- 专利标题： METHOD OF OPERATING BLAST FURNACE AND BLAST FURNACE ANCILLARY FACILITY
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申请号： US17755791申请日： 2020-11-11
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公开(公告)号： US20220380860A1公开(公告)日： 2022-12-01
- 发明人: Koichi TAKAHASHI , Taihei NOUCHI , Sumito OZAWA , Yuki KAWASHIRI , Yuya MORITA
- 申请人： JFE STEEL CORPORATION
- 申请人地址： JP Chiyoda-ku, Tokyo
- 专利权人： JFE STEEL CORPORATION
- 当前专利权人： JFE STEEL CORPORATION
- 当前专利权人地址： JP Chiyoda-ku, Tokyo
- 优先权： JP2019-212514 20191125
- 国际申请： PCT/JP2020/042144 WO 20201111
- 主分类号： C21B7/16
- IPC分类号： C21B7/16 ; C21B5/00
摘要：
Provided is a method of operating a blast furnace, having generating a regenerative methane gas from a by-product gas discharged from the blast furnace, and blowing a blast gas and a reducing agent into the blast furnace from a tuyere of the blast furnace in which the blast gas is oxygen gas and the regenerative methane gas is used as at least part of the reducing agent.
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