CN106191481A - A kind of molten-salt growth method produces the preparation technology of aluminum-vanadium alloy - Google Patents
A kind of molten-salt growth method produces the preparation technology of aluminum-vanadium alloy Download PDFInfo
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- CN106191481A CN106191481A CN201610649965.2A CN201610649965A CN106191481A CN 106191481 A CN106191481 A CN 106191481A CN 201610649965 A CN201610649965 A CN 201610649965A CN 106191481 A CN106191481 A CN 106191481A
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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Abstract
The present invention relates to aluminium intermediate alloy synthesis field, particularly disclose a kind of molten-salt growth method and produce the preparation technology of aluminum-vanadium alloy.Its step is: joined by aluminium ingot in electric induction furnace, melt and be warming up to 700～900 DEG C, after cryolite, potassium fluoroaluminate and vanadic anhydride are mixed into compound, add in automatic charging equipment hopper, above-mentioned compound is added in electric induction furnace, after reacting 60～100 minutes, sample examination, pour out the villiaumite on alloy surface after qualified, add slag former cleaning alloy surface residue villiaumite；Alloy is heated up, leads to argon with rotary degassing machine and carry out refine degasification, be subsequently adding slag former and again carry out slag making process.The present invention utilizes electric induction furnace, join in high temperature aluminum water after cryolite, potassium fluoroaluminate and three kinds of material mixing of vanadic anhydride, it is directly produced out aluminum-vanadium alloy, solves the problems such as employing mix-melting method prepares that aluminum-vanadium alloy cost height, energy consumption height, time length, efficiency is low and quality is unstable.
Description
(1) technical field
The present invention relates to aluminium intermediate alloy synthesis field, produce the preparation technology of aluminum-vanadium alloy particularly to a kind of molten-salt growth method.
(2) background technology
The conventional preparation techniques of aluminum-vanadium alloy is to the method for mixing, and mainly carries out with metallic aluminium and vanadium metal or vananum for raw material
High temperature melting is joined.But owing to vanadium metal and vananum price are higher, and infusibility solution, easy segregation during molten joining；Along with the energy
Price rises steadily, and the problem such as mix-melting method cost height, energy consumption height, time length, efficiency is low and quality is unstable is the most prominent.
(3) summary of the invention
The present invention is in order to make up the defect of prior art, it is provided that a kind of low cost, energy consumption is low, efficiency is high, stay-in-grade molten
Salt method produces the preparation technology of aluminum-vanadium alloy.
The present invention is achieved through the following technical solutions:
A kind of molten-salt growth method produces the preparation technology of aluminum-vanadium alloy, it is characterized in that, is joined by aluminium ingot in electric induction furnace, melts and rise
Temperature is to 700～900 DEG C, after cryolite, potassium fluoroaluminate and vanadic anhydride are mixed into compound, adds automatic charging equipment material
In case, above-mentioned compound, between 700～900 hertz, is added in electric induction furnace, feed time by the frequency of adjustment electric induction furnace
Controlling in 10～30 minutes, then reaction became alloy after 60～100 minutes, by alloy sample examination, reached required
Pour out the villiaumite on alloy surface after the mass content of vanadium, after toppling over, add slag former cleaning alloy surface residual fluorine
Salt；After cleaning out, alloy is warming up to 780～850 DEG C, leads to argon with rotary degassing machine and carry out refine degasification, refine degasification
Time is 25～35 minutes, first clears up alloy surface scum silica frost after refine degasification, is subsequently adding slag former and again carries out slag making
Process, after being disposed, alloy casting is become waffle ingot.
The frequency of described electric induction furnace is 800 hertz.
The rotating speed of described rotary degassing machine is 200～400 rpm.
The rotating speed of described rotary degassing machine is 300 rpm.
Slag former is alloy mass 2.5～3 ‰ used for the first time, the slag former that second time uses is alloy mass
1～1.5 ‰.
The invention has the beneficial effects as follows:
The present invention utilizes electric induction furnace, joins height after cryolite, potassium fluoroaluminate and three kinds of material mixing of vanadic anhydride
Temperature aluminum water in, be directly produced out aluminum-vanadium alloy, solve employing mix-melting method prepare aluminum-vanadium alloy cost height, energy consumption height, time length,
The problems such as efficiency is low and quality is unstable.
(4) detailed description of the invention
It it is below the specific embodiment of the present invention.Use the present invention preparation technology can prepare any content of vanadium (mass fraction,
Lower with) aluminum-vanadium alloy, the present embodiment is respectively 5% and 10% citing with content of vanadium (mass fraction):
Embodiment one (preparing the aluminum-vanadium alloy that content of vanadium is 5%):
By 980 kilograms of 99.7%(mass fractions, lower with) aluminium ingot join in electric induction furnace, melt and be warming up to 700 DEG C, will
After 150 kilograms of cryolite, 50 kilograms of potassium fluoroaluminates and 175 kilograms of vanadic anhydrides are mixed into compound, add auto feed
In machine hopper, the frequency of electric induction furnace is adjusted to 900 hertz, above-mentioned compound is added in electric induction furnace, feed time control
System is in 10～30 minutes, and then reaction became alloy after 60 minutes, by alloy sample examination, poured out conjunction after content of vanadium is qualified
Villiaumite in gold surface, adds 2.5 kilograms of slag former cleaning alloy surface residue villiaumites after toppling over；After cleaning out, will
Above-mentioned alloy is warming up to 850 DEG C, leads to argon with rotary degassing machine and carries out refine degasification, and the rotating speed of rotary degassing machine is 200 rpm,
The refine degasification time is 35 minutes, first clears up alloy surface scum silica frost after refine degasification, then adds 1 kilogram of slag former again
Secondary carrying out slag making process, alloy casting becomes after being disposed waffle ingot, can obtain 1000 kilograms of content of vanadium is the aluminum-vanadium alloy of 5%.
Embodiment two (preparing the aluminum-vanadium alloy that content of vanadium is 5%):
The aluminium ingot of 980 kilogram 99.7% is joined in electric induction furnace, melts and be warming up to 800 DEG C, by 150 kilograms of cryolite,
After 50 kilograms of potassium fluoroaluminates and 175 kilograms of vanadic anhydrides are mixed into compound, add in automatic charging equipment hopper, by faradism
The frequency of stove adjusts to 800 hertz, is added in electric induction furnace by above-mentioned compound, and feed time controls in 10～30 minutes,
Then reaction became alloy after 80 minutes, by alloy sample examination, pours out the villiaumite on alloy surface, incline after content of vanadium is qualified
3 kilograms of slag former cleaning alloy surface residue villiaumites are added after Daoing；After cleaning out, above-mentioned alloy is warming up to 800 DEG C,
Leading to argon with rotary degassing machine and carry out refine degasification, the rotating speed of rotary degassing machine is 300 rpm, and the refine degasification time is 30 points
Clock, first clears up alloy surface scum silica frost after refine degasification, then add 1.2 kilograms of slag formers and again carry out slag making process,
Alloy casting becomes after being disposed waffle ingot, and can obtain 1000 kilograms of content of vanadium is the aluminum-vanadium alloy of 5%.
Embodiment three (preparing the aluminum-vanadium alloy that content of vanadium is 5%):
The aluminium ingot of 980 kilogram 99.7% is joined in electric induction furnace, melts and be warming up to 900 DEG C, by 150 kilograms of cryolite,
After 50 kilograms of potassium fluoroaluminates and 175 kilograms of vanadic anhydrides are mixed into compound, add in automatic charging equipment hopper, by faradism
The frequency of stove adjusts to 700 hertz, is added in electric induction furnace by above-mentioned compound, and feed time controls in 10～30 minutes,
Then reaction became alloy after 80 minutes, by alloy sample examination, pours out the villiaumite on alloy surface, incline after content of vanadium is qualified
3.5 kilograms of slag former cleaning alloy surface residue villiaumites are added after Daoing；After cleaning out, above-mentioned alloy is warming up to 780
DEG C, leading to argon with rotary degassing machine and carry out refine degasification, the rotating speed of rotary degassing machine is 400 rpm, and the refine degasification time is 25
Minute, first clear up alloy surface scum silica frost after refine degasification, then add 1.5 kilograms of slag formers and again carry out at slag making
Reason, becomes waffle ingot by alloy casting after being disposed, can obtain 1000 kilograms of content of vanadium is the aluminum-vanadium alloy of 5%.
Embodiment four (preparing the aluminum-vanadium alloy that content of vanadium is 10%):
The aluminium ingot of 950 kilogram 99.7% is joined in electric induction furnace, melts and be warming up to 720 DEG C, by 150 kilograms of cryolite,
After double centner potassium fluoroaluminate and 350 kilograms of vanadic anhydrides are mixed into compound, add in automatic charging equipment hopper, will sensing
The frequency of electric furnace adjusts to 700 hertz, is added in electric induction furnace by above-mentioned compound, and feed time controlled at 10～30 minutes
In, then reaction became alloy after 100 minutes, by alloy sample examination, poured out the fluorine on alloy surface after content of vanadium is qualified
Salt, adds 3 kilograms of slag former cleaning alloy surface residue villiaumites after toppling over；After cleaning out, above-mentioned alloy is warming up to
800 DEG C, leading to argon with rotary degassing machine and carry out refine degasification, the rotating speed of rotary degassing machine is 300 rpm, and the refine degasification time is
30 minutes, after refine degasification, first clear up alloy surface scum silica frost, then add 1.2 kilograms of slag formers and again carry out at slag making
Reason, becomes waffle ingot by alloy casting after being disposed, can obtain 1000 kilograms of content of vanadium is the aluminum-vanadium alloy of 10%.
Embodiment five (preparing the aluminum-vanadium alloy that content of vanadium is 10%):
The aluminium ingot of 950 kilogram 99.7% is joined in electric induction furnace, melts and be warming up to 850 DEG C, by 150 kilograms of cryolite,
After double centner potassium fluoroaluminate and 350 kilograms of vanadic anhydrides are mixed into compound, add in automatic charging equipment hopper, will sensing
The frequency of electric furnace adjusts to 800 hertz, is added in electric induction furnace by above-mentioned compound, and feed time controlled at 10～30 minutes
In, then reaction became alloy after 80 minutes, by alloy sample examination, poured out the fluorine on alloy surface after content of vanadium is qualified
Salt, adds 3.5 kilograms of slag former cleaning alloy surface residue villiaumites after toppling over；After cleaning out, above-mentioned alloy is heated up
To 850 DEG C, leading to argon with rotary degassing machine and carry out refine degasification, the rotating speed of rotary degassing machine is 400 rpm, the refine degasification time
It is 25 minutes, after refine degasification, first clears up alloy surface scum silica frost, then add 1.5 kilograms of slag formers and again carry out slag making
Processing, alloy casting becomes after being disposed waffle ingot, can obtain 1000 kilograms of content of vanadium is the aluminum-vanadium alloy of 10%.
Embodiment six (preparing the aluminum-vanadium alloy that content of vanadium is 10%):
The aluminium ingot of 950 kilogram 99.7% is joined in electric induction furnace, melts and be warming up to 900 DEG C, by 150 kilograms of cryolite,
After double centner potassium fluoroaluminate and 350 kilograms of vanadic anhydrides are mixed into compound, add in automatic charging equipment hopper, will sensing
The frequency of electric furnace adjusts to 900 hertz, is added in electric induction furnace by above-mentioned compound, and feed time controlled at 10～30 minutes
In, then reaction became alloy after 60 minutes, by alloy sample examination, poured out the fluorine on alloy surface after content of vanadium is qualified
Salt, adds 2.5 kilograms of slag former cleaning alloy surface residue villiaumites after toppling over；After cleaning out, above-mentioned alloy is heated up
To 780 DEG C, leading to argon with rotary degassing machine and carry out refine degasification, the rotating speed of rotary degassing machine is 200 rpm, the refine degasification time
It is 35 minutes, after refine degasification, first clears up alloy surface scum silica frost, then add 1 kilogram of slag former and again carry out at slag making
Reason, becomes waffle ingot by alloy casting after being disposed, can obtain 1000 kilograms of content of vanadium is the aluminum-vanadium alloy of 10%.
In addition to technical characteristic described in description, remaining technical characteristic is all known to a person skilled in the art technology.
Claims (5)
1. molten-salt growth method produces a preparation technology for aluminum-vanadium alloy, it is characterized in that, is joined by aluminium ingot in electric induction furnace, and fusing is also
It is warming up to 700～900 DEG C, after cryolite, potassium fluoroaluminate and vanadic anhydride are mixed into compound, adds automatic charging equipment
In hopper, above-mentioned compound, between 700～900 hertz, is added in electric induction furnace, during charging by the frequency of adjustment electric induction furnace
Between control in 10～30 minutes, then reaction became alloy after 60～100 minutes, by alloy sample examination, reached required
Vanadium mass content after pour out the villiaumite on alloy surface, after toppling over add slag former cleaning alloy surface residual fluorine
Salt；After cleaning out, alloy is warming up to 780～850 DEG C, leads to argon with rotary degassing machine and carry out refine degasification, refine degasification
Time is 25～35 minutes, first clears up alloy surface scum silica frost after refine degasification, is subsequently adding slag former and again carries out slag making
Process, after being disposed, alloy casting is become waffle ingot.
Molten-salt growth method the most according to claim 1 produces the preparation technology of aluminum-vanadium alloy, it is characterized in that, described electric induction furnace
Frequency is 800 hertz.
Molten-salt growth method the most according to claim 1 produces the preparation technology of aluminum-vanadium alloy, it is characterized in that, described rotary degassing machine
Rotating speed be 200～400 rpm.
Molten-salt growth method the most according to claim 3 produces the preparation technology of aluminum-vanadium alloy, it is characterized in that, described rotary degassing machine
Rotating speed be 300 rpm.
Molten-salt growth method the most according to claim 1 produces the preparation technology of aluminum-vanadium alloy, it is characterized in that, use for the first time makes
Slag agent is the 2.5～3.5 ‰ of alloy mass, slag former is alloy mass 1～the 1.5 ‰ of second time use.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323207A (en) * | 2022-08-12 | 2022-11-11 | 安美奇铝业(中国)有限公司 | Aluminum-titanium-boron rod and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102134657A (en) * | 2011-04-28 | 2011-07-27 | 江苏美特林科特殊合金有限公司 | Method for optimizing preparation process of vanadium-aluminum alloy |
| CN103741171A (en) * | 2014-01-24 | 2014-04-23 | 东北大学 | Method for producing aluminum zirconium alloy by aluminum liquid-molten salt method |
| CN104131205A (en) * | 2014-08-18 | 2014-11-05 | 攀钢集团攀枝花钢铁研究院有限公司 | Preparation method of vanadium-aluminum alloy |
| CN104745844A (en) * | 2015-03-06 | 2015-07-01 | 宝鸡市嘉诚稀有金属材料有限公司 | Low-cost vanadium-aluminum alloy preparation technology |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102134657A (en) * | 2011-04-28 | 2011-07-27 | 江苏美特林科特殊合金有限公司 | Method for optimizing preparation process of vanadium-aluminum alloy |
| CN103741171A (en) * | 2014-01-24 | 2014-04-23 | 东北大学 | Method for producing aluminum zirconium alloy by aluminum liquid-molten salt method |
| CN104131205A (en) * | 2014-08-18 | 2014-11-05 | 攀钢集团攀枝花钢铁研究院有限公司 | Preparation method of vanadium-aluminum alloy |
| CN104745844A (en) * | 2015-03-06 | 2015-07-01 | 宝鸡市嘉诚稀有金属材料有限公司 | Low-cost vanadium-aluminum alloy preparation technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323207A (en) * | 2022-08-12 | 2022-11-11 | 安美奇铝业(中国)有限公司 | Aluminum-titanium-boron rod and preparation method thereof |
| CN115323207B (en) * | 2022-08-12 | 2023-09-29 | 安美奇铝业(中国)有限公司 | Aluminum titanium boron rod and preparation method thereof |
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