CN103834765A - Steelmaking slag-making material - Google Patents
Steelmaking slag-making material Download PDFInfo
- Publication number
- CN103834765A CN103834765A CN201210473668.9A CN201210473668A CN103834765A CN 103834765 A CN103834765 A CN 103834765A CN 201210473668 A CN201210473668 A CN 201210473668A CN 103834765 A CN103834765 A CN 103834765A
- Authority
- CN
- China
- Prior art keywords
- slag
- lime
- alumina
- steelmaking
- making
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 62
- 238000009628 steelmaking Methods 0.000 title claims abstract description 28
- 239000002893 slag Substances 0.000 claims abstract description 61
- 239000010436 fluorite Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 27
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 22
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 22
- 239000004571 lime Substances 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 13
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 11
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000000395 magnesium oxide Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 5
- 239000010459 dolomite Substances 0.000 abstract 2
- 229910000514 dolomite Inorganic materials 0.000 abstract 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 101100399296 Mus musculus Lime1 gene Proteins 0.000 description 15
- 239000007788 liquid Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002739 metals Chemical class 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
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a steelmaking slag-making material, and the slag-making material comprises the following materials in parts by weight: 65-75% of lime, 9-13% of fluorite powder, 16-20% of alumina, 6-8% of dolomite, and impurities. The lime containing in the slag-making material is a necessary ingredient for slag making, modification and the like in steelmaking production, helps to improve the furnace slag basicity, and ensures a good deoxidation effect, the alumina can adjust the slag system melting point, with increasing of the alumina, the viscosity of slag may increase, by control of the content between 16 and 20, a better slag-making effect can be achieved, by addition of the fluorite powder, the slag bonding degree can be reduced, and bonded slag on steel ladles can be prevented, the fluorite powder can accelerate the dissolution of the lime, and improve the furnace slag liquidity, magnesia contained in the dolomite can prolong the life of a fire resistant material, the fluorite powder and the alumina used in the slag-making material are slag materials used by electroslag remelting, and experiments show that the used fluorite powder and the alumina as the steelmaking slag-making material can exhibit better steelmaking slag-making effect, and play the role of turning waste materials into things of value.
Description
Technical field
The present invention relates to a kind of material, especially a kind of steelmaking slagging material.
Background technology
At present, user is more and more higher to the specification of quality of steel, not only require inclusion content of steel few, be mingled with granularity also little, the object of esr is purify metals and obtain the steel ingot of pure homogeneous microstructure densification, in the slag charge using, mainly contains Fluorspar Powder and aluminum oxide at esr, and steelmaking slagging material, be generally to use lime and fluorite in the market, all can not get good utilization for slag charge Fluorspar Powder and the aluminum oxide of esr, waste material is many.
Summary of the invention
In order to address the above problem, the invention provides a kind of used material and carry out steelmaking slagging, steelmaking slagging is effective.
In order to achieve the above object, the present invention is achieved by the following technical solutions:
The present invention is a kind of steelmaking slagging material, and described slag making materials comprises the material of following weight part: lime 65-75%, Fluorspar Powder 9-13%, aluminum oxide 16-20%, rhombspar 6-8% and a small amount of inevitably impurity.
A kind of steelmaking slagging material of the present invention, described slag making materials comprises the material of following weight part: lime 65%, Fluorspar Powder 13%, aluminum oxide 20%, rhombspar 8% and a small amount of inevitably impurity.
A kind of steelmaking slagging material of the present invention, described slag making materials comprises the material of following weight part: lime 70%, Fluorspar Powder 12%, aluminum oxide 18%, rhombspar 7% and a small amount of inevitably impurity.
A kind of steelmaking slagging material of the present invention, described slag making materials comprises the material of following weight part: lime 75%, Fluorspar Powder 9%, aluminum oxide 16%, rhombspar 6% and a small amount of inevitably impurity.
The invention has the beneficial effects as follows: the lime containing in slag making materials of the present invention is slag making in STEELMAKING PRODUCTION, the requisite composition such as modification, be conducive to improve the basicity of slag, also be conducive to slag system deoxidation, ensure good deoxidation effect, but the too high levels of lime, can make the viscosity of slag also increase, aluminum oxide can be adjusted the fusing point of slag system, along with the increase of aluminum oxide, the viscosity of slag will increase, the content of aluminum oxide is controlled between 16-20, can obtain good slag making effect, and Fluorspar Powder add the degree that can reduce dry slag, prevent ladle dry slag, Fluorspar Powder can also accelerate the dissolving of lime, improve the moving property of slag, fluxing action is fast, the magnesium oxide containing in rhombspar can extend the life-span of refractory materials, Fluorspar Powder in this slag making materials and aluminum oxide are the slag charge after esr uses, used Fluorspar Powder and aluminum oxide are used as to steelmaking slagging material, our experiments show that, steelmaking slagging better effects if, and play the effect of turning waste into wealth.
Slag making materials of the present invention, can effectively remove the harmful element p and s in steel, protection molten steel, and the recovery rate of raising metal, reaches the requirement of steel grade.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the present invention is described in further detail, this embodiment, only for explaining the present invention, does not form and limits protection scope of the present invention.
The present invention is a kind of steelmaking slagging material, and described slag making materials comprises the material of following weight part: lime 65-75%, Fluorspar Powder 9-13%, aluminum oxide 16-20%, rhombspar 6-8% and a small amount of inevitably impurity.Slag making materials of the present invention is poured into, and slag making is fused into liquid state, covers uniformly molten steel top.
Embodiment mono-
The present invention is a kind of steelmaking slagging material, and described slag making materials comprises the material of following weight part: lime 65%, Fluorspar Powder 13%, aluminum oxide 20%, rhombspar 8% and a small amount of inevitably impurity.Slag making materials of the present invention is poured into, and slag making is fused into liquid state, covers uniformly molten steel top, and slag making is effective.
Embodiment bis-
The present invention is a kind of steelmaking slagging material, described slag making materials comprises the material of following weight part: lime 70%, Fluorspar Powder 12%, aluminum oxide 18%, rhombspar 7% and a small amount of inevitably impurity, pour slag making materials of the present invention into, and slag making is fused into liquid state, cover uniformly molten steel top, slag making is effective.
Embodiment tri-
The present invention is a kind of steelmaking slagging material, described slag making materials comprises the material of following weight part: lime 75%, Fluorspar Powder 9%, aluminum oxide 16%, rhombspar 6% and a small amount of inevitably impurity, pour slag making materials of the present invention into, and slag making is fused into liquid state, cover uniformly molten steel top, slag making is effective.
The lime containing in slag making materials of the present invention is slag making in STEELMAKING PRODUCTION, the requisite composition such as modification, be conducive to improve the basicity of slag, also be conducive to slag system deoxidation, ensure good deoxidation effect, but the too high levels of lime, can make the viscosity of slag also increase, aluminum oxide can be adjusted the fusing point of slag system, along with the increase of aluminum oxide, the viscosity of slag will increase, the content of aluminum oxide is controlled between 16-20, can obtain good slag making effect, and Fluorspar Powder add the degree that can reduce dry slag, prevent ladle dry slag, Fluorspar Powder can also accelerate the dissolving of lime, improve the moving property of slag, fluxing action is fast, the magnesium oxide containing in rhombspar can extend the life-span of refractory materials, Fluorspar Powder in this slag making materials and aluminum oxide are the slag charge after esr uses, used Fluorspar Powder and aluminum oxide are used as to steelmaking slagging material, our experiments show that, steelmaking slagging better effects if, and play the effect of turning waste into wealth.
Slag making materials of the present invention, can effectively remove the harmful element p and s in steel, protection molten steel, and the recovery rate of raising metal, reaches the requirement of steel grade, turns waste into wealth, and cuts the waste, and increases the economic benefit of enterprise.
Claims (4)
1. a steelmaking slagging material, is characterized in that: described slag making materials comprises the material of following weight part: lime 65-75%, Fluorspar Powder 9-13%, aluminum oxide 16-20%, rhombspar 6-8% and a small amount of inevitably impurity.
2. a kind of steelmaking slagging material according to claim 1, is characterized in that: described slag making materials comprises the material of following weight part: lime 65%, Fluorspar Powder 13%, aluminum oxide 20%, rhombspar 8% and a small amount of inevitably impurity.
3. a kind of steelmaking slagging material according to claim 1, is characterized in that: described slag making materials comprises the material of following weight part: lime 70%, Fluorspar Powder 12%, aluminum oxide 18%, rhombspar 7% and a small amount of inevitably impurity.
4. a kind of steelmaking slagging material according to claim 1, is characterized in that: described slag making materials comprises the material of following weight part: lime 75%, Fluorspar Powder 9%, aluminum oxide 16%, rhombspar 6% and a small amount of inevitably impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473668.9A CN103834765B (en) | 2012-11-21 | 2012-11-21 | A kind of steelmaking slagging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473668.9A CN103834765B (en) | 2012-11-21 | 2012-11-21 | A kind of steelmaking slagging material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103834765A true CN103834765A (en) | 2014-06-04 |
| CN103834765B CN103834765B (en) | 2016-01-20 |
Family
ID=50798658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210473668.9A Active CN103834765B (en) | 2012-11-21 | 2012-11-21 | A kind of steelmaking slagging material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103834765B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036635A (en) * | 1975-06-18 | 1977-07-19 | Thyssen Niederrhein Ag Hutten- Und Walzwerke | Process for making a steel melt for continuous casting |
| CN101381795A (en) * | 2008-10-24 | 2009-03-11 | 徐瑞宏 | RH vacuum treating refining slag and preparation method thereof |
| CN101935740A (en) * | 2010-09-21 | 2011-01-05 | 攀枝花钢城集团有限公司 | White slag refining agent for LF (Ladle Furnace) refining furnace and preparation method thereof |
-
2012
- 2012-11-21 CN CN201210473668.9A patent/CN103834765B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036635A (en) * | 1975-06-18 | 1977-07-19 | Thyssen Niederrhein Ag Hutten- Und Walzwerke | Process for making a steel melt for continuous casting |
| CN101381795A (en) * | 2008-10-24 | 2009-03-11 | 徐瑞宏 | RH vacuum treating refining slag and preparation method thereof |
| CN101935740A (en) * | 2010-09-21 | 2011-01-05 | 攀枝花钢城集团有限公司 | White slag refining agent for LF (Ladle Furnace) refining furnace and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 佩尔克等: "《氧气顶吹转炉炼钢 下》", 30 April 1982, 冶金工业出版社, article "造渣材料", pages: 183-187 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103834765B (en) | 2016-01-20 |
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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 | ||
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Address after: 212300 HouXiang Town, Yanjiang Development Zone, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Tiangong Aihe Technology Co.,Ltd. Address before: 212300 Houxiang Town, Yanjiang Development Zone, Zhenjiang City, Jiangsu Province Patentee before: TIANGONG AIHE SPECIAL STEEL Co.,Ltd. |
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| CP03 | Change of name, title or address |