JP5045133B2 - 鋼の連続鋳造方法、及び表面処理鋼板の製造方法 - Google Patents
鋼の連続鋳造方法、及び表面処理鋼板の製造方法 Download PDFInfo
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- JP5045133B2 JP5045133B2 JP2007026483A JP2007026483A JP5045133B2 JP 5045133 B2 JP5045133 B2 JP 5045133B2 JP 2007026483 A JP2007026483 A JP 2007026483A JP 2007026483 A JP2007026483 A JP 2007026483A JP 5045133 B2 JP5045133 B2 JP 5045133B2
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- steel
- molten steel
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- 229910000831 Steel Inorganic materials 0.000 title claims description 47
- 239000010959 steel Substances 0.000 title claims description 47
- 238000009749 continuous casting Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000007654 immersion Methods 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 230000007547 defect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 239000000843 powder Substances 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 230000005499 meniscus Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004575 stone Substances 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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- Continuous Casting (AREA)
Description
10…鋳型
12…浸漬ノズル
12a…吐出孔
20…交流磁界発生装置
22…櫛歯状鉄芯
24…交流用電極石のコイル
28…交流用電極石の磁極
30…直流磁界発生装置
34…直流用電極石の磁極
36…直流用電極石のコイル
Claims (4)
- 連続鋳造用鋳型の長辺背面に配置した、鋳型長辺を挟み対向する磁極にて磁界を印加して、浸漬ノズルにより流入される鋳型内溶鋼の流動を制御する鋼の連続鋳造方法において、
互いに独立した交流磁界用磁極と直流磁界用磁極を用いて、
鋳型長辺の全幅にわたって、浸漬ノズルの吐出孔より上側の溶鋼のみに、交流磁界と直流磁界を重ねて印加すると共に、
浸漬ノズルから吹き込むアルゴンガス量を2Nl/分以上30Nl/分以下とすることを特徴とする鋼の連続鋳造方法。 - 溶鋼スループット量が4トン/分以上6.5トン/分以下であることを特徴とする請求項1に記載の鋼の連続鋳造方法。
- 鋳片の厚みが180mm以上310mm以下であることを特徴とする請求項2に記載の鋼の連続鋳造方法。
- 請求項1乃至3のいずれかに記載の連続鋳造方法により製造した鋳片を用いて製造することを特徴とする表面処理鋼板の製造方法。
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JP2007026483A JP5045133B2 (ja) | 2007-02-06 | 2007-02-06 | 鋼の連続鋳造方法、及び表面処理鋼板の製造方法 |
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JP2007026483A JP5045133B2 (ja) | 2007-02-06 | 2007-02-06 | 鋼の連続鋳造方法、及び表面処理鋼板の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2008188644A JP2008188644A (ja) | 2008-08-21 |
JP5045133B2 true JP5045133B2 (ja) | 2012-10-10 |
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JP2007026483A Active JP5045133B2 (ja) | 2007-02-06 | 2007-02-06 | 鋼の連続鋳造方法、及び表面処理鋼板の製造方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5354179B2 (ja) * | 2009-03-26 | 2013-11-27 | Jfeスチール株式会社 | 鋼鋳片の連続鋳造方法 |
KR102363736B1 (ko) * | 2018-07-17 | 2022-02-16 | 닛폰세이테츠 가부시키가이샤 | 주형 설비 및 연속 주조 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09108797A (ja) * | 1995-10-20 | 1997-04-28 | Nkk Corp | 鋼の連続鋳造方法 |
JP3697585B2 (ja) * | 2001-02-20 | 2005-09-21 | Jfeスチール株式会社 | 鋼の連続鋳造方法及び設備 |
JP2002263800A (ja) * | 2001-03-13 | 2002-09-17 | Nippon Steel Corp | 溶融金属の流動制御装置及び方式 |
JP4348988B2 (ja) * | 2003-04-11 | 2009-10-21 | Jfeスチール株式会社 | 鋼の連続鋳造方法 |
JP4539024B2 (ja) * | 2003-04-22 | 2010-09-08 | Jfeスチール株式会社 | 鋼の連続鋳造方法 |
JP4411945B2 (ja) * | 2003-11-26 | 2010-02-10 | Jfeスチール株式会社 | 極低炭素鋼のスラブ連続鋳造方法 |
JP2006263743A (ja) * | 2005-03-22 | 2006-10-05 | Jfe Steel Kk | 連続鋳造用鋳型 |
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