CN103276259B - A kind of high purity aluminum alloy ingot casting and production technique thereof with stability property - Google Patents
A kind of high purity aluminum alloy ingot casting and production technique thereof with stability property Download PDFInfo
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- CN103276259B CN103276259B CN201310197181.7A CN201310197181A CN103276259B CN 103276259 B CN103276259 B CN 103276259B CN 201310197181 A CN201310197181 A CN 201310197181A CN 103276259 B CN103276259 B CN 103276259B
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Abstract
The present invention relates to the high purity aluminum alloy ingot casting with stability property.Now aluminium alloy on the market have that foreign matter content is high, component segregation serious, mechanics and poor processability, raw material poor, the defect such as preparation cost is high, production efficiency is low of sorting capability.The master metal auxiliary material element components that the high purity aluminum alloy ingot casting originally with stability property contains and each composition weight percentage part than scope are, silicon: 6.9 ~ 7.3%, copper: 4.1 ~ 4.8%, zinc: 2.5 ~ 3.8%, iron: 1.0 ~ 2.2%, manganese: 0.8 ~ 1.3%, tweezer 0.8 ~ 1.3%, tin: 0.45 ~ 0.75%, antimony: 0.2 ~ 0.25%, magnesium: 0.1 ~ 0.3%, surplus is aluminium.The invention still further relates to a kind of production technique with the high purity aluminum alloy ingot casting of stability property.The present invention is a kind of has that the clear process of the high purity aluminum alloy ingot casting of stability property and production technique thereof is simple, cost is cheap, obtained aluminium ingot casting has high purity and physical and chemical stability, is widely used in materials application based on aluminium extruded, aluminium note industry.
Description
Technical field
The present invention relates to a kind of high purity aluminum alloy ingot casting and the production technique thereof with stability property.
Background technology
Now aluminium alloy on the market have that foreign matter content is high, component segregation serious, mechanics and poor processability, raw material poor, the defect such as preparation cost is high, production efficiency is low of sorting capability.In addition, the preparation method that the high purity aluminum alloy ingot casting produced in the market adopts, one is with fine aluminium ingot for matrix, according to composition proportion requirement, adds required alloying element, melt out the aluminium alloy cast ingot of the required trade mark, but this preparation method's cost is very high; The each method of another kind of system uses aluminium scrap material to prepare, with the scrap stock in the aluminium scrap part retrieved or production aluminum products process and aluminium scrap line etc. for main Yuan Cai section, the secondary aluminum of conformance with standard requirement is produced through melting preparation, but this method exists, and efficiency is low, of poor quality, Environmental capacity is bad, the problems such as environmental pollution is serious.
Summary of the invention
The technical problem to be solved in the present invention is the above-mentioned defect how overcoming prior art, provides a kind of high purity aluminum alloy ingot casting and the production technique thereof with stability property.
For solving the problems of the technologies described above, the master metal auxiliary material element components that the high purity aluminum alloy ingot casting originally with stability property contains and each composition weight percentage part than scope are:
| Silicon | 6.9～7.3% |
| Copper | 4.1～4.8% |
| Zinc | 2.5～3.8% |
| Iron | 1.0～2.2% |
| Manganese | 0.8～1.3% |
| Tweezer | 0.8～1.3% |
| Tin | 0.45～0.75% |
| Antimony | 0.2～0.25% |
| Magnesium | 0.1～0.3% |
Surplus is aluminium.
As optimum ratio, the master metal auxiliary material element components that this aluminium alloy cast ingot contains and each composition weight percentage part ratio are:
| Silicon | 6.9% |
| Copper | 4.8% |
| Zinc | 2.5% |
| Iron | 2.2% |
| Manganese | 1.3% |
| Tweezer | 0.8% |
| Tin | 0.75% |
| Antimony | 0.2% |
| Magnesium | 0.3% |
Surplus is aluminium.
As optimum ratio, the master metal auxiliary material element components that this aluminium alloy cast ingot contains and each composition weight percentage part ratio are:
| Silicon | 7.3% |
| Copper | 4.1% |
| Zinc | 3.8% |
| Iron | 1.0% |
| Manganese | 0.8% |
| Tweezer | 1.3% |
| Tin | 0.45% |
| Antimony | 0.25% |
| Magnesium | 0.1% |
Surplus is aluminium.
As optimum ratio, the master metal auxiliary material element components that this aluminium alloy cast ingot contains and each composition weight percentage part ratio are:
| Silicon | 7.1% |
| Copper | 4.4% |
| Zinc | 3.2% |
| Iron | 1.6% |
| Manganese | 1.0% |
| Tweezer | 1.1% |
| Tin | 0.6% |
| Antimony | 1.22% |
| Magnesium | 0.2% |
Surplus is aluminium.
The high purity aluminum alloy ingot casting with stability property described in production technique originally with the high purity aluminum alloy ingot casting of stability property is the above-mentioned high purity aluminum alloy ingot casting with stability property, and this technique comprises the following steps,
(1) raw material pre-treatment:
Utilize screening machine for waste aluminium scraps by the aluminium scrap material sorting of different sizes; The raw material of sorting is carried out by different size classified storage;
(2) prepare burden:
Require to carry out proportioning with standby raw material according to each metallic element per-cent of product;
(3) slightly refine:
Preheated by 60% good for proportioning raw material, temperature range is: 300 ~ 500 ° of C; Raw material after preheating is sent into smelting furnace, and the raw material added by heat temperature raising fusing, makes raw material become melt; Melting temperature range is: 650 ~ 750 ° of C, smelting time is: 3 ~ 5h.
(4) product postprocessing
Oxidation sludge floating for bath surface is taken off; Abundant stirring, makes each site component of aluminium liquid of melting even;
(5) refining:
Aluminium liquid is forwarded to refining furnace from smelting furnace; Add silicon, copper material; Silicon, copper material added by heat temperature raising fusing; Molten silicon, copper temperature range are: 650 ~ 700 ° of C; Stir, make each site component of aluminium liquid of melting even; Temperature of aluminum liquid is adjusted to 680 ~ 710.C degasification is removed slag;
(6) cool:
Refining furnace is lowered the temperature and is left standstill 3 ~ 5h.
The present invention is a kind of has that the clear process of the high purity aluminum alloy ingot casting of stability property and production technique thereof is simple, cost is cheap, obtained aluminium ingot casting has high purity and physical and chemical stability, is widely used in materials application based on aluminium extruded, aluminium note industry.
Embodiment
Embodiment 1: production method and the technique originally with the high purity aluminum alloy ingot casting of stability property comprise the following steps,
(1) raw material pre-treatment:
Utilize screening machine for waste aluminium scraps by the aluminium scrap material sorting of different sizes; The raw material of sorting is carried out by different size classified storage;
(2) prepare burden:
Prepare burden by feed composition as follows and per-cent requirement:
| Silicon | 6.9% |
| Copper | 4.8% |
| Zinc | 2.5% |
| Iron | 2.2% |
| Manganese | 1.3% |
| Tweezer | 0.8% |
| Tin | 0.75% |
| Antimony | 0.2% |
| Magnesium | 0.3% |
Surplus is aluminium.
(3) slightly refine:
Preheated by 60% good for proportioning raw material, temperature range is: 300 ~ 500 ° of C; Raw material after preheating is sent into smelting furnace, and the raw material added by heat temperature raising fusing, makes raw material become melt; Melting temperature range is: 650 ~ 750 ° of C, smelting time is: 3 ~ 5h.
(4) product postprocessing
Oxidation sludge floating for bath surface is taken off; Abundant stirring, makes each site component of aluminium liquid of melting even;
(5) refining:
Aluminium liquid is forwarded to refining furnace from smelting furnace; Add silicon, copper material; Silicon, copper material added by heat temperature raising fusing; Molten silicon, copper temperature range are: 650 ~ 700 ° of C; Stir, make each site component of aluminium liquid of melting even; Temperature of aluminum liquid is adjusted to 680 ~ 710.C degasification is removed slag;
(6) cool:
Refining furnace is lowered the temperature and is left standstill 3 ~ 5h.
Embodiment 2:
Prepare burden by feed composition as follows and per-cent requirement:
| Silicon | 7.3% |
| Copper | 4.1% |
| Zinc | 3.8% |
| Iron | 1.0% |
| Manganese | 0.8% |
| Tweezer | 1.3% |
| Tin | 0.45% |
| Antimony | 0.25% |
| Magnesium | 0.1% |
Surplus is aluminium.
All the other steps as described in Example 1, are omited.
Embodiment 3:
Prepare burden by feed composition as follows and per-cent requirement:
| Silicon | 7.1% |
| Copper | 4.4% |
| Zinc | 3.2% |
| Iron | 1.6% |
| Manganese | 1.0% |
| Tweezer | 1.1% |
| Tin | 0.6% |
| Antimony | 1.22% |
| Magnesium | 0.2% |
Surplus is aluminium.
Above-mentioned embodiment is intended to illustrate that the present invention can be professional and technical personnel in the field and realizes or use; modifying to above-mentioned embodiment will be apparent for those skilled in the art; therefore the present invention includes but be not limited to above-mentioned embodiment; any these claims or specification sheets of meeting describes; meet and principle disclosed herein and novelty, the method for inventive features, technique, product, all fall within protection scope of the present invention.
Claims (4)
1. there is a high purity aluminum alloy ingot casting for stability property, it is characterized in that: the master metal auxiliary material element components that this aluminium alloy cast ingot contains and each composition weight percentage part than scope are:
The described preparation technology with the high purity aluminum alloy ingot casting of stability property comprises the following steps,
(1) raw material pre-treatment:
Utilize screening machine for waste aluminium scraps by the aluminium scrap material sorting of different sizes; The raw material of sorting is carried out by different size classified storage;
(2) prepare burden:
Require to carry out proportioning with standby raw material according to each metallic element per-cent of product;
(3) slightly refine:
Preheated by 60% good for proportioning raw material, temperature range is: 300 ~ 500 DEG C; Raw material after preheating is sent into smelting furnace, and the raw material added by heat temperature raising fusing, makes raw material become melt; Melting temperature range is: 650 ~ 750 DEG C, and smelting time is: 3 ~ 5h.
(4) product postprocessing
Oxidation sludge floating for bath surface is taken off; Abundant stirring, makes each site component of aluminium liquid of melting even;
(5) refining:
Aluminium liquid is forwarded to refining furnace from smelting furnace; Add silicon, copper material; Silicon, copper material added by heat temperature raising fusing; Molten silicon, copper temperature range are: 650 ~ 700 DEG C; Stir, make each site component of aluminium liquid of melting even; Temperature of aluminum liquid is adjusted to 680 ~ 710 DEG C of degasification remove slag;
(6) cool:
Refining furnace is lowered the temperature and is left standstill 3 ~ 5h.
2. the high purity aluminum alloy ingot casting with stability property according to claim 1, is characterized in that:
The master metal auxiliary material element components that this aluminium alloy cast ingot contains and each composition weight percentage part ratio are:
3. the high purity aluminum alloy ingot casting with stability property according to claim 1, is characterized in that:
The master metal auxiliary material element components that this aluminium alloy cast ingot contains and each composition weight percentage part ratio are:
4. the high purity aluminum alloy ingot casting with stability property according to claim 1, is characterized in that:
The master metal auxiliary material element components that this aluminium alloy cast ingot contains and each composition weight percentage part ratio are:
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Effective date of registration: 20151022 Address after: 315311, Ningbo, Zhejiang province Cixi Longshan Town East Coastal Zone Applicant after: Cixi City Yi Meijia Aluminum Co., Ltd Address before: 315311, Zhejiang, Ningbo province Cixi Longshan East Industrial Zone tide day road junction Applicant before: Cixi Emeka Electric Appliances Co., Ltd. |
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