CN101338351A - Vanadium-raising cooling agent, method for preparing same and use method - Google Patents
Vanadium-raising cooling agent, method for preparing same and use method Download PDFInfo
- Publication number
- CN101338351A CN101338351A CNA2008103042250A CN200810304225A CN101338351A CN 101338351 A CN101338351 A CN 101338351A CN A2008103042250 A CNA2008103042250 A CN A2008103042250A CN 200810304225 A CN200810304225 A CN 200810304225A CN 101338351 A CN101338351 A CN 101338351A
- Authority
- CN
- China
- Prior art keywords
- vanadium
- iron
- cooling agent
- raising cooling
- sio
- 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
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention relates to a vanadium extraction coolant and a preparation method and a use method thereof which belong to the field of metallurgy. The invention provides a novel vanadium extraction coolant and overcomes the defects of complex use of the existing coolant and the large operation difficulty of the existing vanadium extraction technique. The vanadium extraction coolant comprises 80 to 95 percent of the oxides of iron, 3 to 6 percent of SiO2, 0.1 to 0.6 percent of V2O5, 1 to 3 percent of MgCl2 and the rest is less inevitable unpurified elements; the total amount is 100 percent. The vanadium extraction coolant of the invention is collocated and pressed by adopting iron concentrate powder containing vanadium and ferric oxide (or vanadium extraction mud) with a bonding agent which not only has a simple preparation method, but also has high cooling intensity; besides, the using method is simple during the process of using the vanadium extraction; the vanadium extraction technique is more smooth; the quality of the vanadium slag and the quality of gun iron are more stable; the invention fully recycles the most resources of iron and vanadium in the coolant simultaneously when achieving the goals of ''removing vanadium and preserving carbon''.
Description
Technical field
The present invention relates to a kind of refrigerant that is used for vanadium extraction from hot metal and preparation method thereof and using method, belong to field of metallurgy.
Background technology
In order to guarantee the resources effective utilization, before steel-making, to carry out process for extracting vanadium usually, that is: utilize the principle of selective oxidation, the vanadium in the molten iron is oxidized to the stable barium oxide of high price produces vanadium slag; In reaction process,, bath temperature is remained on below the carbon vanadium conversion temp, to reach the purpose of " vanadium removal guarantor carbon " by adding refrigerant control bath temperature.
Refrigerant adopts pig, common iron ore and iron sheet ball to mix use in the prior art, and kind is many on the one hand, blows the difficult control of vanadium process oxygen lance position and oxygen amount; On the other hand the joining day long, need 5 minutes usually, and pig adds and must add from the stokehold, promptly need down stove, strengthened iron loss, to obtaining after the vanadium-bearing hot metal vanadium extraction: V in the vanadium slag
2O
5Content is 13%～16%, and the yield of vanadium is 74%～76%, and C content is 3.4%～3.9% in the half steel, and does not exist v slag grade high and the half steel quality fluctuation is big, and the vanadium yield is not high.
Summary of the invention
Technical problem to be solved by this invention is to overcome the prior art refrigerant and uses defectives such as complicated, that the process for extracting vanadium operation easier is big, and a kind of novel vanadium-raising cooling agent is provided.
Technical scheme of the present invention:
Vanadium-raising cooling agent provided by the invention is a benchmark with the vanadium-raising cooling agent gross weight, contains the oxide compound of 80%～95% iron, 3～6% SiO
2, 0.1～0.6% V
2O
5, 1～3%MgCL
2, all the other are unavoidable impurities element ti O
2, Cr
2O
3, P, S etc., total amount 100%.
Wherein, the oxide compound of described iron derives from and contains ferrosilicon (iron scale or vanadium extraction mud) and contain the vanadium iron concentrate, is mainly FeO and Fe
2O
3Mixture.Described SiO
2Derive from vanadium extraction mud, contain vanadium iron concentrate and wedding agent; Described V
2O
5Come from and contain vanadium iron fine ore or vanadium extraction mud.Described MgCL
2Derive from wedding agent.
Bright second technical problem to be solved of this law provides the preparation method of this vanadium-raising cooling agent.Steps of the method are:
(a) contain ferrosilicon (in iron scale, the vanadium extraction mud at least a), contain vanadium iron concentrate and wedding agent and mix and stir; Wherein, contain iron scale, vanadium extraction mud, contain the consumption of vanadium iron concentrate so that the oxide compound of iron, SiO in the vanadium-raising cooling agent
2, V
2O
5, MgCL
2Middle weight percent reach following ratio and be as the criterion: the oxide compound 80%～95% of iron, SiO
23～6%, V
2O
50.1 MgCL～0.6%,
21～3%.The consumption of wedding agent is the 4-6% of total raw material quality.
(b) the mixing stirred materials enters the pair roller ball press and is pressed into pelletizing;
(c) pelletizing after the compacting carries out sub-sieve through vibratory screening apparatus, and the pelletizing after the sub-sieve is dried to water-content less than 5.0% of pelletizing total mass.Usually in order to save the principle with uniform drying, can adopt seasoning 48～72 hours.
Above-mentioned vanadium extraction mud derives from the dedusting ash of vanadium extraction.Fe in the described iron scale
2O
3, FeO, SiO
2, V
2O
5Weight percentage be: Fe
2O
327～33%, FeO 60～65%, SiO
22～8%, V
2O
50～0.07%.
Fe in the described vanadium extraction mud
2O
3, FeO, SiO
2, V
2O
5Weight percentage be: Fe
2O
327～33%, FeO 60～65%, SiO
22～8%, V
2O
50～0.07%.
Describedly contain Fe in the vanadium iron concentrate
2O
3, FeO, SiO
2, V
2O
5Weight percentage be: Fe
2O
350～55%, FeO 30～40%, SiO
22～8%, V
2O
50.2～0.8%.
Described wedding agent is MgCl
2Mix a usefulness with wilkinite, the two ratio is respectively 1～3% and 2～4% of total raw material quality.
Iron scale, vanadium extraction mud, the consumption that contains vanadium iron concentrate and wedding agent can adopt following proportioning, are 100% in the mixture total mass,
Vanadium extraction mud 55%～80% contains vanadium iron concentrate 15%～40%, wedding agent 4-6%; Or
Iron scale 55%～80% contains vanadium iron concentrate 15%～40%, wedding agent 4-6%; Or
Iron scale 25%～40%, vanadium extraction mud 25%～40%, contain vanadium iron concentrate 15%～40%, wedding agent 4-6%.
In order to prevent in the blanking bin use, to smash efflorescence, pelletizing granularity 8～12mm in the aforesaid method step (b), dropping strength: 8～12 times/ball (1M rubber plate).
Pelletizing shape pelletizing can be spherical in the aforesaid method step (b), also can be spheroid shape.Preferred ball-type is convenient to blanking.
Because moisture is crossed greatly, it is big fume amount to occur in the vanadium extraction process, the dangerous phenomenon of big spray in the possible producer, and pelletizing requires to be dried to the moisture content requirement less than 5.0% of pelletizing total mass in the aforesaid method step (c).
The 3rd technical problem to be solved of the present invention provides the using method of this vanadium-raising cooling agent.This method comprises by certain oxygen pressure of oxygen rifle and oxygen amount carries out oxygen supply to molten iron, and the adding vanadium-raising cooling agent carries out Control for Kiln Temperature in stove, and promptly the bath temperature after oxygen blast finishes is 1360～1420 ℃, behind the oxygen supply certain hour, obtains vanadium slag and half steel.Wherein, described vanadium-raising cooling agent is a vanadium-raising cooling agent provided by the present invention.
Wherein, above-mentioned oxygen rifle oxygen supply pressure is 0.6～0.8Mpa, and oxygen-supplying amount is 8～12m
3/ t molten iron, oxygen supply time are 240～340 seconds.
Wherein, above-mentioned vanadium-raising cooling agent adding mode adopts disposable continuous adding, and add-on is 22～30Kg/t molten iron, and the joining day opens oxygen blast 0～3.0min for the oxygen rifle and all adds.
Not only the preparation method is simple with containing the preparation of vanadium iron fine ore, iron scale (or vanadium extraction mud) and wedding agent and suppressing the refrigerant that forms in the present invention, high (cooling intensity refers to add the temperature value that the 1kg refrigerant can reduce the 1t molten iron to cooling intensity, former coolant cools intensity is 2～3 ℃ of .Kg/t molten iron, 3～4 ℃ of .Kg/t molten iron of coolant cools intensity of the present invention), some vanadium resource can reclaim in the vanadium extraction process; Simultaneously, using method is simple in the vanadium extraction use, and process for extracting vanadium is direct motion more, v slag grade and half steel more stable quality; When reaching " vanadium removal guarantor carbon " purpose, also most of iron resources and vanadium resource in the refrigerant fully can be reclaimed.
Embodiment
In order to understand the present invention better, to further specify the present invention below in conjunction with embodiment.
The main composition that contains vanadium iron fine ore, iron scale, vanadium extraction mud that is adopted in following embodiment is as shown in table 1.
Table 1
Embodiment 1
Is to enter the muller sand mill at 20: 75: 5 to mix and stir with contain vanadium iron fine ore, iron scale, wedding agent in the above-mentioned table 1 by mass ratio, join after stirring in the symmetrical ball press, regulate the pressure 15Mpa of symmetrical ball press, squeeze out the spheroidal particle that diameter is 8～12mm, with spheroidal particle seasoning 72 hours, promptly get the pelletizing vanadium-raising cooling agent.
After testing, the pelletizing vanadium-raising cooling agent composition that obtains is: Fe
2O
336.03%, FeO 55.6%, V
2O
50.15%, SiO
24.83%, MgCl
22.74%.The pelletizing vanadium-raising cooling agent that makes is used to climb Control for Kiln Temperature under the existing vanadium-bearing hot metal vanadium extraction by converter blowing condition of steel, and the main component of vanadium-bearing hot metal is: 4.48%C, 0.292%V, 0.21%Mn, 0.19%Si, 0.007%S, 0.078%P, and surplus is Fe; After vanadium-bearing hot metal was blended into converter, following oxygen rifle began oxygen blast, and oxygen blast pressure is 0.7Mpa, and oxygen flow is 16000～18000Nm
3/ h; In the oxygen blown while of beginning, in stove, add the pelletizing vanadium-raising cooling agent, the adding mode adopts disposable continuous adding, and refrigerant is all added opening to blow in the oxygen supply 3min, the add-on of pelletizing vanadium-raising cooling agent is the 23Kg/t molten iron, promotes the oxygen rifle when oxygen supply time is 280 seconds and stops oxygen supply, and recording bath temperature is 1384 ℃, come out of the stove and obtain qualified vanadium slag and half steel, the main component of vanadium slag: 16.47%V
2O
5, 27.7%TFe, 1.32%CaO, 15.55%SiO
2The main component of half steel: 3.81%C, 0.031%V, 0.082%P, 0.008%S, surplus is Fe.Below all be weight percentage, the percentage ratio sum is 100%.
Embodiment 2
Is to enter the muller sand mill at 40: 55: 5 to mix and stir with contain vanadium iron fine ore, iron scale, wedding agent in the above-mentioned table 1 by mass ratio, join after stirring in the symmetrical ball press, regulate the pressure 15Mpa of symmetrical ball press, squeeze out the spheroidal particle that diameter is 8～12mm, with spheroidal particle seasoning 56 hours, promptly get the pelletizing vanadium-raising cooling agent.
After testing, the pelletizing vanadium-raising cooling agent composition that obtains is: Fe
2O
337.85%, FeO 48.19%, V
2O
50.22%, SiO
25.70%, MgCL
21.28%.Surplus is an impurity content, as TiO
2, Cr
2O
3, P, S etc.The pelletizing vanadium-raising cooling agent that makes is used to climb Control for Kiln Temperature under the existing vanadium-bearing hot metal vanadium extraction by converter blowing condition of steel, and the main component of vanadium-bearing hot metal is: 4.50%C, 0.295%V, 0.23%Mn, 0.178%Si, 0.003%S, 0.074%P, and surplus is Fe; After vanadium-bearing hot metal was blended into converter, following oxygen rifle began oxygen blast, and oxygen blast pressure is 0.73Mpa, and oxygen flow is 16000～18000Nm
3/ h; In the oxygen blown while of beginning, in stove, add the pelletizing vanadium-raising cooling agent, the adding mode adopts disposable continuous adding, and refrigerant is all added opening to blow in the oxygen supply 3min, the add-on of pelletizing vanadium-raising cooling agent is 28.4 Kg/t molten iron, promotes the oxygen rifle when oxygen supply time is 301 seconds and stops oxygen supply, and recording bath temperature is 1401 ℃, come out of the stove and obtain qualified vanadium slag and half steel, the main component of vanadium slag: 17.11%V
2O
5, 26.49%TFe, 2.09%CaO, 13.53%SiO
2The main component of half steel: 3.86%C, 0.04%V, 0.077%P, 0.004%S, surplus is Fe, more than all be weight percentage, the percentage ratio sum is 100%.
Embodiment 3
Is to enter the muller sand mill at 35: 60: 5 to mix and stir with contain vanadium iron fine ore, vanadium extraction mud, wedding agent in the above-mentioned table 1 by mass ratio, join after stirring in the symmetrical ball press, regulate the pressure 15Mpa of symmetrical ball press, squeeze out the spheroidal particle that diameter is 8～12mm, with spheroidal particle seasoning 72 hours, promptly get the pelletizing vanadium-raising cooling agent.
After testing, the pelletizing vanadium-raising cooling agent composition that obtains is: Fe
2O
335.4%, FeO48.58%, V
2O
50.23%, SiO
25.36%, MgCL
22.05%, surplus is an impurity content, as TiO
2, Cr
2O
3, P, S etc.The pelletizing vanadium-raising cooling agent that makes is used to climb Control for Kiln Temperature under the existing vanadium-bearing hot metal vanadium extraction by converter blowing condition of steel, and the main component of vanadium-bearing hot metal is: 4.64%C, 0.276%V, 0.21%Mn, 0.166%Si, 0.058%S, 0.078%P, and surplus is Fe; After vanadium-bearing hot metal was blended into converter, following oxygen rifle began oxygen blast, and oxygen blast pressure is 0.75Mpa, and oxygen flow is 16000～18000Nm
3/ h; In the oxygen blown while of beginning, in stove, add the pelletizing vanadium-raising cooling agent, the adding mode adopts disposable continuous adding, and refrigerant is all added opening to blow in the oxygen supply 3min, the add-on of pelletizing vanadium-raising cooling agent is 28.8 Kg/t molten iron, promotes the oxygen rifle when oxygen supply time is 322 seconds and stops oxygen supply, and recording bath temperature is 1396 ℃, come out of the stove and obtain qualified vanadium slag and half steel, the main component of vanadium slag: 16.74%V
2O
5, 27.23%TFe, 1.89%CaO, 13.96%SiO
2The main component of half steel: 3.77%C, 0.038%V, 0.078%P, 0.059%S, surplus is Fe, more than all be weight percentage, the percentage ratio sum is 100%.
Embodiment 4
Is 15: 40: 40 with contain vanadium iron fine ore, iron scale, vanadium extraction mud, wedding agent in the above-mentioned table 1 by mass ratio: 5 enter the muller sand mill mixes and stirs, join after stirring in the symmetrical ball press, regulate the pressure 15Mpa of symmetrical ball press, squeeze out the spheroidal particle that diameter is 8～12mm, with spheroidal particle seasoning 72 hours, promptly get the pelletizing vanadium-raising cooling agent.
After testing, the pelletizing vanadium-raising cooling agent composition that obtains is: Fe
2O
337.2%, FeO49.43%, V
2O
50.17%, SiO
25.40%, MgCL
22.78%, surplus is an impurity content, as TiO
2, Cr
2O
3, P, S etc.The pelletizing vanadium-raising cooling agent that makes is used to climb Control for Kiln Temperature under the existing vanadium-bearing hot metal vanadium extraction by converter blowing condition of steel, and the main component of vanadium-bearing hot metal is: 4.43%C, 0.284%V, 0.22%Mn, 0.183%Si, 0.008%S, 0.073%P, and surplus is Fe; After vanadium-bearing hot metal was blended into converter, following oxygen rifle began oxygen blast, and oxygen blast pressure is 0.75Mpa, and oxygen flow is 16000～18000Nm
3/ h; In the oxygen blown while of beginning, in stove, add the pelletizing vanadium-raising cooling agent, the adding mode adopts disposable continuous adding, and refrigerant is all added opening to blow in the oxygen supply 3min, the add-on of pelletizing vanadium-raising cooling agent is the 28.8Kg/t molten iron, promotes the oxygen rifle when oxygen supply time is 322 seconds and stops oxygen supply, and recording bath temperature is 1396 ℃, come out of the stove and obtain qualified vanadium slag and half steel, the main component of vanadium slag: 15.93%V
2O
5, 24.86%TFe, 2.14%CaO, 15.82%SiO
2The main component of half steel: 4.07%C, 0.043%V, 0.072%P, 0.009%S, surplus is Fe, more than all be weight percentage, the percentage ratio sum is 100%.
The yield that calculates vanadium in the foregoing description 1,2,3 is respectively: 77.1%, 78.2%, 77.8%.Adopt above-mentioned vanadium-raising cooling agent to carry out the vanadium-bearing hot metal vanadium extraction, compare with original technology: the technology direct motion more of (1) vanadium extraction, fully reclaim vanadium resource and iron resources in the refrigerant; (2) recovery rate of vanadium improves 2%～3%; (3) V in the vanadium slag
2O
5Content improves 1%～2%; (4) obtain half steel C content and improve 0.1%～0.3%.
Adopt above-mentioned vanadium-raising cooling agent to compare with the cooling agent that prior art provides: (1) kind is few, intensity of cooling height, system Preparation Method and using method are simple. (2) can be with vanadium extraction mud (vanadium extraction dedusting ash) recycling economy utilization. (3) improved The utilization rate of vanadium resource.
Claims (8)
1. vanadium-raising cooling agent, it is characterized in that: in the vanadium-raising cooling agent gross weight is 100%, contains the oxide compound of 80%～95% iron, 3～6% SiO
2, 0.1～0.6% V
2O
5, 1～3%MgCL
2, all the other are unavoidable impurities elements, total amount is 100%.
2. vanadium-raising cooling agent according to claim 1 is characterized in that: the oxide compound of described iron derives from and contains vanadium iron concentrate, iron scale or vanadium extraction mud, is mainly FeO and Fe
2O
3Mixture; Described SiO
2Derive from vanadium extraction mud or contain vanadium iron concentrate and wedding agent; Described V
2O
5Derive from and contain vanadium iron fine ore or vanadium extraction mud; Described MgCL
2Derive from wedding agent.
3. the method for preparing the described vanadium-raising cooling agent of claim 1 is characterized in that steps of the method are:
(a) raw material is contained ferrosilicon, contain vanadium iron concentrate and wedding agent and mix and stir, the described ferrosilicon that contains is at least a in iron scale, the vanadium extraction mud, vanadium extraction mud derives from the dedusting ash of vanadium extraction;
Wherein, contain ferrosilicon, contain the consumption of vanadium iron concentrate so that the oxide compound of iron, SiO in the vanadium-raising cooling agent
2, V
2O
5, MgCL
2Weight percent reach following ratio and be as the criterion: the oxide compound 80%～95% of iron, SiO
23～6%, V
2O
50.1 MgCL～0.6%,
21～3%; The consumption of wedding agent is the 4-6% of raw material gross weight;
(b) the mixing stirred materials enters the pair roller ball press and is pressed into pelletizing;
(c) pelletizing after the compacting carries out sub-sieve through vibratory screening apparatus, and the pelletizing after the sub-sieve is dried to water-content less than 5.0% of pelletizing total mass.
4. the method for vanadium-raising cooling agent according to claim 3 is characterized in that: Fe in the described raw material iron scale of a step
2O
3, FeO, SiO
2, V
2O
5Weight percentage be: Fe
2O
327～33%, FeO 60～65%, SiO
22～8%, V
2O
50～0.07%;
Fe in the vanadium extraction mud
2O
3, FeO, SiO
2, V
2O
5Weight percentage be: Fe
2O
327～33%, FeO 60～65%, SiO
22～8%, V
2O
50～0.07%;
Contain Fe in the vanadium iron concentrate
2O
3, FeO, SiO
2, V
2O
5Weight percentage be: Fe
2O
350～55%, FeO 30～40%, SiO
22～8%, V
2O
50.2～0.8%;
Wedding agent is MgCl2 and bentonitic mixing, the two weight proportion 1～3: 2～4.
5. the method for vanadium-raising cooling agent according to claim 3 is characterized in that: the described raw material iron scale of a step, vanadium extraction mud, the consumption that contains vanadium iron concentrate and wedding agent can adopt following proportioning, are 100% in the mixture total mass,
Vanadium extraction mud 55%～80% contains vanadium iron concentrate 15%～40%, wedding agent 4-6%; Or
Iron scale 55%～80% contains vanadium iron concentrate 15%～40%, wedding agent 4-6%; Or
Iron scale 25%～40%, vanadium extraction mud 25%～40%, contain vanadium iron concentrate 15%～40%, wedding agent 4-6%.
6. the method for preparing vanadium-raising cooling agent according to claim 3 is characterized in that: pelletizing granularity 8～12mm in the step (b).
7. the using method of the described vanadium-raising cooling agent of claim 1 is characterized in that being finished by following steps:
A, vanadium-bearing hot metal pass through the oxygen supply of oxygen rifle after going into stove, and oxygen supply pressure is 0.6～0.8Mpa, and oxygen-supplying amount is 8～12m3/t molten iron, and oxygen supply time is 240～340 seconds;
B, add vanadium-raising cooling agent carry out Control for Kiln Temperature in stove, the bath temperature after oxygen blast finishes is 1360～1420 ℃, obtains vanadium slag and half steel.
8. the using method of vanadium-raising cooling agent according to claim 7, it is characterized in that: vanadium-raising cooling agent adding mode adopts disposable continuous adding, and add-on is 22～30Kg/t molten iron, and the joining day opens oxygen blast 0～3.0min for the oxygen rifle and all adds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810304225A CN100582248C (en) | 2008-08-27 | 2008-08-27 | Vanadium-raising cooling agent, method for preparing same and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810304225A CN100582248C (en) | 2008-08-27 | 2008-08-27 | Vanadium-raising cooling agent, method for preparing same and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101338351A true CN101338351A (en) | 2009-01-07 |
| CN100582248C CN100582248C (en) | 2010-01-20 |
Family
ID=40212522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810304225A Expired - Fee Related CN100582248C (en) | 2008-08-27 | 2008-08-27 | Vanadium-raising cooling agent, method for preparing same and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100582248C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579730B (en) * | 2009-06-12 | 2011-07-20 | 江苏联兴成套设备制造有限公司 | Composite solid cooling medium and preparation method thereof |
| CN102796840A (en) * | 2012-07-11 | 2012-11-28 | 攀钢集团研究院有限公司 | Coolant for dephosphorizing and extracting vanadium of converter, production method thereof, and method for dephosphorizing and extracting vanadium of converter |
| CN102864270A (en) * | 2012-09-17 | 2013-01-09 | 攀钢集团西昌钢钒有限公司 | Vanadium extraction cooling agent and preparation method thereof |
| CN103103310A (en) * | 2011-11-11 | 2013-05-15 | 攀钢集团西昌钢钒有限公司 | Vanadium extraction cold pressing block and preparation method and applications thereof and vanadium extraction method |
| CN103205525A (en) * | 2013-04-15 | 2013-07-17 | 攀钢集团攀枝花钢铁研究院有限公司 | Furnace protective pellet for vanadium extracting converter and manufacturing method thereof |
| CN103397133A (en) * | 2013-07-11 | 2013-11-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for protecting converter with vanadium slag |
| CN103397132A (en) * | 2013-07-11 | 2013-11-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for enhancing erosion resistance of vanadium extraction converter lining |
| CN104060015A (en) * | 2013-09-22 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Converter vanadium extraction process of high silicon vanadium-containing molten iron |
| CN104131131A (en) * | 2014-07-18 | 2014-11-05 | 重庆大学 | Method for adding coolant in vanadium extraction process by oxidizing vanadium-containing molten iron |
| CN107858475A (en) * | 2017-10-20 | 2018-03-30 | 河钢股份有限公司承德分公司 | A kind of method that converter extracting vanadium terminal is precisely controlled |
| CN108823403A (en) * | 2018-08-21 | 2018-11-16 | 成渝钒钛科技有限公司 | A kind of iron sheet ball bonding agent, iron sheet ball and preparation method thereof |
| CN112662897A (en) * | 2020-12-30 | 2021-04-16 | 黑龙江建龙钢铁有限公司 | Process for improving vanadium recovery rate of vanadium extraction converter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1541273A1 (en) * | 1987-06-11 | 1990-02-07 | Уральский научно-исследовательский институт черных металлов | Method of devanadizing iron in converter |
| CN1101947A (en) * | 1993-10-19 | 1995-04-26 | 冶金工业部重庆钢铁设计研究院 | Method for recovering Fe-and V-slag from molten Fe containing V |
| RU2105072C1 (en) * | 1997-04-25 | 1998-02-20 | Петренев Владимир Вениаминович | Method for production of steel naturally alloyed with vanadium in conversion of vanadium iron in oxygen steel-making converters by monoprocess with scrap consumption up to 30% |
| CN1329530C (en) * | 2005-12-27 | 2007-08-01 | 河北滦河实业集团有限公司 | Molten iron vanadium-extracting calcium-controlling coolant and process therefor |
| CN100577822C (en) * | 2008-01-03 | 2010-01-06 | 攀钢集团攀枝花钢铁研究院 | Method for extracting vanadium and removing phosphorus from vanadium-containing molten iron and steel-smelting technique using the same method |
-
2008
- 2008-08-27 CN CN200810304225A patent/CN100582248C/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579730B (en) * | 2009-06-12 | 2011-07-20 | 江苏联兴成套设备制造有限公司 | Composite solid cooling medium and preparation method thereof |
| CN103103310A (en) * | 2011-11-11 | 2013-05-15 | 攀钢集团西昌钢钒有限公司 | Vanadium extraction cold pressing block and preparation method and applications thereof and vanadium extraction method |
| CN103103310B (en) * | 2011-11-11 | 2014-12-17 | 攀钢集团西昌钢钒有限公司 | Vanadium extraction cold pressing block and preparation method and applications thereof and vanadium extraction method |
| CN102796840A (en) * | 2012-07-11 | 2012-11-28 | 攀钢集团研究院有限公司 | Coolant for dephosphorizing and extracting vanadium of converter, production method thereof, and method for dephosphorizing and extracting vanadium of converter |
| CN102796840B (en) * | 2012-07-11 | 2014-08-20 | 攀钢集团研究院有限公司 | Coolant for dephosphorizing and extracting vanadium of converter, production method thereof, and method for dephosphorizing and extracting vanadium of converter |
| CN102864270B (en) * | 2012-09-17 | 2014-07-09 | 攀钢集团西昌钢钒有限公司 | Vanadium extraction cooling agent and preparation method thereof |
| CN102864270A (en) * | 2012-09-17 | 2013-01-09 | 攀钢集团西昌钢钒有限公司 | Vanadium extraction cooling agent and preparation method thereof |
| CN103205525A (en) * | 2013-04-15 | 2013-07-17 | 攀钢集团攀枝花钢铁研究院有限公司 | Furnace protective pellet for vanadium extracting converter and manufacturing method thereof |
| CN103205525B (en) * | 2013-04-15 | 2015-04-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Furnace protective pellet for vanadium extracting converter and manufacturing method thereof |
| CN103397132A (en) * | 2013-07-11 | 2013-11-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for enhancing erosion resistance of vanadium extraction converter lining |
| CN103397133A (en) * | 2013-07-11 | 2013-11-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for protecting converter with vanadium slag |
| CN103397132B (en) * | 2013-07-11 | 2014-12-17 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for enhancing erosion resistance of vanadium extraction converter lining |
| CN104060015A (en) * | 2013-09-22 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Converter vanadium extraction process of high silicon vanadium-containing molten iron |
| CN104060015B (en) * | 2013-09-22 | 2016-01-20 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of high silicon vanadium-bearing hot metal vanadium extraction by converter blowing technique |
| CN104131131A (en) * | 2014-07-18 | 2014-11-05 | 重庆大学 | Method for adding coolant in vanadium extraction process by oxidizing vanadium-containing molten iron |
| CN104131131B (en) * | 2014-07-18 | 2015-12-09 | 重庆大学 | Method for adding coolant in vanadium extraction process by oxidizing vanadium-containing molten iron |
| CN107858475A (en) * | 2017-10-20 | 2018-03-30 | 河钢股份有限公司承德分公司 | A kind of method that converter extracting vanadium terminal is precisely controlled |
| CN108823403A (en) * | 2018-08-21 | 2018-11-16 | 成渝钒钛科技有限公司 | A kind of iron sheet ball bonding agent, iron sheet ball and preparation method thereof |
| CN112662897A (en) * | 2020-12-30 | 2021-04-16 | 黑龙江建龙钢铁有限公司 | Process for improving vanadium recovery rate of vanadium extraction converter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100582248C (en) | 2010-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100582248C (en) | Vanadium-raising cooling agent, method for preparing same and use method | |
| CN102181610B (en) | Composite slagging agent for making semisteel, and preparation method and using method thereof | |
| CN101942571B (en) | Method for innocently treating and recycling chromium residues and metallurgical waste material | |
| CN103160643B (en) | The smelting process of a kind of carburelant and preparation method thereof and vanadium-bearing hot metal | |
| CN102251068B (en) | Vanadium-extracting cooling agent and preparation method thereof | |
| CN109266848B (en) | Binder for preparing chromite oxidized pellets | |
| CN101724751B (en) | Method for smelting high vanadium ferrovanadium | |
| CN110129558A (en) | Chromium-bearing sludge prepares the method and ferrochrome of ferrochrome | |
| CN104498711A (en) | Method for using stainless steel dust to produce chrome, nickel and iron alloy | |
| CN103556068A (en) | Method for producing weather-resisting steel by using low-grade nickel ores | |
| WO2011029269A1 (en) | Method for innocuously treating chromium residue using metallurgical roasting and blast furnace | |
| CN103484752B (en) | Silicon-vanadium-iron alloy and production method thereof | |
| CN110055373A (en) | The converter producing and its leaching extraction vanadium method of calcium system vanadium slag | |
| CN110106305A (en) | The method that calcium system handles vanadium-bearing hot metal production calcic vanadium slag and directly leaches vanadium extraction | |
| CN105506271B (en) | Chrome ore composite pellet and its production method and application are used in a kind of argon oxygen decarburizing furnace reduction | |
| CN101550465A (en) | Manganese-based fluxing agent for converter steelmaking and preparation method thereof | |
| CN101967530B (en) | Method for reducing iron by smelting reduction in electrometallurgy | |
| CN102864270B (en) | Vanadium extraction cooling agent and preparation method thereof | |
| CN109971912A (en) | Converter molten iron adds the method for lime production calcic vanadium slag and its leaching | |
| CN102808081A (en) | Steelmaking slag former and preparation method thereof | |
| CN110042194A (en) | The production of converter calcic vanadium slag and its subsequent leaching extraction vanadium method | |
| CN110042195A (en) | The method that molten iron adds lime production calcic vanadium slag and directly leaches vanadium extraction | |
| CN101921909A (en) | Method for controlling ferrous oxide content in sintering ore | |
| CN104630450A (en) | Production process of ferro-molybdenum metallurgical furnace burden | |
| CN108747088A (en) | A kind of high alkalinity high-silicon type fysed flux peculiar to vessel and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 611731 No. 1 Tianlong Road, hi tech West District, Sichuan, Chengdu Co-patentee after: Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. Patentee after: Pangang Group Institute Co., Ltd. Co-patentee after: Pangang Group Steel Vanadium & Titanium Co., Ltd. Address before: 611731 No. 1 Tianlong Road, hi tech West District, Sichuan, Chengdu Co-patentee before: Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. Patentee before: Pangang Group Institute Co., Ltd. Co-patentee before: Panzhihua New Steel & Vanadium Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20160827 |