CN105603293B - To climb western titanium material electric furnace melting down method production ferro-titanium - Google Patents
To climb western titanium material electric furnace melting down method production ferro-titanium Download PDFInfo
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- CN105603293B CN105603293B CN201610189939.6A CN201610189939A CN105603293B CN 105603293 B CN105603293 B CN 105603293B CN 201610189939 A CN201610189939 A CN 201610189939A CN 105603293 B CN105603293 B CN 105603293B
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- 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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- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/003—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals by induction
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- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C14/00—Alloys based on titanium
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Abstract
The invention belongs to ferro-titanium field of smelting, and in particular to climb western titanium material electric furnace melting down method production ferro-titanium.Comprise the following steps：The raw material being made up of Panxi Diqu rich-titanium material, iron and steel stock using 100Kg is added after auxiliary material as weight basis by weight ratio into raw material, is smelted using electric furnace melting down method, obtains the high-quality ferro-titanium product that content of impurities is less than 5%；The percentage by weight of raw material composition is：Panxi Diqu rich-titanium material 30~90%, iron and steel stock 10~70%；The addition of the auxiliary material is：0.25~1.0Kg of aluminum reducing agent, 0.3~1.0Kg of assistant reducing agent, calcareous 1.0~1.5Kg of metallurgic auxiliary materials.Raw material sources of the present invention determine that production technology is safe and reliable, and electric energy consumption is low, ferrotianium grade is high, and impurity content is low, forms the ferro-titanium product of steady quality, production cost is reduced, and realizes the industrialization of ferro-titanium remelting process production, meets demand of the user to high-quality high-grade ferrotianium.
Description
Technical field
The invention belongs to ferro-titanium field of smelting, and in particular to be closed with climbing western titanium material electric furnace melting down method production ferrotianium
Gold.
Background technology
The density 4.5g/cm of titanium3, 1660 DEG C of fusion temperature, with sulphur, oxygen, nitrogen with strong interaction.In order to obtain more
The tiny TiN particles of distribution are dissipated, continuous casting is necessary condition.Stainless steel, boron processing steel and IF steel in, titanium as stabilizer,
With carbon and nitrogen formation precipitate.Titanium is added in hot-rolled steel, precipitation strength and control oxide morphology can be played a part of.Continuous casting
Few titanium is added in steel, the surface quality of strand can be improved.The welding of sheet steel, microalloying forged steel and high-strength low alloy steel
In heat-affected zone, the titaniferous particle of the stabilization of Dispersed precipitate is conducive to crystal grain thinning, in the case where heat treatment coordinates, trace amount of titanium energy
Significantly improve the intensity and toughness of low-alloy steel.Crystal grain is prevented to grow up because titanium has in steel, prevention forms austenite and tied again
Crystalline substance, and produce the effect such as significant precipitation strength effect, therefore, low-alloy high-strength steel, tool steel, stainless steel and structural steel etc.
Widely use ferro-titanium.
As steel product quality is improved and kind increase, also more and more higher is required to ferrotianium quality and kind.The U.S., West Europe,
The states such as Japan, Canada mainly apply high-grade ferrotianium, and China then mainly uses low-grade ferrotianium.At present, abundant titanium is utilized
Iron ore deposit, the domestic common ferrotianium and high ferrotianium that production w (Ti)=25%~75% is generally reduced directly using metal deoxidization,
But aluminium, oxygen, the nitrogen content in product are very high, it is difficult to control, too high oxygen level, it is impossible to meet need of the user to high-quality ferrotianium
Ask.Chinese patent application such as Publication No. CN101484201A is disclosed " is smelted preparing serial ferro-titanium with titanium material
Method ", Publication No. CN102509957A Chinese patent application are disclosed " to be produced using titanium slag and ilmenite concentrate as titanium, iron material
The method of high ferrotitanium alloy " and Publication No. CN104152694A Chinese patent application disclose " magnalium calcium method production height
Ferro-titanium ", the oxygen content of its ferro-titanium is more than 6%.Remelting process, which prepares high ferrotianium, then can effectively control the oxygen of alloy to contain
Amount, thus it is external many using remelting process production w (Ti)=65~75%, w (Al)≤4% high-quality ferrotianium, and China comes because of raw material
Source is limited, and the price that remelting process produces high ferrotianium is twice of reducing process production high-grade ferrotianium price, and smelting cost is high, and
And China's high-quality high-grade ferrotianium is main from external import at present, cost is high, so as to seriously constrain the ferrotianium kind
Development.
Applicant disclosed on June 10th, 2009 " smelts the method for preparing serial ferro-titanium with titanium material（Publication number
CN101484201A）" patent application, this method uses thermit reduction, solves with the high Panxi Diqu vanadium titanium of phosphorous, sulphur
Magnetic iron ore smelting prepares the technical problem of ferro-titanium.To make up the deficiency that metal deoxidization prepares ferro-titanium method, and pin
The characteristics of high to Panxi Diqu vanadium titano-magnetite raw material impurity content, applicant explores remelting process production FeTi30~FeTi90
The feasibility of various trade mark ferrotianiums, has carried out intermediate frequency furnace and has smelted ferrotianium experiment, tested by many stoves, obtains good metallurgical effect
Really, feasible in remelting process production ferrotianium technology, serial ferrotianium product all meets Standard, and quality is superior, and the work
Industry production method is at home and abroad not reported.
The content of the invention
The present invention produces high-quality ferrotianium for remelting process, and raw material sources are limited, and smelting cost is very high, and existing raw material contains
The above mentioned problem that the high vanadium titano-magnetite remelting process production ferrotianium of impurity is difficult to realize again is electric as raw material to climb western titanium there is provided one kind
The method that stove remelting process produces ferro-titanium.This method raw material sources determine that production technology is safe and reliable, and electric energy consumption is low, ferrotianium
Grade is high, and impurity content is low, forms the ferro-titanium product of steady quality, production cost reduction, and realize ferro-titanium weight
The industrialization of molten method production.
Foregoing invention purpose is realized, the technical solution adopted by the present invention is as follows：
To climb western titanium material electric furnace melting down method production ferro-titanium, it is characterised in that comprise the following steps：
The raw material being made up of Panxi Diqu rich-titanium material, iron and steel stock using 100Kg is weight basis, by weight ratio into raw material
Add after auxiliary material, smelted using electric furnace melting down method, obtain the high-quality ferro-titanium product that content of impurities is less than 5%；
The percentage by weight of raw material composition is：Panxi Diqu rich-titanium material 30~90%, iron and steel stock 10~70%；
The addition of the auxiliary material is：0.25~1.0Kg of aluminum reducing agent, the Kg of assistant reducing agent 0.3~1.0, calcium
1.0~1.5Kg of matter metallurgic auxiliary materials；
Described Panxi Diqu rich-titanium material is the rich-titanium material of Ti content >=95%；
Described iron and steel stock is the steel scrap of TFe content >=99%；
Described aluminum reducing agent is the metallic aluminium of Al >=95%；
Described assistant reducing agent is the Antaciron of Si content >=70%；
Described calcareous metallurgic auxiliary materials are the quick lime of CaO content >=85%.
The described concrete technology step to climb western titanium material electric furnace melting down method production ferro-titanium is as follows：
Iron and steel stock is added in intermediate frequency furnace, in after fusing at a temperature of more than 1560 DEG C, aluminum reducing agent, calcium is sequentially added
Matter metallurgic auxiliary materials and assistant reducing agent, after skimming, then with inert material banking mouthful, are then slowly added to gold by Panxi Diqu rich-titanium material
Belong in liquid, it is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into cooling tank, titanium is obtained after 24~36h of cooling
Ferroalloy productor.
Described inert material is the argon gas of Ar content >=98%.
The tank wall temperature of the cooling tank is not less than 200 DEG C.
The percentage of above-mentioned content is mass percent.
The feasibility foundation to technical solution of the present invention is described as follows below：
Remelting process production ferrotianium is (Ti)(s)=[Ti](l)Simple fusion process.Fusion temperature height and heat of fusion size
Determine the technical feasibility and economic serviceability of the technique.
According to ferrotitanium (Fig. 1) and ferrotitanium aluminium (Fig. 2) phasor, the intersolubility of iron and titanium is excellent, will not be produced in any region
Stratified liquid.FeTi30~FeTi90 ferrotianium is corresponded to, liquidus temperature is 1085~1530 DEG C；FeTi30Al10~
FeTi90Al10 ferrotianium, liquidus temperature is 1200~1500 DEG C, therefore, be can be completely achieved in the temperature province.Meanwhile, titanium
Heat of fusion only has 376J/g in iron, thus when melting and does not need too many energy, and power consumption would not be too high.It can be seen that, remelting
Method production ferrotianium can technically be realized, be economically also suitable for.And by 400~500 feather weight it is demonstrated experimentally that being contained
Titanium is less than 5% high-quality ferrotianium series of products up to 30~90%, content of impurities.
The advantageous effects of the present invention are：
1st, using Panxi Diqu rich-titanium material as raw material, raw material sources are stable, that is, avoid impure high v-ti magnetite
Waste, production cost is reduced again.Meanwhile, it is previous disclosed " with the serial ferro-titanium of titanium material smelting preparation with applicant
Method（Aluminothermic process）" patent application compare, ferro-titanium product obtained by this method, only aluminium, oxygen, the impurity content of nitrogen are
More than 6%, and the content of impurities for using remelting process of the present invention to produce in ferro-titanium, alloy can fall below 5%, not only
Impurity content is substantially reduced, and easily controllable in technique, can obtain the higher FeTi30 for meeting national standard of grade,
FeTi40, FeTi50, FeTi60, FeTi70, FeTi80 and the country there is no the FeTi90 new products of standard at present.
2nd, because smelting process has substantial amounts of Al2O3Produce, and Al2O3CaOAl can be combined to form with CaO2O3, therefore,
By adding quick lime, the acid-base balance degree of slag is both can adjust, while the Sulfur capacity and phosphorus that can increase clinker again hold, is carried so as to play
High-sulfur phosphorus removes ability, suppresses the effect that back reaction occurs, effectively reduces S, P level.CaO additions are higher than this ratio, shadow
Slag melting is rung, is unfavorable for P and S mass transfer, part CaO raw materials can also bring a small amount of P and S into.
3rd, used aluminum amount is lower with respect to aluminothermic process, so as to reduce residual quantity of the aluminium in ferro-titanium.
4th, using the rich titanium material of Panxi Diqu, iron and steel stock, aluminum reducing agent, assistant reducing agent, calcareous metallurgic auxiliary materials, inertia
Thing is as raw material and carries out reasonably combined, has reached Titanium and the formation of ferroalloy phase, and react generation ferro-titanium.The life
Production. art is safe and reliable, and electric energy consumption is low, forms the high-quality ferro-titanium product of steady quality, economically suitably, is suitable for reality
Commercial Application.Meet the domestic demand to high-quality ferrotianium.
Brief description of the drawings
Fig. 1 is Fe-Ti phasors of the present invention.
Fig. 2 is Fe-Ti-Al phasors of the present invention.
Embodiment
Below by the mode of embodiment, the invention will be further described, but the technical scheme that the present invention is protected is not limited
In lower example embodiment.
The percentage by weight of raw material of the present invention composition is：Panxi Diqu rich-titanium material 30~90%, iron and steel stock 10~70%；
The addition of auxiliary material based on 400Kg raw materials is：1.0~4.0Kg of aluminum reducing agent, assistant reducing agent 1.2
~4.0Kg, calcareous 4.0~6.0Kg of metallurgic auxiliary materials；
Raw material of the present invention, auxiliary material, the chemical composition of inert material（wt%）It see the table below shown：
| Raw material and auxiliary material | Ti | TFe | Al | CaO | Si+Ca | Ar |
| Panxi Diqu rich-titanium material | ≥95 | |||||
| Iron and steel stock（Steel scrap） | ≥99 | |||||
| Aluminum reducing agent（Metallic aluminium） | ≥99 | |||||
| Calcareous metallurgic auxiliary materials（Quick lime） | ≥85 | |||||
| Assistant reducing agent（Calcium-silicon） | ≥50 | |||||
| Inert material（Argon） | ≥98 |
To climb western titanium material electric furnace melting down method production high-quality ferro-titanium, comprise the following steps：
Iron and steel stock is added in intermediate frequency furnace, after being melted under 1560 DEG C of temperatures above, aluminum reducing agent is sequentially added, calcareous
Metallurgic auxiliary materials and assistant reducing agent, after skimming, then with inert material banking mouthful, are then slowly added to metal by Panxi Diqu rich-titanium material
It is stirring while adding in liquid, after metal is completely melt, ferrotianium molten metal is poured into cooling tank（Tank wall temperature is not less than 200 DEG C）It is interior,
Cool down and the high-quality ferro-titanium product that content of impurities is less than 5% is obtained after 24~36h.
Embodiment 1
FeTi30 is produced by 400 feather weight raw materials, raw material and auxiliary material include：
Panxi Diqu rich-titanium material 120Kg, steel scrap 280kg, metallic aluminium 1Kg, quick lime 4Kg, assistant reducing agent 1.2Kg；
Concrete technology step is as follows：
Iron and steel stock is added in intermediate frequency furnace, in after fusing at a temperature of more than 1560 DEG C, aluminum reducing agent, calcium is sequentially added
Matter metallurgic auxiliary materials and assistant reducing agent, after skimming, then with argon banking mouthful, are then slowly added to molten metal by Panxi Diqu rich-titanium material
In, it is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into tank wall temperature and is not less than in 200 DEG C of cooling tank, it is cold
But ferro-titanium product is obtained after 24~36h.
After testing, the chemical composition and content of the FeTi30 products（wt%）It is as follows：
Ti：28.26 Si：<1.0 Al：<0.30 P： 0.025
S：0.032 C：0.024 Cu：<0.10 Mn：<0.50
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 2
FeTi40 is produced by 400 feather weight raw materials, raw material and auxiliary material include：
Panxi Diqu rich-titanium material 160Kg, steel scrap 240kg, metallic aluminium 1.5Kg, quick lime 4Kg, assistant reducing agent 2Kg；
Concrete technology step is as follows：
Iron and steel stock is added in intermediate frequency furnace, after being melted under 1560 DEG C of temperatures above, aluminum reducing agent is sequentially added, calcareous
Metallurgic auxiliary materials and assistant reducing agent, after skimming, then with argon banking mouthful, are then slowly added to molten metal by Panxi Diqu rich-titanium material
In, it is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into tank wall temperature and is not less than in 200 DEG C of cooling tank, it is cold
But ferro-titanium product is obtained after 24~36h.
After testing, the chemical composition and content of the FeTi40 products（wt%）It is as follows：
Ti：41.00 Si：<1.0 Al：<0.30 P： 0.013
S：0.027 C：0.043 Cu：<0.01 Mn：<0.24
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 3
FeTi50 is produced by 400 feather weight raw materials, raw material and auxiliary material include：
Panxi Diqu rich-titanium material 200Kg, steel scrap 200kg, metallic aluminium 2Kg, quick lime 4.5Kg, assistant reducing agent 3Kg；
Iron and steel stock is added in intermediate frequency furnace, after being melted under 1560 DEG C of temperatures above, aluminum reducing agent is sequentially added, calcareous
Metallurgic auxiliary materials and assistant reducing agent, after skimming, then with argon banking mouthful, are then slowly added to molten metal by Panxi Diqu rich-titanium material
In, it is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into tank wall temperature and is not less than in 200 DEG C of cooling tank, it is cold
But ferro-titanium product is obtained after 24~36h.
After testing, the chemical composition and content of the FeTi50 products（wt%）It is as follows：
Ti：50.52 Si：<1.0 Al：<0.30 P：0.020 N：0.062
S：0.020 C：0.022 Cu：<0.01 Mn：<0.50 O：1.30
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 4
FeTi60 is produced by 400 feather weight raw materials, raw material and auxiliary material include：
Panxi Diqu rich-titanium material 240Kg, steel scrap 160kg, metallic aluminium 3Kg, quick lime 5Kg, assistant reducing agent 3Kg；
Concrete technology step is as follows：
Iron and steel stock is added in intermediate frequency furnace, after being melted under 1560 DEG C of temperatures above, aluminum reducing agent is sequentially added, calcareous
Metallurgic auxiliary materials and assistant reducing agent, after skimming, then with argon banking mouthful, are then slowly added to molten metal by Panxi Diqu rich-titanium material
In, it is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into cooling tank（Tank wall temperature is not less than 200 DEG C）It is interior, it is cold
But ferro-titanium product is obtained after 24~36h.
The chemical composition and content of the FeTi60 products（wt%）It is as follows：
Ti：56.91 Si：<1.0 Al：<0.30 P：0.019 N：0.079
S：0.017 C：0.020 Cu：<0.013 Mn：0.374 O：1.17
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 5
FeTi70 is produced by 400 feather weight raw materials, raw material and auxiliary material include：
Panxi Diqu rich-titanium material 280Kg, steel scrap 120kg, metallic aluminium 3Kg, quick lime 5Kg, assistant reducing agent 4Kg；
Concrete technology step is as follows：
Iron and steel stock is added in intermediate frequency furnace, after being melted under 1560 DEG C of temperatures above, aluminum reducing agent is sequentially added, calcareous
Metallurgic auxiliary materials and assistant reducing agent, after skimming, then with argon banking mouthful, are then slowly added to molten metal by Panxi Diqu rich-titanium material
In, it is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into cooling tank（Tank wall temperature is not less than 200 DEG C）It is interior, it is cold
But ferro-titanium product is obtained after 24~36h.
The chemical composition and content of the FeTi70 products（wt%）It is as follows：
Ti：71.67 Si：<1.0 Al：<0.30 P：0.010 N：0.12
S：0.010 C：0.036 Cu：<0.10 Mn：0.161 O：0.76
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 6
FeTi80 is produced by 400 feather weight raw materials, raw material and auxiliary material include：
Panxi Diqu rich-titanium material 320Kg, steel scrap 80kg, metallic aluminium 4Kg, quick lime 6Kg, assistant reducing agent 2Kg；
Concrete technology step is as follows：
Iron and steel stock is added in intermediate frequency furnace, after being melted under 1560 DEG C of temperatures above, aluminum reducing agent is sequentially added, calcareous
Panxi Diqu rich-titanium material, after skimming, then with argon fire door, is then slowly added in molten metal by metallurgic auxiliary materials and assistant reducing agent,
It is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into cooling tank（Tank wall temperature is not less than 200 DEG C）It is interior, cooling
Ferro-titanium product is obtained after 24~36h.
The chemical composition and content of the FeTi80 products（wt%）It is as follows：
Ti：78.34 Si：<1.0 Al：<0.30 P： 0.011 N：0.32
S：0.006 C：0.023 Cu：<0.10 Mn：<0.50 O：0.80
V：<0.01
Content of impurities is less than 1.8%.
It can be seen that from the embodiment 3~6 of the high ferrotianium of above-mentioned production, the oxygen content of the ferro-titanium of remelting process production of the present invention
Up to 1.3%, minimum is only 0.76%, and Ti content reaches as high as 78.34%, while content of impurities is less than 1.8%, even if expanding
The production rank of big raw material（Increase output）, content of impurities is not more than 5%.Thus illustrate to climb western titanium material electric furnace
Remelting process produces ferro-titanium, consistent reliable, meets demand of the user to high-quality high-grade ferrotianium.
Claims (10)
1. to climb the method that western titanium material electric furnace melting down method produces ferro-titanium, it is characterised in that comprise the following steps：
The raw material being made up of Panxi Diqu rich-titanium material, iron and steel stock using 100Kg is added as weight basis by weight ratio into raw material
After auxiliary material, smelted using electric furnace melting down method, obtain the high-quality ferro-titanium product that content of impurities is less than 5%；
The percentage by weight of raw material composition is：Panxi Diqu rich-titanium material 30~90%, iron and steel stock 10~70%；
The addition of the auxiliary material is：0.25~1.0Kg of aluminum reducing agent, the Kg of assistant reducing agent 0.3~1.0, calcareous smelting
Golden 1.0~1.5Kg of auxiliary material；
Described Panxi Diqu rich-titanium material is the rich-titanium material of Ti content >=95%；
Described iron and steel stock is the steel scrap of TFe content >=99%；
Described aluminum reducing agent is the metallic aluminium of Al >=95%；
Described assistant reducing agent is the Antaciron of Si content >=70%；
Described calcareous metallurgic auxiliary materials are the quick lime of CaO content >=85%.
2. the method according to claim 1 to climb western titanium material electric furnace melting down method production ferro-titanium, it is characterised in that：
Concrete technology step is as follows：
Iron and steel stock is added in intermediate frequency furnace, in after fusing at a temperature of more than 1560 DEG C, aluminum reducing agent, calcareous smelting is sequentially added
Golden auxiliary material and assistant reducing agent, after skimming, then with inert material banking mouthful, are then slowly added to molten metal by Panxi Diqu rich-titanium material
In, it is stirring while adding, after metal is completely melt, ferrotianium molten metal is poured into cooling tank, obtaining ferrotianium after 24~36h of cooling closes
Golden product.
3. the method according to claim 2 to climb western titanium material electric furnace melting down method production ferro-titanium, it is characterised in that：
Described inert material is the argon gas of Ar content >=98%.
4. the method according to claim 2 to climb western titanium material electric furnace melting down method production ferro-titanium, it is characterised in that：
The tank wall temperature of the cooling tank is not less than 200 DEG C.
5. according to claim 1 or 2 to climb the method that western titanium material electric furnace melting down method produces ferro-titanium, its feature exists
In：FeTi30 is produced by 400 feather weight raw materials, raw material and auxiliary material include：Panxi Diqu rich-titanium material 120Kg, steel scrap
280kg, metallic aluminium 1Kg, quick lime 4Kg, assistant reducing agent 1.2Kg.
6. according to claim 1 or 2 to climb the method that western titanium material electric furnace melting down method produces ferro-titanium, its feature exists
In：FeTi40 is produced by 400 feather weight raw materials, raw material and auxiliary material include：Panxi Diqu rich-titanium material 160Kg, steel scrap
240kg, metallic aluminium 1.5Kg, quick lime 4Kg, assistant reducing agent 2Kg.
7. according to claim 1 or 2 to climb the method that western titanium material electric furnace melting down method produces ferro-titanium, its feature exists
In：FeTi50 is produced by 400 feather weight raw materials, raw material and auxiliary material include：Panxi Diqu rich-titanium material 200Kg, steel scrap
200kg, metallic aluminium 2Kg, quick lime 4.5Kg, assistant reducing agent 3Kg.
8. according to claim 1 or 2 to climb the method that western titanium material electric furnace melting down method produces ferro-titanium, its feature exists
In：FeTi60 is produced by 400 feather weight raw materials, raw material and auxiliary material include：Panxi Diqu rich-titanium material 240Kg, steel scrap
160kg, metallic aluminium 3Kg, quick lime 5Kg, assistant reducing agent 3Kg.
9. according to claim 1 or 2 to climb the method that western titanium material electric furnace melting down method produces ferro-titanium, its feature exists
In：FeTi70 is produced by 400 feather weight raw materials, raw material and auxiliary material include：Panxi Diqu rich-titanium material 280Kg, steel scrap
120kg, metallic aluminium 3Kg, quick lime 5Kg, assistant reducing agent 4Kg.
10. the method according to claim 1 or 2 to climb western titanium material electric furnace melting down method production ferro-titanium, its feature
It is：FeTi80 is produced by 400 feather weight raw materials, raw material and auxiliary material include：Panxi Diqu rich-titanium material 320Kg, steel scrap
80kg, metallic aluminium 4Kg, quick lime 6Kg, assistant reducing agent 2Kg.
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO80172A2 (en) * | 1980-08-14 | 1982-10-26 | Institutul De Cercetari Metalurgice,Ro | PROCEDURE FOR FEROTIAN PRODUCTION |
| SU1027258A1 (en) * | 1982-03-15 | 1983-07-07 | Институт Металлургии Им.А.А.Байкова | Charge for producing ferrotitanium |
| CN1060820C (en) * | 1997-09-26 | 2001-01-17 | 江苏江南铁合金厂 | Low-silicon Ti-iron and its preparing method |
| CN100376707C (en) * | 2003-04-01 | 2008-03-26 | 江苏江南铁合金有限公司 | Ferrotitanium with low silicon and its preparation method |
| CN101225482A (en) * | 2007-01-19 | 2008-07-23 | 苏永山 | Ferrotitanium alloy electric induction furnace smelting method |
| CN101457270B (en) * | 2008-12-26 | 2010-12-01 | 东北大学 | Method and device for preparing high quality high ferrotitanium alloy based on aluminothermy reduction |
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2016
- 2016-03-30 CN CN201610189939.6A patent/CN105603293B/en active Active
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