Aluminum magnesium alloy production process

Abstract

The invention discloses an aluminum magnesium alloy production process which comprises the following steps: S1, preparing molten aluminum for later use: storing the molten aluminum into a molten aluminum storage furnace for later use; s2, aluminum and magnesium neutralization is conducted, specifically, the aluminum water in the aluminum water storage furnace is taken and injected into a neutralization furnace, and magnesium is added for mixing; s3, slag is removed, waste gas is discharged, slag in the aluminum-magnesium mixture is removed, and the waste gas is purified through a waste gas treatment device and then discharged into the atmosphere; s4, drawing forming is conducted, S5, drawing treatment is conducted, and the formed aluminum-magnesium forming material is subjected to drawing forming through a drawing treatment process; s6, tempering treatment is conducted, specifically, the material obtained after drawing forming is subjected to tempering treatment, and the stability of the material is enhanced; and S7, packaging and warehousing are conducted, in the waste residue treatment process, composite residues are added for multiple times, then the residues are scraped, residues and oxides in the solution are thoroughly removed, the aluminum magnesium alloy material obtained after solution cooling forming is free of impurities, and the quality of the aluminum magnesium alloy is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum-magnesium alloy production, and in particular to an aluminum-magnesium alloy production process. Background Art

[0002] The main element of aluminum-magnesium alloy aluminum wire is aluminum, and a small amount of magnesium or other metal materials are added to enhance its hardness. Aluminum alloy wire with Mg as the main added element has good corrosion resistance, good tensile strength, and elongation performance. Tensile strength (Mpa) ≥ 220, elongation (%) ≥ 7 Note: Longitudinal mechanical and physical properties of wire at room temperature. Also known as rust-proof aluminum alloy. Because it is a metal itself, its thermal conductivity and strength are particularly outstanding. Aluminum-magnesium alloy aluminum wire is strong and light, has low density, good heat dissipation, and strong compressive resistance. It can fully meet the requirements of 3C products for high integration, thinness, miniaturization, anti-fall and collision, electromagnetic shielding and heat dissipation. The strength is close to that of copper wire, but the specific gravity is less than one-third of the latter. Summary of the invention

[0003] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide an aluminum-magnesium alloy production process. In the process of waste slag treatment, composite slag is added multiple times and then the slag is scraped off to thoroughly remove the residue and oxide in the solution, so that the aluminum-magnesium alloy material after the solution is cooled and formed is free of impurities, thereby effectively improving the quality of the aluminum-magnesium alloy.

[0004] The present invention also provides an aluminum-magnesium alloy production process as described above, comprising: S1, aluminum liquid standby, storing the aluminum liquid in an aluminum liquid storage furnace for standby; S2, aluminum-magnesium neutralization, taking the aluminum liquid in the aluminum liquid storage furnace and injecting it into the neutralization furnace, and adding magnesium for mixing; S3, removing slag and discharging waste gas, removing the slag in the aluminum-magnesium mixture, and purifying the waste gas through a waste gas treatment device and then discharging it into the atmosphere; S4, wire drawing, shaping the aluminum-magnesium mixture by cooling treatment; S5, drawing treatment, drawing and shaping the shaped aluminum-magnesium molding material through a drawing treatment process; S6, tempering treatment, tempering the drawn and shaped material to enhance the stability of the material; S7, packaging and warehousing, packaging and packaging the finished materials and then storing them uniformly.

[0005] According to an aluminum-magnesium alloy production process provided by the present invention, the smelting temperature in the aluminum-magnesium neutralization step is set to 850° C. to 1000° C., and the smelting time is 40 minutes.

[0006] According to an aluminum-magnesium alloy production process provided by the present invention, the profile specification obtained after the wire drawing forming process is Φ9.5mm to Φ1.5mm.

[0007] According to a production process of aluminum-magnesium alloy provided by the present invention, in the drawing process, an aluminum-magnesium alloy rod with a specification of Φ9.5mm is passed through a cold rolling device, the cold rolling speed is set to 4.0m / s, and lubricated with lubricating oil, and the Φ9.5mm aluminum-magnesium alloy rod is cold rolled to Φ9.2mm, and the cold-rolled Φ9.2mm aluminum-magnesium alloy rod is annealed at 450°C and kept warm for 3h. After annealing, single-mode wire drawing is used to produce aluminum-magnesium alloy wires with specifications of Φ4.2mm, Φ3.5mm, Φ2.2mm, Φ1.2mm, Φ0.5mm, and Φ0.1mm.

[0008] According to an aluminum-magnesium alloy production process provided by the present invention, the drawing process lubricates the operating parts with lubricating oil and also plays a role in cooling down. The metal scraps generated during the drawing are mixed with the lubricating oil, and the lubricating oil is circulated and filtered by a filtering device so that the lubricating oil can be recycled.

[0009] According to an aluminum-magnesium alloy production process provided by the present invention, in the wire drawing process, the fully fused aluminum-magnesium solution in the neutralization furnace is led out through a lead-out device by cooling water, and is cooled by water cooling. The cooling water is filtered and cooled before being recycled.

[0010] According to an aluminum-magnesium alloy production process provided by the present invention, the slag is removed by a scraper, and after the first removal, 0.3 kg of composite slag is quickly added to the surface of the alloy liquid. After 0.5 minute, the slag is removed, and then 0.3 kg of composite slag is added to the surface of the alloy liquid. After 0.5 minute, the slag is removed again, and this process is repeated until there is no oxide on the alloy liquid.

[0011] Compared with the prior art, the aluminum-magnesium alloy production process of the present invention, during the waste slag treatment process, adds composite slag multiple times and then scrapes the slag to thoroughly remove the residue and oxides in the solution, so that the aluminum-magnesium alloy material after the solution is cooled and formed is free of impurities, thereby effectively improving the quality of the aluminum-magnesium alloy. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention is further described below in conjunction with the accompanying drawings and embodiments;

[0013] Figure 1 The present invention is a process flow chart of an aluminum-magnesium alloy production process. DETAILED DESCRIPTION

[0014] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0015] Reference Figure 1 , an aluminum-magnesium alloy production process according to an embodiment of the present invention includes: standby aluminum liquid, storing the aluminum liquid in an aluminum liquid storage furnace for standby; S2, aluminum-magnesium neutralization, taking the aluminum liquid in the aluminum liquid storage furnace and injecting it into the neutralization furnace, and adding magnesium for mixing, the smelting temperature in the aluminum-magnesium neutralization process is set to 850°C to 1000°C, and the smelting time is 40 minutes. Removing slag and exhaust gas, removing the slag in the aluminum-magnesium mixture, and purifying the exhaust gas through the exhaust gas treatment device and then discharging it into the atmosphere, removing the slag by scraping the slag, quickly covering the alloy liquid surface with 0.3kg of composite slag after the first removal, removing the slag after 0.5 minutes, and then covering the alloy liquid surface with 0.3kg of composite slag, and then removing the slag after 0.5 minutes, and repeating until there is no oxide on the alloy liquid. Wire drawing forming, the aluminum-magnesium mixture is formed by cooling treatment. The profile specifications obtained after the wire drawing forming process are Φ9.5mm to Φ1.5mm. In the wire drawing forming process, the aluminum-magnesium solution that is fully fused in the neutralization furnace is led out through the lead-out equipment by cooling water, and cooled by water cooling. The cooling water is recycled after filtering and cooling.

[0016] Drawing treatment, through the drawing process, the formed aluminum-magnesium forming material is drawn into a forming material. The drawing treatment is to lubricate the operating parts with lubricating oil, and at the same time play a role in cooling. The metal debris produced by drawing is mixed with the lubricating oil, and the lubricating oil is circulated and filtered by a filtering device to achieve the recycling of the lubricating oil. In the drawing process, the aluminum-magnesium alloy rod with a specification of Φ9.5mm is cold-rolled to Φ9.2mm through cold rolling equipment, the cold rolling speed is set to 4.0m / s, and lubricated with lubricating oil. The aluminum-magnesium alloy rod with a cold rolling of Φ9.2mm is annealed at 450℃ and kept warm for 3h. After annealing, single-mode wire drawing is used to make aluminum-magnesium alloy wires with specifications of Φ4.2mm, Φ3.5mm, Φ2.2mm, Φ1.2mm, Φ0.5mm, and Φ0.1mm.

[0017] Tempering treatment: the drawn materials are tempered to enhance the stability of the materials; the room temperature longitudinal mechanical and physical properties of the wires are as follows: tensile strength (Mpa) ≥ 220, elongation (%) ≥ 7. Packaging and warehousing: the finished materials are packaged and stored uniformly, and the storage environment is controlled by sealing and constant temperature and humidity.

[0018] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A process for producing an aluminum-magnesium alloy, characterized in that: include: S1. molten aluminum is stored in a molten aluminum storage furnace for standby; S2, aluminum-magnesium neutralization, taking the molten aluminum from the molten aluminum storage furnace and injecting it into the neutralization furnace, and adding magnesium to mix; S3, remove slag and discharge waste gas, remove slag in the aluminum-magnesium mixture, and purify the waste gas through the waste gas treatment device and discharge it into the atmosphere; S4, wire drawing and forming, forming the aluminum-magnesium mixture by cooling; S5, drawing treatment, drawing the formed aluminum-magnesium molding material into a molded material through a drawing treatment process; S6, tempering treatment, the drawn material is tempered to enhance the stability of the material; S7, packaging and storage, the finished materials are packaged and stored uniformly.

2. The aluminum-magnesium alloy production process according to claim 1, characterized in that: In the aluminum-magnesium neutralization process, the smelting temperature is set at 850° C. to 1000° C., and the smelting time is 40 minutes.

3. The aluminum-magnesium alloy production process according to claim 1, characterized in that: The wire drawing forming process can obtain a profile with a specification of Φ9.5mm to Φ1.5mm after processing.

4. The aluminum-magnesium alloy production process according to claim 1, characterized in that: In the drawing process, a Φ9.5mm aluminum-magnesium alloy rod is passed through a cold rolling device with a cold rolling speed set to 4.0m / s and lubricated with lubricating oil, and the Φ9.5mm aluminum-magnesium alloy rod is cold rolled to Φ9.2mm. The cold-rolled Φ9.2mm aluminum-magnesium alloy rod is annealed at 450°C and kept warm for 3h. After annealing, single-mode wire drawing is used to produce aluminum-magnesium alloy wires with specifications of Φ4.2mm, Φ3.5mm, Φ2.2mm, Φ1.2mm, Φ0.5mm, and Φ0.1mm.

5. The aluminum-magnesium alloy production process according to claim 1, characterized in that: The drawing process lubricates the operating parts with lubricating oil and plays a role in cooling down. The metal scraps generated by drawing are mixed with the lubricating oil, and the lubricating oil is circulated and filtered by a filtering device to achieve recycling of the lubricating oil.

6. The aluminum-magnesium alloy production process according to claim 1, characterized in that: In the wire drawing process, the fully fused aluminum-magnesium solution in the neutralization furnace is led out through the lead-out device by cooling water, and is cooled by water cooling. The cooling water is filtered and cooled before being recycled.

7. The aluminum-magnesium alloy production process according to claim 1, characterized in that: The slag is removed by a scraper. After the first removal, 0.3 kg of composite slag is quickly added to the surface of the alloy liquid. After 0.5 minute, the slag is removed again. Then 0.3 kg of composite slag is added to the surface of the alloy liquid. After 0.5 minute, the slag is removed again. This is repeated until there is no oxide on the alloy liquid.

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