发明名称 |
Tuyere of blast furnace. |
摘要 |
A tuyere for a blast furnace comprises a water-cooled tuyere (1) and a burner (2), fitted inside the water-cooled tuyere. The burner is composed of an inner pipe (3), an intermediate pipe (4) and an outer pipe (5) which form almost a common center axis of a concentric circle. The inside of the inner pipe (3) is used for a pulverized coal path (6), an oxygen feed path (7) being in between the inner pipe (3) and the intermediate pipe (4) and a flame temperature control gas feed path (8) in between the intermediate pipe (4) and the outer pipe (5). The burner is equipped with a water-cooled jacket (9) outside the top end of the burner. |
申请公布号 |
EP0278221(A1) |
申请公布日期 |
1988.08.17 |
申请号 |
EP19880100169 |
申请日期 |
1988.01.08 |
申请人 |
NIPPON KOKAN KABUSHIKI KAISHA |
发明人 |
HOTTA, HIROHISA PATENT & LICENSE QUAL. STAND.DEPT.;OONO, YOTARO PATENT & LICENSE QUAL. STAND. DEPT.;MATSUURA, MASAHIRO PATENT&LICENSE QUAL.STAND.DEPT. |
分类号 |
C21B5/00;C21B7/16;F23D1/00 |
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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