CN100547086C - 钢水炉外精炼用喷吹粉剂及制备和应用方法 - Google Patents
钢水炉外精炼用喷吹粉剂及制备和应用方法 Download PDFInfo
- Publication number
- CN100547086C CN100547086C CNB2007101585775A CN200710158577A CN100547086C CN 100547086 C CN100547086 C CN 100547086C CN B2007101585775 A CNB2007101585775 A CN B2007101585775A CN 200710158577 A CN200710158577 A CN 200710158577A CN 100547086 C CN100547086 C CN 100547086C
- Authority
- CN
- China
- Prior art keywords
- calcium
- powder
- molten steel
- pulvis
- calcium aluminate
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 239000000843 powder Substances 0.000 title claims abstract description 44
- 238000007670 refining Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007664 blowing Methods 0.000 title claims abstract description 14
- 239000011575 calcium Substances 0.000 claims abstract description 44
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 40
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 39
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 21
- 239000002184 metal Substances 0.000 abstract description 21
- 238000005516 engineering process Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 238000002161 passivation Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 17
- CPGKMLVTFNUAHL-UHFFFAOYSA-N [Ca].[Ca] Chemical compound [Ca].[Ca] CPGKMLVTFNUAHL-UHFFFAOYSA-N 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 239000005864 Sulphur Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009628 steelmaking Methods 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- -1 Calcium aluminate Chemical class 0.000 description 1
- 229910000840 Capped steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007101585775A CN100547086C (zh) | 2007-11-28 | 2007-11-28 | 钢水炉外精炼用喷吹粉剂及制备和应用方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007101585775A CN100547086C (zh) | 2007-11-28 | 2007-11-28 | 钢水炉外精炼用喷吹粉剂及制备和应用方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101161826A CN101161826A (zh) | 2008-04-16 |
CN100547086C true CN100547086C (zh) | 2009-10-07 |
Family
ID=39296811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007101585775A Expired - Fee Related CN100547086C (zh) | 2007-11-28 | 2007-11-28 | 钢水炉外精炼用喷吹粉剂及制备和应用方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100547086C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102395690A (zh) * | 2009-04-17 | 2012-03-28 | 新日本制铁株式会社 | 粉体输送方法 |
CN102230050A (zh) * | 2011-06-02 | 2011-11-02 | 内蒙古包钢钢联股份有限公司 | 一种时速350公里及以上重轨钢中氮含量的控制方法 |
CN106119463A (zh) * | 2016-06-30 | 2016-11-16 | 铜陵海源超微粉体有限公司 | 粉体输送方法 |
CN108048615A (zh) * | 2017-12-25 | 2018-05-18 | 上海盛宝冶金科技有限公司 | 一种铁水预处理用脱硫剂及其制备方法 |
CN115505684B (zh) * | 2022-08-30 | 2024-01-19 | 马鞍山钢铁股份有限公司 | 一种溶钙析钙气浴法的夹杂物变性去除工艺 |
-
2007
- 2007-11-28 CN CNB2007101585775A patent/CN100547086C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101161826A (zh) | 2008-04-16 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: METALLURGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD. Free format text: FORMER OWNER: SUN ZHONGQIANG Effective date: 20110722 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110722 Address after: 278 box 11, Northeastern University, Heping lane, Lane 3, Lane 110004, Heping District, Liaoning, Shenyang Patentee after: Metallurgy Technology Research Institute Co., Ltd., Northeast University Address before: 278 box 11, Northeastern University, Heping lane, Lane 3, Lane 110004, Heping District, Liaoning, Shenyang Patentee before: Sun Zhongqiang |
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C56 | Change in the name or address of the patentee |
Owner name: NORTHEASTEM UNIVERSITY METALLURGICAL TECHNOLOGY IN Free format text: FORMER NAME: METALLURGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD., NORTHEAST UNIVERSITY |
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CP01 | Change in the name or title of a patent holder |
Address after: 278 box 11, Northeastern University, Heping lane, Lane 3, Lane 110004, Heping District, Liaoning, Shenyang Patentee after: NORTHEASTERN UNIVERSITY METALURGICAL TECHNOLOGY INSTITUTE CO., LTD. Address before: 278 box 11, Northeastern University, Heping lane, Lane 3, Lane 110004, Heping District, Liaoning, Shenyang Patentee before: Metallurgy Technology Research Institute Co., Ltd., Northeast University |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20161128 |
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CF01 | Termination of patent right due to non-payment of annual fee |