CN102144038B - 铁液的脱硫方法 - Google Patents
铁液的脱硫方法 Download PDFInfo
- Publication number
- CN102144038B CN102144038B CN2009801343275A CN200980134327A CN102144038B CN 102144038 B CN102144038 B CN 102144038B CN 2009801343275 A CN2009801343275 A CN 2009801343275A CN 200980134327 A CN200980134327 A CN 200980134327A CN 102144038 B CN102144038 B CN 102144038B
- Authority
- CN
- China
- Prior art keywords
- iron liquid
- blown
- metal
- cao powder
- cao
- 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.)
- Active
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Classifications
-
- 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
- C21C7/0645—Agents used for 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
- C21C1/02—Dephosphorising or desulfurising
-
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- 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
- C21C7/072—Treatment with gases
Landscapes
- 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 (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-228502 | 2008-09-05 | ||
JP2008228502A JP4445564B2 (ja) | 2008-09-05 | 2008-09-05 | 溶銑の脱硫方法 |
PCT/JP2009/004414 WO2010026775A1 (ja) | 2008-09-05 | 2009-09-07 | 溶銑の脱硫方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102144038A CN102144038A (zh) | 2011-08-03 |
CN102144038B true CN102144038B (zh) | 2013-06-19 |
Family
ID=41796954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801343275A Active CN102144038B (zh) | 2008-09-05 | 2009-09-07 | 铁液的脱硫方法 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4445564B2 (zh) |
KR (1) | KR101260149B1 (zh) |
CN (1) | CN102144038B (zh) |
BR (1) | BRPI0919179B1 (zh) |
WO (1) | WO2010026775A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5493737B2 (ja) * | 2009-11-10 | 2014-05-14 | 新日鐵住金株式会社 | 溶銑の脱硫方法 |
US10687403B2 (en) | 2016-03-21 | 2020-06-16 | Koninklijke Philips N.V. | Adaptive lighting system for a mirror component and a method of controlling an adaptive lighting system |
WO2018135344A1 (ja) * | 2017-01-19 | 2018-07-26 | Jfeスチール株式会社 | 溶鋼の脱硫処理方法及び脱硫剤 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1095762A (zh) * | 1994-01-08 | 1994-11-30 | 中国冶金技术公司 | 使用铝渣进行的钢铁冶炼方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55110711A (en) * | 1979-02-16 | 1980-08-26 | Nippon Steel Corp | Desulfurization of molten pig iron |
JPH06330128A (ja) * | 1993-05-17 | 1994-11-29 | Kawasaki Steel Corp | 溶銑の脱硫剤及びそれを用いた脱硫方法 |
JP4344070B2 (ja) * | 2000-06-07 | 2009-10-14 | 新日本製鐵株式会社 | 密閉型フリーボードを用いた溶銑脱硫方法 |
-
2008
- 2008-09-05 JP JP2008228502A patent/JP4445564B2/ja active Active
-
2009
- 2009-09-07 WO PCT/JP2009/004414 patent/WO2010026775A1/ja active Application Filing
- 2009-09-07 KR KR1020117004978A patent/KR101260149B1/ko active IP Right Grant
- 2009-09-07 BR BRPI0919179-8A patent/BRPI0919179B1/pt active IP Right Grant
- 2009-09-07 CN CN2009801343275A patent/CN102144038B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1095762A (zh) * | 1994-01-08 | 1994-11-30 | 中国冶金技术公司 | 使用铝渣进行的钢铁冶炼方法 |
Non-Patent Citations (3)
Title |
---|
JP昭55-110711A 1980.08.26 |
JP特开2001-348607A 2001.12.18 |
JP特开平6-330128A 1994.11.29 |
Also Published As
Publication number | Publication date |
---|---|
WO2010026775A1 (ja) | 2010-03-11 |
CN102144038A (zh) | 2011-08-03 |
KR20110049846A (ko) | 2011-05-12 |
BRPI0919179B1 (pt) | 2017-11-21 |
KR101260149B1 (ko) | 2013-05-02 |
JP4445564B2 (ja) | 2010-04-07 |
JP2010059518A (ja) | 2010-03-18 |
BRPI0919179A2 (pt) | 2015-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NIPPON STEEL + SUMITOMO METAL CORPORATION Free format text: FORMER OWNER: SHIN NIPPON STEEL LTD. Effective date: 20130407 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20130407 Address after: Tokyo, Japan Applicant after: Nippon Steel Corporation Address before: Tokyo, Japan Applicant before: Nippon Steel Corporation |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Nippon Iron & Steel Corporation Address before: Tokyo, Japan Patentee before: Nippon Steel Corporation |
|
CP01 | Change in the name or title of a patent holder |