CN1312312C - Vanadium-silicon-barium-ferrum composite alloy used as webbite and its production method - Google Patents
Vanadium-silicon-barium-ferrum composite alloy used as webbite and its production method Download PDFInfo
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- CN1312312C CN1312312C CNB2005100932261A CN200510093226A CN1312312C CN 1312312 C CN1312312 C CN 1312312C CN B2005100932261 A CNB2005100932261 A CN B2005100932261A CN 200510093226 A CN200510093226 A CN 200510093226A CN 1312312 C CN1312312 C CN 1312312C
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Abstract
The present invention provides a vanadium-silicon-barium-iron composite alloy used as webbite, which comprises 30 to 75 wt% of silicon, 3 to 25 wt% of barium, 0.5 to 10 wt% of vanadium and iron and unavoidable foreign matter as the rest. Due to the protection of the silicon and the barium, the vanadium in the alloy can not be oxidized; thus, the yield of the composite alloy is enhanced. The method of the present invention for producing the alloy comprises a step of jointly reducing vanadium slag, silica and barite in an ore hearth; thus, the technology of extracting the vanadium is simplified.
Description
Technical field
The present invention relates to a kind of alloying agents that is used to make steel, specifically, relate to a kind of silicon-barium-vanadium-ferrum composite alloy.
Background technology
Niobium is a kind of element that is highly profitable in steel, and it can make the crystal structure refinement of steel, thereby improves intensity, toughness, plasticity and the wear resistance of steel.It can reduce the timeliness susceptibility of steel and can improve the surface quality of steel ingot when containing vanadium in the steel and reach 0.03-0.05%.When containing vanadium in the steel and reach 0.01-0.04%, vanadium can improve the quench hot and the annealing performance of steel.
The common process of molten steel vanadium alloying is to use deoxidant element earlier at present, makes deoxidation of molten steel as aluminium, manganese, silicon etc., uses vanadium-iron alloy to make it alloying again.The shortcoming of this technology is: use conventional vanadium-iron alloy 1..The production technique more complicated of vanadium-iron: from vanadium slag, refine earlier Vanadium Pentoxide in FLAKES, with electro-silicothermic process its reduction is generated vanadium-iron then.The step of the extraction vanadous oxide of the technology of the production vanadium-iron of prior art comprises: operations such as pulverizing, roasting, leaching, precipitation, fusing and smelting, thereby it is very numerous and diverse, produce the objectionable impurities of contaminate environment such as a large amount of spent acid, waste water, waste residue in addition, its improvement is very difficult again.2. when after the deoxidation vanadium-iron being added molten steel, because reductor can not in time be evenly distributed in the molten steel, the vanadium in added vanadium-iron can not get the timely protection of deoxidant element, and the recovery rate of vanadium is not high as a result.
Summary of the invention
The object of the present invention is to provide a kind of silicon-barium-vanadium-ferrum composite alloy novel, that be used as the molten steel alloying agents.
Silicon-barium of the present invention-vanadium-ferrum composite alloy contains the silicon that weight percent is 30-75%, the barium of 3-25%, the vanadium of 0.5-10% and the iron and the unavoidable impurities of surplus.
A kind of vanadium-silicon-barium-ferrum composite alloy that is used for webbite of the present invention, it contains the silicon that weight percent is 30-75%, the barium of 3-25%, the vanadium of 0.5-10%, also contain and be selected from manganese 5-70%, among strontium 1-10%, calcium 1-15%, the aluminium 2-20% one or more, and the iron of surplus and unavoidable impurities.
The production method of above-mentioned alloy comprise proportioning is met above-mentioned alloying constituent raw material in the ore deposit hot stove step of reducing.
Silicon and barium that silicon-barium of the present invention-vanadium-ferrum composite alloy is contained play deoxidation.When this alloy melted in molten steel, silicon wherein and barium was at first with the oxygen removal in the molten steel around it, thereby protected the vanadium in this alloy, and the result improves the recovery rate of vanadium.Additional one or more the purpose that is selected from manganese, strontium, calcium, the aluminium is to satisfy the needs of different steel grades.
The production method of described composite alloy of the present invention is done the source of vanadium with vanadium slag, and therefrom directly restores vanadium.Vanadium slag is that vanadium-iron mineral intergrowth is carried last residue behind the de-iron.This method is obviously much simpler than the method for the production vanadium-iron alloy of prior art.Although the content of the alloy vanadium of producing with this method is lower, it is enough to produce low alloy steel with it.
Silicon-barium of the present invention-vanadium-iron alloy is a kind of composite alloy, and vanadium wherein is improved its recovery rate owing to be subjected to the protection of silicon and barium.The production technique of this alloy is directly reduced vanadium, and the result has reduced production cost.
Specifically describe the present invention below by embodiment.
Embodiment
Embodiment 1.
With 85 kilograms of silicas, 20 kilogram weight spar, 20 kilograms of vanadium slags, 70 kilograms of coke grains and 5 kilograms of steel cuttings meltings in the hot stove in ore deposit, the result obtains composition and is: silicon, 45%, barium, 10%, vanadium, 3%, iron, silicon-barium of 40%-vanadium-ferrum composite alloy.
Embodiment 2.
With the alloy smelting 20MV steel that derives from embodiment 1.Alloying process is very smooth, and the total oxygen content in the molten steel is 8-16PPm.
Claims (1)
1. vanadium-silicon-barium-ferrum composite alloy that is used for webbite, it contains the silicon that weight percent is 30-75%, the barium of 3-25%, the vanadium of 0.5-10% and the iron and the unavoidable impurities of surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100932261A CN1312312C (en) | 2005-08-23 | 2005-08-23 | Vanadium-silicon-barium-ferrum composite alloy used as webbite and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100932261A CN1312312C (en) | 2005-08-23 | 2005-08-23 | Vanadium-silicon-barium-ferrum composite alloy used as webbite and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730702A CN1730702A (en) | 2006-02-08 |
| CN1312312C true CN1312312C (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100932261A Expired - Fee Related CN1312312C (en) | 2005-08-23 | 2005-08-23 | Vanadium-silicon-barium-ferrum composite alloy used as webbite and its production method |
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| CN (1) | CN1312312C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828071A (en) * | 2011-06-13 | 2012-12-19 | 谢应旭 | Aluminium calcium vanadium ferrum alloy used for smelting steel, and preparation method thereof |
| CN102828099A (en) * | 2011-06-13 | 2012-12-19 | 谢应旭 | Silicon manganese barium vanadium ferrum composite alloy used for smelting steel, and preparation method thereof |
| CN102605184A (en) * | 2011-10-14 | 2012-07-25 | 谢廷声 | Method for producing vanadium complex iron alloy and titanium slag by sefstromite |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87104601A (en) * | 1987-06-30 | 1988-01-20 | 湖北省京山县硅材料开发应用研究所 | high purity ferrosilicon and production method |
| CN86108775A (en) * | 1984-11-19 | 1988-07-20 | 亨瑞克·吉夫罗 | Improve the activator mixture of strength of iron alloys |
| CN1054619A (en) * | 1991-04-24 | 1991-09-18 | 冶金工业部钢铁研究总院 | The compound master alloy of barium titanium silicon iron |
| CN1141347A (en) * | 1996-04-23 | 1997-01-29 | 谢廷声 | Multi-element alloy for deoxidising molten steel and alloying thereof |
| CN1160085A (en) * | 1996-03-18 | 1997-09-24 | 景占义 | Method for direct production of Si-Al-Ba-Ca-Fe Alloy from ore |
| CN1239144A (en) * | 1999-07-08 | 1999-12-22 | 谢廷声 | Si-Ba-Mg-Fe alloy for deoxidizing in smelting steel |
| CN1363691A (en) * | 2001-12-11 | 2002-08-14 | 华中科技大学 | Refining agent for stainless steel |
| CN1381595A (en) * | 2002-02-22 | 2002-11-27 | 谢廷声 | Silicon-Aluminium-Barium-Ferromengaese alloy used as deoxidizing agent in smelting steel |
-
2005
- 2005-08-23 CN CNB2005100932261A patent/CN1312312C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108775A (en) * | 1984-11-19 | 1988-07-20 | 亨瑞克·吉夫罗 | Improve the activator mixture of strength of iron alloys |
| CN87104601A (en) * | 1987-06-30 | 1988-01-20 | 湖北省京山县硅材料开发应用研究所 | high purity ferrosilicon and production method |
| CN1054619A (en) * | 1991-04-24 | 1991-09-18 | 冶金工业部钢铁研究总院 | The compound master alloy of barium titanium silicon iron |
| CN1160085A (en) * | 1996-03-18 | 1997-09-24 | 景占义 | Method for direct production of Si-Al-Ba-Ca-Fe Alloy from ore |
| CN1141347A (en) * | 1996-04-23 | 1997-01-29 | 谢廷声 | Multi-element alloy for deoxidising molten steel and alloying thereof |
| CN1239144A (en) * | 1999-07-08 | 1999-12-22 | 谢廷声 | Si-Ba-Mg-Fe alloy for deoxidizing in smelting steel |
| CN1363691A (en) * | 2001-12-11 | 2002-08-14 | 华中科技大学 | Refining agent for stainless steel |
| CN1381595A (en) * | 2002-02-22 | 2002-11-27 | 谢廷声 | Silicon-Aluminium-Barium-Ferromengaese alloy used as deoxidizing agent in smelting steel |
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| CN1730702A (en) | 2006-02-08 |
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