JP5034288B2 - 鋼の連続鋳造方法。 - Google Patents
鋼の連続鋳造方法。 Download PDFInfo
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- JP5034288B2 JP5034288B2 JP2006087298A JP2006087298A JP5034288B2 JP 5034288 B2 JP5034288 B2 JP 5034288B2 JP 2006087298 A JP2006087298 A JP 2006087298A JP 2006087298 A JP2006087298 A JP 2006087298A JP 5034288 B2 JP5034288 B2 JP 5034288B2
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- molten steel
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Description
前記浸漬ノズルからの溶鋼吐出量を4.0(t/min)以上とするとともに、前記浸漬ノズルの直胴部の内断面積A(mm2)に対する吐出孔面積の総和B(mm2)の比B/Aが1.91以上、2.3以下の浸漬ノズルを用い、かつ、該浸漬ノズルの直胴部の内断面積A(mm2)に対する溶鋼供給量Q(kg/min)の比Q/A(kg/min/mm2)を1.25以上とすることに特徴がある。
Claims (3)
- 連続鋳造鋳型内に先端に閉塞部を有し、直胴部に鋳型の両短辺に向けて各1の吐出口を設けた2孔ノズル型の浸漬ノズルを通して溶鋼を供給して連続鋳造するに当たり、
前記浸漬ノズルからの溶鋼吐出量を4.0(t/min)以上とするとともに、前記浸漬ノズルの直胴部の内断面積A(mm2)に対する吐出孔面積の総和B(mm2)の比B/Aが1.91以上、2.3以下の浸漬ノズルを用い、かつ、該浸漬ノズルの直胴部の内断面積A(mm2)に対する溶鋼供給量Q(kg/min)の比Q/A(kg/min/mm2)を1.25以上とすることを特徴とする鋼の連続鋳造方法。 - 前記浸漬ノズルからの溶鋼吐出量が9.0(t/min)以下であることを特徴とする請求項1記載の鋼の連続鋳造方法。
- 浸漬ノズルの直胴部の内断面積A(mm2)に対する溶鋼供給量Q(kg/min)の比Q/A(kg/min/mm2)が2.0以下であることを特徴とする請求項1又は2記載の鋼の連続鋳造方法
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JP2006087298A JP5034288B2 (ja) | 2006-03-28 | 2006-03-28 | 鋼の連続鋳造方法。 |
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JP2006087298A JP5034288B2 (ja) | 2006-03-28 | 2006-03-28 | 鋼の連続鋳造方法。 |
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JP2007260711A JP2007260711A (ja) | 2007-10-11 |
JP5034288B2 true JP5034288B2 (ja) | 2012-09-26 |
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0441059A (ja) * | 1990-06-05 | 1992-02-12 | Nippon Steel Corp | 連続鋳造用浸漬ノズル |
JPH0596345A (ja) * | 1991-10-04 | 1993-04-20 | Kawasaki Steel Corp | 静磁場通電法を用いた鋼の連続鋳造方法 |
JPH11188463A (ja) * | 1997-12-25 | 1999-07-13 | Kurosaki Refract Co Ltd | 連続鋳造用浸漬ノズル |
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