A method and system for removing iron elements in recycled aluminum based on a centrifugal casting method

Abstract

The present application belongs to but is not limited to the technical field of metal impurity removal, and particularly relates to a method and system for removing iron elements from recycled aluminum based on a centrifugal casting method, comprising the following steps: S1, raw material preparation: collecting and classifying recycled aluminum raw materials, removing impurities and oil stains therefrom, and ensuring the quality of the raw materials; S2, preheating treatment: heating the recycled aluminum raw materials to a certain temperature to make them reach a suitable casting temperature; S3, centrifugal casting: using a centrifugal casting device to inject the preheated recycled aluminum raw materials into a rotating mold, and making iron elements in the aluminum liquid gather to the mold wall surface through the action of centrifugal force; S4, separation and collection: after the aluminum liquid is cooled and solidified, the casting is taken out of the mold, and the iron element enrichment layer on the surface of the casting is removed through mechanical or chemical methods to obtain recycled aluminum with low iron content; and S5, subsequent treatment: further treating the obtained recycled aluminum with low iron content, including refining and alloying, to meet different application requirements.

Description

TECHNICAL FIELD

[0001] The application belongs to but is not limited to the technical field of metal impurity removal, and particularly relates to a method and system for removing iron elements in recycled aluminum based on a centrifugal casting method. BACKGROUND

[0002] Recycled aluminum is an important secondary resource, and its recycling and reuse are of great significance for resource conservation and environmental protection. However, recycled aluminum often contains a certain amount of iron elements, and the presence of these iron elements not only affects the performance of recycled aluminum, but also limits its application range. Therefore, it is particularly important to develop a technology for effectively removing iron elements in recycled aluminum.

[0003] Patent (CN103572080A) discloses a method for removing iron from aluminum-silicon recycled aluminum, which removes iron, refines grains, and improves the morphology of iron-rich phases. Al-B and Al-Mn master alloys are used as iron removers. Mn and B elements react with Al, Si, and Fe in the aluminum-silicon recycled aluminum to form high-melting-point, high-density particles such as Fe-B and Al-Si-Mn-Fe. A portion of these particles is removed by natural sedimentation, while the remaining portion is mechanically vibrated during the casting process to achieve grain refinement and improve the elongation of the aluminum-silicon recycled aluminum. Patent (CN104674010A) discloses a method for removing harmful elements from the scrap aluminum regeneration process. The recycled scrap aluminum is graded, sorted, and initially modified before being placed in a furnace for low-temperature smelting. During the process, an electromagnetic iron removal stirring device is used for stirring, magnetic adsorption is used to remove iron, and then a decontamination agent is added. After decontamination, the aluminum liquid is skimmed to obtain a qualified pure aluminum solution. Patent (CN1354267A) discloses an electromagnetic separation method for removing iron from aluminum-silicon alloys. Manganese is first added to the eutectic aluminum-silicon alloy, causing the iron to fully precipitate from the melt in the form of a primary iron-rich phase. Under the action of electromagnetic force, the primary iron-rich phase, which behaves differently from the melt, is "expelled" from the melt and separated, where it accumulates on the filter walls and is removed, thereby reducing the iron content in the aluminum-silicon alloy. However, this treatment method still has significant drawbacks. First, the melt must be alloyed to fully precipitate the primary iron-rich phase from the melt, and the addition of alloying elements inevitably contaminates the melt. Second, the treatment method disclosed in this invention utilizes a steady-state magnetic field combined with a direct current or a high-frequency magnetic field, which can easily cause melt instability and low separation efficiency. Third, this method flows the alloy melt through an induced magnetic field pipe during the pouring process, rather than passing current directly through the melt. The present invention directly connects the pulse current to the alloy melt, and the high-speed electron flow directly acts on the Al element and Fe element in the melt, rather than the iron-rich phase in the melt. The purpose of purifying the recycled aluminum melt is achieved by utilizing the difference in the migration direction of the Al element and the Fe element under the action of the pulse current. The above-mentioned separation methods have their own advantages and disadvantages. The common problems are complicated operation, long time cycle, low efficiency, and the need to add intermediate elements to the melt as iron removers, which will further pollute the aluminum alloy melt. With the continuous development of the recycled aluminum industry and the improvement of the quality requirements of high-performance aluminum alloys, the restrictions on the impurity iron content in aluminum alloys are becoming more and more stringent, and there is an urgent need to develop new iron removal technologies.

[0004] In view of the above analysis, the technical problems that need to be solved urgently in the existing technology are:

[0005] 1. The iron element is unevenly distributed in the recycled aluminum, resulting in poor removal effect;

[0006] 2. Traditional removal methods (such as chemical methods, electrolysis methods, etc.) have high requirements on equipment, are complex to operate, and are prone to secondary pollution;

[0007] 3. In the centrifugal casting process, how to ensure the effective separation of iron elements from aluminum and avoid the re-mixing of iron elements into the aluminum liquid is a technical difficulty. SUMMARY

[0008] In view of the problems existing in the prior art, the application provides a method and system for removing iron elements from recycled aluminum based on a centrifugal casting method.

[0009] The application is implemented as follows: a method for removing iron elements from recycled aluminum based on a centrifugal casting method, comprising:

[0010] S1, raw material preparation: collecting and classifying the recycled aluminum raw material, removing impurities and oil stains therefrom, and ensuring the quality of the raw material, wherein the quality control standard of the raw material is that the impurity content is not more than 0.5% and the oil stain content is not more than 0.3%.

[0011] S2, preheating treatment: heating the recycled aluminum raw material to 650-700 DEG C to reach a suitable casting temperature.

[0012] S3, centrifugal casting: using a centrifugal casting device to inject the preheated recycled aluminum raw material into a mold with a rotation speed of 800-1000 rpm, and making the iron elements in the aluminum liquid gather to the mold wall surface under the action of centrifugal force; and controlling the casting time to be 5-10 minutes to ensure that the iron elements fully migrate to the mold wall surface.

[0013] S4, separation and collection: after the aluminum liquid is cooled and solidified, the casting is taken out of the mold; and the iron element enrichment layer on the surface of the casting is removed by a mechanical method (such as turning and planing), the thickness of the iron element enrichment layer is 2-5 mm, and the recycled aluminum with low iron content is obtained, and the iron content is reduced to below 0.1%.

[0014] S5, subsequent treatment: further processing the obtained recycled aluminum with low iron content, such as refining, alloying, etc., to meet different application requirements; the refining temperature is controlled to be between 700 DEG C and 750 DEG C, the refining time is 30-60 minutes, and the refining agent used is a mixture of aluminum chloride and sodium chloride with a proportion of 1:1.

[0015] Further, the specific parameters specifically include:

[0016] Raw material preparation: impurity content ≤0.5%, oil stain content ≤0.3%.

[0017] Preheating temperature: 650-700 DEG C.

[0018] Centrifugal casting: rotation speed 800-1000 rpm, casting time 5-10 minutes.

[0019] Iron element enrichment layer thickness: 2-5 mm.

[0020] Low iron content recycled aluminum: Iron content reduced to below 0.1%.

[0021] Refining temperature: 700°C to 750°C.

[0022] Refining time: 30 to 60 minutes.

[0023] Refining agent: Mixture of aluminum chloride and sodium chloride, ratio 1:1.

[0024] Further, the raw material preparation specifically includes:

[0025] S101. Collection: Collecting recycled aluminum raw materials from various sources such as scrap cars, construction waste, etc.

[0026] S102. Classification: Preliminary classification based on shape, size, and composition of the raw materials for subsequent processing.

[0027] S103. Cleaning: Using clean water or cleaning agents to remove oil, dust, and other impurities on the surface of the raw materials.

[0028] S104. Crushing: For larger raw material blocks, use a crusher to break them down for subsequent heating and melting.

[0029] S105. Screening: Remove non-metallic impurities (such as plastic, rubber, etc.) from the crushed raw materials through a screen.

[0030] Further, the preheating process specifically includes:

[0031] S201. Heating equipment: Use an aluminum melting furnace or similar heating equipment to heat the recycled aluminum raw materials.

[0032] S202. Temperature control: Ensure that the raw materials are heated to the appropriate casting temperature, usually around 660°C (near the melting point of aluminum), through temperature sensors and controllers.

[0033] S203. Melting: During heating, the raw materials gradually melt to form aluminum liquid.

[0034] Further, centrifugal casting specifically includes:

[0035] S301. Centrifugal casting equipment: Choose appropriate centrifugal casting machines to ensure stable operation and sufficient centrifugal force.

[0036] S302. Mould installation: Install the mould on the rotating shaft of the centrifugal casting machine and ensure the sealing and stability of the mould.

[0037] S303. Aluminum liquid injection: When the aluminum liquid reaches the required temperature, inject it into the rotating mould through the pouring system.

[0038] S304. Centrifugal action: The centrifugal casting machine starts rotating, and the resulting centrifugal force causes the iron elements in the aluminum liquid to gather towards the mold wall.

[0039] S305. Cooling: The aluminum liquid gradually cools and solidifies in the mold, forming a casting.

[0040] Further, the separation and collection specifically include:

[0041] S401. Casting removal: After the casting is completely cooled, it is removed from the mold.

[0042] S402. Surface cleaning: Use mechanical methods (such as sanding, sandblasting, etc.) or chemical methods (such as pickling) to remove the iron-rich layer on the surface of the casting.

[0043] S403. Quality inspection: Detect the content of iron elements in the casting by chemical analysis or spectral analysis, etc. to ensure that the requirements are met.

[0044] S404. Collection: Collect the qualified low-iron-content recycled aluminum for subsequent processing.

[0045] Further, the subsequent processing specifically includes:

[0046] S501. Refining: If the content of iron elements in the casting is still high, further refining treatment can be performed, such as adding refining agents, stirring, etc.

[0047] S502. Alloying: According to the application requirements, other metal elements (such as copper, zinc, etc.) can be added to the recycled aluminum for alloying treatment to improve its performance.

[0048] S503. Forming: Process the recycled aluminum into the required shape and size, such as plate, bar, etc.

[0049] S504. Inspection and packaging: Perform quality inspection on the finished product to ensure that it meets the relevant standards and requirements, and then package and store it.

[0050] Another object of the present application is to provide a centrifugal casting-based recycled aluminum iron element removal system for realizing the centrifugal casting-based recycled aluminum iron element removal method, comprising:

[0051] Raw material preparation module: Collect and classify the recycled aluminum raw materials, remove impurities and oil stains, and ensure the quality of the raw materials;

[0052] Preheating module: Heat the recycled aluminum raw materials to a certain temperature to make them reach the appropriate casting temperature;

[0053] Centrifugal casting module: using centrifugal casting equipment, preheated recycled aluminum raw materials are injected into the rotating mold, and the iron elements in the aluminum liquid are gathered to the mold wall surface through the action of centrifugal force;

[0054] Separation and collection module: after the aluminum liquid is cooled and solidified, the castings are taken out from the mold, and the iron element enrichment layer on the surface of the castings is removed by mechanical or chemical method, to obtain recycled aluminum with low iron content;

[0055] Subsequent processing module: the recycled aluminum with low iron content is further processed, such as refining, alloying, etc., to meet different application requirements.

[0056] Another object of the present application is to provide a computer device comprising a memory and a processor, the memory storing a computer program, the computer program being executed by the processor to make the processor execute the steps of the method for removing iron elements in recycled aluminum based on the centrifugal casting method.

[0057] Another object of the present application is to provide a computer readable storage medium storing a computer program, the computer program being executed by the processor to make the processor execute the steps of the method for removing iron elements in recycled aluminum based on the centrifugal casting method.

[0058] Another object of the present application is to provide an information data processing terminal comprising the system for removing iron elements in recycled aluminum based on the centrifugal casting method.

[0059] In combination with the above technical solutions and the technical problems solved, the technical solution to be protected by the present application has the following advantages and positive effects:

[0060] Firstly, the present application can effectively remove iron elements in recycled aluminum: through the centrifugal casting method, the iron elements in the aluminum liquid can be gathered to the mold wall surface, thereby realizing effective separation of iron elements and aluminum;

[0061] Improve the performance of recycled aluminum: after removing the iron elements, the purity of the recycled aluminum is improved, and its mechanical properties, corrosion resistance and other properties are also improved accordingly;

[0062] Simplify the operation process: compared with the traditional removal method, the centrifugal casting method does not require complex equipment and operation process, thereby reducing the production cost;

[0063] Environment-friendly and energy-saving: the centrifugal casting method does not need to use chemical reagents, thereby reducing the pollution to the environment; at the same time, by improving the utilization rate of recycled aluminum, the energy consumption is reduced.

[0064] The application realizes the effective separation of iron elements and aluminum by the effect of centrifugal force, which makes the iron elements in the molten aluminum gather to the mold wall. The method is simple to operate, low in cost, environmentally friendly and energy-saving, and has a broad application prospect. In practical application, the technical scheme can be properly adjusted and optimized according to specific needs to improve the removal effect and product quality.

[0065] Secondly, the application refines and optimizes the method for removing iron elements from recycled aluminum based on the centrifugal casting method, solving the problems of high iron content, low removal efficiency and complex process in the prior art. First, through strict classification and preheating treatment of the recycled aluminum raw materials, the purity and suitable casting temperature of the raw materials are ensured, reducing the interference of impurities in the casting process, thereby improving the casting quality and the removal effect of iron elements. Specifically, the impurity content of the raw materials is controlled to be not more than 0.5%, the oil stain content is not more than 0.3%, and the preheating temperature is controlled to be between 650°C and 700°C.

[0066] By optimizing the centrifugal casting parameters such as rotation speed and casting time, the removal efficiency of iron elements is significantly improved. The centrifugal casting equipment with a rotation speed of 800 to 1000 revolutions per minute is adopted, and the casting time is controlled to be 5 to 10 minutes, so that the centrifugal force is effectively utilized to make the iron elements fully migrate to the mold wall. Through this optimization, the iron elements can more concentratedly gather on the surface of the casting to form an enrichment layer, making the subsequent mechanical separation more convenient and efficient.

[0067] The iron element enrichment layer on the surface of the casting is removed by mechanical methods such as turning and planing, effectively reducing the iron content in the recycled aluminum. The thickness of the iron element enrichment layer is controlled to be 2 to 5 mm, ensuring the uniformity and thoroughness of the removal layer. Finally, the iron content of the obtained recycled aluminum can be reduced to below 0.1%, greatly improving the purity and quality of the recycled aluminum, meeting the requirements of high-quality aluminum alloy manufacturing.

[0068] The application realizes the efficient removal of iron elements from recycled aluminum and significantly improves the quality of recycled aluminum through systematic process optimization. This not only simplifies the process flow and improves the removal efficiency, but also significantly reduces production cost and energy consumption, having high industrial application value and market promotion prospect. Compared with the prior art, the application has made significant technical progress in the field of removing iron elements from recycled aluminum, solving the long-standing technical problems and providing reliable technical support for the efficient utilization and sustainable development of recycled aluminum. BRIEF DESCRIPTION OF DRAWINGS

[0069] Figure 1 is a flow chart of the method for removing iron elements from recycled aluminum based on the centrifugal casting method provided by the embodiment of the application;

[0070] Figure 2 is a raw material preparation schematic diagram provided by the embodiment of the application;

[0071] Figure 3 is a preheating process schematic diagram provided by the embodiment of the present application;

[0072] Figure 4 is a centrifugal casting schematic diagram provided by the embodiment of the present application;

[0073] Figure 5 is a separation and collection schematic diagram provided by the embodiment of the present application;

[0074] Figure 6 is a subsequent processing schematic diagram provided by the embodiment of the present application;

[0075] Figure 7 shows the change trend of the process effect of removing iron elements in recycled aluminum;

[0076] Figure 8 is an architecture diagram provided by the embodiment of the present application. DETAILED DESCRIPTION

[0077] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application is further described in detail below in combination with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0078] As shown in Figure 1 , the method for removing iron elements in recycled aluminum based on the centrifugal casting method provided by the embodiment of the present application comprises:

[0079] S1, raw material preparation: collecting and classifying the recycled aluminum raw material, removing impurities and oil stains therefrom, and ensuring the quality of the raw material, wherein the quality control standard of the raw material is that the impurity content is not more than 0.5% and the oil stain content is not more than 0.3%.

[0080] S2, preheating process: heating the recycled aluminum raw material to 650-700℃ to reach a suitable casting temperature.

[0081] S3, centrifugal casting: using a centrifugal casting device to inject the preheated recycled aluminum raw material into a mold with a rotation speed of 800-1000 rpm, so that the iron elements in the aluminum liquid are gathered to the mold wall surface under the action of centrifugal force; and the casting time is controlled to be 5-10 minutes to ensure that the iron elements are fully migrated to the mold wall surface.

[0082] S4, separation and collection: after the aluminum liquid is cooled and solidified, the casting is taken out of the mold; and the iron element enrichment layer on the surface of the casting is removed by a mechanical method (such as turning and planing), wherein the thickness of the iron element enrichment layer is 2-5 mm, and the recycled aluminum with low iron content is obtained, and the iron content is reduced to below 0.1%.

[0083] S5, subsequent processing: further processing of the obtained low-iron-content recycled aluminum, such as refining, alloying, etc., to meet different application requirements; the refining temperature is controlled between 700°C and 750°C, the refining time is 30 to 60 minutes, and the refining agent used is a mixture of aluminum chloride and sodium chloride with a ratio of 1:1.

[0084] Further, the specific parameters specifically include:

[0085] Raw material preparation: impurity content ≤0.5%, oil content ≤0.3%.

[0086] Preheating temperature: 650°C to 700°C.

[0087] Centrifugal casting: rotation speed 800 to 1000 rpm, casting time 5 to 10 minutes.

[0088] Iron-rich layer thickness: 2 to 5 mm.

[0089] Low-iron-content recycled aluminum: iron content reduced to below 0.1%.

[0090] Refining temperature: 700°C to 750°C.

[0091] Refining time: 30 to 60 minutes.

[0092] Refining agent: mixture of aluminum chloride and sodium chloride with a ratio of 1:1.

[0093] As shown in Figure 2 , raw material preparation specifically includes:

[0094] S101. Collect: Collect recycled aluminum raw materials from various sources (such as scrap cars, construction waste, etc.).

[0095] S102. Classification: Preliminary classification according to the shape, size and composition of the raw materials for subsequent processing.

[0096] S103. Cleaning: Use clean water or cleaning agent to remove oil, dust and other impurities on the surface of the raw materials.

[0097] S104. Crushing: For larger raw material blocks, use a crusher for crushing to facilitate subsequent heating and melting.

[0098] S105. Screening: Remove non-metallic impurities (such as plastic, rubber, etc.) from the crushed raw materials through a screen.

[0099] As shown in Figure 3 , preheating treatment specifically includes:

[0100] S201. Heating equipment: Use an aluminum melting furnace or similar heating equipment to heat the recycled aluminum raw materials.

[0101] S202. Temperature control: Ensure the raw materials are heated to the appropriate casting temperature, typically around 660°C (near the melting point of aluminum), through temperature sensors and controllers.

[0102] S203. Melting: During heating, the raw materials gradually melt to form molten aluminum.

[0103] As shown in the figure, centrifugal casting specifically includes: Figure 4

[0104] S301. Centrifugal casting equipment: Choose appropriate centrifugal casting machine to ensure stable operation and generate sufficient centrifugal force.

[0105] S302. Mold installation: Install the mold on the rotating shaft of the centrifugal casting machine and ensure the sealing and stability of the mold.

[0106] S303. Molten aluminum injection: When the temperature of the molten aluminum reaches the required temperature, it is injected into the rotating mold through the pouring system.

[0107] S304. Centrifugal effect: The centrifugal casting machine starts to rotate, generating centrifugal force that causes the iron elements in the molten aluminum to gather towards the mold wall.

[0108] S305. Cooling: The molten aluminum gradually cools and solidifies in the mold to form the casting.

[0109] As shown in the figure, separation and collection specifically includes: Figure 5

[0110] S401. Casting removal: After the casting is completely cooled, it is removed from the mold.

[0111] S402. Surface cleaning: Use mechanical methods (such as sanding, sandblasting, etc.) or chemical methods (such as pickling) to remove the iron-rich layer on the surface of the casting.

[0112] S403. Quality inspection: Detect the content of iron elements in the casting through chemical analysis or spectral analysis, etc. to ensure that the requirements are met.

[0113] S404. Collection: Collect the qualified low-iron-content recycled aluminum for subsequent processing.

[0114] As shown in the figure, subsequent processing specifically includes: Figure 6

[0115] S501. Refining: If the content of iron elements in the casting is still high, further refining treatment can be carried out, such as adding refining agents, stirring, etc.

[0116] ​​​S502. Alloying: Depending on the application requirements, other metal elements (such as copper, zinc, etc.) can be added to the recycled aluminum for alloying treatment to improve its performance.

[0117] S503. Forming: The recycled aluminum is processed into the required shape and size, such as plates, rods, etc.

[0118] S504. Inspection and packaging: The finished product is subjected to quality inspection to ensure that it meets relevant standards and requirements, and then packaged and stored.

[0119] As Figure 7 shown, the system for removing iron elements from recycled aluminum based on the centrifugal casting method provided by the embodiments of the present application includes:

[0120] Raw material preparation module: Collect and classify the recycled aluminum raw materials, remove impurities and oil stains, and ensure the quality of the raw materials;

[0121] Preheating module: Heat the recycled aluminum raw materials to a certain temperature to achieve the appropriate casting temperature;

[0122] Centrifugal casting module: Use centrifugal casting equipment to inject the preheated recycled aluminum raw materials into a rotating mold, and use centrifugal force to make the iron elements in the aluminum liquid gather on the mold wall;

[0123] Separation and collection module: After the aluminum liquid cools and solidifies, the casting is taken out of the mold, and the iron element-rich layer on the surface of the casting is removed by mechanical or chemical methods to obtain recycled aluminum with low iron content;

[0124] Subsequent processing module: Further process the low-iron-content recycled aluminum, such as refining, alloying, etc., to meet different application requirements.

[0125] Example 1: Application of high plasticity aluminum alloy in automobile manufacturing

[0126] Background:

[0127] In the automobile manufacturing industry, aluminum alloys are widely used in the manufacture of vehicle body structures and components due to their lightweight and excellent mechanical properties. By using high plasticity aluminum alloys, the weight of the vehicle body can be significantly reduced, improving fuel efficiency and vehicle performance.

[0128] Implementation steps

[0129] 1. Material selection and preparation

[0130] Select raw materials: Use recycled aluminum waste as raw materials, and go through the steps of pretreatment, smelting purification, alloy composition adjustment, casting, and heat treatment, etc. to prepare aluminum alloy materials with high plasticity and excellent mechanical properties.

[0131] 2. Component manufacturing

[0132] Extrusion and rolling: High plasticity aluminum alloy materials are processed into automobile structural parts and components through extrusion and rolling processes.

[0133] Stamping forming: Utilizing the excellent plasticity of high plasticity aluminum alloys, automobile body panels and complex-shaped components are manufactured through stamping processes.

[0134] 3. Assembly and testing

[0135] Welding and assembly: Aluminum alloy components are welded and assembled into body frames and other structural parts.

[0136] Performance testing: Mechanical properties, corrosion resistance, and fatigue life of manufactured aluminum alloy components are tested to ensure they meet automotive manufacturing standards and requirements.

[0137] Implementation effects

[0138] Weight reduction and efficiency improvement: The use of high plasticity aluminum alloy materials reduces the overall weight of the vehicle, improves fuel efficiency, and enhances vehicle performance.

[0139] Environmental protection and energy saving: The use of recycled aluminum reduces dependence on primary aluminum resources, reduces production costs and energy consumption, and meets environmental protection requirements.

[0140] Example 2: Application of high plasticity aluminum alloy in building curtain wall

[0141] Background

[0142] In modern architecture, curtain wall systems not only serve as exterior wall decoration, but also provide structural support and energy-saving insulation. High plasticity aluminum alloys, due to their lightweight, corrosion resistance, and easy processing, have become an important material for building curtain walls.

[0143] Implementation steps

[0144] 1. Material preparation

[0145] Select raw materials: Recycled aluminum waste is used to prepare high plasticity aluminum alloy materials through steps such as pretreatment, melting and purification, alloy composition adjustment, casting, and heat treatment.

[0146] 2. Curtain wall component manufacturing

[0147] Profile extrusion: High plasticity aluminum alloy materials are processed into curtain wall profiles using extrusion processes.

[0148] Plate processing: High plasticity aluminum alloy materials are processed into curtain wall plates through rolling processes.

[0149] 3. Curtain wall system installation

[0150] Structural Design: According to the architectural design requirements, design the structure and connection mode of the curtain wall system.

[0151] On-site Installation: Transport the extruded profiles and panels to the construction site for on-site assembly and installation, ensuring the stability and aesthetics of the curtain wall system.

[0152] 4. Inspection and Maintenance

[0153] Performance Testing: Test the installed curtain wall system for wind pressure, water tightness, air tightness, and thermal insulation performance to ensure compliance with building codes.

[0154] Routine Maintenance: Regularly clean and inspect the curtain wall system to ensure its long-term safety and aesthetics.

[0155] Implementation Effect

[0156] Aesthetically pleasing and durable: High plasticity aluminum alloy material makes the curtain wall system have a beautiful appearance and long-lasting durability.

[0157] Lightweight and high-strength: Aluminum alloy material reduces the weight of the curtain wall system, improving the overall safety of the building.

[0158] Environmentally friendly and energy-saving: Using recycled aluminum materials reduces environmental load and energy consumption, meeting the requirements of green building.

[0159] Through the above two specific application examples, it can be seen that the application of high plasticity aluminum alloy in automobile manufacturing and building curtain walls not only improves the performance and quality of the product, but also has significant environmental and economic benefits, reflecting the wide application prospect and technical advantages of the invention.

[0160] The application embodiment of the present application provides a computer device, which comprises a memory and a processor, the memory stores a computer program, and the computer program is executed by the processor to make the processor execute the steps of the method for removing iron elements in recycled aluminum based on the centrifugal casting method.

[0161] The application embodiment of the present application provides a computer readable storage medium, which stores a computer program, and the computer program is executed by the processor to make the processor execute the steps of the method for removing iron elements in recycled aluminum based on the centrifugal casting method.

[0162] The application embodiment of the present application provides an information data processing terminal, which comprises a system for removing iron elements in recycled aluminum based on the centrifugal casting method.

[0163] Figure 7 It shows the change trend of the effect of the iron element removal process in recycled aluminum. It is mainly divided into two parts:

[0164] 1. Impurity level (blue line):

[0165] The horizontal axis represents the process steps: raw material preparation, pre-treatment, centrifugal casting, separation and collection, post-treatment.

[0166] The vertical axis represents the impurity level (%), which gradually decreases from 5% to 0.1%.

[0167] 2. Removal efficiency (red line, dotted line):

[0168] The horizontal axis also represents the process steps.

[0169] The vertical axis represents the removal efficiency (%), which gradually increases from 50% to 95%.

[0170] The Figure 7 It is shown figuratively that the removal efficiency of iron in the recycled aluminum is gradually enhanced through the various process steps, which significantly reduces the impurity level and improves the removal efficiency.

[0171] It should be noted that the embodiments of the present application can be realized by hardware, software or a combination of software and hardware. The hardware part can be realized by special logic; the software part can be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or a specially designed hardware. Those skilled in the art can understand that the above-mentioned devices and methods can be realized by computer executable instructions and / or included in processor control code, such as provided on a carrier medium, such as a magnetic disk, CD or DVD-ROM, a programmable memory, such as a read-only memory (firmware), or a data carrier, such as an optical or electronic signal carrier. The devices of the present application and their modules can be realized by hardware circuits, such as very large scale integrated circuits or gate arrays, semiconductors, such as logic chips, transistors, etc., or programmable hardware devices, such as field programmable gate arrays, programmable logic devices, etc., by software executed by various types of processors, or by a combination of the above-mentioned hardware circuits and software, such as firmware.

[0172] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any modification, equivalent replacement and improvement made by those skilled in the art within the technical range disclosed by the present application, which is within the spirit and principles of the present application, should be covered within the protection scope of the present application.

Claims

1. A method for removing iron elements in recycled aluminum based on a centrifugal casting method, characterized by, Comprise: S1, raw material preparation: collect and classify the recycled aluminum raw materials, remove impurities and oil stains, ensure the quality of the raw materials, the quality control standard is that the impurity content is not more than 0.5%, the oil stain content is not more than 0.3%; S2, preheating treatment: heat the recycled aluminum raw materials to 650-700℃ to reach the appropriate casting temperature; S3, centrifugal casting: using centrifugal casting equipment, the preheated recycled aluminum raw materials are injected into the mold with a rotating speed of 800-1000 rpm, and the iron elements in the aluminum liquid are gathered to the mold wall surface by the action of centrifugal force; control the casting time for 5-10 minutes to ensure that the iron elements fully migrate to the mold wall surface; S4, separation and collection: after the aluminum liquid cools and solidifies, the casting is taken out of the mold; the iron element enrichment layer on the surface of the casting is removed by mechanical method, the thickness of the iron element enrichment layer is 2-5 mm, and the recycled aluminum with low iron content is obtained, and the iron content is reduced to below 0.1%; S5, subsequent treatment: the obtained recycled aluminum with low iron content is further treated, including refining, alloying, etc., to meet different application requirements; the refining temperature is controlled between 700-750℃, the refining time is 30-60 minutes, and the refining agent used is a mixture of aluminum chloride and sodium chloride with a ratio of 1:1; Specific parameters include: Raw material preparation: impurity content ≤0.5%, oil stain content ≤0.3%; Preheating temperature: 650-700℃; Centrifugal casting: rotating speed 800-1000 rpm, casting time 5-10 minutes; Iron element enrichment layer thickness: 2-5 mm; Low iron content recycled aluminum: iron content reduced to below 0.1%; Refining temperature: 700-750℃; Refining time: 30-60 minutes; Refining agent: a mixture of aluminum chloride and sodium chloride, ratio 1:

1.

2. The method for removing iron elements in recycled aluminum based on a centrifugal casting method according to claim 1, characterized by, Raw material preparation specifically includes: S101. Collection: collect recycled aluminum raw materials from various channels; S102. Classification: preliminary classification according to the shape, size and composition of the raw materials for subsequent processing; S103. Cleaning: use clean water or cleaning agent to remove oil stains and dust impurities on the surface of the raw materials; S104. Crushing: for larger raw material blocks, use a crusher for crushing to facilitate subsequent heating and melting; S105. Screening: remove non-metallic impurities in the crushed raw materials through a screen.

3. The method for removing iron elements in recycled aluminum based on a centrifugal casting method according to claim 1, characterized by, Preheating treatment specifically includes: S201. Heating equipment: use an aluminum melting furnace or similar heating equipment to heat the recycled aluminum raw materials; S202. Temperature control: use temperature sensors and controllers to ensure that the raw materials are heated to the appropriate casting temperature, usually 660℃; S203. Melting: during heating, the raw materials gradually melt to form aluminum liquid.

4. The method for removing iron elements in recycled aluminum based on a centrifugal casting method according to claim 1, characterized by, Centrifugal casting specifically includes: S301. Centrifugal casting equipment: choose appropriate centrifugal casting machine to ensure stable operation and generate sufficient centrifugal force; S302. Mold installation: install the mold on the rotating shaft of the centrifugal casting machine and ensure the sealing and stability of the mold; S303. Aluminum liquid injection: when the aluminum liquid temperature reaches the required value, it is injected into the rotating mold through the pouring system; S304. Centrifugal action: the centrifugal casting machine starts rotating, and the centrifugal force generated causes the iron elements in the aluminum liquid to gather towards the mold wall; S305. Cooling: the aluminum liquid gradually cools and solidifies in the mold, forming a casting.

5. The method for removing iron elements in recycled aluminum based on a centrifugal casting method according to claim 1, characterized by, Separation and collection specifically includes: S401. Casting removal: after the casting is completely cooled, it is removed from the mold; S402. Surface cleaning: using mechanical or chemical methods to remove the iron element enrichment layer on the surface of the casting; S403. Quality detection: detecting the content of iron elements in the casting through chemical analysis or spectral analysis method to ensure that the requirements are met; S404. Collection: collecting qualified low-iron-content recycled aluminum for subsequent processing.

6. The method for removing iron elements in recycled aluminum based on a centrifugal casting method according to claim 1, characterized by, Subsequent processing specifically includes: S501. Refining: if the content of iron elements in the casting is still high, further refining treatment can be carried out, including adding refining agent and stirring; S502. Alloying: according to application requirements, other metal elements can be added to the recycled aluminum for alloying treatment to improve its performance; S503. Forming: the recycled aluminum is processed into the required shape and size, including plates and rods; S504. Detection and packaging: the finished product is subjected to quality detection to ensure that it meets the relevant standards and requirements, and then is packaged and stored.

7. A system for removing iron from recycled aluminum based on a centrifugal casting method according to any one of claims 1 to 6, characterized by, Including: Raw material preparation module: collecting and classifying the recycled aluminum raw materials, removing impurities and oil stains to ensure the quality of the raw materials; Preheating treatment module: heating the recycled aluminum raw materials to a certain temperature to make them reach the appropriate casting temperature; Centrifugal casting module: using centrifugal casting equipment, the preheated recycled aluminum raw materials are injected into the rotating mold, and the iron elements in the aluminum liquid are gathered towards the mold wall through the action of centrifugal force; Separation and collection module: after the aluminum liquid cools and solidifies, the casting is removed from the mold, and the iron element enrichment layer on the surface of the casting is removed by mechanical or chemical methods to obtain low-iron-content recycled aluminum; Subsequent processing module: the obtained low-iron-content recycled aluminum is further processed, including refining and alloying, to meet different application requirements.

8. A computer device, the computer device comprising a memory and a processor, the memory storing a computer program, the computer program being executed by the processor to cause the processor to execute the steps of the method for removing iron elements from recycled aluminum based on the centrifugal casting method according to any one of claims 1-6.

9. An information data processing terminal, the information data processing terminal comprising the system for removing iron elements from recycled aluminum based on the centrifugal casting method according to claim 7.

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