.
Rights: 著作権は日本鉄鋼協会にある
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柏谷 悦章

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