CN102876832A - Process for performing converter alloying vanadium increase by sheeted V2O5 - Google Patents
Process for performing converter alloying vanadium increase by sheeted V2O5 Download PDFInfo
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- CN102876832A CN102876832A CN201210356701XA CN201210356701A CN102876832A CN 102876832 A CN102876832 A CN 102876832A CN 201210356701X A CN201210356701X A CN 201210356701XA CN 201210356701 A CN201210356701 A CN 201210356701A CN 102876832 A CN102876832 A CN 102876832A
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- vanadium
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- converter
- ladle
- alloying
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Abstract
The invention relates to a process for performing converter alloying vanadium increase by sheeted V2O5. The process comprises the following steps of: (1) refining a steel ladle by a converter; (2) deoxidizing and alloying the steel ladle, namely adding a deoxidant and limestone into the steel ladle in the tapping process, and adding a mixture of Al and sheeted V2O5; and (3) tapping, and blowing inert gases to the bottom of the steel ladle. According to the process, the sheeted V2O5 is subjected to steelmaking alloying directly, so that steel containing vanadium can be produced stably, the pollution is reduced effectively, energy consumption is reduced, and the utilization rate of raw materials is improved, the production cost of vanadium steel alloy is reduced and the production efficiency is improved.
Description
Technical field
The present invention relates to the process for making field, particularly sheet V
2O
5Be used for the technique that the converter alloying increases vanadium.
Background technology
Vanadium is a kind of non-ferrous metal, and Vanadium Pentoxide in FLAKES is widely used in the industries such as metallurgy, chemical industry, is mainly used in smelting ferrovanadium.As alloy addition, account for more than 80% of Vanadium Pentoxide in FLAKES total flow, secondly be the catalyzer as the organic chemical industry, namely catalyst accounts for 10% of total amount, accounts for 10% of total amount as inorganic chemical, chemical reagent, enamel and magneticsubstance etc. elsewhere.
Because vanadium has physicals and the chemical property of numerous excellences, thereby the purposes of vanadium is very extensive, and the title of metal " VITAMIN " is arranged.Vanadium is applied to iron and steel, by tissue and the crystal grain of refinement steel, improves the grain coarsening temperature, thereby plays intensity, toughness and the wear resistance that increases steel.
At present when converter smelting generally contains vanadium steel, the vanadium iron that adopt carry out vanadium alloying technique more, and also the vanadium-containing alloys such as useful VN alloy, vanadium line, vanadium rod carry out alloying, but are more cheap with vanadium iron, therefore generally adopt the refining of vanadium iron mix, the easy splash of preparing burden of the method when refining, waste and pollute all more seriously and is refined vanadium steel with vanadium iron and batching, certainly will increase furnace temperature, not only increased energy consumption, and caused life of converter to reduce, these have all improved the refining cost; And in the vanadium iron production process, be with sheet V
2O
5Produce under the heated by electrodes effect with the pig iron, its technical process is with sheet V substantially
2O
5Smelt with electrode or other heating means with the pig iron, after obtaining vanadium iron, to calculate good vanadium iron amount and add in the ladle when converter tapping 1/3-1/2, and by the physical thermal of molten steel vanadium iron be melted, vanadium incorporates in the molten steel, realize alloying, whole process is physical process substantially, and vanadium is entered in the steel, and this technique power consumption is very large, not only processing charges is high, and seriously polluted.The principle of carrying out alloying with vanadium-containing alloys such as VN alloy, vanadium line, vanadium rods is basic identical with vanadium iron.
The general energy consumption of the technique of above-described realization vanadium steel alloying is high, seriously polluted, is advocating energy-saving and emission-reduction, reduce today of consumption and environmental pollution, especially need to improve, so the contriver comprehensively analyzes and test kinds of processes, finally invent out the V of use sheet
2O
5Be directly used in the converter steelmaking, realize the processing method of vanadium steel alloying.
Summary of the invention
The object of the invention is to propose a kind of sheet V
2O
5Be directly used in the technique that the converter alloying increases vanadium, solved traditional converter steelmaking alloying and increased vanadium process energy consumption height, pollute height, cause the high problem of production cost.
For reaching this purpose, the present invention by the following technical solutions:
A kind of sheet V
2O
5Be used for the technique that the converter alloying increases vanadium, comprise the steps:
(1) converter refining ladle;
(2) ladle is carried out deoxidation, alloying: in the tapping process reductor and Wingdale are added ladle, add afterwards Al and sheet V
2O
5Mixture;
(3) tapping: carry out the ladle bottom blowing rare gas element after the tapping.
Preferably, the Al and the sheet V that add in the described step (2)
2O
5Mixture weight than for 1:0.35-0.75.
Preferably, the reductor that adds in the described step (2) can be the mixing that contains Si, Mn, Al, or wherein arbitrarily both mixing, or wherein a kind of.
Preferably, it is 2-7 minutes in the time of ladle bottom blowing rare gas element.
Preferably, in the described step (3), the rare gas element that carries out ladle bottom blowing after the tapping can be any one in neon, argon gas, the xenon.
Preferably, it is 4 minutes in the time of ladle bottom blowing rare gas element.
Preferably, comprise the steps: also that (4) send molten steel into refining furnace and carry out refining.
Process using of the present invention is with sheet V
2O
5Directly carry out steelmaking alloy, not only can stably produce vanadium-containing steel, and effectively reduced pollution, reduced energy consumption, improved raw material availability, so that the production cost of vanadium steel alloy descended, and improved production efficiency.
Embodiment
Further specify technical scheme of the present invention below by embodiment.
Embodiment 1: a kind of sheet V
2O
5Be used for the technique that the converter alloying increases vanadium, comprise the steps:
(1) converter refining ladle;
(2) ladle is carried out deoxidation, alloying: in the tapping process reductibility deoxidation thing and Wingdale are added ladle, add afterwards Al and sheet V
2O
5Mixture, sheet V wherein
2O
5With the blending ratio of Al be 1:0.35, the deoxidation thing is Si;
(3) tapping: carry out the ladle bottom blowing rare gas element after the tapping, described rare gas element is argon gas, and gassing time is 2 minutes.
Embodiment 2: a kind of sheet V
2O
5Be used for the technique that the converter alloying increases vanadium, comprise the steps:
(1) converter refining ladle;
(2) ladle is carried out deoxidation, alloying: in the tapping process reductibility deoxidation thing and Wingdale are added ladle, add afterwards Al and sheet V
2O
5Mixture, sheet V wherein
2O
5With the blending ratio of Al be 1:0.35, wherein reductibility deoxidation thing is the mixture of Si, Mn;
(3) tapping: carry out the ladle bottom blowing rare gas element after the tapping, described rare gas element is neon, and gassing time is 4 minutes.
Embodiment 3: a kind of sheet V
2O
5Be used for the technique that the converter alloying increases vanadium, comprise the steps:
(1) converter refining ladle;
(2) ladle is carried out deoxidation, alloying: in the tapping process reductibility deoxidation thing and Wingdale are added ladle, add afterwards Al and sheet V
2O
5Mixture, sheet V wherein
2O
5With the blending ratio of Al be 1:0.75, wherein reductibility deoxidation thing is the mixture of Si, Mn, Al;
(3) tapping: carry out the ladle bottom blowing rare gas element after the tapping, described rare gas element is neon, and gassing time is 7 minutes.
Embodiment 4: a kind of sheet V
2O
5Be used for the technique that the converter alloying increases vanadium, comprise the steps:
(1) converter refining ladle;
(2) ladle is carried out deoxidation, alloying: in the tapping process reductibility deoxidation thing and Wingdale are added ladle, add afterwards Al and sheet V
2O
5Mixture, sheet V wherein
2O
5With the blending ratio of Al be 1:0.35, the deoxidation thing is Si;
(3) tapping: carry out the ladle bottom blowing rare gas element after the tapping, described rare gas element is argon gas, and gassing time is 2 minutes;
(4) will tap afterwards the molten steel behind the ladle bottom blowing rare gas element carries out refining in refining furnace.
Since in producing the vanadium-containing steel process, Al and V
2O
5Fulminant oxidizing reaction heat release (be documented in according to data above temperature of reaction reaches 3000 ℃ in the encloses container) occurs in ladle, so calculate the good sheet V that measures for prevent that the splash accident from adding again after tapping process adds reductor, lime
2O
5, aluminium mixture, to promote and to guarantee V
2O
5Stable reduction, reach content of vanadium and other alloying constituent of smelting the steel grade requirement.This process is except the physics thaw process, or a chemical reduction reaction process, and its equation is:
3V
2O
5+10Al=6V+5Al
2O
3ΔG
0=-681180+112.773T?J·mol
-1
Process using of the present invention is with sheet V
2O
5Directly carry out steelmaking alloy, not only can stably produce vanadium-containing steel, and effectively reduced pollution, reduced energy consumption, improved raw material availability, so that the production cost of vanadium steel alloy descended, and improved production efficiency.
Claims (7)
1. sheet V
2O
5Be used for the technique that the converter alloying increases vanadium, it is characterized in that, comprise the steps:
(1) converter refining ladle;
(2) ladle is carried out deoxidation, alloying: in the tapping process reductor and Wingdale are added ladle, add afterwards Al and sheet V
2O
5Mixture;
(3) tapping: carry out the ladle bottom blowing rare gas element after the tapping.
2. a kind of sheet V according to claim 1
2O
5Be used for the technique that the converter alloying increases vanadium, it is characterized in that, the sheet V that adds in the described step (2)
2O
5Be 1:0.35-0.75 with the mixture weight ratio of Al.
3. a kind of sheet V according to claim 1
2O
5Be used for the technique that the converter alloying increases vanadium, it is characterized in that, the reductor that adds in the described step (2) can be the mixing that contains Si, Mn, Al, or wherein arbitrarily both mixing, or wherein a kind of.
4. a kind of sheet V according to claim 1
2O
5Being used for the technique that the converter alloying increases vanadium, it is characterized in that, in the described step (3), is 2-7 minutes in the time of ladle bottom blowing rare gas element.
5. a kind of sheet V according to claim 4
2O
5Be used for the technique that the converter alloying increases vanadium, it is characterized in that the rare gas element that carries out ladle bottom blowing after the tapping can be any one in neon, argon gas, the xenon.
6. a kind of sheet V according to claim 5
2O
5Being used for the technique that the converter alloying increases vanadium, it is characterized in that, is 4 minutes in the time of ladle bottom blowing rare gas element.
7. according to claim 1 and 2 or 3 or 4 or 5 or 6 described a kind of sheet V
2O
5Be used for the technique that the converter alloying increases vanadium, it is characterized in that, also comprise the steps:
(4) molten steel is sent into refining furnace and carried out refining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210356701XA CN102876832A (en) | 2012-09-21 | 2012-09-21 | Process for performing converter alloying vanadium increase by sheeted V2O5 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210356701XA CN102876832A (en) | 2012-09-21 | 2012-09-21 | Process for performing converter alloying vanadium increase by sheeted V2O5 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102876832A true CN102876832A (en) | 2013-01-16 |
Family
ID=47478342
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210356701XA Pending CN102876832A (en) | 2012-09-21 | 2012-09-21 | Process for performing converter alloying vanadium increase by sheeted V2O5 |
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|---|---|
| CN (1) | CN102876832A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586912A (en) * | 2017-09-19 | 2018-01-16 | 马鞍山钢铁股份有限公司 | A kind of V2O5The method of direct Reducing and Alloying |
| CN110846468A (en) * | 2019-12-10 | 2020-02-28 | 承德建龙特殊钢有限公司 | Method for smelting vanadium-containing alloy steel by replacing vanadium alloy with vanadium pentoxide |
| CN114540579A (en) * | 2022-03-09 | 2022-05-27 | 承德建龙特殊钢有限公司 | Non-quenched and tempered bar for track type excavator thrust wheel shaft and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100469932C (en) * | 2007-06-05 | 2009-03-18 | 钢铁研究总院 | V2O5 direct alloying steelmaking technology |
| CN102304604A (en) * | 2011-08-31 | 2012-01-04 | 河北钢铁股份有限公司承德分公司 | Smelting technology of III grade hot-rolled ribbed bars |
-
2012
- 2012-09-21 CN CN201210356701XA patent/CN102876832A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100469932C (en) * | 2007-06-05 | 2009-03-18 | 钢铁研究总院 | V2O5 direct alloying steelmaking technology |
| CN102304604A (en) * | 2011-08-31 | 2012-01-04 | 河北钢铁股份有限公司承德分公司 | Smelting technology of III grade hot-rolled ribbed bars |
Non-Patent Citations (3)
| Title |
|---|
| 余伟等: "加钒合金化方法对钢筋组织性能的影响", 《轧钢》 * |
| 周勇等: "Si、Al还原渣中V2O5反应动力学研究", 《钢铁钒钛》 * |
| 周勇等: "V2O5直接合金化的热力学分析", 《钢铁钒钛》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586912A (en) * | 2017-09-19 | 2018-01-16 | 马鞍山钢铁股份有限公司 | A kind of V2O5The method of direct Reducing and Alloying |
| CN107586912B (en) * | 2017-09-19 | 2019-07-02 | 马鞍山钢铁股份有限公司 | A kind of V2O5The method of direct Reducing and Alloying |
| CN110846468A (en) * | 2019-12-10 | 2020-02-28 | 承德建龙特殊钢有限公司 | Method for smelting vanadium-containing alloy steel by replacing vanadium alloy with vanadium pentoxide |
| CN114540579A (en) * | 2022-03-09 | 2022-05-27 | 承德建龙特殊钢有限公司 | Non-quenched and tempered bar for track type excavator thrust wheel shaft and preparation method thereof |
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Application publication date: 20130116 |