CN107245630A - A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel - Google Patents
A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel Download PDFInfo
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- CN107245630A CN107245630A CN201710258329.1A CN201710258329A CN107245630A CN 107245630 A CN107245630 A CN 107245630A CN 201710258329 A CN201710258329 A CN 201710258329A CN 107245630 A CN107245630 A CN 107245630A
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- steel
- sea sand
- ore deposit
- lateritic nickel
- grandidierite
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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
- 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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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel, its chemical composition is by weight percentage：V28.00~30.00；Ni15.00~18.00；Ti12.00~16.00；Cr20.00~22.00；Cl≤0.80；C≤0.06；P≤0.030；Surplus is Fe and inevitable impurity.Raw mineral materials of the present invention is easily readily available, and is reduced the process flow that construction is produced with steel, is reduced the cost of production, improves the efficiency of production；The construction(al)steel greatly improves the intensity of the steel, and reduces the weight of the steel, is easy to building transport to use.
Description
Technical field
Produce for building the present invention relates to the method for construction(al)steel, more particularly to a kind of sea sand ore deposit and lateritic nickel ore grandidierite
The method of steel.
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.
Steel are indispensable a kind of building materials in architecture construction, in building in use, the tensile strength of steel, hardness,
A variety of mechanical performance indexs such as weight directly decide the quality of building.Existing construction(al)steel has stretching resistance poor performance,
Hardness is low, and building transport is difficult in quality and is used, construction(al)steel production cost is high, the shortcoming of low production efficiency.
Publication No. CN101346486A Chinese patent, which discloses its Ti-N, has preferable toughness.Although, gained steel
The yield strength of plate preferably, but spends cost height, weight, hardness 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
The present invention technical solution be：A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel,
The technique includes step：
Sea sand ore deposit is forged by ball milling after magnetic separation in sea sand ore deposit is in magnetic separation stove and carries out two-stage magnetic separation, makes it needed for taking
Weight ratio meets design requirement, after finished product sea sand ore deposit is placed in smelting furnace preliminary melting, 2000~2200 DEG C of smelting temperature；Molten
The content of each element is adjusted during refining, its weight ratio is met design requirement, controls the content of impurity element as far as possible low, solution
Pour into consutrode.
Lateritic nickel ore is placed in high temperature furnace and melts forging refining, lateritic nickel ore is purified, backward high temperature furnace is purified
The interior sea sand ore deposit for adding incipient melting carries out common melting, controls the content of impurity element as far as possible low, molten to cause ESR ingot, step and work
Skill parameter is as follows：
Slag system：NiS:Al2O3:CaO:SiO2=40:25:10:25 (%)；Quantity of slag 38Kg；
Electric power system：Voltage 45V ± 8V；8000 ± 300A of electric current.
Compared with Publication No. CN101346486A Chinese patent, the raw material used in steel plate of the present invention is easy to get.Meanwhile, this
The inventor of invention has found, after the content for improving Cr is not enough to the outstanding tensile property of acquisition, not only causes two-phase stainless
Tensile strength of steel is substantially improved, it is often more important that the production cost and weight of steel plate is also greatly reduced.
It is preferred that, sea sand ore deposit in magnetic separation stove and carries out two-stage magnetic separation in sea sand ore deposit needed for being taken in step 1, after magnetic separation by
Ball milling is forged, and its weight ratio is met design requirement, after finished product sea sand ore deposit is placed in smelting furnace preliminary melting, smelting temperature 2000
~2200 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 as far as possible low, and solution pours into consutrode.
It is preferred that, lateritic nickel ore is placed in high temperature furnace in step 2 and melts forging refining, lateritic nickel ore is purified, carried
The sea sand ore deposit that incipient melting is added in pure backward high temperature furnace carries out common melting, controls the content of impurity element as far as possible low, molten to cause
ESR ingot, step and technological parameter are as follows：
Slag system：NiS:Al2O3:CaO:SiO2=40:25:10:25 (%)；Quantity of slag 38Kg；
Electric power system：Voltage 45V ± 8V；8000 ± 300A of electric current.
It is preferred that, steel plate is made in ESR ingot heats forged in step 3, step and technological parameter are as follows：
Steel plate is heated to 1300 ± 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：1300 ± 38 DEG C, insulation >=
0.5h, water cooling.
It is preferred that, spread out after the steel plate forging and be cooled to room temperature.
It is preferred that, its chemical composition, by mass percentage for：
V28.00~30.00；Ni15.00~18.00；Ti12.00~16.00；Cr20.00~22.00；Cl≤0.80；C
≤0.06；P≤0.030；Surplus is Fe and inevitable impurity.
The impurity, by mass percentage, including：Si≤0.030；Na≤0.003；S≤0.020.
The beneficial effects of the invention are as follows：
Raw mineral materials of the present invention is easily readily available, and just can be same with lateritic nickel ore after finished product sea sand ore deposit
When be put into high temperature furnace heats forged, reduce the process flow that construction is produced with steel, reduce the cost of production, improve life
The efficiency of production；Contain distinctive Ti elements in a large amount of sea sand ore deposits in the construction(al)steel, greatly improve the intensity of the steel, and subtract
Lack the weight of the steel, be easy to building transport to use；The steel has higher tensile strength, yield strength and higher elongation
Rate, is less prone to the unfavorable condition of fracture in use, and building performance is high, is adapted to promote the use of.
Embodiment
Embodiment 1：Prepare raw material by following alloying components (mass percent)：
V28.00~30.00；Ni15.00~18.00；Ti12.00~16.00；Cr20.00~22.00；Cl≤0.80；C
≤0.06；P≤0.030；Surplus is Fe.Sea sand ore deposit needed for taking is in sea sand ore deposit is in magnetic separation stove and carries out two-stage magnetic separation, after magnetic separation
Forged by ball milling, its weight ratio is met design requirement, after finished product sea sand ore deposit is placed in smelting furnace preliminary melting, smelting temperature
2000~2200 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 as far as possible low, solution pours into consutrode；Lateritic nickel ore is placed in high temperature furnace and melts forging refining, to lateritic nickel ore plus
To purify, the common melting of sea sand ore deposit progress that incipient melting is added in backward high temperature furnace is purified, the content of control impurity element is tried one's best
Low, molten to cause ESR ingot, step and technological parameter are as follows：1st, slag system：NiS:Al2O3:CaO:SiO2=40:25:10:25
(%)；Quantity of slag 38Kg；2nd, electric power system：Voltage 45V ± 8V；8000 ± 300A of electric current.3rd, steel plate is heated to 1300 ± 20 DEG C
Insulation 5~6 hours, starts forging.4th, sample heat treatment step and technological parameter are as follows：Solution treatment：1300 ± 38 DEG C, insulation
>=0.5h, water cooling.5th, spread out after the steel plate 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 method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel, it is characterised in that methods described includes step
Suddenly：Sea sand ore deposit is forged by ball milling after magnetic separation in sea sand ore deposit is in magnetic separation stove and carries out two-stage magnetic separation, makes its weight ratio needed for taking
Meet design requirement, after finished product sea sand ore deposit is placed in smelting furnace preliminary melting, 2000~2200 DEG C of smelting temperature；In fusion process
The content of middle regulation each element, makes its weight ratio meet design requirement, and the content of control impurity element is as far as possible low, and solution is poured into
Consutrode；Lateritic nickel ore is placed in high temperature furnace and melts forging refining, lateritic nickel ore is purified, backward high temperature furnace is purified
The interior sea sand ore deposit for adding incipient melting carries out common melting, controls the content of impurity element as far as possible low, molten to cause ESR ingot.
2. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite produce construction(al)steel, its feature
It is, ESR ingot heats forged is made into steel plate, and step and technological parameter are as follows；Steel plate is heated to 1300 ± 20 DEG C of insulations 5
~6 hours, start forging.
3. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite produce construction(al)steel, its feature
It is, sample heat treatment step and technological parameter are as follows：Solution treatment：1300 ± 38 DEG C, insulation >=0.5h, water cooling.
4. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite produce construction(al)steel, its feature
It is, is spread out after steel plate forging and be cooled to room temperature.
5. the method that a kind of sea sand ore deposit according to claim 1 and lateritic nickel ore grandidierite produce construction(al)steel, its feature
It is that the surface of steel plate processing carries out wet ground to finished steel plate surface, eliminates convex surface, pit defects and make rod iron
Size, shape, surface quality meet design requirement, finished product steel plate.
6. a kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel, it is characterised in that its chemical composition, by weight
Measuring percentages is：
V28.00~30.00；
Ni15.00~18.00；
Ti12.00~16.00；
Cr20.00~22.00；
Cl≤0.80；
C≤0.06；
P≤0.030；
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 produce construction(al)steel, its feature
It is：The impurity, by mass percentage, including：Si≤0.030；Na≤0.003；S≤0.020.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258329.1A CN107245630A (en) | 2017-04-19 | 2017-04-19 | A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel |
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| CN201710258329.1A CN107245630A (en) | 2017-04-19 | 2017-04-19 | A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel |
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| CN107245630A true CN107245630A (en) | 2017-10-13 |
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| CN201710258329.1A Pending CN107245630A (en) | 2017-04-19 | 2017-04-19 | A kind of method that sea sand ore deposit and lateritic nickel ore grandidierite produce construction(al)steel |
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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 CN201710258329.1A patent/CN107245630A/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 (2)
| Title |
|---|
| 中国科学院技术条件及进出口局编: "《科学器材试用教材-金属材料-材料部分-第1分册》", 31 December 1982 * |
| 利萨•瓦茨著，谢江巍等译: "《不列颠图解科学课》", 30 June 2002, 吉林教育出版社 * |
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Application publication date: 20171013 |