CN103031455A - Preparation method of refining agent for smelting iron ore tailing doped aluminum alloy sectional material - Google Patents
Preparation method of refining agent for smelting iron ore tailing doped aluminum alloy sectional material Download PDFInfo
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- CN103031455A CN103031455A CN201210515451XA CN201210515451A CN103031455A CN 103031455 A CN103031455 A CN 103031455A CN 201210515451X A CN201210515451X A CN 201210515451XA CN 201210515451 A CN201210515451 A CN 201210515451A CN 103031455 A CN103031455 A CN 103031455A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 24
- 238000007670 refining Methods 0.000 title claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000003723 Smelting Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 title claims abstract description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 36
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract description 18
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 18
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims abstract description 12
- 229960000892 attapulgite Drugs 0.000 claims abstract description 12
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 12
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 10
- 235000013312 flour Nutrition 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000011734 sodium Substances 0.000 claims abstract description 9
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 9
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 9
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 4
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 9
- 235000015320 potassium carbonate Nutrition 0.000 claims description 8
- 229940001516 sodium nitrate Drugs 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- 239000013618 particulate matter Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910020808 NaBF Inorganic materials 0.000 claims description 5
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 5
- 239000010433 feldspar Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 3
- ZNRSXPDDVNZGEN-UHFFFAOYSA-K trisodium;chloride;sulfate Chemical compound [Na+].[Na+].[Na+].[Cl-].[O-]S([O-])(=O)=O ZNRSXPDDVNZGEN-UHFFFAOYSA-K 0.000 claims description 3
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 abstract 1
- 229910000027 potassium carbonate Inorganic materials 0.000 abstract 1
- 239000001103 potassium chloride Substances 0.000 abstract 1
- 235000011164 potassium chloride Nutrition 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 229910001495 sodium tetrafluoroborate Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a preparation method of a refining agent for smelting an iron ore tailing doped aluminum alloy sectional material. The refining agent is prepared from the following raw materials in parts by weight: 6-8 parts of potassium chloride, 4-6 parts of tree ash, 6-8 parts of iron ore tailings, 7-9 parts of mountain flour, 6-8 parts of magnesium chloride, 3-5 parts of calcium fluoride, 3-5 parts of sodium nitrate, 8-10 parts of sodium fluosilicate, 3-5 parts of sodium sulfate, 5-8 parts of aluminum chloride, 3-5 parts of potassium carbonate, 8-10 parts of attapulgite, 5-8 parts of NaBF4, 3-5 parts of sodium chloride, 5-8 parts of potassium feldspar powder, 8-10 parts of Na2TiF68 and 5-8 parts of NaF. The refining agent disclosed by the invention is used for treating to obtain a high-quality molten aluminum alloy; the molten aluminum alloy can be used for casting production and the rate of finished products is obviously improved; particularly, the porosity in a cast is reduced by 1-2 degrees and is effectively controlled; pores are not formed on the surface of the cast, oxide inclusion is obviously reduced and the oxide inclusion is about grade 2; and the mechanical property of the cast is obviously improved.
Description
Technical field
The present invention relates to a kind of melting field of high-strength aluminum alloy section, belong to the aluminum alloy materials processing technique field.
Background technology
Need to use insulating covering agent, slagging agent, slag-cleaning agent, refining agent etc. in the aluminium alloy smelting process, aluminium alloy adds refining agent when temperature reaches the 720 degree left and right sides, the refining agent that uses in traditional aluminium alloy manufacturing processed, can cause finished product electroconductibility, thermal conductivity, be doped with the iron ore tailings property not strong, and the degree of porosity in the alloy-steel casting of producing is higher, how can produce pore at cast(ing) surface, the ratio of oxidation foreign material is also higher, has affected the performance of alloy-steel casting.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, a kind of refining agent for smelting preparation method who is doped with the aluminium alloy extrusions of iron ore tailings is provided, improve the over-all properties of aluminium alloy extrusions.
The technical solution used in the present invention is as follows:
A kind of refining agent for smelting preparation method who is doped with the aluminium alloy extrusions of iron ore tailings includes following operation steps: made by following raw materials in part by weight: lithium chloride 6-8, trees ash 4-6, iron ore tailings 6-8, stone flour 7-9, magnesium chloride 6-8, Calcium Fluoride (Fluorspan) 3-5, SODIUMNITRATE 3-5, Sodium Silicofluoride 8-10, sodium sulfate 3-5, aluminum chloride 5-8, salt of wormwood 3-5, attapulgite 8-10, NaBF
45-8, sodium-chlor 3-5, feldspar in powder 5-8, Na
2TiF
68-10, NaF 5-8, trees ash with described weight part, the iron ore tailings, be wrapped in magnesium chloride after stone flour mixes and become particulate matter, particulate matter was soaked 3-4 hour with 12-15% sulfuric acid, deionized water wash, soaked 3-4 hour with the 12-15% sodium hydroxide solution again, extremely neutral with deionized water wash again, reheat to 350-360 ℃, be incubated 1-2 hour, stove is chilled to 200 ℃, is incubated 2 hours, reheats to 300-320 ℃, be incubated 1 hour, be cooled to 150 ℃ with 50 ℃/hour, with 15 ℃/hour, be cooled to normal temperature again, make the magnesium chloride enwrapped granule through pulverizing, the granularity of magnesium chloride enwrapped granule is 2-3mm;
Described refining agent preparation method is as follows:
A, the attapulgite of above-mentioned weight part was soaked 3-4 hour with 10-15% sulfuric acid, deionized water wash soaked 3-4 hour with the 10-12% sodium hydroxide solution again, and is extremely neutral with deionized water wash again, then 500-530 ℃ of lower calcining 2-3 hour, be ground into nanometer powder;
B, the lithium chloride with above-mentioned weight part, sodium-chlor, sodium sulfate, salt of wormwood, SODIUMNITRATE are added to the water, the sodium laurylsulfate, the 3-5% aluminum oxide that add again attapulgite weight 2-3%, high speed 4800-5500 rev/min of stirring obtains dispersion liquid, and the dispersion liquid dewatered drying is pulverized;
C, with after other heating raw materials melting, pulverize;
D, the material that step a, b, c are obtained add the magnesium chloride enwrapped granule and mix after stirring evenly to such an extent that particulate mixtures be refining agent.
Described refining agent is to be made by following raw materials in part by weight: lithium chloride 7, trees ash 5, iron ore tailings 7, stone flour 8, magnesium chloride 7, Calcium Fluoride (Fluorspan) 4, SODIUMNITRATE 4, Sodium Silicofluoride 9, sodium sulfate 4, aluminum chloride 7, salt of wormwood 4, attapulgite 9, NaBF
47, sodium-chlor 4, feldspar in powder 6, Na
2TiF
69, NaF 7.
The present invention processes through above-mentioned refining agent, obtain high-quality molten aluminium alloy, such molten aluminium alloy is used for Foundry Production, the degree of porosity that obviously improves in the yield rate, particularly foundry goods reduces the 1-2 degree, is controlled effectively, can not produce pore at cast(ing) surface, trapped oxide also obviously reduces, and oxide inclusion is about 2 grades, and the mechanical property of foundry goods obviously improves.Increase intensity and the hardness of aluminium alloy, be conducive to improve the over-all properties of aluminium alloy extrusions; The steps such as anneal, quench treatment, alignment processing have increased the homogeneity of interior tissue of aluminum and the refinement of crystal grain, have greatly improved quality and the processing characteristics of aluminium alloy extrusions; Aluminium alloy section surface is carried out chromate treating, improved the resistance to corrosion of aluminium alloy section surface oxide film and the bonding force of aluminium alloy extrusions and coating.
Embodiment
The invention will be further described below in conjunction with executing example, but be not limited to the following example.
A kind of refining agent for smelting preparation method who is doped with the aluminium alloy extrusions of iron ore tailings includes following operation steps: made by following weight (kilogram) raw material: lithium chloride 7, trees ash 5, iron ore tailings 7, stone flour 8, magnesium chloride 7, Calcium Fluoride (Fluorspan) 4, SODIUMNITRATE 4, iron ore tailings 6, Sodium Silicofluoride 9, sodium sulfate 4, aluminum chloride 7, salt of wormwood 4, attapulgite 9, NaBF
47, sodium-chlor 4, feldspar in powder 6, Na
2TiF
69, NaF 7, trees ash with described weight part, the iron ore tailings, be wrapped in magnesium chloride after stone flour mixes and become particulate matter, particulate matter was soaked 3-4 hour with 12-15% sulfuric acid, deionized water wash, soaked 3-4 hour with the 12-15% sodium hydroxide solution again, extremely neutral with deionized water wash again, reheat to 350-360 ℃, be incubated 1-2 hour, stove is chilled to 200 ℃, is incubated 2 hours, reheats to 300-320 ℃, be incubated 1 hour, be cooled to 150 ℃ with 50 ℃/hour, with 15 ℃/hour, be cooled to normal temperature again, make the magnesium chloride enwrapped granule through pulverizing, the granularity of magnesium chloride enwrapped granule is 2-3mm;
Described refining agent preparation method is as follows:
A, the attapulgite of above-mentioned weight part was soaked 3-4 hour with 10-15% sulfuric acid, deionized water wash soaked 3-4 hour with the 10-12% sodium hydroxide solution again, and is extremely neutral with deionized water wash again, then 500-530 ℃ of lower calcining 2-3 hour, be ground into nanometer powder;
B, the lithium chloride with above-mentioned weight part, sodium-chlor, sodium sulfate, salt of wormwood, SODIUMNITRATE are added to the water, the sodium laurylsulfate, the 3-5% aluminum oxide that add again attapulgite weight 2-3%, high speed 4800-5500 rev/min of stirring obtains dispersion liquid, and the dispersion liquid dewatered drying is pulverized;
C, with after other heating raw materials melting, pulverize;
D, the material that step a, b, c are obtained add the magnesium chloride enwrapped granule and mix after stirring evenly to such an extent that particulate mixtures be refining agent.
Through above-mentioned refining treatment, obtain high-quality molten aluminium alloy, refining temperature is 710-760 ℃, add-on is 0.5-1.5 kg/tonne, and such molten aluminium alloy is used for Foundry Production, obviously improves yield rate, particularly the degree of porosity in the foundry goods reduces the 1-2 degree, be controlled effectively, trapped oxide also obviously reduces, and oxide inclusion is about 2 grades.H content is generally 0.11-0.17ml/100g aluminium in the melt, and the mechanical property of foundry goods obviously improves.
Claims (2)
1. refining agent for smelting preparation method who is doped with the aluminium alloy extrusions of iron ore tailings, it is characterized in that, include following operation steps: made by following raw materials in part by weight: lithium chloride 6-8, trees ash 4-6, iron ore tailings 6-8, stone flour 7-9, magnesium chloride 6-8, Calcium Fluoride (Fluorspan) 3-5, SODIUMNITRATE 3-5, Sodium Silicofluoride 8-10, sodium sulfate 3-5, aluminum chloride 5-8, salt of wormwood 3-5, attapulgite 8-10, NaBF
45-8, sodium-chlor 3-5, feldspar in powder 5-8, Na
2TiF
68-10, NaF 5-8, trees ash with described weight part, the iron ore tailings, be wrapped in magnesium chloride after stone flour mixes and become particulate matter, particulate matter was soaked 3-4 hour with 12-15% sulfuric acid, deionized water wash, soaked 3-4 hour with the 12-15% sodium hydroxide solution again, extremely neutral with deionized water wash again, reheat to 350-360 ℃, be incubated 1-2 hour, stove is chilled to 200 ℃, is incubated 2 hours, reheats to 300-320 ℃, be incubated 1 hour, be cooled to 150 ℃ with 50 ℃/hour, with 15 ℃/hour, be cooled to normal temperature again, make the magnesium chloride enwrapped granule through pulverizing, the granularity of magnesium chloride enwrapped granule is 2-3mm;
Described refining agent preparation method is as follows:
A, the attapulgite of above-mentioned weight part was soaked 3-4 hour with 10-15% sulfuric acid, deionized water wash soaked 3-4 hour with the 10-12% sodium hydroxide solution again, and is extremely neutral with deionized water wash again, then 500-530 ℃ of lower calcining 2-3 hour, be ground into nanometer powder;
B, the lithium chloride with above-mentioned weight part, sodium-chlor, sodium sulfate, salt of wormwood, SODIUMNITRATE are added to the water, the sodium laurylsulfate, the 3-5% aluminum oxide that add again attapulgite weight 2-3%, high speed 4800-5500 rev/min of stirring obtains dispersion liquid, and the dispersion liquid dewatered drying is pulverized;
C, with after other heating raw materials melting, pulverize;
D, the material that step a, b, c are obtained add the magnesium chloride enwrapped granule and mix after stirring evenly to such an extent that particulate mixtures be refining agent.
2. the refining agent for smelting preparation method who is doped with the aluminium alloy extrusions of iron ore tailings according to claim 1, it is characterized in that described refining agent is to be made by following raw materials in part by weight: lithium chloride 7, trees ash 5, iron ore tailings 7, stone flour 8, magnesium chloride 7, Calcium Fluoride (Fluorspan) 4, SODIUMNITRATE 4, Sodium Silicofluoride 9, sodium sulfate 4, aluminum chloride 7, salt of wormwood 4, attapulgite 9, NaBF
47, sodium-chlor 4, feldspar in powder 6, Na
2TiF
69, NaF 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515451.XA CN103031455B (en) | 2012-12-05 | 2012-12-05 | Preparation method of refining agent for smelting iron ore tailing doped aluminum alloy sectional material |
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|---|---|---|---|
| CN201210515451.XA CN103031455B (en) | 2012-12-05 | 2012-12-05 | Preparation method of refining agent for smelting iron ore tailing doped aluminum alloy sectional material |
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| CN103031455A true CN103031455A (en) | 2013-04-10 |
| CN103031455B CN103031455B (en) | 2015-02-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316510A (en) * | 2015-10-21 | 2016-02-10 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy refining agent containing rear earth |
| CN105316507A (en) * | 2015-10-21 | 2016-02-10 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy refining agent containing La, Er and Zr |
| CN107574327A (en) * | 2017-10-24 | 2018-01-12 | 徐州轩辕铝业有限公司 | A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101343699A (en) * | 2008-09-03 | 2009-01-14 | 营口经济技术开发区金达合金铸造有限公司 | Aluminum-silicon alloy refining agent and preparation thereof |
| CN101967565A (en) * | 2010-10-28 | 2011-02-09 | 湖南晟通科技集团有限公司 | Refining agent for aluminum and aluminum alloy |
-
2012
- 2012-12-05 CN CN201210515451.XA patent/CN103031455B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343699A (en) * | 2008-09-03 | 2009-01-14 | 营口经济技术开发区金达合金铸造有限公司 | Aluminum-silicon alloy refining agent and preparation thereof |
| CN101967565A (en) * | 2010-10-28 | 2011-02-09 | 湖南晟通科技集团有限公司 | Refining agent for aluminum and aluminum alloy |
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| 周家荣: "《铝合金熔铸生产技术问答》", 31 January 2008, 冶金工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316510A (en) * | 2015-10-21 | 2016-02-10 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy refining agent containing rear earth |
| CN105316507A (en) * | 2015-10-21 | 2016-02-10 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy refining agent containing La, Er and Zr |
| CN105316510B (en) * | 2015-10-21 | 2018-06-08 | 广西平果铝合金精密铸件有限公司 | A kind of aluminum refining agent containing rare earth |
| CN105316507B (en) * | 2015-10-21 | 2018-07-27 | 广西平果铝合金精密铸件有限公司 | A kind of aluminum refining agent of the zirconium of erbium containing lanthanum |
| CN107574327A (en) * | 2017-10-24 | 2018-01-12 | 徐州轩辕铝业有限公司 | A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof |
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| CN103031455B (en) | 2015-02-11 |
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