CN107254619A - A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium - Google Patents
A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium Download PDFInfo
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- CN107254619A CN107254619A CN201710257709.3A CN201710257709A CN107254619A CN 107254619 A CN107254619 A CN 107254619A CN 201710257709 A CN201710257709 A CN 201710257709A CN 107254619 A CN107254619 A CN 107254619A
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- sea sand
- ore deposit
- lateritic nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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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
- C22B9/18—Electroslag remelting
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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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
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Abstract
The invention discloses a kind of method that sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium, its chemical composition is by weight percentage：S≤0.10；Cl≤1.00；P≤0.08；V20.00~22.00；Ni18.00~20.00；Ti15.00~17.00；Cr22.00~24.00；Si≤0.50；S≤0.010；Surplus is Fe and inevitable impurity.The alloy converter is by the way that sea sand ore deposit and the abundant melting of lateritic nickel ore are combined, with high intensity and corrosion resistance, in alloy converter containing sea sand ore deposit after two-stage magnetic separation, Cl ions are fully covered in converter surface, the alloy converter is assigned to metal very high corrosivity, the efficiency of metal is improved, Ti elements occupy very big ratio in the alloy converter, greatly improve the stability merged with Cl ions, it is to avoid the alloy converter is by Cl rust corrosions.
Description
Technical field
Contained the present invention relates to the smelting process of alloy converter, more particularly to a kind of sea sand ore deposit and lateritic nickel ore grandidierite
The method of vanadium titanium nichrome.
Background technology
Sea sand ore deposit original name iron ore, is the product that underflow that volcanic eruption goes out is formed after seawater scouring.Sea sand is mining way
It is very wide, the titanium for example extracted from rutile and ilmenite, with proportion is small, intensity is big, corrosion-resistant, high temperature resistance the features such as,
Extensive use on guided missile, rocket and aircraft industry.Zircon has high temperature resistant, corrosion-resistant and thermal neutron is difficult the characteristics of penetrate, in casting
Make in terms of industry, nuclear reaction, nuclear submarine and have many uses.Contained rare element in monazite, as niobium can be used for aircraft, rocket
Shell, tantalum can be with reactor and miniature electrodeposit.Therefore many countries all attach great importance to the exploitation of Seashore Placer Deposits.And lateritic nickel ore
For the surface weathering shell mineral deposit of nickel sulfide ore Weathering Zones of Igneous Rock-leaching-deposition formation, laterite-type nickel ore can produce oxidation
The intermediate products such as nickel, sulphur nickel, iron nickel, wherein sulphur nickel, nickel oxide are available for nickel refining factory to use, to solve nickel sulfide insufficient raw material
Problem.More it is easy for being used to manufacture stainless steel as iron nickel, reduces production cost.
Converter is a kind of forging equipment being even more important in metal smelt, refers to that the cylindric oxygen furnace steel that can be fascinated holds
Device.Body of heater cylindrical shape, frame can be rotated on a horizontal shaft bracket, for metal smelting inner lining refractory, by changing during blowing
Reaction heat heating is learned, external heat source is not required to.Existing converter has intensity and hardness is low, and be easily corroded life after long-time use
Rust, the low shortcoming of metal smelting efficiency.
Publication No. CN101605877A Chinese patent disclose which employs to alloy converter forge in using quenching
Material, though hardness and intensity are substantially improved, rustproof property, metal smelting efficiency is not ideal enough.
In summary, the two phase stainless steel that a kind of strength character is outstanding, tensile property is good is urgently sought in this area.
The content of the invention
An object of the present invention is developed using the alloy converter with high intensity and corrosion resistance, makes smelting
Metal it is more efficient；It is another object of the present invention to solve it to have the preparation technology of more preferable performance；The present invention also has
One purpose is the stability merged with Cl ions, it is to avoid the alloy converter is used by Cl rust corrosions in the alloy converter
When hardness it is higher, not easy to break, the experiment especially in final alloy converter.
The present invention technical solution be：A kind of sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium
Method,
The smelting process, including step：
Sea sand ore deposit is in magnetic separation stove needed for taking and carries out two-stage magnetic separation, is forged after magnetic separation by ball milling, makes its weight than symbol
Design requirement is closed, controls the content of impurity element as far as possible low, the sea sand ore deposit after selecting is placed in standby in pre-selection storehouse.
Lateritic nickel ore is placed in steelmaking furnace and melts forging refining, lateritic nickel ore is purified, containing for impurity element is controlled
Amount is as far as possible low, and molten to cause ESR ingot, step and technological parameter parameter are as follows：
Slag system：NiS:Ni2FeS4i:CaO:NaCl=60:25:10:5 (%)；Quantity of slag 38Kg；
Electric power system：Voltage 56V ± 2V；7500 ± 300A of electric current.
Compared with Publication No. CN101605877A Chinese patent, alloy converter of the present invention is without using quenching material, institute
Raw material is easy to get.Meanwhile, it was found by the inventors of the present invention that improve V, Ti, content after, pass through adding jointly for Ni and Cr
Plus, not only cause the intensity and hardness of alloy converter to be substantially improved, it is often more important that also to greatly improve Corrosion Protection and smelting
The efficiency of gold metallurgy category.
It is preferred that, in step 1, sea sand ore deposit is in magnetic separation stove needed for taking and carries out two-stage magnetic separation, is forged after magnetic separation by ball milling
Make, its weight ratio is met design requirement, control the content of impurity element as far as possible low, the sea sand ore deposit after selecting is placed in pre-selection storehouse
It is interior standby.
It is preferred that, in step 2, lateritic nickel ore is placed in steelmaking furnace and melts forging refining, lateritic nickel ore is purified, is controlled
The content of impurity element processed is as far as possible low, and molten to cause ESR ingot, step and technological parameter parameter are as follows：
Slag system：NiS:Ni2FeS4i:CaO:NaCl=60:25:10:5 (%)；Quantity of slag 38Kg；
Electric power system：Voltage 56V ± 2V；7500 ± 300A of electric current.
It is preferred that, in step 3, the ESR ingot that sea sand ore deposit finished product and lateritic nickel ore are made, which is placed in steelmaking furnace, to be heated to
2000 ± 2500 DEG C, and sea sand ore deposit finished product is fully mixed with ESR ingot steelmaking furnace rotation simultaneously, 5~6 hours are incubated,
Start forging.
It is preferred that, the molten slurry process step and technological parameter of sea sand ore deposit finished product and ESR ingot are as follows in step 4：
Solution treatment：1800 ± 200 DEG C, alloy converter module is poured into insulation >=0.7h.
Described spread alloy converter mould out is air-cooled to room temperature.
Its chemical composition, by mass percentage for：
Z≤0.10；Cl≤1.00；P≤0.08；V20.00~22.00；Ni18.00~20.00；Ti15.00~17.00；
Cr22.00~24.00；Si≤0.50；S≤0.010；Surplus is Fe and inevitable impurity.
The impurity, by mass percentage, including：Al≤1.00；C≤0.030；Na≤0.010.
The beneficial effects of the invention are as follows：
The present invention after to sea sand ore deposit two-stage magnetic separation carry out ball milling select again, after be placed in steelmaking furnace, while into stove throw
Enter lateritic nickel ore, be subject to 2500 DEG C and rotate fully to merge it, fusion will obtain titanium containing vanadium after mixing after liquation reverse mould, water cooling
Nichrome converter, the alloy converter is by the way that sea sand ore deposit and the abundant melting of lateritic nickel ore are combined, with high intensity and anti-
In corrosivity, alloy converter containing sea sand ore deposit after two-stage magnetic separation, Cl ions are fully covered in converter surface, assign the alloy
Converter improves the efficiency of metal, Ti elements occupy very big ratio in the alloy converter to metal very high corrosivity,
Greatly improve the stability merged with Cl ions, it is to avoid the alloy converter is used by Cl rust corrosions in the alloy converter
When hardness it is higher, it is not easy to break, with good economic benefit and social benefit, be adapted to promote the use of.
Embodiment
Embodiment 1
Prepare raw material by following alloying components (mass percent)：
S≤0.10；Cl≤1.00；P≤0.08；V20.00~22.00；Ni18.00~20.00；Ti15.00~17.00；
Cr22.00~24.00；Si≤0.50；S≤0.010；Surplus is Fe and inevitable impurity.
The impurity, by mass percentage, including：Al≤1.00；C≤0.030；Na≤0.010.
The technique includes step：
Sea sand ore deposit is in magnetic separation stove needed for taking and carries out two-stage magnetic separation, is forged after magnetic separation by ball milling, makes its weight than symbol
Design requirement is closed, controls the content of impurity element as far as possible low, the sea sand ore deposit after selecting is placed in standby in pre-selection storehouse；
Lateritic nickel ore is placed in steelmaking furnace and melts forging refining, lateritic nickel ore is purified, containing for impurity element is controlled
Amount is as far as possible low, and molten to cause ESR ingot, step and technological parameter parameter are as follows：Slag system：NiS:Ni2FeS4i:CaO:NaCl=60:
25:10:5 (%)；Quantity of slag 38Kg electric power systems：Voltage 56V ± 2V；7500 ± 300A of electric current.
The ESR ingot that sea sand ore deposit finished product and lateritic nickel ore are made, which is placed in steelmaking furnace, is heated to 2000 ± 2500 DEG C, and
Sea sand ore deposit finished product is fully mixed with ESR ingot steelmaking furnace rotation simultaneously, be incubated 5~6 hours, start forging.
The molten slurry process step and technological parameter of sea sand ore deposit finished product and ESR ingot are as follows in step 4：
Solution treatment：1800 ± 200 DEG C, alloy converter module is poured into insulation >=0.7h.
Described spread alloy converter mould out is air-cooled to room temperature.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any mark in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of method that sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium, it is characterised in that：Including following
Step：
Sea sand ore deposit is in magnetic separation stove needed for taking and carries out two-stage magnetic separation, is forged after magnetic separation by ball milling, meets its weight ratio and set
Meter is required, controls the content of impurity element as far as possible low, and the sea sand ore deposit after selecting is placed in standby in pre-selection storehouse；
Lateritic nickel ore is placed in steelmaking furnace and melts forging refining, lateritic nickel ore is purified, the content of control impurity element is use up
Amount is low, and molten to cause ESR ingot, step and technological parameter parameter are as follows：Slag system percentage：NiS:Ni2FeS4i:CaO:NaCl=
60:25:10:5；Quantity of slag 38Kg；Electric power system：Voltage 56V ± 2V；7500 ± 300A of electric current.
2. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium,
Molten slurry is heated characterized in that, the sea sand ore deposit finished product preselected in storehouse and the ESR ingot that lateritic nickel ore is made are placed in steelmaking furnace
Mixing, step and technological parameter are as follows；The ESR ingot that sea sand ore deposit finished product and lateritic nickel ore are made is placed in steelmaking furnace and heated
To 2000 ± 2500 DEG C, and sea sand ore deposit finished product is fully mixed with ESR ingot steelmaking furnace rotation simultaneously, be incubated 5~6 small
When, start forging.
3. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium,
Characterized in that, the molten slurry process step and technological parameter of sea sand ore deposit finished product and ESR ingot are as follows：Solution treatment：1800±200
DEG C, alloy converter module is poured into insulation >=0.7h.
4. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium,
Room temperature is air-cooled to characterized in that, alloy converter mould is spread out.
5. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium,
Characterized in that, the magnetic separation of sea sand ore deposit two-stage is handled, and selects processing to finished product sea sand ore deposit progress ball milling, make sea sand ore deposit more smart
Pure, the content of control impurity element is tried one's best minimum and sea sand ore deposit composition, quality is met design requirement, and finished product alloy turns
Stove.
6. a kind of method that sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium, it is characterised in that its chemical group
Into, by mass percentage for：
S≤0.10；
Cl≤1.00；
P≤0.08；
V20.00~22.00；
Ni18.00~20.00；
Ti15.00~17.00；
Cr22.00~24.00；
Si≤0.50；
S≤0.010；
Surplus is Fe and impurity.
7. the method that a kind of sea sand ore deposit according to claim 6 and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium,
Characterized in that, the impurity, by mass percentage, including：Al≤1.00；C≤0.030；Na≤0.010.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257709.3A CN107254619A (en) | 2017-04-19 | 2017-04-19 | A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710257709.3A CN107254619A (en) | 2017-04-19 | 2017-04-19 | A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite obtain the nichrome of titanium containing vanadium |
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| CN107254619A true CN107254619A (en) | 2017-10-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385527A (en) * | 2018-10-17 | 2019-02-26 | 福建通海镍业科技有限公司 | A kind of method of synthetical recovery nichrome |
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| CN101445845A (en) * | 2008-12-19 | 2009-06-03 | 陈法官 | Process for directly producing austenitic stainless steel by utilizing oxide nickel |
| CN103556068A (en) * | 2013-11-14 | 2014-02-05 | 德龙钢铁有限公司 | Method for producing weather-resisting steel by using low-grade nickel ores |
| CN105441668A (en) * | 2015-11-25 | 2016-03-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Sintering method for sea sand vanadium-titanium-iron concentrate |
| CN106521355A (en) * | 2016-11-25 | 2017-03-22 | 四川六合锻造股份有限公司 | Double-phase stainless steel as well as preparation method and application thereof |
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2017
- 2017-04-19 CN CN201710257709.3A patent/CN107254619A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445845A (en) * | 2008-12-19 | 2009-06-03 | 陈法官 | Process for directly producing austenitic stainless steel by utilizing oxide nickel |
| CN103556068A (en) * | 2013-11-14 | 2014-02-05 | 德龙钢铁有限公司 | Method for producing weather-resisting steel by using low-grade nickel ores |
| CN105441668A (en) * | 2015-11-25 | 2016-03-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Sintering method for sea sand vanadium-titanium-iron concentrate |
| CN106521355A (en) * | 2016-11-25 | 2017-03-22 | 四川六合锻造股份有限公司 | Double-phase stainless steel as well as preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385527A (en) * | 2018-10-17 | 2019-02-26 | 福建通海镍业科技有限公司 | A kind of method of synthetical recovery nichrome |
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