CN105603293A - Production method of high-quality ferrotitanium by electric furnace remelting method of Panxi titanium raw material - Google Patents
Production method of high-quality ferrotitanium by electric furnace remelting method of Panxi titanium raw material Download PDFInfo
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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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- C22C35/00—Master alloys for iron or steel
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- 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
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- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Abstract
The invention belongs to the field of ferrotitanium smelting and particularly relates to a production method of high-quality ferrotitanium by an electric furnace remelting method of a Panxi titanium raw material. The production method comprises the following steps: with 100Kg of raw materials including a Panxi-region titanium-rich material and a steel material as weight reference, adding auxiliary materials into the raw materials according to weight proportion; and smelting by an electric furnace remelting method to obtain a product of high-quality ferrotitanium in which the total impurity content is lower than 5%, wherein the raw materials include 30-90% of Panxi-region titanium-rich material and 10-70% of steel material, and the added auxiliary materials include 0.25-1.0Kg of aluminum reducing agent, 0.3-1.0Kg of auxiliary reducing agent and 1.0-1.5Kg of calcium metallurgy auxiliary material. In the invention, the source of raw materials is stable, the production technology is safe and reliable, the electric energy consumption is low, the ferrotitanium grade is high, the impurity content is low, a high-quality ferrotitanium product with stable quality is formed, and the production cost is reduced; and moreover, the industrialization of production by the ferrotitanium remelting method is realized, and the need of users for high-quality high-grade ferrotitanium is met.
Description
Technical field
The invention belongs to ferro-titanium field of smelting, be specifically related to climb western titanium material electric furnace melting down method production high-quality ferrotianiumAlloy.
Background technology
The density 4.5g/cm of titanium3, 1660 DEG C of fusion temperatures, have strong interaction with sulphur, oxygen, nitrogen. In order to obtain moreThe loose tiny TiN particle distributing, continuous casting is necessary condition. Process in steel and IF steel at stainless steel, boron, titanium is as stabilizing agent,Form precipitate with carbon and nitrogen. In hot-rolled steel, add titanium, can play the effect of precipitation strength and control oxide morphology. Continuous castingIn steel, add few titanium, can improve the surface quality of strand. The welding of sheet steel, microalloying forged steel and high-strength low alloy steelIn heat-affected zone, the stable titaniferous particle that disperse distributes, is conducive to crystal grain thinning, under heat treatment coordinates, and trace amount of titanium energySignificantly improve intensity and the toughness of low-alloy steel. Because titanium has prevention grain growth in steel, stop formation austenite to be tied againCrystalline substance, and produce the effects such as significant precipitation strength effect, therefore, low-alloy high-strength steel, tool steel, stainless steel and structural steel etc.Be widely used ferro-titanium.
Along with steel product quality improves and kind increase, require also more and more higher to ferrotianium quality and kind. The U.S., West Europe,The state such as Japanese, Canadian mainly applies high-grade ferrotianium, and China is mainly used low-grade ferrotianium. At present, utilize abundant titaniumIron ore deposit, domestic common employing metal deoxidization direct-reduction is produced common ferrotianium and the high ferrotianium of w (Ti)=25%～75%,But the aluminium in product, oxygen, nitrogen content are very high, be difficult to control, too high oxygen level, cannot meet the need of user to high-quality ferrotianiumAsk. The Chinese patent application that is CN101484201A as publication number discloses " smelts preparation serial ferro-titanium with titanium materialMethod ", the publication number Chinese patent application that is CN102509957A discloses and " produced taking titanium slag and ilmenite concentrate as titanium, iron materialThe method of high ferrotitanium alloy " and the publication number Chinese patent application that is CN104152694A discloses, and " magnalium calcium method is produced highFerro-titanium ", the oxygen content of its ferro-titanium is all more than 6%. Remelting process is prepared high ferrotianium and can effectively be controlled the oxygen of alloy and containAmount, the therefore much more external high-quality ferrotianiums that adopt remelting process to produce w (Ti)=65～75%, w (Al)≤4%, and China comes because of raw materialSource is limited, and the price that remelting process is produced high ferrotianium is the twice of reducing process production high-grade ferrotianium price, and smelting cost is high, andAnd at present China's high-quality high-grade ferrotianium is mainly from external import, and cost is high, thereby seriously restrict this ferrotianium kindDevelopment.
Applicant announced and " has smelted the method (publication number of the serial ferro-titanium of preparation with titanium material on June 10th, 2009CN101484201A) patent application ", the method adopts thermit reduction, has solved with the Panxi Diqu vanadium titanium phosphorous, sulphur is highMagnetic iron ore is smelted the technical problem of preparing ferro-titanium. Prepare the deficiency of ferro-titanium method for making up metal deoxidization, and pinTo the high feature of Panxi Diqu vanadium titano-magnetite raw material impurity content, applicant has explored remelting process and has produced FeTi30～FeTi90The feasibility of various trade mark ferrotianiums, has carried out intermediate frequency furnace and has smelted ferrotianium test, tests by many stoves, obtains good metallurgical effectReally, remelting process is produced in ferrotianium technology feasible, and serial ferrotianium product all meets GB requirement, and quality is superior, and this workIndustry production method is at home and abroad not reported.
Summary of the invention
The present invention is directed to remelting process production high-quality ferrotianium, raw material sources are limited, and smelting cost is very high, and existing raw material containsThe vanadium titano-magnetite remelting process that impurity is high is produced ferrotianium and is difficult to again the problems referred to above that realize, and provides a kind of to climb western titanium as raw material electricityThe method of stove remelting process production high-quality ferro-titanium. The method raw material sources are definite, and production technology is safe and reliable, and electric energy consumption is low,Ferrotianium is of high grade, and impurity content is low, forms stay-in-grade high-quality ferro-titanium product, and production cost reduces, and has realized titaniumThe industrialization that ferroalloy remelting process is produced.
Realize foregoing invention object, the technical solution used in the present invention is as follows:
To climb western titanium material electric furnace melting down method production high-quality ferro-titanium, it is characterized in that comprising the following steps:
The raw material being made up of the rich titanium material of Panxi Diqu, iron and steel stock taking 100Kg, as weight basis, adds by weight ratio in raw materialAfter auxiliary material, adopt electric furnace melting down method to smelt, obtain content of impurities lower than 5% high-quality ferro-titanium product;
The percentage by weight of described raw material composition is: the rich titanium material 30～90% of Panxi Diqu, iron and steel stock 10～70%;
The addition of described auxiliary material is: aluminium matter reducing agent 0.25～1.0Kg, assistant reducing agent 0.3～1.0Kg, calcareous smeltingGold auxiliary material 1.0～1.5Kg;
The rich titanium material that the rich titanium material of described Panxi Diqu is Ti content >=95%;
Described iron and steel stock is the steel scrap of TFe content >=99%;
The metallic aluminium that described aluminium matter reducing agent is Al >=95%;
Described assistant reducing agent is the Antaciron of Si content >=70%;
Described calcareous metallurgic auxiliary materials is the quick lime of CaO content >=85%.
Described as follows to climb the concrete technology step of western titanium material electric furnace melting down method production high-quality ferro-titanium:
Iron and steel stock is added in intermediate frequency furnace, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous smeltingGold auxiliary material and assistant reducing agent, after skimming, then with inert material banking mouth, then slowly add molten metal by rich Panxi Diqu titanium materialIn, limit edged stirs, and after metal melts completely, ferrotianium molten metal is poured in cooling tank, obtains ferrotianium and close after cooling 24～36hGold product.
Described inert material is the argon gas of Ar content >=98%.
The tank wall temperature of described cooling tank is not less than 200 DEG C.
The percentage of above-mentioned content is mass percent.
Below the feasibility foundation of technical solution of the present invention is described as follows:
It is (Ti) that remelting process is produced ferrotianium(s)＝[Ti](l)Simple and easy fusion process. Fusion temperature height and melting heat size determineTechnical feasibility and the economic serviceability of this technique.
According to ferrotitanium (Fig. 1) and ferrotitanium aluminium (Fig. 2) phasor, the intersolubility of iron and titanium is good, can not produce in any regionStratified liquid. Correspond to the ferrotianium of FeTi30～FeTi90, liquidus temperature is 1085～1530 DEG C; FeTi30Al10～The ferrotianium of FeTi90Al10, liquidus temperature is 1200～1500 DEG C, therefore, can be completely achieved in this temperature province. Meanwhile, titaniumIn iron, melting heat only has 376J/g, thereby fusing time do not need too many energy, and power consumption would not be too high. Visible, remeltingMethod is produced the technical energy of ferrotianium and is realized, also suitable economically. And obtain containing through experiment showed, of 400～500 feather weightTitanium reaches 30～90%, content of impurities is lower than 5% high-quality ferrotianium series of products.
Useful technique effect of the present invention is:
1, using the rich titanium material of Panxi Diqu as raw material, raw materials enjoy stable sources, has avoided the waste of impure high v-ti magnetite,Reduce again production cost. Meanwhile, " smelt the method for the serial ferro-titanium of preparation with titanium material with applicant is previously disclosed(aluminothermic process) " patent application compare, ferro-titanium product obtained by this method, only the impurity content of aluminium, oxygen, nitrogen is greater than6%, and adopt remelting process of the present invention to produce ferro-titanium, the content of impurities in alloy can be reduced to lower than 5%, not only impurityContent reduces greatly, and in technique, is easy to control, can obtain the FeTi30 that meets national standard, FeTi40 that grade is higher,FeTi50, FeTi60, FeTi70, FeTi80 and the domestic FeTi90 new product that there is no at present standard.
2, because smelting process has a large amount of Al2O3Produce, and Al2O3Can be combined with CaO and form CaOAl2O3, therefore,By adding quick lime, both acid-base balance degree of capable of regulating slag, Sulfur capacity and the phosphorus that can increase again slag simultaneously hold, and carry thereby playHigh-sulfur phosphorus removes ability, suppresses the effect that back reaction occurs, and effectively reduces S, P level. CaO addition is higher than this ratio, shadowRing slag melting, be unfavorable for the mass transfer of P and S, part CaO raw material also can be brought a small amount of P and S into.
3, the relative aluminothermic process of aluminium amount using is lower, thereby has reduced the residual quantity of aluminium in ferro-titanium.
4, adopt the rich titanium material of Panxi Diqu, iron and steel stock, aluminium matter reducing agent, assistant reducing agent, calcareous metallurgic auxiliary materials, inertiaThing is as raw material and carry out reasonably combinedly, has reached the formation of Titanium with ferroalloy phase, and reaction generates ferro-titanium. This is rawProduction. art is safe and reliable, and electric energy consumption is low, forms stay-in-grade high-quality ferro-titanium product, suitable economically, is suitable for realityCommercial Application. Meet the domestic demand to high-quality ferrotianium.
Brief description of the drawings
Fig. 1 is Fe-Ti phasor of the present invention.
Fig. 2 is Fe-Ti-Al phasor of the present invention.
Detailed description of the invention
Below by the mode of embodiment, the invention will be further described, but the technical scheme of the present invention's protection is not limitIn lower routine embodiment.
The percentage by weight of raw material composition of the present invention is: the rich titanium material 30～90% of Panxi Diqu, iron and steel stock 10～70%;
By the addition of the auxiliary material of 400Kg raw material be: aluminium matter reducing agent 1.0～4.0Kg, assistant reducing agent 1.2～4.0Kg, calcareous metallurgic auxiliary materials 4.0～6.0Kg;
Shown in the chemical composition (wt%) of raw material of the present invention, auxiliary material, inert material sees the following form:
| Raw material and auxiliary material | Ti | TFe | Al | CaO | Si+Ca | Ar |
| The rich titanium material of Panxi Diqu | ≥95 | |||||
| Iron and steel stock (steel scrap) | ≥99 | |||||
| Aluminium matter 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, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous metallurgyAuxiliary material and assistant reducing agent, after skimming, then with inert material banking mouth, then slowly add molten metal by rich Panxi Diqu titanium materialIn, limit edged stirs, and after metal melts completely, ferrotianium molten metal is poured in cooling tank (tank wall temperature is not less than 200 DEG C), coldBut after 24～36h, obtain content of impurities lower than 5% high-quality ferro-titanium product.
Embodiment 1
Produce FeTi30 by 400 feather weight raw materials, raw material and auxiliary material comprise:
The rich titanium material of Panxi Diqu 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, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous smeltingGold auxiliary material and assistant reducing agent, after skimming, then with argon banking mouth, then slowly add rich Panxi Diqu titanium material in molten metal,Limit edged stirs, and after metal melts completely, ferrotianium molten metal is poured in the cooling tank that tank wall temperature is not less than 200 DEG C, coolingAfter 24～36h, obtain ferro-titanium product.
After testing, the chemical composition of this FeTi30 product and content (wt%) are as follows:
Ti：28.26Si：<1.0Al：<0.30P：0.025
S：0.032C：0.024Cu：<0.10Mn：<0.50
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 2
Produce FeTi40 by 400 feather weight raw materials, raw material and auxiliary material comprise:
The rich titanium material of Panxi Diqu 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, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous metallurgyAuxiliary material and assistant reducing agent, after skimming, then with argon banking mouth, then slowly add rich Panxi Diqu titanium material in molten metal limitEdged stirs, and after metal melts completely, ferrotianium molten metal is poured in the cooling tank that tank wall temperature is not less than 200 DEG C into cooling 24After～36h, obtain ferro-titanium product.
After testing, the chemical composition of this FeTi40 product and content (wt%) are as follows:
Ti：41.00Si：<1.0Al：<0.30P：0.013
S：0.027 C：0.043Cu：<0.01 Mn：<0.24
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 3
Produce FeTi50 by 400 feather weight raw materials, raw material and auxiliary material comprise:
The rich titanium material of Panxi Diqu 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, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous metallurgyAuxiliary material and assistant reducing agent, after skimming, then with argon banking mouth, then slowly add rich Panxi Diqu titanium material in molten metal limitEdged stirs, and after metal melts completely, ferrotianium molten metal is poured in the cooling tank that tank wall temperature is not less than 200 DEG C into cooling 24After～36h, obtain ferro-titanium product.
After testing, the chemical composition of this FeTi50 product and content (wt%) are as follows:
Ti：50.52Si：<1.0Al：<0.30P：0.020N：0.062
S：0.020C：0.022Cu：<0.01Mn：<0.50O：1.30
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 4
Produce FeTi60 by 400 feather weight raw materials, raw material and auxiliary material comprise:
The rich titanium material of Panxi Diqu 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, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous metallurgyAuxiliary material and assistant reducing agent, after skimming, then with argon banking mouth, then slowly add rich Panxi Diqu titanium material in molten metal limitEdged stirs, and after metal melts completely, ferrotianium molten metal is poured in cooling tank (tank wall temperature is not less than 200 DEG C) into cooling 24After～36h, obtain ferro-titanium product.
(wt%) is as follows for the chemical composition of this FeTi60 product and content:
Ti：56.91Si：<1.0Al：<0.30P：0.019 N：0.079
S：0.017C：0.020Cu：<0.013Mn：0.374O：1.17
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 5
Produce FeTi70 by 400 feather weight raw materials, raw material and auxiliary material comprise:
The rich titanium material of Panxi Diqu 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, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous metallurgyAuxiliary material and assistant reducing agent, after skimming, then with argon banking mouth, then slowly add rich Panxi Diqu titanium material in molten metal limitEdged stirs, and after metal melts completely, ferrotianium molten metal is poured in cooling tank (tank wall temperature is not less than 200 DEG C) into cooling 24After～36h, obtain ferro-titanium product.
(wt%) is as follows for the chemical composition of this FeTi70 product and content:
Ti：71.67Si：<1.0Al：<0.30P：0.010 N：0.12
S：0.010C：0.036Cu：<0.10Mn：0.161 O：0.76
V：<0.01
Content of impurities is less than 1.8%.
Embodiment 6
Produce FeTi80 by 400 feather weight raw materials, raw material and auxiliary material comprise:
The rich titanium material of Panxi Diqu 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, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous metallurgyAuxiliary material and assistant reducing agent, after skimming, then with argon fire door, then slowly add rich Panxi Diqu titanium material in molten metal Bian JiaStir on limit, after metal melts completely, ferrotianium molten metal is poured in cooling tank (tank wall temperature is not less than 200 DEG C), cooling 24～After 36h, obtain ferro-titanium product.
(wt%) is as follows for the chemical composition of this FeTi80 product and content:
Ti：78.34 Si：<1.0Al：<0.30P：0.011 N：0.32
S：0.006C：0.023Cu：<0.10Mn：<0.50O：0.80
V：<0.01
Content of impurities is less than 1.8%.
Can find out the oxygen content of the ferro-titanium that remelting process of the present invention is produced from the embodiment 3～6 of the high ferrotianium of above-mentioned productionBe up to 1.3%, minimum is only 0.76%, and Ti content reaches as high as 78.34%, and content of impurities is lower than 1.8%, even if expand simultaneouslyThe production rank (increase output) of large raw material, content of impurities also can not exceed 5%. Illustrate thus to climb western titanium material electric furnaceRemelting process production high-quality ferro-titanium, consistent reliable, meet the demand of user to high-quality high-grade ferrotianium.
Claims (10)
1. to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, it is characterized in that comprising the following steps:
The raw material being made up of the rich titanium material of Panxi Diqu, iron and steel stock taking 100Kg, as weight basis, adds by weight ratio in raw materialAfter auxiliary material, adopt electric furnace melting down method to smelt, obtain content of impurities lower than 5% high-quality ferro-titanium product;
The percentage by weight of described raw material composition is: the rich titanium material 30～90% of Panxi Diqu, iron and steel stock 10～70%;
The addition of described auxiliary material is: aluminium matter reducing agent 0.25～1.0Kg, assistant reducing agent 0.3～1.0Kg, calcareous smeltingGold auxiliary material 1.0～1.5Kg;
The rich titanium material that the rich titanium material of described Panxi Diqu is Ti content >=95%;
Described iron and steel stock is the steel scrap of TFe content >=99%;
The metallic aluminium that described aluminium matter reducing agent is Al >=95%;
Described assistant reducing agent is the Antaciron of Si content >=70%;
Described calcareous metallurgic auxiliary materials is the quick lime of CaO content >=85%.
2. according to claim 1 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, it is characterized in that: toolBody technology step is as follows:
Iron and steel stock is added in intermediate frequency furnace, at more than 1560 DEG C temperature, after fusing, add successively aluminium matter reducing agent, calcareous smeltingGold auxiliary material and assistant reducing agent, after skimming, then with inert material banking mouth, then slowly add molten metal by rich Panxi Diqu titanium materialIn, limit edged stirs, and after metal melts completely, ferrotianium molten metal is poured in cooling tank, obtains ferrotianium and close after cooling 24～36hGold product.
3. according to claim 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, it is characterized in that: instituteThe inert material of stating is the argon gas of Ar content >=98%.
4. according to claim 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, it is characterized in that: instituteThe tank wall temperature of stating cooling tank is not less than 200 DEG C.
5. according to claim 1 and 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, its feature existsIn: produce FeTi30 by 400 feather weight raw materials, raw material and auxiliary material comprise: the rich titanium material of Panxi Diqu 120Kg, steel scrap280kg, metallic aluminium 1Kg, quick lime 4Kg, assistant reducing agent 1.2Kg.
6. according to claim 1 and 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, its feature existsIn: produce FeTi40 by 400 feather weight raw materials, raw material and auxiliary material comprise: the rich titanium material of Panxi Diqu 160Kg, steel scrap240kg, metallic aluminium 1.5Kg, quick lime 4Kg, assistant reducing agent 2Kg.
7. according to claim 1 and 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, its feature existsIn: produce FeTi50 by 400 feather weight raw materials, raw material and auxiliary material comprise: the rich titanium material of Panxi Diqu 200Kg, steel scrap200kg, metallic aluminium 2Kg, quick lime 4.5Kg, assistant reducing agent 3Kg.
8. according to claim 1 and 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, its feature existsIn: produce FeTi60 by 400 feather weight raw materials, raw material and auxiliary material comprise: the rich titanium material of Panxi Diqu 240Kg, steel scrap160kg, metallic aluminium 3Kg, quick lime 5Kg, assistant reducing agent 3Kg.
9. according to claim 1 and 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, its feature existsIn: produce FeTi70 by 400 feather weight raw materials, raw material and auxiliary material comprise: the rich titanium material of Panxi Diqu 280Kg, steel scrap120kg, metallic aluminium 3Kg, quick lime 5Kg, assistant reducing agent 4Kg.
10. according to claim 1 and 2 to climb western titanium material electric furnace melting down method production high-quality ferro-titanium, its feature existsIn: produce FeTi80 by 400 feather weight raw materials, raw material and auxiliary material comprise: the rich titanium material of Panxi Diqu 320Kg, steel scrap 80kg,Metallic aluminium 4Kg, quick lime 6Kg, assistant reducing agent 2Kg.
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| 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 |
| CN1183481A (en) * | 1997-09-26 | 1998-06-03 | 江苏江南铁合金厂 | Low-silicon Ti-iron and its preparing method |
| CN1446932A (en) * | 2003-04-01 | 2003-10-08 | 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 |
| CN101457270A (en) * | 2008-12-26 | 2009-06-17 | 东北大学 | Method and device for preparing high quality high ferrotitanium alloy based on aluminothermy reduction |
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