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Molten aluminum alloy refining slag removal agent

A technology of aluminum alloy melt and slag removal agent, which is applied in the field of slag removal agent, can solve problems such as inclusions, aluminum metal loss, and affecting metal properties, and achieve the effects of convenient preparation, strong separation ability, and high reliability

Inactive Publication Date: 2018-06-19
徐州思源铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the refining process, aluminum is contained in the separated aluminum slag, which causes the loss of aluminum metal; at the same time, an aluminum oxide film is formed due to oxidation, and aluminum oxide is easily mixed in the aluminum metal liquid, which affects the metal performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] An aluminum alloy molten refining slag remover is characterized in that it is composed of the following components in weight percentage: 25% silicon dioxide, 10% sodium chloride, 10% potassium oxide, 5% sodium oxide, and 5% sodium sulfate , Sodium fluoroaluminate 1%, sodium fluorosilicate 5%, titanium dioxide 1%, calcium fluoride 5%, potassium fluoride 2%, hydrogen fluoride 2%, silicic acid 2%.

[0010] The preparation method is as follows: weigh each component, add each raw material in proportion to a mixer and stir evenly, heat the evenly stirred material in a heating furnace to 100-300°C, and keep it for 120-200 minutes to fully remove the slag-cleaning agent The moisture in the medium, so that the moisture content is ≤0.5%, the particle size is less than 20 mesh, cooled and sealed.

Embodiment 2

[0012] An aluminum alloy molten refining slag remover is characterized in that it is composed of the following components in weight percentage: 27% silicon dioxide, 12% sodium chloride, 12% potassium oxide, 8% sodium oxide, and 8% sodium sulfate , Sodium fluoroaluminate 3%, sodium fluorosilicate 7%, titanium dioxide 3%, calcium fluoride 8%, potassium fluoride 3%, hydrogen fluoride 3%, silicic acid 3%.

[0013] The preparation method is as follows: weigh each component, add each raw material in proportion to a mixer and stir evenly, heat the evenly stirred material in a heating furnace to 100-300°C, and keep it for 120-200 minutes to fully remove the slag-cleaning agent The moisture in the medium, so that the moisture content is ≤0.5%, the particle size is less than 20 mesh, cooled and sealed.

Embodiment 3

[0015] An aluminum alloy molten refining slag remover is characterized in that it is composed of the following components in weight percentage: 30% silicon dioxide, 15% sodium chloride, 15% potassium oxide, 10% sodium oxide, and 10% sodium sulfate , Sodium fluoroaluminate 5%, Sodium fluorosilicate 10%, Titanium dioxide 5%, Calcium fluoride 10%, Potassium fluoride 4%, Hydrogen fluoride 4%, Silicic acid 4%.

[0016] The preparation method is as follows: weigh each component, add each raw material in proportion to a mixer and stir evenly, heat the evenly stirred material in a heating furnace to 100-300°C, and keep it for 120-200 minutes to fully remove the slag-cleaning agent The moisture in the medium, so that the moisture content is ≤0.5%, the particle size is less than 20 mesh, cooled and sealed.

[0017] The formula of the present invention ensures the infiltration effect of the aluminum liquid by using sodium chloride and potassium fluoride, and ensures the separation of hyd...

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Abstract

A molten aluminum alloy refining slag removal agent is characterized by being composed of, by weight, 25%-30% of silicon dioxide, 10%-15% of sodium chloride, 10%-15% of potassium oxide, 5%-10% of sodium oxide, 5%-10% of sodium sulfate, 1%-5% of sodium fluoroaluminate, 5%-10% of sodium fluorosilicate, 1%-5% of titanium dioxide, 5%-10% of calcium fluoride, 2%-4% of potassium fluoride, 2%-4% of hydrogen fluoride and 2%-4% of silicic acid. The molten aluminum alloy refining slag removal agent has the advantages that by the adoption of the sodium chloride and the potassium fluoride, the infiltration effect of molten aluminum is guaranteed, separation of hydrogen in the molten aluminum is guaranteed by the adoption of the potassium fluoride, the molten aluminum alloy refining slag removal agentis high in reliability, high in separation capacity, convenient to prepare, easy to use, low in cost and the like, and meanwhile the molten aluminum alloy refining slag removal agent can be widely applied to the molten aluminum refining aspect.

Description

technical field [0001] The invention relates to the technical field of slag remover, in particular to a slag remover for aluminum alloy melt refining. Background technique [0002] If there are impurities in aluminum or aluminum alloy that will affect the properties of the metal, it is generally necessary to remove impurities as much as possible through refining. During the refining process, aluminum is contained in the separated aluminum slag, which causes the loss of aluminum metal; at the same time, an aluminum oxide film is produced due to oxidation, and aluminum oxide is easily mixed in the aluminum metal liquid, affecting the metal performance. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an aluminum alloy molten slag cleaning agent capable of separating aluminum from aluminum slag and decomposing alumina. [0004] In order to solve the above technical problems, the technical solution provided by the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/06C22C21/00
CPCC22C1/06C22C21/00
Inventor 周书红
Owner 徐州思源铝业有限公司
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