CN107354327A - A kind of high-efficient production technology of high vanadium ferroalloy - Google Patents
A kind of high-efficient production technology of high vanadium ferroalloy Download PDFInfo
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- CN107354327A CN107354327A CN201710599581.9A CN201710599581A CN107354327A CN 107354327 A CN107354327 A CN 107354327A CN 201710599581 A CN201710599581 A CN 201710599581A CN 107354327 A CN107354327 A CN 107354327A
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- vanadium
- lime
- aluminum shot
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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
- C22C1/02—Making non-ferrous alloys by melting
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
- C22C27/025—Alloys based on vanadium, niobium, or tantalum alloys based on vanadium
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of high-efficient production technology of high vanadium ferroalloy, belongs to metal smelt technical field.After stove pre-heating drying, a small amount of furnace charge, the good bed material of cloth are added in furnace tube bottom；Lighted a fire using bottom, lighted a fire, smelted with magnesium rod and sodium chlorate；After reacting balance, furnace charge is gradually added into；After smelting terminates, add reducing agent and refined.Present invention process is simple, and dregginess can be reduced by lime, fluorite and broken vanadium slag, while this technique can improve the rate of recovery of vanadium, the rate of recovery of vanadium is reached 94% 97%.
Description
Technical field
The invention belongs to metal smelt technical field, and in particular to a kind of high-efficient production technology of high vanadium ferroalloy.
Background technology
Vanadium iron is the ferroalloy of vanadium and iron composition, alloy addition is mainly used as in smelting steel, high vanadium ferroalloy is also used extensively
In non-ferrous alloy additive.Conventional vanadium iron has containing 40%, 60% and 80% three kind of vanadium.It is in silver gray that high vanadium ferroalloy FeV80, which is, can be carried
Gao Gang intensity, toughness, ductility and heat resistance, the application of high vanadium ferroalloy are more and more extensive.
At present, existing production high vanadium ferroalloy FeV80 smelting processes mainly have carbothermic method.Ferrosilicon process and aluminothermic process.Carbon
Although thermal reduction production cost is low, phosphorus content is high in its product, and typically more than 4%, most of steel grade can not use；Silicon
Hot method is called electro silicothermic process, mainly makees reducing agent production vanadium iron with ferrosilicon, but is difficult to smelting high-grade, the FeV80 productions of high content
Product.The first method of production high vanadium ferroalloy both at home and abroad, universal silkworm chrysalis aluminothermic process or is thermit reduction, its using aluminium as reducing agent,
In smelting furnace, using lower point pyrometallurgical smelting, first fraction mixed material is fitted into reactor and lighted a fire, after reaction starts
Add remaining mixed material successively again, but its rate of recovery is relatively low, typically 89% or so.
The content of the invention
The defects of to overcome present in prior art, the present invention provide a kind of high-efficient production technology of high vanadium ferroalloy, and it is utilized
Metal al reducing agent, can solve the problem that above-mentioned technical problem.
Technical scheme is used by the invention solves its technical problem：Design a kind of efficient production work of high vanadium ferroalloy
Skill, carry out successively as steps described below：
Step 1：After stove pre-heating drying, a small amount of furnace charge, the good bed material of cloth are added in furnace tube bottom；
Step 2：Lighted a fire using bottom, lighted a fire, smelted with magnesium rod and sodium chlorate；
Step 3：After reacting balance, furnace charge is gradually added into；
Step 4：After smelting terminates, add metal al reducing agent and refined；
Charging weight described in step 1, which matches, is：Vanadium trioxide 25-30 parts, aluminum shot 25-35 parts, vanadic anhydride 15-
20 parts, iron filings 5-10 parts, lime 4-6 parts, fluorite 4-8 parts, broken vanadium slag 5-8 parts；The bed material weight proportion is：Aluminum shot 40-45,
Vanadic anhydride 10-15, iron filings 20-27, lime 18-25.
Preferably, described charging weight proportioning is vanadium trioxide：30 parts, aluminum shot：27 parts, vanadic anhydride：17
Part, iron filings：10 parts, lime：5 parts, fluorite：6 parts, broken vanadium slag：5 parts；The bed material weight proportion is：Aluminum shot：45 parts, five oxidations
Two vanadium：10 parts, iron filings：27 parts, lime：18 parts.
Preferably, the granularity of described aluminum shot is 4-8mm；The granularity of lime is 1-3mm.
Beneficial effect is possessed by the present invention：
Present invention process is simple, can reduce dregginess by lime, fluorite and broken vanadium slag, while this technique can improve vanadium
The rate of recovery, the rate of recovery of vanadium is set to reach 94%-97%.The size of aluminum shot granularity is that 4-8mm can ensure normally entering for production
OK.
Embodiment
Embodiment 1
A kind of high-efficient production technology of high vanadium ferroalloy, is carried out successively as steps described below：
Step 1：After stove pre-heating drying, a small amount of furnace charge, the good bed material of cloth are added in furnace tube bottom；
Step 2：Lighted a fire using bottom, lighted a fire, smelted with magnesium rod and sodium chlorate；
Step 3：After reacting balance, furnace charge is gradually added into；
Step 4：After smelting terminates, add reducing agent and refined；
Described charging weight proportioning is vanadium trioxide：30 parts, aluminum shot：27 parts, vanadic anhydride：17 parts, iron filings：10 parts,
Lime：5 parts, fluorite：6 parts, broken vanadium slag：5 parts；The bed material weight proportion is：Aluminum shot：45 parts, vanadic anhydride：10 parts, iron
Bits：27 parts, lime：18 parts.
The granularity of described aluminum shot is 4mm；The granularity of lime is 1mm.
Embodiment 2
A kind of high-efficient production technology of high vanadium ferroalloy, is carried out successively as steps described below：
Step 1：After stove pre-heating drying, a small amount of furnace charge, the good bed material of cloth are added in furnace tube bottom；
Step 2：Lighted a fire using bottom, lighted a fire, smelted with magnesium rod and sodium chlorate；
Step 3：After reacting balance, furnace charge is gradually added into；
Step 4：After smelting terminates, add reducing agent and refined；
Described charging weight proportioning is vanadium trioxide：25 parts, aluminum shot：35 parts, vanadic anhydride：15 parts, iron filings：5 parts,
Lime：4 parts, fluorite：8 parts, broken vanadium slag：8 parts；The bed material weight proportion is：Aluminum shot：40 parts, vanadic anhydride：15 parts, iron
Bits：25 parts, lime：20 parts.
The granularity of described aluminum shot is 6mm；The granularity of lime is 2mm.
Embodiment 3
A kind of high-efficient production technology of high vanadium ferroalloy, is carried out successively as steps described below：
Step 1：After stove pre-heating drying, a small amount of furnace charge, the good bed material of cloth are added in furnace tube bottom；
Step 2：Lighted a fire using bottom, lighted a fire, smelted with magnesium rod and sodium chlorate；
Step 3：After reacting balance, furnace charge is gradually added into；
Step 4：After smelting terminates, add reducing agent and refined；
Described charging weight proportioning is vanadium trioxide：28 parts, aluminum shot：25 parts, vanadic anhydride：20 parts, iron filings：10 parts,
Lime：6 parts, fluorite：4 parts, broken vanadium slag：7 parts；The bed material weight proportion is：Aluminum shot：41 parts, vanadic anhydride：11 parts, iron
Bits：20 parts, lime：25 parts.
The granularity of described aluminum shot is 8mm；The granularity of lime is 3mm.
It should be noted last that：Above example is only to illustrative and not limiting technical scheme, although ginseng
The present invention is described in detail according to above-described embodiment, it will be apparent to an ordinarily skilled person in the art that：Still can be to this
Invention is modified or equivalent substitution, and any modification or partial replacement without departing from the spirit and scope of the present invention, its is equal
It should cover among scope of the presently claimed invention.
Claims (3)
1. a kind of high-efficient production technology of high vanadium ferroalloy, is carried out successively as steps described below：
Step 1：After stove pre-heating drying, a small amount of furnace charge, the good bed material of cloth are added in furnace tube bottom；
Step 2：Lighted a fire using bottom, lighted a fire, smelted with magnesium rod and sodium chlorate；
Step 3：After reacting balance, furnace charge is gradually added into；
Step 4：After smelting terminates, add metal al reducing agent and refined；
Charging weight described in step 1, which matches, is：Vanadium trioxide 25-30 parts, aluminum shot 25-35 parts, vanadic anhydride 15-
20 parts, iron filings 5-10 parts, lime 4-6 parts, fluorite 4-8 parts, broken vanadium slag 5-8 parts；The bed material weight proportion is：Aluminum shot 40-45,
Vanadic anhydride 10-15, iron filings 20-27, lime 18-25.
A kind of 2. high-efficient production technology of high vanadium ferroalloy according to claim 1, it is characterised in that：Described charging weight is matched somebody with somebody
Than for vanadium trioxide：30 parts, aluminum shot：27 parts, vanadic anhydride：17 parts, iron filings：10 parts, lime：5 parts, fluorite：6 parts, it is broken
Vanadium slag：5 parts；The bed material weight proportion is：Aluminum shot：45 parts, vanadic anhydride：10 parts, iron filings：27 parts, lime：18 parts.
A kind of 3. high-efficient production technology of high vanadium ferroalloy according to claim 1, it is characterised in that：The granularity of described aluminum shot
For 4-8mm；The granularity of lime is 1-3mm.
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| CN201710599581.9A CN107354327A (en) | 2017-07-21 | 2017-07-21 | A kind of high-efficient production technology of high vanadium ferroalloy |
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| CN201710599581.9A CN107354327A (en) | 2017-07-21 | 2017-07-21 | A kind of high-efficient production technology of high vanadium ferroalloy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457171A (en) * | 2018-11-18 | 2019-03-12 | 湖南众鑫新材料科技股份有限公司 | A method of preparing high vanadium ferroalloy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0770667A (en) * | 1993-08-31 | 1995-03-14 | Taiyo Koukou Kk | Production of low nitrogen vanadium |
| CN101724751A (en) * | 2009-12-29 | 2010-06-09 | 四川省川威集团有限公司 | Method for smelting high vanadium ferrovanadium |
| 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 |
| CN105018828A (en) * | 2015-08-13 | 2015-11-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Preparation method of vanadium iron |
-
2017
- 2017-07-21 CN CN201710599581.9A patent/CN107354327A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0770667A (en) * | 1993-08-31 | 1995-03-14 | Taiyo Koukou Kk | Production of low nitrogen vanadium |
| CN101724751A (en) * | 2009-12-29 | 2010-06-09 | 四川省川威集团有限公司 | Method for smelting high vanadium ferrovanadium |
| 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 |
| 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 |
| CN105018828A (en) * | 2015-08-13 | 2015-11-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Preparation method of vanadium iron |
Non-Patent Citations (2)
| Title |
|---|
| 许传才: "《铁合金冶炼工艺学》", 30 June 2008, 北京：冶金工业出版社 * |
| 邹建新 等: "《钒钛产品生产工艺与设备》", 31 January 2014, 北京：化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457171A (en) * | 2018-11-18 | 2019-03-12 | 湖南众鑫新材料科技股份有限公司 | A method of preparing high vanadium ferroalloy |
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Application publication date: 20171117 |