- 专利标题： DESULFURIZING AGENT, METHOD FOR DESULFURIZING MOLTEN IRON AND METHOD FOR PRODUCING MOLTEN IRON
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申请号： EP16830368.3申请日： 2016-07-15
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公开(公告)号： EP3327150A1公开(公告)日： 2018-05-30
- 发明人: NAKAI Yoshie , KIKUCHI Naoki , MASAKI Hideya , ICHIKAWA Akira , IDO Hiroharu , MIKI Yuji
- 申请人： JFE Steel Corporation
- 申请人地址： 2-3, Uchisaiwaicho 2-chome Chiyoda-ku Tokyo 100-0011 JP
- 专利权人： JFE Steel Corporation
- 当前专利权人： JFE Steel Corporation
- 当前专利权人地址： 2-3, Uchisaiwaicho 2-chome Chiyoda-ku Tokyo 100-0011 JP
- 代理机构： Grünecker Patent- und Rechtsanwälte PartG mbB
- 优先权： JP2015146930 20150724
- 国际公布： WO2017018263 20170202
- 主分类号： C21C1/02
- IPC分类号： C21C1/02 ; C21C7/00 ; C21C7/064 ; F27D27/00
摘要：
To provide a method for desulfurizing hot metal and a method for producing hot metal, which have excellent desulfurization efficiency and are capable of reducing the cost necessary for desulfurization treatment. A desulfurization flux used for hot metal desulfurization comprising quicklime in which a total pore volume defined as a sum of volumes of pores having a pore diameter of from 0.5 µm to 10 µm is 0.1 mL/g or more.
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