CN108977622A - A method of steel-making aluminium deoxidizer is processed using aluminium waste - Google Patents
A method of steel-making aluminium deoxidizer is processed using aluminium waste Download PDFInfo
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- CN108977622A CN108977622A CN201810872383.XA CN201810872383A CN108977622A CN 108977622 A CN108977622 A CN 108977622A CN 201810872383 A CN201810872383 A CN 201810872383A CN 108977622 A CN108977622 A CN 108977622A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The present invention relates to a kind of methods for processing steel-making aluminium deoxidizer using aluminium waste, belong to the preparation technical field of deoxidizer in steel production.Described method includes following steps: 1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of industrial turning, separates the impurity such as the dust in aluminium waste, plastics with aluminium waste；2) magnetic separation: magnetic separation is carried out to the aluminium waste in step 1), removes the iron filings in aluminium waste；3) aluminium waste in step 2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, the cutting fluid in aluminium waste, greasy dirt are dried to get pure aluminium waste；4) by the aluminium waste extrusion forming in step 3) to get aluminium waste deoxidizer in steel production.The present invention is using the aluminium waste of industrial turning as raw material, by drying the dust in the aluminium waste for having effectively removed industrial turning, cutting fluid, greasy dirt under electrostatic primary election, magnetic separation, carbon dioxide atmosphere, steel-making aluminium deoxidizer deoxidation effect using the preparation of this aluminium waste is stablized, and deoxidation effect is good.
Description
Technical field
The present invention relates to the preparation technical field of deoxidizer in steel production more particularly to a kind of utilization aluminium waste processing steel-making aluminium are de-
The method of oxygen agent.
Background technique
Aluminium waste belongs to old metal common in Industrial Metal waste material, is mainly derived from the every field such as life, industry, only
Shandong Province's aluminum i ndustry waste material just reaches 200,000 tons/year, and dominant digestion approach is remelting, the technique mostly used be small smelting furnace remelting at
The characteristics of compound aluminium ingot has pollution greatly, at high cost, unstable quality.In addition, aluminium is the necessary deoxidier of steel-making, demand
Huge, main path is to be obtained using electrolysis aluminium ingot remelting at modes such as granularity blocks, but this mode will cause higher refining
Steel cost, for this purpose, people gradually start with the deoxidier of the preparation steel-making of the industrial waste containing aluminium, for example, patent application
201810219036.7 disclosing a kind of metal aluminium deoxidizer and preparation method thereof.The deoxidier is prepared by aluminium scrap ash, is led to
Cross ball milling, screening obtains aluminium lime-ash, and aluminium lime-ash is then put into ball press and is suppressed, and solidifies, it is de- to obtain metallic aluminium of the present invention
Oxygen agent.Deoxidier is prepared using this method, simple process can effectively reduce the wasting of resources, and the cost for saving deoxidation auxiliary material is thrown
Enter, realize the cycling and reutilization of waste, can be applied to steel mill ladle refining, molten steel using the deoxidier that this method obtains
Cleaning procedure has stronger deoxidation, desulphurizing ability.
The processing waste material of aluminum profile belongs to one kind of aluminium waste, and this aluminium waste has stable components, cheap, source
The advantages such as wide, the industrial wastes such as aluminium skimmings of especially industrial turning, not only stable components, powdery is more easily by press machine
Compression improves global density, but to contain impurity more for this kind of aluminium waste, such as dust, cutting fluid, greasy dirt, cause this kind of aluminium waste without
Method is directly used in deoxidizer in steel production, not can guarantee stable deoxidation effect not only, and complicated component can be also introduced in steel, is not known
Impurity, the smelting quality of steel can be damaged.Therefore, it is necessary to study a kind of aluminium waste by industrial turning to be processed into deoxidation effect
Stablize, the method for the deoxidizer in steel production that ingredient is pure.
Summary of the invention
For above-mentioned problems of the prior art, the present invention is intended to provide a kind of de- using aluminium waste processing steel-making aluminium
The method of oxygen agent, the present invention is using the aluminium waste of industrial turning as raw material, by drying under electrostatic primary election, magnetic separation, carbon dioxide atmosphere
The methods of do, the impurity such as dust, cutting fluid, the greasy dirt in the aluminium waste of industrial turning have been effectively removed, this aluminium waste is utilized
The steel-making aluminium deoxidizer of preparation not only deoxidation effect stability, but also compact density height, deoxidation effect is good, has good application
Prospect.
An object of the present invention is to provide a kind of method for processing steel-making aluminium deoxidizer using aluminium waste.
The second object of the present invention is to provide the application for utilizing the method for aluminium waste processing steel-making aluminium deoxidizer.
For achieving the above object, specifically, the invention discloses following technical proposals:
Firstly, including the following steps: the invention discloses a kind of method for processing steel-making aluminium deoxidizer using aluminium waste
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of industrial turning, makes dust, the plastics in aluminium waste
Equal impurity are separated with aluminium waste；Aluminium is since good electric conductivity is not easy to be electrostatically adsorbed, although and dust, plastics etc. itself are external
It is not aobvious electrically but to be very easy to take electrostatic in itself, therefore, by electrostatic precipitator can the aluminium effectively by industrial turning give up
Dust, plastics in material are gone without impacting to aluminium waste.
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；Since aluminium is paramagnetism
Substance, will not be by the effect in magnetic field, and the ferromagnetic materials such as iron filings then can be good with aluminium waste realization under the influence of a magnetic field
Separation.
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, while aluminium
Cutting fluid, greasy dirt in waste material are dried to get pure aluminium waste；When being filled with carbon dioxide heating, heating process carbon dioxide
Protection, can not only keep heating rhEndostatin to stablize, but also the oxidation of aluminium waste can be prevented.
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
Preferably, in step (1), the field gas velocity of the electrostatic is 0.7-1.0m/s, electric field length 5m.
Preferably, in step (1), it is described industry turning aluminium waste include 1000 series alloys, preferably 1050,
1060,1100 series, purity reach 99.00% or more.
Preferably, in step (1), it is described industry turning aluminium waste include 2000 series alloys, preferably 2024,
LY6, LY16, LV6 series, copper content is between 3-5%.
Preferably, in step (1), it is described industry turning aluminium waste include 3000 series alloys, preferably 3003,
3A21 series, manganese content is between 1.0-1.5%.
Preferably, in step (1), the aluminium waste of the industry turning includes 4000 series alloys, preferably 4A01 system
It arranges, between silicone content 4.5-6%.
Preferably, in step (1), it is described industry turning aluminium waste include 5000 series alloys, preferably 5052,
5005,5083 series, content of magnesium is between 3-5%.
Preferably, in step (1), the aluminium waste of the industry turning includes 6000 series alloys, preferably 6061 systems
Column, containing two kinds of magnesium, silicon elements, aluminium content is 98% or more.Since the aluminium of 6000 series has, hardness is high, aluminium content is suitable
In, easy extrusion forming the characteristics of, so the turning aluminium skimmings of 6000 serial aluminum profiles are more suitable preparation steel-making aluminium deoxidizer.
Preferably, in step (1), the aluminium waste of the industry turning includes 7000 series alloys, preferably 7075 systems
Column, further preferably magnalium zinc titanium compound aluminium product.
Preferably, in step (2), the magnetic field strength of the magnetic separation is 3000-3500GS, can effectively remove iron filings.
Preferably, in step (3), the temperature of the heating is 300-400 DEG C, and the time is 2-3 hours
Preferably, in step (4), the pressure of the extruding is 25-60MPa.
Finally, the invention discloses the deoxidiers of the method preparation using aluminium waste processing steel-making aluminium deoxidizer in steel smelting
Application in refining.
Compared with prior art, the beneficial effect that the present invention obtains is:
(1) present invention is using the aluminium waste of industrial turning as raw material, by drying under electrostatic primary election, magnetic separation, carbon dioxide atmosphere
The methods of do, the impurity such as dust, cutting fluid, the greasy dirt in the aluminium waste of industrial turning have been effectively removed, this aluminium waste is utilized
The steel-making aluminium deoxidizer of preparation not only deoxidation effect stability, and compact density is high, and deoxidation effect is good.
(2) the aluminium wastes yield such as aluminium skimmings of industrial turning is big, if be not added with resource utilization, it will cause huge waves
Take, and these aluminium wastes are prepared into steel-making aluminium deoxidizer by the present invention, can by effectively avoiding the waste of resource, meanwhile, by making
It is processed with aluminium waste, the scaling loss of metallic aluminium and the consumption of the energy can also be avoided, needed with smelting one ton of steel using 1-2 kilograms of aluminium
Deoxidier calculates, and the steel enterprise consumption aluminium for producing 10000000 tons per year is ten thousand tons of 1-2, if the deoxidation prepared using aluminium waste of the invention
Agent substitutes traditional metal aluminium ingot deoxidier, then can reduce and consume ten thousand tons of 8-16 in bauxitic ore year, reduce energy consumption 4000-
70000000 degree, and processing aluminium skimmings energy consumption is only 800 yuan/ton, therefore, the preparation steel-making of the aluminium wastes such as aluminium skimmings of industrial turning is de-
Oxygen agent has significant economic and social value.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, aluminium is the necessary deoxidier of steel-making, and demand is huge, and main path is to use
Electrolysis aluminium ingot remelting is obtained at modes such as granularity blocks, but this mode will cause higher steel-making cost, the aluminium skimmings of industrial turning
Equal industrial wastes not only stable components, cheap, source is wide, but also powdery compressed more easily by press machine improve it is whole
Density, but to contain impurity more for this kind of aluminium waste, such as dust, cutting fluid, greasy dirt, and this kind of aluminium waste is caused to cannot be used directly for refining
Killer not can guarantee stable deoxidation effect not only, and complicated component, uncertain impurity can be also introduced in steel, can be damaged
The smelting quality of evil steel.Therefore, the present invention proposes a kind of method for processing steel-making aluminium deoxidizer using aluminium waste, below with reference to tool
The present invention is described further for body embodiment.
It should be noted that aluminium skimmings used in the embodiment of the present invention are purchased from Suzhou Rui Nan Wei Bo metal charge Co., Ltd.
Embodiment 1
A method of steel-making aluminium deoxidizer being processed using aluminium waste, is included the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of 6061 aluminium alloy turnery processings, is made in aluminium waste
The impurity such as dust, plastics are separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, aluminium is given up
Cutting fluid, greasy dirt in material are dried to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
In step (1), the field gas velocity of the electrostatic is set as 1.0m/s, electric field length 5m.
In step (2), the magnetic field strength of the magnetic separation is set as 3500GS.
In step (3), the temperature of the heating is set as 350 DEG C, and the time is 3 hours.
In step (4), the pressure of the extruding is set as 50MPa.
Embodiment 2
A method of steel-making aluminium deoxidizer being processed using aluminium waste, is included the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of 4A01 aluminium alloy turnery processing, is made in aluminium waste
The impurity such as dust, plastics are separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, aluminium is given up
Cutting fluid, greasy dirt in material are dried to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
In step (1), the field gas velocity of the electrostatic is set as 0.7m/s, electric field length 5m.
In step (2), the magnetic field strength of the magnetic separation is set as 3000GS.
In step (3), the temperature of the heating is set as 400 DEG C, and the time is 2 hours.
In step (4), the pressure of the extruding is set as 60MPa.
Embodiment 3
A method of steel-making aluminium deoxidizer being processed using aluminium waste, is included the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of 3003 aluminium alloy turnery processings, is made in aluminium waste
The impurity such as dust, plastics are separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, aluminium is given up
Cutting fluid, greasy dirt in material are dried to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
In step (1), the field gas velocity of the electrostatic is set as 0.8m/s, electric field length 5m.
In step (2), the magnetic field strength of the magnetic separation is set as 3200GS.
In step (3), the temperature of the heating is set as 300 DEG C, and the time is 3 hours.
In step (4), the pressure of the extruding is set as 25MPa.
Embodiment 4
A method of steel-making aluminium deoxidizer being processed using aluminium waste, is included the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of LY6 aluminium alloy turnery processing, is made in aluminium waste
The impurity such as dust, plastics are separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, aluminium is given up
Cutting fluid, greasy dirt in material are dried to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
In step (1), the field gas velocity of the electrostatic is set as 0.9m/s, electric field length 5m.
In step (2), the magnetic field strength of the magnetic separation is set as 3400GS.
In step (3), the temperature of the heating is set as 320 DEG C, and the time is 2.5 hours.
In step (4), the pressure of the extruding is set as 40MPa.
Embodiment 5
A method of steel-making aluminium deoxidizer being processed using aluminium waste, is included the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of 1060 aluminium alloy turnery processings, is made in aluminium waste
The impurity such as dust, plastics are separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, aluminium is given up
Cutting fluid, greasy dirt in material are dried to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
In step (1), the field gas velocity of the electrostatic is set as 0.8m/s, electric field length 5m.
In step (2), the magnetic field strength of the magnetic separation is set as 3300GS.
In step (3), the temperature of the heating is set as 350 DEG C, and the time is 3 hours.
In step (4), the pressure of the extruding is set as 30MPa.
Embodiment 6
A method of steel-making aluminium deoxidizer being processed using aluminium waste, is included the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of 5052 aluminium alloy turnery processings, is made in aluminium waste
The impurity such as dust, plastics are separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, aluminium is given up
Cutting fluid, greasy dirt in material are dried to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
In step (1), the field gas velocity of the electrostatic is set as 0.7m/s, electric field length 5m.
In step (2), the magnetic field strength of the magnetic separation is set as 3000GS.
In step (3), the temperature of the heating is set as 400 DEG C, and the time is 2.5 hours.
In step (4), the pressure of the extruding is set as 55MPa.
Embodiment 7
A method of steel-making aluminium deoxidizer being processed using aluminium waste, is included the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of 7075 aluminium alloy turnery processings, is made in aluminium waste
The impurity such as dust, plastics are separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, aluminium is given up
Cutting fluid, greasy dirt in material are dried to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
In step (1), the field gas velocity of the electrostatic is set as 1.0m/s, electric field length 5m.
In step (2), the magnetic field strength of the magnetic separation is set as 3300GS.
In step (3), the temperature of the heating is set as 380 DEG C, and the time is 2 hours.
In step (4), the pressure of the extruding is set as 45MPa.
Embodiment 1 is tested using the deoxidation effect of the aluminium deoxidizer of aluminium skimmings preparation, the specific method is as follows:
Purpose: the practical deoxidation effect of verifying aluminium skimmings briquetting calculates its influence to deoxygenated alloy cost.
One, test unit
East China Lian Zha factory of large size steel mill, 120t converter.
Two, batch is tested
It tests in two times, each tested number 1t.
Three, test period
First time test period: on June 6th, 2018, day shift.
Second of test period: on June 10th, 2018, day shift.
Four, desired effect is tested
1, steel grade key points for operation provide: deoxidation aluminium skimmings Al content 98.6%, and aluminium block Al content is greater than 98%.
2, it is required according to key points for operation, aluminium block deoxidier is replaced using the aluminium deoxidizer equivalent of aluminium skimmings preparation with embodiment 1
Deoxidation alloying is carried out, consumes 1.5kg/t steel by ton steel aluminium block, it is contemplated that deoxidation cost 0.6 yuan/t steel can be reduced.
Five, testing program
1, additional amount and Adding Way
Experimental stage is manually added aluminium skimmings according to regulatory requirements, carries out deoxidation alloying, automatically engage from feed bin.
2, test data analyzer
2.1 first time test datas
2.2 second of test data
2.3 test data analyzer
1. testing heat selects same steel grade, and smelting process blows etc. the heat of abnormal conditions without slag, point, compares terminal
The actual productions data such as oxygen content, aluminium block additional amount, molten steel aluminium content.
2. testing for the first time: average using the mean end-point oxygen content 316.8ppm of aluminium block deoxidation heat, aluminium block additional amount
209.2kg/ furnace, molten steel [Al] average 0.020%；It is averaged 320.6ppm, aluminium block using the terminal oxygen content of aluminium skimmings deoxidation heat
Additional amount is averaged 204kg/ furnace, molten steel [Al] average 0.019%.
3. second tests: being averaged using be averaged 302.2ppm, aluminium block additional amount of the terminal oxygen content of aluminium block deoxidation heat
210kg/ furnace, molten steel [Al] average 0.019%；Added using be averaged 314.4ppm, aluminium block of the terminal oxygen content of aluminium skimmings deoxidation heat
Enter amount to be averaged 206kg/ furnace, molten steel [Al] average 0.020%.
Above data shows: under the premise of converter terminal sample content, deoxidation of molten steel effect are consistent, the actual consumption of aluminium skimmings
Amount is almost the same with aluminium block, or even slightly below aluminium block is added.That is, aluminium skimmings have practical deoxidation effect identical with equivalent aluminium block.
3, cost accounting
Due to aluminium skimmings price 400 yuan/t low compared with aluminium block, be averaged additional amount 210kg/ furnace by test heat, by the molten steel that is averaged
It measures 135t to calculate, ton steel-deoxidizing alloy (aluminium block/aluminium skimmings) consumption 1.56kg/t steel, 1.56 × 0.4=0.62 of ton steel cost declining member/
T steel；As can be seen that fullying meet the pre- of 0.6 yuan/t steel to the reduction of deoxidation cost using the deoxidier of discarded aluminium skimmings preparation
Phase requires.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for those skilled in the art
For member, various changes and changes are possible in this application.Within the spirit and principles of this application, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of method for processing steel-making aluminium deoxidizer using aluminium waste, characterized by the following steps:
(1) electrostatic primary election: electrostatic precipitator is added in the aluminium waste of industrial turning, keeps dust, plastics in aluminium waste etc. miscellaneous
Matter is separated with aluminium waste；
(2) magnetic separation: magnetic separation is carried out to the aluminium waste in step (1), removes the iron filings in aluminium waste；
(3) aluminium waste in step (2) is placed in the closed container filled with carbon dioxide and carries out low-temperature heat, it will be in aluminium waste
Cutting fluid, greasy dirt dry to get pure aluminium waste；
(4) by the aluminium waste extrusion forming in step (3) to get aluminium waste deoxidizer in steel production.
2. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as described in claim 1, it is characterised in that: in step (1),
The field gas velocity of the electrostatic is 0.7-1.0m/s, electric field length 5m；
Preferably, in step (2), the magnetic field strength of the magnetic separation is 3000-3500GS, can effectively remove iron filings；
Preferably, in step (3), the temperature of the heating is 300-400 DEG C, and the time is 2-3 hours；
Preferably, in step (4), the pressure of the extruding is 25-60MPa.
3. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as claimed in claim 1 or 2, it is characterised in that: step (1)
In, the aluminium waste of the industry turning includes 1000 series alloys, and preferably 1050,1060,1100 is serial, and purity reaches
99.00% or more.
4. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as claimed in claim 1 or 2, it is characterised in that: step (1)
In, the aluminium waste of the industry turning includes 2000 series alloys, preferably 2024, LY6, LY16, LV6 series, and copper contains
Amount is between 3-5%.
5. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as claimed in claim 1 or 2, it is characterised in that: step (1)
In, the aluminium waste of the industry turning includes 3000 series alloys, and preferably 3003,3A21 series, manganese content is in 1.0-
Between 1.5%.
6. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as claimed in claim 1 or 2, it is characterised in that: step (1)
In, the aluminium waste of the industry turning includes 4000 series alloys, and preferably 4A01 is serial, between silicone content 4.5-6%.
7. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as claimed in claim 1 or 2, it is characterised in that: step (1)
In, the aluminium waste of the industry turning includes 5000 series alloys, and preferably 5052,5005,5083 is serial, and content of magnesium exists
Between 3-5%.
8. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as claimed in claim 1 or 2, it is characterised in that: step (1)
In, the aluminium waste of the industry turning includes 6000 series alloys, preferably 6061 series, containing two kinds of magnesium, silicon elements,
Aluminium content is 98% or more.
9. utilizing the method for aluminium waste processing steel-making aluminium deoxidizer as claimed in claim 1 or 2, it is characterised in that: step (1)
In, the aluminium waste of the industry turning includes 7000 series alloys, preferably 7075 series, further preferably magnalium zinc titanium
Compound aluminium product.
10. such as the deoxidier of the described in any item method preparations for processing steel-making aluminium deoxidizer using aluminium waste of claim 1-9
Application in smelting iron and steel.
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| CN114891956A (en) * | 2022-04-29 | 2022-08-12 | 新疆伊犁钢铁有限责任公司 | Production process for reducing consumption of LF (ladle furnace) deoxidizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114891956A (en) * | 2022-04-29 | 2022-08-12 | 新疆伊犁钢铁有限责任公司 | Production process for reducing consumption of LF (ladle furnace) deoxidizer |
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