CN107245629A - A kind of sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit - Google Patents
A kind of sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit Download PDFInfo
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- CN107245629A CN107245629A CN201710257747.9A CN201710257747A CN107245629A CN 107245629 A CN107245629 A CN 107245629A CN 201710257747 A CN201710257747 A CN 201710257747A CN 107245629 A CN107245629 A CN 107245629A
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- ore deposit
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
-
- 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
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Matching somebody with somebody the invention discloses a kind of sea sand ore deposit and lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit, chemical composition is by weight percentage：V25.00~27.00；Ni21.00~23.00；Ti14.00~16.00；Cr22.00~25.00；Cl≤1.00；C≤0.80；P≤0.080；Surplus is Fe and inevitable impurity.The present invention after multi-stage magnetic separation by sea sand ore deposit by carrying out ball milling purification, and lateritic nickel ore is put into hyperpyrexia furnace alloy is made with ore deposit melting jointly with the sea sand ore deposit after purification, Cr elemental substances containing high concentration in the alloy, with high hardness and tensile strength, and the alloy is by sea sand ore deposit and lateritic nickel ore high melt and after fully stirring rotation mixing, the alloy has high corrosion resistance and intensity during substantial amounts of V element material, with good economic benefit and social benefit.
Description
Technical field
Match somebody with somebody enhancing after ore deposit with lateritic nickel ore the present invention relates to the preparation method of two phase stainless steel, more particularly to a kind of sea sand ore deposit
The preprocess method of alloy rigidity.
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.
Alloy is that a kind of quite varied material is used in living, and alloy is by two or more metal and gold
Category or the nonmetallic material with metallic character through synthesized by certain method.It is general by fusing into uniform liquid and solidification
.According to the number of component, bianry alloy, ternary alloy three-partalloy and multicomponent alloy can be divided into.
The A of Publication No. CN 103827331 Chinese patent, which discloses its nickel alloy, has preferable toughness.Although, institute
Alloy is not easy crackle occur, it is but hardness, tensile strength, 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 to develop alloy using hardness height, and horizontal, longitudinal tensile resistance is strong, is less prone to disconnected
Split；Alloy is solved during another object of the present invention higher corrosion resistance, makes the service life of alloy longer, and the present invention is also
There is a purpose to be that the alloy for providing higher performance uses technique, especially highlight on final alloy plate.
The present invention technical solution be：A kind of sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the pretreatment of alloy rigidity after ore deposit
Method,
The preprocess method includes step：
Sea sand ore deposit is in magnetic separation roller needed for taking and carries out three-level magnetic separation, and ball milling point is carried out by ceramic ball mill after magnetic separation
Choosing, makes its weight ratio, purity meet design requirement, after the sea sand ore deposit after purification is placed in smelting furnace preliminary melting, smelting temperature
2300~2500 DEG C；The content of each element is adjusted in fusion process, its weight ratio is met design requirement, impurity element is controlled
Content it is low, solution pours into consutrode；
Lateritic nickel ore is placed in hyperpyrexia furnace molten forging, lateritic nickel ore screening is selected, screens in backward hyperpyrexia furnace and adds
The sea sand ore deposit for entering purification carries out matching somebody with somebody the common melting of ore deposit, controls the content of impurity element low, with ore deposit and it is molten cause ESR ingot, step and
Technological parameter is as follows：
Slag system：V2O5:AlCl3:CaO:SiO2=30:35:10:25 (%)；Quantity of slag 38Kg；
Electric power system：Voltage 50V ± 10V；6000 ± 200A of electric current.
The A of Publication No. CN 103827331 Chinese patent is compared, and raw material of the present invention is easy to get, meanwhile, invention of the invention
People has found, after the content for improving V and Cr is not enough to the outstanding hardness of acquisition, not only alloy sheets tensile strength is significantly carried
Rise, it is often more important that also greatly improve the elongation of alloy sheets.
It is preferred that, sea sand ore deposit is in magnetic separation roller needed for being taken in step 1 and carries out three-level magnetic separation, by Ceramic Balls after magnetic separation
Grinding machine carry out ball milling sorting, its weight ratio, purity is met design requirement, after the sea sand ore deposit after purification is placed in smelting furnace tentatively
Melting, 2300~2500 DEG C of smelting temperature；The content of each element is adjusted in fusion process, its weight ratio is met design will
Ask, the content of control impurity element is low, and solution pours into consutrode.
It is preferred that, lateritic nickel ore is placed in hyperpyrexia furnace in step 2 and melts forging, lateritic nickel ore screening is selected, after screening
The sea sand ore deposit that purification is added into hyperpyrexia furnace carries out matching somebody with somebody the common melting of ore deposit, controls the content of impurity element low, with ore deposit and molten makes
Into ESR ingot, step and technological parameter are as follows：
Slag system：V2O5:AlCl3:CaO:SiO2=30:35:10:25 (%)；Quantity of slag 38Kg；
Electric power system：Voltage 50V ± 10V；6000 ± 200A of electric current.
It is preferred that, alloy sheets are made in ESR ingot heats forged in step 3, step and technological parameter are as follows；
Steel plate is heated to 1500 ± 20 DEG C and is incubated 5~6 hours, starts forging.
It is preferred that, sample heat treatment step and technological parameter are as follows in step 4：Solution treatment：1400 ± 38 DEG C, insulation >=
0.8h, water cooling.
Spread out after the alloy sheets forging and be cooled to room temperature.
Its chemical composition, by mass percentage for：V25.00~27.00；Ni21.00~23.00；Ti14.00~
16.00；Cr22.00~25.00；Cl≤1.00；C≤0.80；P≤0.080；Surplus is Fe and inevitable impurity.It is described
Impurity, by mass percentage, including：Ca≤0.060；Cu≤0.007；S≤0.050.
The beneficial effects of the invention are as follows：The present invention is incited somebody to action by the way that sea sand ore deposit is carried out into ball milling purification after multi-stage magnetic separation
Lateritic nickel ore is put into hyperpyrexia furnace and alloy is made with ore deposit melting jointly with the sea sand ore deposit after purification, contains high concentration in the alloy
Cr elemental substances, with high hardness and tensile strength, and the alloy is by sea sand ore deposit and lateritic nickel ore high melt
And fully stir after rotation mixing, the alloy has high corrosion resistance, hardness and intensity during substantial amounts of V element material, with good
Good economic benefit and social benefit, is adapted to promote the use of.
Embodiment
Embodiment 1：
Prepare raw material by following alloying components (mass percent)：
V25.00~27.00；Ni21.00~23.00；Ti14.00~16.00；Cr22.00~25.00；Cl≤1.00；C
≤0.80；P≤0.080；Surplus is Fe.
Sea sand ore deposit is in magnetic separation roller needed for taking and carries out three-level magnetic separation, and ball milling point is carried out by ceramic ball mill after magnetic separation
Choosing, makes its weight ratio, purity meet design requirement, after the sea sand ore deposit after purification is placed in smelting furnace preliminary melting, smelting temperature
2300~2500 DEG C；The content of each element is adjusted in fusion process, its weight ratio is met design requirement, impurity element is controlled
Content it is low, solution pours into consutrode.
Lateritic nickel ore is placed in hyperpyrexia furnace molten forging, lateritic nickel ore screening is selected, screens in backward hyperpyrexia furnace and adds
The sea sand ore deposit for entering purification carries out matching somebody with somebody the common melting of ore deposit, controls the content of impurity element low, with ore deposit and it is molten cause ESR ingot, step and
Technological parameter is as follows：
Slag system：V2O5:AlCl3:CaO:SiO2=30:35:10:25 (%)；Quantity of slag 38Kg2) electric power system：Voltage 50V
±10V；6000 ± 200A of electric current；
Alloy sheets are made in ESR ingot heats forged, step and technological parameter are as follows；Steel plate is heated to 1500 ± 20 DEG C
Insulation 5~6 hours, starts forging.
Sample heat treatment step and technological parameter are as follows：
Solution treatment：1400 ± 38 DEG C, insulation >=0.8h, water cooling.
Spread out after the alloy sheets forging and be 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 sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit, it is characterised in that the pre- place
Reason method includes step：
Sea sand ore deposit is in magnetic separation roller needed for taking and carries out three-level magnetic separation, and ball milling sorting is carried out by ceramic ball mill after magnetic separation,
Its weight ratio, purity is met design requirement, after the sea sand ore deposit after purification is placed in smelting furnace preliminary melting, smelting temperature 2300
~2500 DEG C；The content of each element is adjusted in fusion process, its weight ratio is met design requirement, containing for impurity element is controlled
Amount is low, and solution pours into consutrode；
Lateritic nickel ore is placed in hyperpyrexia furnace and melts forging, lateritic nickel ore screening is selected, interior add of backward hyperpyrexia furnace is screened and carries
Pure sea sand ore deposit carries out matching somebody with somebody the common melting of ore deposit, controls the content of impurity element low, with ore deposit and molten causes ESR ingot.
2. a kind of sea sand ore deposit according to claim 1 is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit,
Characterized in that, ESR ingot heats forged is made into alloy sheets, step and pretreatment parameter are as follows；Steel plate is heated to 1500 ±
20 DEG C are incubated 5~6 hours, start forging.
3. a kind of sea sand ore deposit according to claim 1 is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit,
Characterized in that, sample heat treatment step and technological parameter are as follows：Solution treatment：1400 ± 38 DEG C, insulation >=0.8h, water cooling.
4. a kind of sea sand ore deposit according to claim 1 is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit,
Room temperature is cooled to characterized in that, being spread out after alloy sheets forging.
5. a kind of sea sand ore deposit according to claim 1 is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit,
Characterized in that, described surface of steel plate processing, carries out humidifying polishing to final alloy plate surface, eliminates surface convex, recessed
Point defect simultaneously makes alloy board size, shape, surface quality meet design requirement, finished product alloy sheets.
6. a kind of sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit, it is characterised in that its chemical group
Into, by mass percentage for：
V25.00~27.00；
Ni21.00~23.00；
Ti14.00~16.00；
Cr22.00~25.00；
Cl≤1.00；
C≤0.80；
P≤0.080；
Surplus is Fe and impurity.
7. a kind of sea sand ore deposit according to claim 6 is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit,
Characterized in that, the impurity, by mass percentage, including：Ca≤0.060；Cu≤0.007；S≤0.050.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257747.9A CN107245629A (en) | 2017-04-19 | 2017-04-19 | A kind of sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257747.9A CN107245629A (en) | 2017-04-19 | 2017-04-19 | A kind of sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit |
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| Publication Number | Publication Date |
|---|---|
| CN107245629A true CN107245629A (en) | 2017-10-13 |
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| CN201710257747.9A Pending CN107245629A (en) | 2017-04-19 | 2017-04-19 | A kind of sea sand ore deposit is matched somebody with somebody with lateritic nickel ore strengthens the preprocess method of alloy rigidity after ore deposit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476008A (en) * | 2009-01-21 | 2009-07-08 | 郭宝贵 | Coke-free ironmaking process for titanium-containing magnet placer |
| CN101565768A (en) * | 2009-05-18 | 2009-10-28 | 昆明贵金属研究所 | Method for producing ferrous powder and co-production titanium slag by rapidly reducing titanium placer pellets by rotary hearth furnace |
| CN101613825A (en) * | 2003-10-18 | 2009-12-30 | 攀枝花金钛高科技有限责任公司 | The method of utilizing titanium, iron ore to produce titanium, steel work |
| CN103290205A (en) * | 2013-01-25 | 2013-09-11 | 北京科技大学 | A process of separating iron and titanium in seaside titanomagnetite via direct reduction roasting by using coal |
| CN104962826A (en) * | 2015-05-30 | 2015-10-07 | 广西盛隆冶金有限公司 | Method for producing corrosion resistance type section steel by using laterite-nickel ore |
-
2017
- 2017-04-19 CN CN201710257747.9A patent/CN107245629A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613825A (en) * | 2003-10-18 | 2009-12-30 | 攀枝花金钛高科技有限责任公司 | The method of utilizing titanium, iron ore to produce titanium, steel work |
| CN101476008A (en) * | 2009-01-21 | 2009-07-08 | 郭宝贵 | Coke-free ironmaking process for titanium-containing magnet placer |
| CN101565768A (en) * | 2009-05-18 | 2009-10-28 | 昆明贵金属研究所 | Method for producing ferrous powder and co-production titanium slag by rapidly reducing titanium placer pellets by rotary hearth furnace |
| CN103290205A (en) * | 2013-01-25 | 2013-09-11 | 北京科技大学 | A process of separating iron and titanium in seaside titanomagnetite via direct reduction roasting by using coal |
| CN104962826A (en) * | 2015-05-30 | 2015-10-07 | 广西盛隆冶金有限公司 | Method for producing corrosion resistance type section steel by using laterite-nickel ore |
Non-Patent Citations (1)
| Title |
|---|
| 中国科学院技术条件及进出口局: "《科学器材试用教材-金属材料-材料部分-第1分册》", 31 December 1982 * |
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