CN106854699A - The method for preparing vanadium iron - Google Patents
The method for preparing vanadium iron Download PDFInfo
- Publication number
- CN106854699A CN106854699A CN201611161368.1A CN201611161368A CN106854699A CN 106854699 A CN106854699 A CN 106854699A CN 201611161368 A CN201611161368 A CN 201611161368A CN 106854699 A CN106854699 A CN 106854699A
- Authority
- CN
- China
- Prior art keywords
- vanadium
- reduction roasting
- vanadium iron
- pelletizing
- vanadic anhydride
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of method for preparing vanadium iron, the method includes：(1) vanadic anhydride is carried out into mixed pelletizing with middle low-order coal, to obtain mixing pelletizing；(2) supplying into reduction roasting device the mixing pelletizing carries out reduction roasting treatment, to obtain containing Low Valent Vanadium hopcalite；(3) by it is described mix with steel cuttings, aluminum shot and lime containing Low Valent Vanadium hopcalite after supply into furnace of calcium carbide and carry out metallurgy, to obtain vanadium iron.Vanadic anhydride is carried out classification reduction by the method, recycles existing process to be smelted in furnace of calcium carbide, and compared with existing vanadium iron smelting process, comprehensive energy consumption saves more than 12%, and aluminum shot consumption reduces by more than 70%.
Description
Technical field
The invention belongs to ferroalloy field, specifically, the method the present invention relates to prepare vanadium iron.
Background technology
Vanadium in the world about 80% is used for steel and iron industry, mainly for the production of micro alloyed steel and low-alloy steel.Vanadium is to alloy
Steel play the role of it is important, when in steel add vanadium when, the combination property of steel can be significantly improved.Vanadium can be with carbon and nitrogen unit in molten steel
Element forms carbide and nitride, and invigoration effect is played to steel with tiny Second Phase Precipitation.Vanadium adds steel as alloying element
The middle intensity that can make steel is improved, the crystal grain refinement of steel, eliminate steel overheat tendency, and can improve the fervid rigid, wear-resisting of steel and
Welding performance.Vanadium is as alloying element often so that in vanadium iron form addition steel, V-alloyed steel is widely used in machine-building, aviation boat
My god, the industry such as construction of road bridges.
The method of production vanadium iron is broadly divided into electro silicothermic process, aluminothermy according to the different its preparation methods of reducing agent at present
Method and electro-aluminothermic process.Electro silicothermic process is main to be smelted by raw material of vanadic anhydride addition lime, steel cuttings, ferrosilicon and aluminum shot,
Aluminothermic process and electro-aluminothermic process are mainly smelted by raw material of vanadic anhydride addition lime, steel cuttings and aluminum shot.The reproducibility of silicon
Can be poor compared with metallic aluminium, to having certain requirement containing vanadium raw materials, slag system composition and product grade, while vanadium yield is relatively low,
Its range of application can not show a candle to aluminothermic reduction technique.The features such as aluminothermic reduction has strong reducing power, vanadium high income, but due to metal
The price of aluminium is of a relatively high, and the fluctuation of vanadium iron product market price is larger, causes the economic benefit of aluminothermic process smelting ferrovanadium to obtain not
To effectively ensureing.
Thus, existing vanadium iron smelting technique also much room in terms of reducing energy consumption and cost can be excavated.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, of the invention
One purpose is to propose a kind of method for preparing vanadium iron.Vanadic anhydride is carried out classification reduction by the method, is recycled
Existing process is smelted in furnace of calcium carbide, and compared with existing vanadium iron smelting process, comprehensive energy consumption saves more than 12%, aluminum shot consumption drop
It is low by more than 70%.
The application is completed based on the following discovery of inventor：During vanadium is as the normal addition steel in vanadium iron form of alloying element,
Due to the addition of vanadium, the intensity of steel can be improved, refine the crystal grain of steel, the overheat tendency of steel be eliminated, while the red heat of steel can be improved
Rigid, wear-resisting and welding performance, therefore V-alloyed steel is widely used in the industries such as machine-building, Aero-Space, construction of road bridges.Mesh
The method of preceding production vanadium iron has electro silicothermic process, aluminothermic process and electro-aluminothermic process according to the difference of reducing agent.Electro silicothermic process is because of silicon
Reducing property it is poor compared with metallic aluminium, while the relatively low factor of vanadium yield, its range of application can not show a candle to aluminothermic process and electrit heat
Method.Aluminothermic process and electro-aluminothermic process are mainly smelted by raw material of vanadic anhydride addition lime, steel cuttings and aluminum shot, with reduction
Ability is strong, vanadium high income the features such as, but because the price of metallic aluminium is of a relatively high, and the fluctuation of vanadium iron product market price is larger,
Causing the economic benefit of aluminothermic process smelting ferrovanadium cannot effectively ensure.In consideration of it, present inventor is by existing
The technology for preparing vanadium iron tried to explore, it is intended to solve defect of the prior art, be desirably to obtain process is simple, energy
Consumption and the lower-cost technique for preparing vanadium iron.
Therefore, in one aspect of the invention, the present invention proposes a kind of method for preparing vanadium iron.According to the present invention
Embodiment, the method includes：(1) vanadic anhydride is carried out into mixed pelletizing with middle low-order coal, to obtain mixing pelletizing；
(2) supplying into reduction roasting device the mixing pelletizing carries out reduction roasting treatment, to obtain aoxidizing containing Low Valent Vanadium
The mixture of thing；(3) by it is described mix with steel cuttings, aluminum shot and lime containing Low Valent Vanadium hopcalite after supply to calcium carbide
Metallurgy is carried out in stove, to obtain vanadium iron.
Thus, the method for preparing vanadium iron according to embodiments of the present invention is entered by by vanadic anhydride with middle low-order coal
Row mixed pelletizing, is conducive to increasing the contact area of vanadic anhydride and middle low-order coal so that vanadic anhydride and middle low-order coal
Contact is abundant, so as to improve the reduction roasting treatment effeciency of follow-up mixing pelletizing, reduces the energy consumption of reduction roasting treatment.Mixing ball
Group carries out reduction roasting treatment in reduction roasting device, exhausted in low-temperature reduction vanadic anhydride using cheap middle low-order coal
Most oxygen, obtains (the predominantly mixing of hypovanadous oxide, vanadium trioxide and vanadium dioxide of Low Valent Vanadium hopcalite
Thing), substantial amounts of aluminum shot raw material input in follow-up furnace of calcium carbide smelting process is advantageously reduced, reduce production cost.Meanwhile, by right
Vanadic anhydride carries out prereduction, advantageously reduces the energy consumption of follow-up furnace of calcium carbide.
In addition, the method for preparing vanadium iron according to the above embodiment of the present invention can also have following additional technology
Feature：
In some embodiments of the invention, in step (1), the ash content in the middle low-order coal is not higher than 10wt%.
Thus, be conducive to improving the grade of vanadium iron.
In some embodiments of the invention, in step (1), by the vanadic anhydride and the middle low-order coal according to
Mass ratio is 100：(7~20) carry out mixed pelletizing.Thus, can further improve the grade of vanadium iron.
In some embodiments of the invention, in step (2), the reduction roasting device is rotary kiln, multiple hearth furnace, tunnel
Road kiln or rotary hearth furnace.Thus, it is remarkably improved the efficiency of reduction roasting treatment.
In some embodiments of the invention, in step (2), the temperature that the reduction roasting is processed is taken the photograph for 600-650
Family name's degree.Thus, can further improve the grade of vanadium iron.
In some embodiments of the invention, in step (3), described Low Valent Vanadium hopcalite and institute will be contained
State steel cuttings, the aluminum shot, the lime in mass ratio 100：(10~100)：(55~90)：(7~12) are mixed.Thus,
Can further improve the grade of vanadium iron.
In some embodiments of the invention, in step (3), the vanadium iron be FeV40, FeV50, FeV60 or
FeV80。
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the method flow schematic diagram for preparing vanadium iron according to an embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In one aspect of the invention, the present invention proposes a kind of method for preparing vanadium iron.Reality of the invention
Example is applied, the method includes：(1) vanadic anhydride is carried out into mixed pelletizing with middle low-order coal, to obtain mixing pelletizing；(2) will
Mixing pelletizing is supplied into reduction roasting device and carries out reduction roasting treatment, to obtain the mixing containing low price barium oxide
Thing；(3) supplied after mixing with steel cuttings, aluminum shot and lime containing Low Valent Vanadium hopcalite and smelted into furnace of calcium carbide
Treatment, to obtain vanadium iron.Inventor is had been surprisingly found that by many experiments, entered with middle low-order coal by by vanadic anhydride
Row mixed pelletizing, is conducive to increasing the contact area of vanadic anhydride and middle low-order coal so that vanadic anhydride and middle low-order coal
Contact is abundant, so as to improve the reduction roasting treatment effeciency of follow-up mixing pelletizing, reduces the energy consumption of reduction roasting treatment.Mixing ball
Group carries out reduction roasting treatment in reduction roasting device, exhausted in low-temperature reduction vanadic anhydride using cheap middle low-order coal
Most oxygen, obtains (the predominantly mixing of hypovanadous oxide, vanadium trioxide and vanadium dioxide of Low Valent Vanadium hopcalite
Thing), substantial amounts of aluminum shot raw material input in follow-up furnace of calcium carbide smelting process is advantageously reduced, reduce production cost.Meanwhile, by right
Vanadic anhydride carries out prereduction, advantageously reduces the energy consumption of follow-up furnace of calcium carbide.
The method for preparing vanadium iron of the embodiment of the present invention is described in detail below with reference to Fig. 1.According to the present invention
Embodiment, the method includes：
S100：Vanadic anhydride is carried out into mixed pelletizing with middle low-order coal
In the step, vanadic anhydride is carried out into mixed pelletizing with middle low-order coal, to obtain mixing pelletizing.Invention human hair
It is existing, mixed pelletizing is carried out with middle low-order coal by by vanadic anhydride, be conducive to increasing connecing for vanadic anhydride and middle low-order coal
Contacting surface is accumulated so that vanadic anhydride is contacted fully with middle low-order coal, so as to improve the reduction roasting treatment effect of follow-up mixing pelletizing
Rate, reduces the energy consumption of reduction roasting treatment.
According to one embodiment of present invention, the ash content in middle low-order coal is not particularly restricted, those skilled in the art
Can be selected according to actual needs, a specific embodiment of the invention, the ash content in middle low-order coal can not be high
In 10wt%.Inventor has found that the too high impurity content that can cause in final gained vanadium iron of ash content is too high, so as to influence vanadium
The grade of ferroalloy.
According to still a further embodiment, vanadic anhydride is not particularly restricted with the mass ratio of middle low-order coal,
Those skilled in the art can be selected according to actual needs, a specific embodiment of the invention, vanadic anhydride
Can be 100 according to mass ratio with middle low-order coal：(7~20) carry out mixed pelletizing.Inventor's discovery, central low-order coal consumption mistake
When low, vanadic anhydride reduction is insufficient during subsequent smelting can be caused to process, and furnace of calcium carbide will be consumed when subsequent smelting is processed
More aluminum shots and electric energy, are unfavorable for energy-conservation and cost-effective；When central low-order coal consumption is too high, the meeting during metallurgy
Excess carbon is produced, carbon content is too high in causing final vanadium iron, so as to influence the grade of vanadium iron.
S200：Mixing pelletizing is supplied into reduction roasting device carries out reduction roasting treatment
In the step, mixing pelletizing is supplied into reduction roasting device carries out reduction roasting treatment, to be contained
Low Valent Vanadium hopcalite.Inventor has found that mixing pelletizing carries out reduction roasting treatment in reduction roasting device, utilizes
Cheap middle low-order coal most of oxygen in low-temperature reduction vanadic anhydride, obtains Low Valent Vanadium hopcalite (main
To be the mixture of hypovanadous oxide, vanadium trioxide and vanadium dioxide), advantageously reduce a large amount of in follow-up furnace of calcium carbide smelting process
Aluminum shot raw material input, reduce production cost.Meanwhile, prereduction is carried out by vanadic anhydride, advantageously reduce follow-up electricity
The energy consumption of stone stove.
According to one embodiment of present invention, reduction roasting device is not particularly restricted, and those skilled in the art can be with
Selected according to actual needs, a specific embodiment of the invention, reduction roasting device can be rotary kiln, many thoraxes
Stove, tunnel cave or rotary hearth furnace.Thus, it is remarkably improved the efficiency of reduction roasting treatment.
According to still a further embodiment, the temperature of reduction roasting treatment is not particularly restricted, art technology
Personnel can be selected according to actual needs, a specific embodiment of the invention, and the temperature of reduction roasting treatment can
Think 600-650 degrees Celsius.Inventor find, reduction roasting treatment temperature it is too low when reduction effect it is poor, and temperature it is too high when
There is fusing in vanadic anhydride, can influence the dynamic conditions of reduction reaction, is unfavorable for reduction reaction in reduction roasting device
Carry out.
S300：Supplied into furnace of calcium carbide after mixing with steel cuttings, aluminum shot and lime containing Low Valent Vanadium hopcalite
Carry out metallurgy
In the step, supplied to calcium carbide after mixing with steel cuttings, aluminum shot and lime containing Low Valent Vanadium hopcalite
Metallurgy is carried out in stove, to obtain vanadium iron.Thus, comprehensive furnace of calcium carbide energy consumption and aluminum shot consumption are advantageously reduced.
According to one embodiment of present invention, containing Low Valent Vanadium hopcalite and steel cuttings, aluminum shot, lime quality
Than being not particularly restricted, those skilled in the art can be selected according to actual needs, and one of the invention specific
Embodiment, containing Low Valent Vanadium hopcalite and steel cuttings, aluminum shot, lime can in mass ratio 100：(10~100)：(55
~90)：(7~12) are mixed.Inventor has found how much the quality of steel cuttings will refer to the board of final goal product vanadium iron
Number determine, for example, smelt the quality of the outer steel cuttings matched somebody with somebody needed for FeV80 at most, and the quality of the steel cuttings needed for smelting FeV40 is minimum.
The quality of aluminum shot and lime changes also with the amount of allocating direct proportion of steel cuttings.
According to still a further embodiment, vanadium iron can be FeV40, FeV50, FeV60 or FeV80.
The method for preparing vanadium iron according to embodiments of the present invention is mixed by by vanadic anhydride with middle low-order coal
Pelletizing is closed, is conducive to increasing the contact area of vanadic anhydride and middle low-order coal so that vanadic anhydride is contacted with middle low-order coal
Fully, so as to improve the reduction roasting treatment effeciency of follow-up mixing pelletizing, the energy consumption of reduction roasting treatment is reduced.Mixing pelletizing exists
Reduction roasting treatment is carried out in reduction roasting device, it is most absolutely in low-temperature reduction vanadic anhydride using cheap middle low-order coal
Several oxygen, obtains Low Valent Vanadium hopcalite (the predominantly mixture of hypovanadous oxide, vanadium trioxide and vanadium dioxide),
Substantial amounts of aluminum shot raw material input in follow-up furnace of calcium carbide smelting process is advantageously reduced, production cost is reduced.Meanwhile, by five oxygen
Changing two vanadium carries out prereduction, advantageously reduces the energy consumption of follow-up furnace of calcium carbide.
Below with reference to specific embodiment, present invention is described, it is necessary to explanation, these embodiments are only description
Property, and the present invention is limited never in any form.
Embodiment 1
By vanadic anhydride (V2O5Grade 95%) (lignite, ash content is less than 10%) according to mass ratio 100 with middle low-order coal：7
Dispensing, mixing and pelletizing are carried out, obtains mixing pelletizing；Above-mentioned mixing pelletizing is supplied into reduction roasting device (rotary hearth furnace)
Row reduction roasting is processed, and the temperature of reduction roasting treatment is 600 degrees Celsius, obtains containing Low Valent Vanadium hopcalite, thing
Facies analysis show that this contains the mixing of Low Valent Vanadium hopcalite predominantly hypovanadous oxide, vanadium trioxide and vanadium dioxide
Thing；By above-mentioned containing Low Valent Vanadium hopcalite and steel cuttings, aluminum shot and lime in mass ratio 100：10：55：7 carry out dispensing
Mixing, being supplied after mixing carries out metallurgy into furnace of calcium carbide, obtains vanadium iron.
After testing, the weight/mass percentage composition of V is 82.43wt%, the weight/mass percentage composition of impurity A l in gained vanadium iron
It is 1.94wt%, the weight/mass percentage composition of impurity C is 0.14wt%, and the weight/mass percentage composition of impurity Si is 1.24wt%, is met
The trade mark requirement of FeV80.Compared with existing vanadium iron smelting process, comprehensive energy consumption saves 15%, and aluminum shot consumption reduces by 70%.
Embodiment 2
By vanadic anhydride (V2O5Grade 95%) (bituminous coal, ash content is less than 10%) according to mass ratio 100 with middle low-order coal：
11 carry out dispensing, mixing and pelletizing, obtain mixing pelletizing；Above-mentioned mixing pelletizing is supplied into reduction roasting device (rotary kiln)
Reduction roasting treatment is carried out, the temperature of reduction roasting treatment is 620 degrees Celsius, is obtained containing Low Valent Vanadium hopcalite,
Material phase analysis show that this contains the mixed of Low Valent Vanadium hopcalite predominantly hypovanadous oxide, vanadium trioxide and vanadium dioxide
Compound；By above-mentioned containing Low Valent Vanadium hopcalite and steel cuttings, aluminum shot and lime in mass ratio 100：100：70：9 are carried out
Dispensing mixes, and being supplied after mixing carries out metallurgy into furnace of calcium carbide, obtains vanadium iron.
After testing, the weight/mass percentage composition of V is 42.47wt%, the weight/mass percentage composition of impurity A l in gained vanadium iron
It is 1.5wt%, the weight/mass percentage composition of impurity C is 0.55wt%, and the weight/mass percentage composition of impurity Si is 1.54wt%, is met
The trade mark requirement of FeV40.Compared with existing vanadium iron smelting process, comprehensive energy consumption saves 12%, and aluminum shot consumption reduces by 75%.
Embodiment 3
By vanadic anhydride (V2O5Grade 95%) (lignite, ash content is less than 10%) according to mass ratio 100 with middle low-order coal：7
Dispensing, mixing and pelletizing are carried out, obtains mixing pelletizing；Above-mentioned mixing pelletizing is supplied into reduction roasting device (tunnel cave)
Row reduction roasting is processed, and the temperature of reduction roasting treatment is 630 degrees Celsius, obtains containing Low Valent Vanadium hopcalite, thing
Facies analysis show that this contains the mixing of Low Valent Vanadium hopcalite predominantly hypovanadous oxide, vanadium trioxide and vanadium dioxide
Thing；By above-mentioned containing Low Valent Vanadium hopcalite and steel cuttings, aluminum shot and lime in mass ratio 100：70：90：10 are matched somebody with somebody
Material mixing, being supplied after mixing carries out metallurgy into furnace of calcium carbide, obtains vanadium iron.
After testing, the weight/mass percentage composition of V is 51.78wt%, the weight/mass percentage composition of impurity A l in gained vanadium iron
It is 1.34wt%, the weight/mass percentage composition of impurity C is 0.54wt%, and the weight/mass percentage composition of impurity Si is 1.44wt%, is met
The trade mark requirement of FeV50.Compared with existing vanadium iron smelting process, comprehensive energy consumption saves 17%, and aluminum shot consumption reduces by 80%.
Embodiment 4
By vanadic anhydride (V2O5Grade 95%) (bituminous coal, ash content is less than 10%) according to mass ratio 100 with middle low-order coal：
20 carry out dispensing, mixing and pelletizing, obtain mixing pelletizing；Above-mentioned mixing pelletizing is supplied into reduction roasting device (rotary hearth furnace)
Reduction roasting treatment is carried out, the temperature of reduction roasting treatment is 650 degrees Celsius, is obtained containing Low Valent Vanadium hopcalite,
Material phase analysis show that this contains the mixed of Low Valent Vanadium hopcalite predominantly hypovanadous oxide, vanadium trioxide and vanadium dioxide
Compound；By above-mentioned containing Low Valent Vanadium hopcalite and steel cuttings, aluminum shot and lime in mass ratio 100：80：90：12 are carried out
Dispensing mixes, and being supplied after mixing carries out metallurgy into furnace of calcium carbide, obtains vanadium iron.
After testing, the weight/mass percentage composition of V is 62.61wt%, the weight/mass percentage composition of impurity A l in gained vanadium iron
It is 1.86wt%, the weight/mass percentage composition of impurity C is 0.59wt%, and the weight/mass percentage composition of impurity Si is 1.38wt%, is met
The trade mark requirement of FeV60.Compared with existing vanadium iron smelting process, comprehensive energy consumption saves 20%, and aluminum shot consumption reduces by 82%.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (7)
1. a kind of method for preparing vanadium iron, it is characterised in that including：
(1) vanadic anhydride is carried out into mixed pelletizing with middle low-order coal, to obtain mixing pelletizing；
(2) supplying into reduction roasting device the mixing pelletizing carries out reduction roasting treatment, to obtain containing Low Valent Vanadium
Hopcalite；
(3) by it is described mix with steel cuttings, aluminum shot and lime containing Low Valent Vanadium hopcalite after supply to enter into furnace of calcium carbide
Row metallurgy, to obtain vanadium iron.
2. method according to claim 1, it is characterised in that in step (1), the ash content in the middle low-order coal is not high
In 10wt%.
3. method according to claim 1 and 2, it is characterised in that in step (1), by the vanadic anhydride and institute
It is 100 that middle low-order coal is stated according to mass ratio：(7~20) carry out mixed pelletizing.
4. the method according to any one of claim 1-3, it is characterised in that in step (2), the reduction roasting dress
It is set to rotary kiln, multiple hearth furnace, tunnel cave or rotary hearth furnace.
5. the method according to any one of claim 1-4, it is characterised in that in step (2), at the reduction roasting
The temperature of reason is 600-650 degrees Celsius.
6. the method according to any one of claim 1-5, it is characterised in that in step (3), will be described containing at a low price
The mixture of barium oxide and the steel cuttings, the aluminum shot, the lime in mass ratio 100：(10~100)：(55~90)：(7
~12) mixed.
7. the method according to any one of claim 1-6, it is characterised in that in step (3), the vanadium iron is
FeV40, FeV50, FeV60 or FeV80.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161368.1A CN106854699A (en) | 2016-12-15 | 2016-12-15 | The method for preparing vanadium iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161368.1A CN106854699A (en) | 2016-12-15 | 2016-12-15 | The method for preparing vanadium iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106854699A true CN106854699A (en) | 2017-06-16 |
Family
ID=59125863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611161368.1A Pending CN106854699A (en) | 2016-12-15 | 2016-12-15 | The method for preparing vanadium iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106854699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656276A (en) * | 2019-10-31 | 2020-01-07 | 重庆大学 | Method for preparing ferrovanadium alloy by magnesium-aluminum composite thermal reduction of vanadium oxide |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177755A (en) * | 2007-12-12 | 2008-05-14 | 钢铁研究总院 | Method for smelting high-speed steel by employing oxide ore |
| CN101717117A (en) * | 2009-12-29 | 2010-06-02 | 四川省川威集团有限公司 | Method for producing vanadium trioxide |
| CN102002585A (en) * | 2010-11-15 | 2011-04-06 | 中南大学 | Method for producing vanadium iron with stone-like coal pickle liquor |
| CN102094097A (en) * | 2011-03-04 | 2011-06-15 | 攀钢集团钢铁钒钛股份有限公司 | Production process for smelting vanadium ferro-alloy by electro-aluminothermic process |
| CN102115821A (en) * | 2010-09-13 | 2011-07-06 | 攀钢集团钢铁钒钛股份有限公司 | Method for smelting ferrovanadium |
| CN102127640A (en) * | 2011-04-20 | 2011-07-20 | 攀枝花学院 | Method for producing moderate ferrovanadium |
| CN103045929A (en) * | 2012-12-31 | 2013-04-17 | 攀钢集团西昌钢钒有限公司 | Method for producing ferrovanadium by aluminothermic process |
-
2016
- 2016-12-15 CN CN201611161368.1A patent/CN106854699A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177755A (en) * | 2007-12-12 | 2008-05-14 | 钢铁研究总院 | Method for smelting high-speed steel by employing oxide ore |
| CN101717117A (en) * | 2009-12-29 | 2010-06-02 | 四川省川威集团有限公司 | Method for producing vanadium trioxide |
| CN102115821A (en) * | 2010-09-13 | 2011-07-06 | 攀钢集团钢铁钒钛股份有限公司 | Method for smelting ferrovanadium |
| CN102002585A (en) * | 2010-11-15 | 2011-04-06 | 中南大学 | Method for producing vanadium iron with stone-like coal pickle liquor |
| CN102094097A (en) * | 2011-03-04 | 2011-06-15 | 攀钢集团钢铁钒钛股份有限公司 | Production process for smelting vanadium ferro-alloy by electro-aluminothermic process |
| CN102127640A (en) * | 2011-04-20 | 2011-07-20 | 攀枝花学院 | Method for producing moderate ferrovanadium |
| CN103045929A (en) * | 2012-12-31 | 2013-04-17 | 攀钢集团西昌钢钒有限公司 | Method for producing ferrovanadium by aluminothermic process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656276A (en) * | 2019-10-31 | 2020-01-07 | 重庆大学 | Method for preparing ferrovanadium alloy by magnesium-aluminum composite thermal reduction of vanadium oxide |
| CN110656276B (en) * | 2019-10-31 | 2021-06-04 | 重庆大学 | Method for preparing ferrovanadium alloy by magnesium-aluminum composite thermal reduction of vanadium oxide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6648942B2 (en) | Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus | |
| CN105907984B (en) | The method for comprehensively utilizing vanadium slag | |
| AU2003238774A1 (en) | Finisher-hearth-melter furnace and method of using for iron-making / steel-making | |
| CN103695768B (en) | A kind of W metallurgy and preparation method thereof | |
| CN107099715A (en) | The method for preparing vanadium iron with wash heat refining is reduced based on aluminothermy self- propagating gradient | |
| Ahmed et al. | Parameters affecting energy consumption for producing high carbon ferromanganese in a closed submerged arc furnace | |
| CN102127640A (en) | Method for producing moderate ferrovanadium | |
| CN101418388B (en) | Process for producing nickel iron in rotary kiln-blast furnace by using laterite nickle mine | |
| CN106521148A (en) | Method for preparing high carbon ferro-chrome by fusible chrome fine ore | |
| CN104328242A (en) | Steelmaking method of high-phosphorus molten iron containing vanadium-titanium | |
| Olsen et al. | SILICOMANGANESE PRODUCTION œ PROCESS UNDERSTANDING | |
| CN109182886A (en) | Reduce the method that content of vanadium is remained in ferrovanadium slag | |
| CN105970073B (en) | A kind of preparation method of steel-making additive for smelting molybdenum-containinstainless steel | |
| CN106854700A (en) | The method for preparing vanadium iron | |
| CN102994688B (en) | Pretreatment technology of terminal steel slag in converter | |
| CN105886765A (en) | Method for producing ferrosilicon | |
| CN106854699A (en) | The method for preparing vanadium iron | |
| CN102206754A (en) | Method for producing ferrovanadium | |
| JP2000192153A (en) | Sintered ore and production thereof, and operation of blast furnace | |
| US2674531A (en) | Iron recovery | |
| US20140060251A1 (en) | Process of the production and refining of low-carbon dri (direct reduced iron) | |
| CN106480312B (en) | A method of mid-carbon fe-mn is produced using high carbon ferromanganese powder | |
| CN104878273A (en) | Method for smelting ferrovanadium through iron particles and steel scraps | |
| RU2310694C2 (en) | Ferronickel production process | |
| CN110408780A (en) | A kind of technique for smelting low-phosphorous manganeisen using high carbon ferromanganese liquid slag hot charging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170616 |
|
| RJ01 | Rejection of invention patent application after publication |