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Radiofrequency plasma synthetic method for extracting alumina from aluminum residues

A synthesis method and alumina technology, which is applied in the field of simultaneously processing aluminum slag and producing alumina, can solve the problems that no effective technology has been found for aluminum slag treatment, and it cannot meet the needs of users.

Inactive Publication Date: 2016-08-03
蒋世杰 +1
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Problems solved by technology

[0008] In view of the fact that a large amount of aluminum slag is generated as waste from the production of aluminum or aluminum recycling, there is a real need for a new and appropriate recycling technology for aluminum slag, but so far, no treatment has been found for aluminum slag. Effective technology, therefore, generally used ones cannot meet the needs of users in actual use

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  • Radiofrequency plasma synthetic method for extracting alumina from aluminum residues
  • Radiofrequency plasma synthetic method for extracting alumina from aluminum residues
  • Radiofrequency plasma synthetic method for extracting alumina from aluminum residues

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Embodiment Construction

[0050] see Figure 1 ~ Figure 3 Shown are the schematic flow chart of the synthesis of alumina ceramic powder of the present invention, the schematic diagram of the radio frequency plasma synthesis device of the present invention, and the schematic diagram of the reactor-thermoplasma source of the present invention. As shown in the figure: the present invention is a radio frequency plasma synthesis method, which extracts aluminum oxide (Al 2 o 3 ), which at least includes the following steps:

[0051] (A) Provide radio frequency plasma synthesis device S11: provide a radio frequency plasma synthesis device, which includes a powder feeder 1; a radio frequency generator 2, located in a matching box 21 and installed on a base 22, Coupled to an induction coil 31 via a matching circuit 23; a thermal plasma source 3, one end of which is connected to the powder feeder 1, and the other end is passed through the base 22, and has an induction coil with 2 to 6 turns 31; a reaction cha...

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Abstract

The invention relates to a radiofrequency plasma synthetic method for extracting alumina from aluminum residues. The method is characterized in that a thermal plasma technology is used for constructing a radiofrequency plasma synthesis apparatus as a high-temperature heat source, through processing of the thermal plasma and high temperature purifying of the aluminum residues, thereby the alumina is extracted from the aluminum residues to obtain the alumina ceramic powder, at the same time, the aluminum residues can be processed, alumina is produced, and the aluminum residues can be transited to merchantable products. The radiofrequency plasma synthesis apparatus comprises a powder feeder, a radio frequency generator, a thermal plasma source, a reaction chamber, a powder collection unit and a vacuum pump.

Description

technical field [0001] The present invention relates to a radio frequency plasma synthesis method, in particular to a method for extracting alumina from aluminum slag through thermal plasma treatment and high-temperature purification of aluminum slag to obtain alumina ceramic powder, especially referring to simultaneous processing of aluminum slag and production of alumina ceramic powder. Aluminum, a method of converting aluminum dross into a salable product. Background technique [0002] Generally, the process of recycling aluminum from aluminum scrap (Aluminiumscrap), such as Image 6 shown. During aluminum metallurgy (Aluminummetallurgy), molten aluminum (Moltenaluminum) and fine particles (Fineparticles) are generated, the molten aluminum is cast (Cast) in the mold to obtain aluminum ingots (Ingot) or alloys (Alloy), and when the molten metal surface and the furnace When the internal air reacts, dross will be produced; and the fine particles are collected by the air pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F7/02C04B35/10B09B3/00
Inventor 蒋世杰刘雅萍
Owner 蒋世杰
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