发明名称 |
METHOD FOR OPERATING BLAST FURNACE |
摘要 |
A method for operation of a blast furnace able to greatly reduce the CO 2 emission and enabling stable production of pig iron over a long period of time in a commercial blast furnace, that is, a method for operation of a blast furnace in which iron ore and coke are charged from a furnace top and is blown in pulverized coal from a usual tuyere, comprising blowing in a gas containing at least one of hydrogen and hydrocarbon from the usual tuyere together with the pulverized coal and blowing a gas comprised of a top gas of the blast furnace from which carbon dioxide and steam is removed from a shaft tuyere into the blast furnace. |
申请公布号 |
EP3093352(A1) |
申请公布日期 |
2016.11.16 |
申请号 |
EP20150735464 |
申请日期 |
2015.01.06 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION;JFE STEEL CORPORATION;KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.);NISSHIN STEEL CO., LTD.;NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD. |
发明人 |
INADA, TAKANOBU;SAKAI, HIROSHI;UJISAWA, YUTAKA |
分类号 |
C21B5/00;C21B5/06;F27D17/00 |
主分类号 |
C21B5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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