CN107828931A - 一种不用流态化石灰和钝化镁的喷吹法铁水预脱硫工艺 - Google Patents
一种不用流态化石灰和钝化镁的喷吹法铁水预脱硫工艺 Download PDFInfo
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- CN107828931A CN107828931A CN201711065354.4A CN201711065354A CN107828931A CN 107828931 A CN107828931 A CN 107828931A CN 201711065354 A CN201711065354 A CN 201711065354A CN 107828931 A CN107828931 A CN 107828931A
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- China
- Prior art keywords
- molten iron
- lime
- iron
- technique
- ladle
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- 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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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711065354.4A CN107828931A (zh) | 2017-11-02 | 2017-11-02 | 一种不用流态化石灰和钝化镁的喷吹法铁水预脱硫工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711065354.4A CN107828931A (zh) | 2017-11-02 | 2017-11-02 | 一种不用流态化石灰和钝化镁的喷吹法铁水预脱硫工艺 |
Publications (1)
Publication Number | Publication Date |
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CN107828931A true CN107828931A (zh) | 2018-03-23 |
Family
ID=61651530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711065354.4A Pending CN107828931A (zh) | 2017-11-02 | 2017-11-02 | 一种不用流态化石灰和钝化镁的喷吹法铁水预脱硫工艺 |
Country Status (1)
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CN (1) | CN107828931A (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102268505A (zh) * | 2011-08-04 | 2011-12-07 | 沈阳东北大学冶金技术研究所有限公司 | 一种铁水包内铁水预脱硫的方法 |
CN102899440A (zh) * | 2012-10-23 | 2013-01-30 | 秦皇岛首秦金属材料有限公司 | 一种铁水预处理脱硅的方法 |
CN102978322A (zh) * | 2012-11-20 | 2013-03-20 | 首钢总公司 | 防止kr脱硫发生铁水喷溅的方法 |
JP2013237892A (ja) * | 2012-05-15 | 2013-11-28 | Jfe Steel Corp | 脱硫処理後の溶銑の復硫防止方法 |
CN104404204A (zh) * | 2014-12-04 | 2015-03-11 | 武汉钢铁(集团)公司 | 铁水脱硫控制喷溅的方法 |
CN105385809A (zh) * | 2015-10-23 | 2016-03-09 | 首钢总公司 | 一种含硫铁水脱硫方法 |
CN105734202A (zh) * | 2014-12-09 | 2016-07-06 | 重庆凌云工具有限公司 | 一种铁水预处理工艺 |
-
2017
- 2017-11-02 CN CN201711065354.4A patent/CN107828931A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102268505A (zh) * | 2011-08-04 | 2011-12-07 | 沈阳东北大学冶金技术研究所有限公司 | 一种铁水包内铁水预脱硫的方法 |
JP2013237892A (ja) * | 2012-05-15 | 2013-11-28 | Jfe Steel Corp | 脱硫処理後の溶銑の復硫防止方法 |
CN102899440A (zh) * | 2012-10-23 | 2013-01-30 | 秦皇岛首秦金属材料有限公司 | 一种铁水预处理脱硅的方法 |
CN102978322A (zh) * | 2012-11-20 | 2013-03-20 | 首钢总公司 | 防止kr脱硫发生铁水喷溅的方法 |
CN104404204A (zh) * | 2014-12-04 | 2015-03-11 | 武汉钢铁(集团)公司 | 铁水脱硫控制喷溅的方法 |
CN105734202A (zh) * | 2014-12-09 | 2016-07-06 | 重庆凌云工具有限公司 | 一种铁水预处理工艺 |
CN105385809A (zh) * | 2015-10-23 | 2016-03-09 | 首钢总公司 | 一种含硫铁水脱硫方法 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Ma'anshan, Anhui Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
|
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |