CN106498202A - A kind of aluminium scrap renovation process of wrought aluminium alloy - Google Patents
A kind of aluminium scrap renovation process of wrought aluminium alloy Download PDFInfo
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- CN106498202A CN106498202A CN201610902381.1A CN201610902381A CN106498202A CN 106498202 A CN106498202 A CN 106498202A CN 201610902381 A CN201610902381 A CN 201610902381A CN 106498202 A CN106498202 A CN 106498202A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 128
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 102
- 239000004411 aluminium Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000009418 renovation Methods 0.000 title claims abstract description 17
- 239000002699 waste material Substances 0.000 claims abstract description 91
- 239000000203 mixture Substances 0.000 claims abstract description 51
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 239000005030 aluminium foil Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 47
- 229910052725 zinc Inorganic materials 0.000 claims description 45
- 229910052742 iron Inorganic materials 0.000 claims description 44
- 229910052804 chromium Inorganic materials 0.000 claims description 42
- 239000000126 substance Substances 0.000 claims description 41
- 239000012535 impurity Substances 0.000 claims description 40
- 229910052802 copper Inorganic materials 0.000 claims description 37
- 229910052748 manganese Inorganic materials 0.000 claims description 35
- 229910052749 magnesium Inorganic materials 0.000 claims description 17
- 238000007670 refining Methods 0.000 claims description 16
- 238000009749 continuous casting Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000006025 fining agent Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000007872 degassing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 7
- 239000006104 solid solution Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000008929 regeneration Effects 0.000 abstract description 5
- 238000011069 regeneration method Methods 0.000 abstract description 5
- 239000011777 magnesium Substances 0.000 description 39
- 239000011701 zinc Substances 0.000 description 39
- 239000010949 copper Substances 0.000 description 38
- 239000011572 manganese Substances 0.000 description 36
- 239000007788 liquid Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- 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
- C22C1/026—Alloys based on aluminium
-
- 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
-
- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Conductive Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
A kind of aluminium scrap renovation process of wrought aluminium alloy, used by the method, the composition of aluminium scrap raw material and mass percent are：19～52% waste and old aluminium door and window, 7～26% waste and old aluminum easy open can, 11～39% waste aluminum edges of boards corner material, 9～37% waste and old aluminium skimmings, 5～16% waste aluminium alloy cable, balance of old and useless aluminium foil.The present invention is with aluminium scrap as raw material, by optimizing the wrought aluminium alloy of the composition Direct Regeneration high added value of aluminium scrap raw material, improve the use value of aluminium scrap, reduce the production cost of wrought aluminium alloy, the wrought aluminium alloy of production such as is suitable for extruding, rolls, forges at multiple pressure processing crafts, can be used to building, the field such as electronic apparatus, electric wire, automobile, ship, Aero-Space, weaponry, have broad application prospects.
Description
Technical field
The invention belongs to field of alloy preparation technology, is specifically related to a kind of aluminium scrap renovation process of wrought aluminium alloy.
Background technology
Wrought aluminium alloy typically refers to that plasticity is higher, be suitable to extrude, roll, forge, punching press, the aluminium of the pressure processing such as bending
Alloy.Wrought aluminium alloy is most widely used class non-ferrous metal structural material at present, be largely used to building, electronic apparatus,
The fields such as electric wire, automobile, ship, mechanized equipment, Aero-Space, weaponry.With rapidly sending out for China's economic society
Exhibition, the demand to wrought aluminium alloy are increasing.
Literature retrieval is found, prior art is added during melting and casting mainly with primary aluminium as raw material
The alloying elements such as copper, magnesium, silicon, manganese, zinc are preparing wrought aluminium alloy.It is well known that primary aluminium is obtained by alumina eltrolysis, and
The electrolysis of aluminum oxide belongs to high energy consumption industry, along with exploitation and the alumina producing of bauxite resource, causes the production of primary aluminium
Need to consume the substantial amounts of energy, while can also discharge substantial amounts of carbon dioxide, dust and solid waste, cause serious environment
Pollution, the production cost for ultimately resulting in wrought aluminium alloy are higher.
China is the production and consumption big country of aluminium and aluminium alloy, endlessly produces substantial amounts of aluminium scrap per annual meeting.Utilize
Aluminium scrap carrys out secondary aluminium alloy, can significantly reduce the production cost of aluminium alloy, and reduce consumption and carbon dioxide, the powder of the energy
Dirt and the discharge of solid waste.But the most aluminium scrap of China is mainly used in regenerating low value-added cast aluminium alloy gold at present,
The alloying elements such as the copper that contains in aluminium scrap, magnesium, silicon, manganese, zinc are utilized effectively, and cause the huge waste of resource.Cause
This, using the wrought aluminium alloy of aluminium scrap Direct Regeneration high added value, for the use value, the reduction wrought aluminium alloy that improve aluminium scrap
Production cost all have and be of great significance.
Content of the invention
Present invention aims to above-mentioned existing problems and deficiency, there is provided a kind of aluminium scrap regeneration side of wrought aluminium alloy
Method, with aluminium scrap as the wrought aluminium alloy of main raw material(s) Direct Regeneration high added value, improves the use value of aluminium scrap, reduces deformation
The production cost of aluminium alloy.
The technical scheme is that and be achieved in that：
The aluminium scrap renovation process of wrought aluminium alloy of the present invention, is characterized in：The composition of aluminium scrap raw material used by the method
And mass percent is：19～52% waste and old aluminium door and window, 7～26% waste and old aluminum easy open can, 11～39% waste aluminum edges of boards angle
Material, 9～37% waste and old aluminium skimmings, 5～16% waste aluminium alloy cable, balance of old and useless aluminium foil；The method is comprised the following steps：
Step one：By above-mentioned waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy electricity
Cable and old and useless aluminium foil are fused into aluminum alloy melt in 700～780 DEG C of heating；
Step 2：Respectively with the essence for accounting for fining agent that aluminium scrap raw material gross mass percentage is 0.15～0.3% and 0.3～1.5%
Refining agent carries out micronization processes to aluminum alloy melt and refining degasification removes Slag treatment；
Step 3：Aluminum alloy melt after by process semi-continuous casting or continuous casting and rolling or continuous casting and rolling under the conditions of 660～760 DEG C
Into wrought aluminium alloy；
Step 4：By wrought aluminium alloy in 485～530 DEG C of solid solutions 1～6 hour, in 175～210 DEG C of timeliness 12～48 after water quenching
Hour, satisfactory wrought aluminium alloy is obtained after along with the furnace cooling.
Wherein, the chemical composition and mass percent of the waste and old aluminium door and window is：Mg 0.6～1.2%, Si 0.4～
1.8%, Mn≤1.0%, Cu≤0.6%, Fe≤0.7%, Cr≤0.35%, Zn≤0.3%, Ti≤0.2%, balance of Al and
Inevitable impurity.
The chemical composition and mass percent of the waste and old aluminum easy open can be：Mn 0.8～1.5%, Mg≤1.0%, Si≤
0.6%, Cu≤0.3%, Fe≤0.8%, Cr≤0.2%, Zn≤0.4%, Ti≤0.1%, balance of Al and inevitably miscellaneous
Matter.
The chemical composition and mass percent of the waste aluminum edges of boards corner material be：Mg 3.5～5.5%, Mn 0.6～1.2%,
Si≤0.4%, Cu≤0.2%, Fe≤0.5%, Cr≤0.35%, Zn≤0.35%, Ti≤0.1%, balance of Al and can not
The impurity for avoiding.
The chemical composition and mass percent of the waste and old aluminium skimmings be：Cu 3.5～6.5%, Zn 4.5～8.5%, Mg 1.5
～2.5%, Mn≤0.6%, Si≤0.35%, Fe≤0.7%, Cr≤0.5%, Ti≤0.2%, balance of Al and inevitable
Impurity.
The chemical composition and mass percent of the waste aluminium alloy cable be：Mg≤0.9%, Si≤0.6%, Mn≤
0.5%, Cu≤0.35%, Fe≤0.6%, Cr≤0.3%, Zn≤0.2%, Ti≤0.1%, balance of Al and inevitably
Impurity.
The chemical composition and mass percent of the old and useless aluminium foil be：Mg≤0.15%, Si≤0.15%, Mn≤
0.05%, Cu≤0.03%, Fe≤0.3%, Cr≤0.01%, Zn≤0.01%, Ti≤0.02% and can not be kept away balance of Al
The impurity that exempts from.
The chemical composition and mass percent of the fining agent be：Ti 4.5～5.5%, B 0.8～1.2%, Fe≤
0.2%, Si≤0.2%, balance of Al and inevitable impurity.
The refining agent into being grouped into and mass percent is：NaCl 20～21%, Na2CO314～15%, KCl 18
～19%, MgC1212～13%, Na3AlF615～16%, NaF 13～14%, balance of K2CO3.
The present invention compared with prior art, with advantages below：
The present invention with waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy cable and
Old and useless aluminium foil is raw material, the wrought aluminium alloy of the composition Direct Regeneration high added value by optimizing aluminium scrap raw material.With existing
Technology is compared, all aluminium scraps of raw materials of the present invention, does not both also add copper, magnesium, silicon, manganese, zinc using primary aluminium
Deng alloying element, therefore there is relatively low production cost, than the low production cost more than 35% of prior art.The present invention improves
The use value of aluminium scrap, the wrought aluminium alloy of production have the advantages that plasticity is good, multiple pressures such as are suitable for extruding, roll, forge
Power processing technology, can be widely used for the neck such as building, electronic apparatus, electric wire, automobile, ship, Aero-Space, weaponry
Domain, has broad application prospects.
Specific embodiment
Technical scheme is further described with reference to specific embodiment.
Embodiment 1
The composition of aluminium scrap raw material and mass percent are：52% waste and old aluminium door and window（Chemical composition and mass percent are：Mg
1.2%, Si 0.9%, Mn 0.5%, Cu 0.3%, Fe 0.4%, Cr 0.35%, Zn 0.1%, Ti 0.15%, balance of Al and can not
The impurity for avoiding）, 21% waste and old aluminum easy open can（Chemical composition and mass percent are：Mn 0.8%, Mg 1.0%, Si 0.6%,
Cu 0.2%, Fe 0.4%, Cr 0.1%, Zn 0.1%, Ti 0.05%, balance of Al and inevitable impurity）, 12% waste and old
Aluminium sheet leftover pieces（Chemical composition and mass percent are：Mg 3.5%, Mn 0.6%, Si 0.4%, Cu 0.1%, Fe 0.3%, Cr
0.05%, Zn 0.15%, Ti 0.05%, balance of Al and inevitable impurity）, 9% waste and old aluminium skimmings（Chemical composition and quality
Percentage is：Cu 3.5%, Zn 4.5%, Mg 1.5%, Mn 0.1%, Si 0.2%, Fe 0.5%, Cr 0.01%, Ti 0.1%, remaining
Measure as Al and inevitable impurity）, 5% waste aluminium alloy cable（Chemical composition and mass percent are：Mg 0.8%, Si
0.3%, Mn 0.2%, Cu 0.1%, Fe 0.6%, Cr 0.1%, Zn 0.1%, Ti 0.05%, balance of Al and inevitably miscellaneous
Matter）, 1% old and useless aluminium foil（Chemical composition and mass percent are：Mg 0.1%, Si 0.1%, Mn 0.05%, Cu 0.01%, Fe
0.05%, Cr 0.001%, Zn 0.001%, Ti 0.005%, balance of Al and inevitable impurity）.
The aluminium scrap renovation process of wrought aluminium alloy, specifically comprises the steps of：
Step one：By waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy cable and
Old and useless aluminium foil is fused into aluminum alloy melt in 700 DEG C of heating；
Step 2：With aluminium scrap raw material gross mass percentage is accounted for, to be 0.15% fining agent and 0.3% refining agent close to aluminium respectively
Golden liquid carries out micronization processes and refining degasification removes Slag treatment；
Step 3：By aluminum alloy melt under the conditions of 660 DEG C semi-continuous casting into wrought aluminium alloy；
Step 4：By wrought aluminium alloy in 485 DEG C of solid solutions 6 hours, in 175 DEG C of timeliness 48 hours after water quenching, after along with the furnace cooling
Arrive satisfactory wrought aluminium alloy.
Press GB228-2010《Metal material stretching test》Standard, detects in DNS200 type Universal electrical cupping machines
The present embodiment wrought aluminium alloy, its tensile strength in 327.2MPa, elongation 16.1%, with medium intensity and excellent
Plasticity, is suitable for extrusion process into architectural aluminum section, electronic apparatus and auto parts and components.
Embodiment 2
The composition of aluminium scrap raw material and mass percent are：19% waste and old aluminium door and window（Chemical composition and mass percent are：Mg
1.2%, Si 1.8%, Mn 0.7%, Cu0.2%, Fe 0.3%, Cr 0.3%, Zn 0.1%, Ti 0.15%, balance of Al and can not keep away
The impurity that exempts from）, 26% waste and old aluminum easy open can（Chemical composition and mass percent are：Mn 0.8%, Mg 0.5%, Si 0.3%, Cu
0.1%, Fe 0.45%, Cr 0.05%, Zn 0.2%, Ti 0.05%, balance of Al and inevitable impurity）, 11% waste aluminum
Edges of boards corner material（Chemical composition and mass percent are：Mg 3.5%, Mn 0.7%, Si 0.2%, Cu 0.15%, Fe 0.25%, Cr
0.15%, Zn 0.2%, Ti 0.1%, balance of Al and inevitable impurity）, 9% waste and old aluminium skimmings（Chemical composition and quality hundred
Point ratio is：Cu 3.5%, Zn 4.5%, Mg 1.5%, Mn 0.1%, Si 0.3%, Fe 0.4%, Cr 0.3%, Ti 0.1%, balance of
Al and inevitable impurity）, 16% waste aluminium alloy cable（Chemical composition and mass percent are：Mg 0.8%, Si
0.4%, Mn 0.2%, Cu 0.15%, Fe 0.4%, Cr 0.1%, Zn 0.02%, Ti 0.15%, balance of Al and inevitably
Impurity）, 19% old and useless aluminium foil（Chemical composition and mass percent are：Mg 0.1%, Si 0.1%, Mn 0.01%, Cu 0.02%,
Fe 0.03%, Cr 0.01%, Zn 0.01%, Ti 0.01%, balance of Al and inevitable impurity）.
The aluminium scrap renovation process of wrought aluminium alloy, specifically comprises the steps of：
Step one：By waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy cable and
Old and useless aluminium foil is fused into aluminum alloy melt in 720 DEG C of heating；
Step 2：Respectively with accounting for the refining agent of fining agent that aluminium scrap raw material gross mass percentage is 0.2% and 0.6% to aluminium alloy
Liquid carries out micronization processes and refining degasification removes Slag treatment；
Step 3：By aluminum alloy melt under the conditions of 680 DEG C continuous casting and rolling into wrought aluminium alloy；
Step 4：By wrought aluminium alloy in 495 DEG C of solid solutions 3 hours, in 185 DEG C of timeliness 36 hours after water quenching, after along with the furnace cooling
Arrive satisfactory wrought aluminium alloy.
Press GB228-2010《Metal material stretching test》Standard, detects in DNS200 type Universal electrical cupping machines
The present embodiment wrought aluminium alloy, its tensile strength in 248.5MPa, elongation 21.4%, with medium intensity and excellent
Plasticity, is suitable for continuous casting and rolling manufacture aluminum alloy wire cable.
Embodiment 3
The composition of aluminium scrap raw material and mass percent are：24% waste and old aluminium door and window（Chemical composition and mass percent are：Mg
1.2%, Si 1.1%, Mn 0.3%, Cu 0.4%, Fe 0.2%, Cr 0.3%, Zn 0.1%, Ti 0.1%, balance of Al and can not keep away
The impurity that exempts from）, 9% waste and old aluminum easy open can（Chemical composition and mass percent are：Mn 0.8%, Mg 1.0%, Si 0.4%, Cu
0.1%, Fe 0.3%, Cr 0.15%, Zn 0.2%, Ti 0.01%, balance of Al and inevitable impurity）, 39% waste aluminum
Edges of boards corner material（Chemical composition and mass percent are：Mg 5.5%, Mn 0.7%, Si 0.2%, Cu 0.1%, Fe 0.4%, Cr
0.15%, Zn 0.15%, Ti 0.04%, balance of Al and inevitable impurity）, 9% waste and old aluminium skimmings（Chemical composition and quality
Percentage is：Cu 3.9%, Zn 4.7%, Mg 2.5%, Mn 0.2%, Si 0.1%, Fe 0.25%, Cr 0.4%, Ti 0.15%, remaining
Measure as Al and inevitable impurity）, 7% waste aluminium alloy cable（Chemical composition and mass percent are：Mg 0.9%, Si
0.6%, Mn 0.1%, Cu 0.3%, Fe 0.25%, Cr 0.01%, Zn 0.05%, Ti 0.05%, balance of Al and inevitably
Impurity）, 12% old and useless aluminium foil（Chemical composition and mass percent are：Mg 0.15%, Si 0.15%, Mn 0.04%, Cu
0.02%, Fe 0.2%, Cr 0.01%, Zn 0.01%, Ti 0.01%, balance of Al and inevitable impurity）.
The aluminium scrap renovation process of wrought aluminium alloy, specifically comprises the steps of：
Step one：By waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy cable and
Old and useless aluminium foil is fused into aluminum alloy melt in 740 DEG C of heating；
Step 2：Respectively with accounting for the refining agent of fining agent that aluminium scrap raw material gross mass percentage is 0.2% and 0.9% to aluminium alloy
Liquid carries out micronization processes and refining degasification removes Slag treatment；
Step 3：By aluminum alloy melt under the conditions of 720 DEG C continuous casting and rolling into wrought aluminium alloy；
Step 4：By wrought aluminium alloy in 505 DEG C of solid solutions 3 hours, in 195 DEG C of timeliness 24 hours after water quenching, after along with the furnace cooling
Arrive satisfactory wrought aluminium alloy.
Press GB228-2010《Metal material stretching test》Standard, detects in DNS200 type Universal electrical cupping machines
The present embodiment wrought aluminium alloy, its tensile strength in 465.1MPa, fit with higher intensity and plasticity 13.7% by elongation
Together in casting or it is rolled into ship aluminum alloy plate materials.
Embodiment 4
The composition of aluminium scrap raw material and mass percent are：19% waste and old aluminium door and window（Chemical composition and mass percent are：Mg
1.1%, Si 1.8%, Mn 0.7%, Cu 0.6%, Fe 0.4%, Cr 0.35%, Zn 0.3%, Ti 0.2%, balance of Al and can not
The impurity for avoiding）, 7% waste and old aluminum easy open can（Chemical composition and mass percent are：Mn 1.3%, Mg 0.8%, Si 0.6%,
Cu 0.3%, Fe 0.5%, Cr 0.2%, Zn 0.35%, Ti 0.1%, balance of Al and inevitable impurity）, 22% waste and old
Aluminium sheet leftover pieces（Chemical composition and mass percent are：Mg 5.5%, Mn 1.1%, Si 0.1%, Cu 0.2%, Fe 0.2%, Cr
0.3%, Zn 0.35%, Ti 0.1%, balance of Al and inevitable impurity）, 37% waste and old aluminium skimmings（Chemical composition and quality
Percentage is：Cu 6.5%, Zn 8.5%, Mg 2.5%, Mn 0.2%, Si 0.3%, Fe 0.45%, Cr 0.5%, Ti 0.2%, remaining
Measure as Al and inevitable impurity）, 6% waste aluminium alloy cable（Chemical composition and mass percent are：Mg 0.9%, Si
0.6%, Mn 0.2%, Cu 0.3%, Fe 0.4%, Cr 0.3%, Zn 0.15%, Ti 0.1%, balance of Al and inevitably miscellaneous
Matter）, 9% old and useless aluminium foil（Chemical composition and mass percent are：Mg 0.15%, Si 0.15%, Mn 0.04%, Cu 0.02%,
Fe 0.3%, Cr 0.01%, Zn 0.01%, Ti 0.02%, balance of Al and inevitable impurity）.
The aluminium scrap renovation process of wrought aluminium alloy, specifically comprises the steps of：
Step one：By waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy cable and
Old and useless aluminium foil is fused into aluminum alloy melt in 780 DEG C of heating；
Step 2：Respectively with accounting for the refining agent of fining agent that aluminium scrap raw material gross mass percentage is 0.3% and 1.5% to aluminium alloy
Liquid carries out micronization processes and refining degasification removes Slag treatment；
Step 3：By aluminum alloy melt under the conditions of 760 DEG C semi-continuous casting into wrought aluminium alloy；
Step 4：By wrought aluminium alloy in 530 DEG C of solid solutions 1 hour, in 210 DEG C of timeliness 12 hours after water quenching, after along with the furnace cooling
Arrive satisfactory wrought aluminium alloy.
Press GB228-2010《Metal material stretching test》Standard, detects in DNS200 type Universal electrical cupping machines
The present embodiment wrought aluminium alloy, its tensile strength in 550.9MPa, elongation 9.6%, with intensity high, plasticity is good the characteristics of,
It is suitable for extruding or forging Aero-Space and weaponry structural member.
Embodiment 5
The composition of aluminium scrap raw material and mass percent are：19% waste and old aluminium door and window（Chemical composition and mass percent are：Mg
0.6%, Si 0.4%, Mn 0.1%, Cu 0.05%, Fe 0.1%, Cr 0.05%, Zn 0.03%, Ti 0.05%, balance of Al and not
Evitable impurity）, 16% waste and old aluminum easy open can（Chemical composition and mass percent are：Mn 0.8%, Mg 0.3%, Si
0.2%, Cu 0.1%, Fe 0.35%, Cr 0.05%, Zn 0.05%, Ti 0.03%, balance of Al and inevitable impurity）,
11% waste aluminum edges of boards corner material（Chemical composition and mass percent are：Mg 3.5%, Mn 0.6%, Si 0.2%, Cu 0.05%,
Fe 0.2%, Cr 0.05%, Zn 0.15%, Ti 0.01%, balance of Al and inevitable impurity）, 9% waste and old aluminium skimmings（Change
Study point and mass percent is：Cu 3.5%, Zn 4.5%, Mg 1.5%, Mn 0.2%, Si 0.15%, Fe 0.2%, Cr
0.3%, Ti 0.01%, balance of Al and inevitable impurity）, 5% waste aluminium alloy cable（Chemical composition and quality percentage
Than for：Mg 0.4%, Si 0.2%, Mn 0.15%, Cu 0.15%, Fe 0.2%, Cr 0.1%, Zn 0.02%, Ti 0.01%, surplus
For Al and inevitable impurity）, 40% old and useless aluminium foil（Chemical composition and mass percent are：Mg 0.05%, Si 0.08%,
Mn 0.02%, Cu 0.01%, Fe 0.1%, Cr 0.001%, Zn 0.001%, Ti 0.01%, balance of Al and inevitably miscellaneous
Matter）.
The aluminium scrap renovation process of wrought aluminium alloy, specifically comprises the steps of：
Step one：By waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy cable and
Old and useless aluminium foil is fused into aluminum alloy melt in 710 DEG C of heating；
Step 2：With aluminium scrap raw material gross mass percentage is accounted for, to be 0.25% fining agent and 1.2% refining agent close to aluminium respectively
Golden liquid carries out micronization processes and refining degasification removes Slag treatment；
Step 3：By aluminum alloy melt under the conditions of 690 DEG C continuous casting and rolling into wrought aluminium alloy；
Step 4：By wrought aluminium alloy in 495 DEG C of solid solutions 2 hours, in 190 DEG C of timeliness 18 hours after water quenching, after along with the furnace cooling
Arrive satisfactory wrought aluminium alloy.
Press GB228-2010《Metal material stretching test》Standard, detects in DNS200 type Universal electrical cupping machines
The present embodiment wrought aluminium alloy, in 131.6MPa, elongation is 28.7%, although intensity is relatively low, but plasticity pole for its tensile strength
Good, it is suitable for being rolled into aluminium alloy sheet or aluminium foil, for manufacturing pop can, packaging foil and capacitor aluminium foil etc..
And, the chemical composition and mass percent of the fining agent adopted in the various embodiments described above for：Ti 4.5～5.5%,
B 0.8～1.2%, Fe≤0.2%, Si≤0.2%, balance of Al and inevitable impurity.Refining agent into being grouped into and matter
Measuring percentage is：NaCl 20～21%, Na2CO314～15%, KCl 18～19%, MgC1212～13%, Na3AlF615～
16%, NaF 13～14%, balance of K2CO3.
The present invention is described by embodiment, but is not limited the invention, with reference to description of the invention, institute
Other changes of disclosed embodiment, such as the professional person of this area is readily apparent that, such change should belong to
Within the scope of the claims in the present invention are limited.
Claims (7)
1. the aluminium scrap renovation process of a kind of wrought aluminium alloy, it is characterised in that：The composition of aluminium scrap raw material and matter used by the method
Measuring percentage is：19～52% waste and old aluminium door and window, 7～26% waste and old aluminum easy open can, 11～39% waste aluminum edges of boards corner material, 9
～37% waste and old aluminium skimmings, 5～16% waste aluminium alloy cable, balance of old and useless aluminium foil；The method is comprised the following steps：
Step one：By above-mentioned waste and old aluminium door and window, waste and old aluminum easy open can, waste aluminum edges of boards corner material, waste and old aluminium skimmings, waste aluminium alloy electricity
Cable and old and useless aluminium foil are fused into aluminum alloy melt in 700～780 DEG C of heating；
Step 2：Respectively with the essence for accounting for fining agent that aluminium scrap raw material gross mass percentage is 0.15～0.3% and 0.3～1.5%
Refining agent carries out micronization processes to aluminum alloy melt and refining degasification removes Slag treatment；
Step 3：Aluminum alloy melt after by process semi-continuous casting or continuous casting and rolling or continuous casting and rolling under the conditions of 660～760 DEG C
Into wrought aluminium alloy；
Step 4：By wrought aluminium alloy in 485～530 DEG C of solid solutions 1～6 hour, in 175～210 DEG C of timeliness 12～48 after water quenching
Hour, satisfactory wrought aluminium alloy is obtained after along with the furnace cooling.
2. the aluminium scrap renovation process of wrought aluminium alloy according to claim 1, it is characterised in that：The waste and old aluminium door and window
Chemical composition and mass percent are：Mg 0.6～1.2%, Si 0.4～1.8%, Mn≤1.0%, Cu≤0.6%, Fe≤
0.7%, Cr≤0.35%, Zn≤0.3%, Ti≤0.2%, balance of Al and inevitable impurity.
3. the aluminium scrap renovation process of wrought aluminium alloy according to claim 1, it is characterised in that：The waste and old aluminum easy open can
Chemical composition and mass percent be：Mn 0.8～1.5%, Mg≤1.0%, Si≤0.6%, Cu≤0.3%, Fe≤
0.8%, Cr≤0.2%, Zn≤0.4%, Ti≤0.1%, balance of Al and inevitable impurity.
4. the aluminium scrap renovation process of wrought aluminium alloy according to claim 1, it is characterised in that：The waste aluminum edges of boards angle
The chemical composition and mass percent of material be：Mg 3.5～5.5%, Mn 0.6～1.2%, Si≤0.4%, Cu≤0.2%, Fe
≤ 0.5%, Cr≤0.35%, Zn≤0.35%, Ti≤0.1%, balance of Al and inevitable impurity.
5. the aluminium scrap renovation process of wrought aluminium alloy according to claim 1, it is characterised in that：The change of the waste and old aluminium skimmings
Study point and mass percent is：Cu 3.5～6.5%, Zn 4.5～8.5%, Mg 1.5～2.5%, Mn≤0.6%, Si≤
0.35%, Fe≤0.7%, Cr≤0.5%, Ti≤0.2%, balance of Al and inevitable impurity.
6. the aluminium scrap renovation process of wrought aluminium alloy according to claim 1, it is characterised in that：The waste aluminium alloy electricity
The chemical composition and mass percent of cable be：Mg≤0.9%, Si≤0.6%, Mn≤0.5%, Cu≤0.35%, Fe≤
0.6%, Cr≤0.3%, Zn≤0.2%, Ti≤0.1%, balance of Al and inevitable impurity.
7. the aluminium scrap renovation process of wrought aluminium alloy according to claim 1, it is characterised in that：The change of the old and useless aluminium foil
Study point and mass percent is：Mg≤0.15%, Si≤0.15%, Mn≤0.05%, Cu≤0.03%, Fe≤0.3%, Cr
≤ 0.01%, Zn≤0.01%, Ti≤0.02%, balance of Al and inevitable impurity.
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