JP2007262501A - インペラーを用いた溶融金属の攪拌方法 - Google Patents
インペラーを用いた溶融金属の攪拌方法 Download PDFInfo
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Abstract
【解決手段】 処理容器2の溶融金属3にインペラー4を浸漬させ、該インペラーを回転させて溶融金属の浴面に渦を形成させて溶融金属を攪拌するに際し、処理容器内の溶融金属の静止湯面から渦中心の凹みまでの距離である渦中心の凹み深さ(H)を所定の計算式によって算出したときに、渦中心の凹み深さ(H)が、前記静止湯面13からインペラー上端までの距離であるインペラーの浸漬深さ(h)よりも大きくなるように、好ましくは、インペラーの浸漬深さ(h)とインペラーの高さ(b)との和(h+b)よりも大きくなるように、攪拌条件を定める。
【選択図】 図1
Description
2 溶銑鍋
3 溶銑
4 インペラー
5 CaO系脱硫剤
6 ホッパー
7 切出装置
8 シュート
9 脱硫助剤
10 ホッパー
11 切出装置
12 シュート
13 静止湯面
Claims (4)
- 処理容器内の溶融金属にインペラーを浸漬させ、該インペラーを回転させて溶融金属の浴面に渦を形成させて溶融金属を攪拌するに際し、処理容器内の溶融金属の静止湯面から渦中心の凹みまでの距離である渦中心の凹み深さ(H)を下記の(1)式〜(4)式によって算出したときに、渦中心の凹み深さ(H)が、前記静止湯面からインペラー上端までの距離であるインペラーの浸漬深さ(h)よりも大きくなるように、攪拌条件を定めることを特徴とする、インペラーを用いた溶融金属の攪拌方法。
- 処理容器内の溶融金属にインペラーを浸漬させ、該インペラーを回転させて溶融金属の浴面に渦を形成させて溶融金属を攪拌するに際し、処理容器内の溶融金属の静止湯面から渦中心の凹みまでの距離である渦中心の凹み深さ(H)を下記の(1)式〜(4)式によって算出したときに、渦中心の凹み深さ(H)が、前記静止湯面からインペラー上端までの距離であるインペラーの浸漬深さ(h)とインペラーの高さ(b)との和(h+b)よりも大きくなるように、攪拌条件を定めることを特徴とする、インペラーを用いた溶融金属の攪拌方法。
- 前記溶融金属は、溶銑または溶鋼であることを特徴とする、請求項1または請求項2に記載のインペラーを用いた溶融金属の攪拌方法。
- 前記溶融金属の攪拌方法は、脱硫剤を溶銑の浴面に供給して行う溶銑の脱硫処理プロセスにおける溶銑の攪拌方法であることを特徴とする、請求項1または請求項2に記載のインペラーを用いた溶融金属の攪拌方法。
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010116612A (ja) * | 2008-11-14 | 2010-05-27 | Jfe Steel Corp | 溶銑の脱硫方法 |
JP2010185114A (ja) * | 2009-02-13 | 2010-08-26 | Jfe Steel Corp | 溶銑の脱硫処理方法 |
JP2011032565A (ja) * | 2009-08-05 | 2011-02-17 | Sumitomo Metal Ind Ltd | 溶銑の脱硫方法 |
JP2015007267A (ja) * | 2013-06-25 | 2015-01-15 | 株式会社日向製錬所 | フェロニッケルの脱硫方法 |
WO2016142970A1 (ja) * | 2015-03-12 | 2016-09-15 | Jfeスチール株式会社 | 溶銑の脱硫処理方法及び溶銑の脱硫処理装置 |
TWI564396B (zh) * | 2014-01-10 | 2017-01-01 | Jfe Steel Corp | Method of preventing backwashing of molten iron after desulfurization |
CN113337675A (zh) * | 2021-06-04 | 2021-09-03 | 辽宁科技大学 | 一种铁水脱硫的装置与方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5949637B2 (ja) * | 2013-04-01 | 2016-07-13 | Jfeスチール株式会社 | 脱硫処理後の溶銑の復硫防止方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001220620A (ja) * | 2000-02-08 | 2001-08-14 | Kawasaki Steel Corp | インペラーによる溶融金属の攪拌方法 |
JP2001247910A (ja) * | 2000-03-03 | 2001-09-14 | Nippon Steel Corp | 溶銑の攪拌方法 |
JP2003166009A (ja) * | 2001-11-28 | 2003-06-13 | Kawasaki Steel Corp | 溶銑の脱硫方法 |
JP2003306710A (ja) * | 2002-04-17 | 2003-10-31 | Jfe Steel Kk | インペラーによる溶銑の攪拌流速制御方法 |
JP2004068036A (ja) * | 2002-08-01 | 2004-03-04 | Jfe Engineering Kk | 溶銑の脱燐方法 |
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- 2006-03-29 JP JP2006089685A patent/JP4998676B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001220620A (ja) * | 2000-02-08 | 2001-08-14 | Kawasaki Steel Corp | インペラーによる溶融金属の攪拌方法 |
JP2001247910A (ja) * | 2000-03-03 | 2001-09-14 | Nippon Steel Corp | 溶銑の攪拌方法 |
JP2003166009A (ja) * | 2001-11-28 | 2003-06-13 | Kawasaki Steel Corp | 溶銑の脱硫方法 |
JP2003306710A (ja) * | 2002-04-17 | 2003-10-31 | Jfe Steel Kk | インペラーによる溶銑の攪拌流速制御方法 |
JP2004068036A (ja) * | 2002-08-01 | 2004-03-04 | Jfe Engineering Kk | 溶銑の脱燐方法 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010116612A (ja) * | 2008-11-14 | 2010-05-27 | Jfe Steel Corp | 溶銑の脱硫方法 |
JP2010185114A (ja) * | 2009-02-13 | 2010-08-26 | Jfe Steel Corp | 溶銑の脱硫処理方法 |
JP2011032565A (ja) * | 2009-08-05 | 2011-02-17 | Sumitomo Metal Ind Ltd | 溶銑の脱硫方法 |
JP2015007267A (ja) * | 2013-06-25 | 2015-01-15 | 株式会社日向製錬所 | フェロニッケルの脱硫方法 |
TWI564396B (zh) * | 2014-01-10 | 2017-01-01 | Jfe Steel Corp | Method of preventing backwashing of molten iron after desulfurization |
KR101840962B1 (ko) * | 2014-01-10 | 2018-03-21 | 제이에프이 스틸 가부시키가이샤 | 탈황 처리 후의 용선의 복황 방지 방법 |
WO2016142970A1 (ja) * | 2015-03-12 | 2016-09-15 | Jfeスチール株式会社 | 溶銑の脱硫処理方法及び溶銑の脱硫処理装置 |
CN113337675A (zh) * | 2021-06-04 | 2021-09-03 | 辽宁科技大学 | 一种铁水脱硫的装置与方法 |
CN113337675B (zh) * | 2021-06-04 | 2023-07-14 | 辽宁科技大学 | 一种铁水脱硫的装置与方法 |
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