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Production process of recycled aluminum

A production process and recycled aluminum technology, applied in the direction of stirring devices, lighting and heating equipment, furnace components, etc., can solve the problems of unable to stir the aluminum liquid evenly, high degree of burning of the aluminum liquid, waste of raw materials, etc., and reduce the cost of equipment purchase , Improve the aluminum output rate and output, and save labor

Inactive Publication Date: 2012-10-03
遂宁市新华西铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] The present invention aims to solve the problem that the secondary aluminum production process in the prior art cannot uniformly stir the aluminum liquid, the stirring time is long, and the burning loss of the aluminum liquid is relatively large, and the burning loss reaches 8-10%, which affects the overall aluminum production rate. To solve the problems of wasting raw materials and low output, provide a production process for recycled aluminum, which can evenly stir the molten aluminum, reduce the degree of burning of the molten aluminum, increase the aluminum yield and output, and is safe and low in cost

Method used

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Embodiment 1

[0053] A production process for recycled aluminum, including pre-preparation of waste aluminum, batching, melting, testing components, and pouring and casting to obtain the final recycled aluminum product. The melting process includes the following process steps:

[0054] A. Put the scrap aluminum material after batching into the smelting furnace;

[0055] B. Smelting at 650°C and stirring at the same time. Specifically, an air compressor is used for stirring. The air compressor is connected to one end of the vibrating rod through a pipeline, and the other end of the vibrating rod is extended into the hearth of the smelting furnace, and stirred Turn on the air compressor at the same time, drive the vibrating rod to vibrate and stir in the furnace, the stirring time is 10min, and feed after the stirring is completed;

[0056] C, repeat twice according to the technology in step B, promptly carry out stirring, feeding, stirring, feeding successively;

[0057] D, stir once accord...

Embodiment 2

[0062] A production process for recycled aluminum, including pre-preparation of waste aluminum, batching, melting, testing components, and pouring and casting to obtain the final recycled aluminum product. The melting process includes the following process steps:

[0063] A. Put the scrap aluminum material after batching into the smelting furnace;

[0064] B. Smelting at 760°C and stirring at the same time. Specifically, an air compressor is used for stirring. The air compressor is connected to one end of the vibrating rod through a pipeline, and the other end of the vibrating rod is extended into the hearth of the smelting furnace, and stirred Turn on the air compressor at the same time, drive the vibrating rod to vibrate and stir in the furnace, the stirring time is 15min, and feed after the stirring is completed;

[0065] C, repeat twice according to the technology in step B, promptly carry out stirring, feeding, stirring, feeding successively;

[0066] D, stir once accord...

Embodiment 3

[0071] A production process for recycled aluminum, including pre-preparation of waste aluminum, batching, melting, testing components, and pouring and casting to obtain the final recycled aluminum product. The melting process includes the following process steps:

[0072] A. Put the scrap aluminum material after batching into the smelting furnace;

[0073] B. Smelting at 705°C and stirring at the same time. Specifically, an air compressor is used for stirring. The air compressor is connected to one end of the vibrating rod through a pipeline, and the other end of the vibrating rod is extended into the hearth of the smelting furnace, and stirred Turn on the air compressor at the same time, drive the vibrating rod to vibrate and stir in the furnace, the stirring time is 12.5min, and feed after the stirring is completed;

[0074] C, repeat twice according to the technology in step B, promptly carry out stirring, feeding, stirring, feeding successively;

[0075] D, stir once acco...

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Abstract

The invention relates to a production process of recycled aluminum and belongs to the technical field of metal aluminum recycle. The production process modifies a stirring step in a smelting procedure in the existing production process of recycled aluminum and adopts an air compressor which is connected with one end of a vibration rod through a pipeline. The other end of the vibration rod stretches into a furnace cavity of a smelting furnace. The air compressor is started in stirring to drive the vibration rod to stir in vibration mode in the furnace cavity. The production process has the advantages of improving product quality, improving production efficiency, reducing production cost, reducing labor quantity and improving working environment.

Description

technical field [0001] The invention relates to a production process of recycled metal, more specifically, the invention relates to a production process of recycled aluminum, which belongs to the technical field of metal aluminum recovery and regeneration. Background technique [0002] The production process of secondary aluminum mainly has the following process steps: [0003] 1. Waste aluminum treatment: The collected old aluminum materials often contain other non-ferrous metals, steel parts and other non-metallic inclusions. In order to meet the convenience of melting waste aluminum materials and ensure that the chemical composition of recycled aluminum alloys meets the technical requirements, The preparation of scrap aluminum must be carried out first. The finer the sorting and the more accurate the classification, the easier it is to control the chemical composition of recycled aluminum. [0004] 2. Manual sorting: to remove other metal and non-metallic impurities fro...

Claims

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Application Information

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IPC IPC(8): C22C1/02C22C21/00F27D27/00
Inventor 李远平
Owner 遂宁市新华西铝业有限公司
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