Aluminum alloy refining agent

A technology of refining agent and aluminum alloy, which is applied in the field of refining agent, can solve the problems of high cost, environmental problems, and the removal effect cannot meet the requirements, and achieve the effect of obvious purification effect and reduction of hydrogen content

Inactive Publication Date: 2015-04-29
桑达化工(南通)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Although the aluminum alloy refining agent can remove some inclusions and reduce the hydrogen content, but for the smelting process of aluminum alloys with more inclusions, especially the removal of inclusions such as small inclusions and non-metal oxides, the removal effect cannot meet the requirements, which leads to refining The amount of refining agent used is large and the cost is high; and the above-mentioned refining agent also contains harmful elements such as benzene and fluorine, which will cause environmental problems in the treatment of waste such as aluminum ash and slag inclusions after production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] An aluminum alloy refining agent, comprising the following raw materials in mass proportions: 20 parts of potassium chloride, 30 parts of sodium chloride, 3 parts of sodium carbonate, 3 parts of calcium fluoride, 10 parts of sodium sulfate, 20 parts of potassium nitrate, six 5 parts of fluorobenzene, 1 part of rare earth.

Embodiment 2

[0011] An aluminum alloy refining agent, comprising the following raw materials in proportion by mass: 25 parts of potassium chloride, 35 parts of sodium chloride, 5 parts of sodium carbonate, 6 parts of calcium fluoride, 15 parts of sodium sulfate, 25 parts of potassium nitrate, six 10 parts of fluorobenzene, 2 parts of rare earth.

Embodiment 3

[0013] An aluminum alloy refining agent, comprising the following raw materials in mass proportions: 22 parts of potassium chloride, 33 parts of sodium chloride, 4 parts of sodium carbonate, 5 parts of calcium fluoride, 12 parts of sodium sulfate, 22 parts of potassium nitrate, six 6 parts of fluorobenzene, 1 part of rare earth.

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PUM

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Abstract

The invention discloses an aluminum alloy refining agent which comprises the following raw materials in parts by mass: 20-25 parts of potassium chloride, 30-35 parts of sodium chloride, 3-5 parts of sodium carbonate, 3-6 parts of calcium fluoride, 10-15 parts of sodium sulfate, 20-25 parts of potassium nitrate, 5-10 parts of hexafluorobenzene and 1-2 parts of rare earth. The aluminum alloy refining agent can effectively remove slag inclusions in the liquid aluminum, can lower the hydrogen content in the liquid aluminum, and has obvious purifying effect on the liquid aluminum.

Description

technical field [0001] The invention relates to a refining agent and belongs to the technical field of chemical coatings. Background technique [0002] Although the aluminum alloy refining agent can remove some inclusions and reduce the hydrogen content, but for the smelting process of aluminum alloys with more inclusions, especially the removal of inclusions such as small inclusions and non-metal oxides, the removal effect cannot meet the requirements, which leads to refining The amount of refining agent used is large and the cost is high; and the above-mentioned refining agent also contains harmful elements such as benzene and fluorine, which will cause environmental problems in waste disposal such as aluminum ash and slag inclusions after production. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to provide an aluminum alloy refining agent that can effectively remove slag inclusions in molten aluminum and reduce the hydrogen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/06C22C21/00
Inventor 沈春林
Owner 桑达化工(南通)有限公司
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