JP5082700B2 - 鋼の連続鋳造方法 - Google Patents
鋼の連続鋳造方法 Download PDFInfo
- Publication number
- JP5082700B2 JP5082700B2 JP2007234520A JP2007234520A JP5082700B2 JP 5082700 B2 JP5082700 B2 JP 5082700B2 JP 2007234520 A JP2007234520 A JP 2007234520A JP 2007234520 A JP2007234520 A JP 2007234520A JP 5082700 B2 JP5082700 B2 JP 5082700B2
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- JP
- Japan
- Prior art keywords
- gas
- molten steel
- nozzle
- tundish
- mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims description 86
- 239000010959 steel Substances 0.000 title claims description 86
- 238000009749 continuous casting Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 17
- 239000007789 gas Substances 0.000 claims description 134
- 238000007664 blowing Methods 0.000 claims description 78
- 239000011449 brick Substances 0.000 claims description 29
- 239000011148 porous material Substances 0.000 claims description 25
- 238000005266 casting Methods 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 9
- 230000007547 defect Effects 0.000 description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 16
- 238000007654 immersion Methods 0.000 description 12
- 239000000843 powder Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000009849 vacuum degassing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RQMIWLMVTCKXAQ-UHFFFAOYSA-N [AlH3].[C] Chemical compound [AlH3].[C] RQMIWLMVTCKXAQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002730 mercury Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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- Continuous Casting (AREA)
Description
2 鋳型
3 タンディッシュ上ノズル
3a 上段ガス吹き込み部
3b 下段ガス吹き込み部
3c ガス導入管
3d ガス導入管
3e 本体部
3f 鉄皮
4 スライディングノズル
5 上部固定板
6 摺動板
7 下部固定板
8 整流ノズル
9 浸漬ノズル
10 吐出孔
11 溶鋼流出孔
12 往復型アクチュエーター
13 鋳型長辺
14 鋳型短辺
15 鉄皮
16 耐火物
17 溶鋼
18 吐出流
18a 上昇流
18b 下降流
19 溶鋼湯面
20 モールドパウダー
21 凝固シェル
Claims (1)
- 連続鋳造用タンディッシュ上ノズルにポーラス煉瓦からなるガス吹き込み部を上下2段に設け、上段のガス吹き込み部のポーラス煉瓦の気孔径を下段のガス吹き込み部のポーラス煉瓦の気孔径よりも小さくし、鋳造中に、上段のガス吹き込み部からはArガスを、下段のガス吹き込み部からは窒素ガスまたは窒素ガスとArガスとの混合ガスを吹き込むことを特徴とする、鋼の連続鋳造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007234520A JP5082700B2 (ja) | 2007-09-10 | 2007-09-10 | 鋼の連続鋳造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007234520A JP5082700B2 (ja) | 2007-09-10 | 2007-09-10 | 鋼の連続鋳造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009066603A JP2009066603A (ja) | 2009-04-02 |
JP5082700B2 true JP5082700B2 (ja) | 2012-11-28 |
Family
ID=40603423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007234520A Active JP5082700B2 (ja) | 2007-09-10 | 2007-09-10 | 鋼の連続鋳造方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5082700B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103586448B (zh) * | 2013-10-25 | 2016-08-17 | 江苏联峰能源装备有限公司 | 一种氩封透气砖 |
CN103862028B (zh) * | 2014-03-14 | 2016-04-20 | 莱芜钢铁集团有限公司 | 一种连铸中间包透气上水口座砖及其安装方法 |
JP6434845B2 (ja) * | 2015-03-31 | 2018-12-05 | 黒崎播磨株式会社 | ポーラス質耐火物、連続鋳造用ノズル及び連続鋳造方法 |
CN107649672A (zh) * | 2017-08-04 | 2018-02-02 | 青岛东冶耐火材料有限公司 | 一种板坯中间包透气上水口及其制造方法 |
CN118527608A (zh) * | 2024-07-24 | 2024-08-23 | 洛阳科丰冶金新材料有限公司 | 一种新型连铸保护渣喷雾造粒装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2841429B2 (ja) * | 1989-03-09 | 1998-12-24 | 日本鋼管株式会社 | 鋼の連続鋳造方法 |
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2007
- 2007-09-10 JP JP2007234520A patent/JP5082700B2/ja active Active
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Publication number | Publication date |
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JP2009066603A (ja) | 2009-04-02 |
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