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Air conditioner aluminum foil material and surface treatment method thereof

A surface treatment and aluminum foil technology, which is applied in the field of aluminum alloy materials, can solve problems such as large temperature difference changes, corrosion spots of aluminum foil, and harsh environment of air-conditioning aluminum foil, so as to improve service life, reduce corrosion speed, and reduce contact time of water droplets.

Inactive Publication Date: 2014-10-15
江苏长宏铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air-conditioning aluminum foil in the prior art is used in a relatively harsh environment, and it is responsible for the heat transfer. The large temperature difference changes during use, which makes the aluminum foil easy to be corroded by substances dissolved in water.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An air conditioner aluminum foil material, the components of which contain the following elements by mass percentage: 0.05% copper, 0.01% zirconium, 0.02% vanadium, 0.01% magnesium, 0.01% silicon, 0.03% manganese, 0.01% rare earth , 0.02% nickel, 0.02% titanium, and the rest is aluminum.

[0019] The surface treatment method of the air-conditioning aluminum foil comprises the following steps:

[0020] 1) For smelting aluminum alloy materials, except for magnesium and rare earth, add other element ingredients into the furnace according to the proportion, heat and melt, keep warm for 3 hours, add magnesium according to the proportion, stir, remove slag, remove impurities, and add rare earth elements according to the proportion , Stirring, slag removal, removal of impurities, rapid cooling casting, that is, spraying coolant during extrusion, so that the temperature of the material is rapidly lowered to room temperature to manufacture aluminum rods, preventing coarse grains...

Embodiment 2

[0024] An air-conditioning aluminum foil material, its components contain the following mass percentage elements: 0.1% copper, 0.05% zirconium, 0.05% vanadium, 0.03% magnesium, 0.1% silicon, 0.1% manganese, 0.05% rare earth, 0.1% nickel, 0.1% titanium, and the rest is aluminum.

[0025] The surface treatment method of the air-conditioning aluminum foil comprises the following steps:

[0026] 1) For smelting aluminum alloy materials, except for magnesium and rare earth, add other element ingredients into the furnace according to the proportion, heat and melt, keep warm for 3 hours, add magnesium according to the proportion, stir, remove slag, remove impurities, and add rare earth elements according to the proportion , Stirring, slag removal, removal of impurities, rapid cooling casting, that is, spraying coolant during extrusion, so that the temperature of the material is rapidly lowered to room temperature to manufacture aluminum rods, preventing coarse grains from reducing th...

Embodiment 3

[0030] An air-conditioning aluminum foil material, the components of which contain the following elements by mass percentage: 0.05%-0.1% copper, 0.01%-0.05% zirconium, 0.02%-0.05% vanadium, 0.01%-0.03% magnesium, 0.01% -0.1% silicon, 0.03%-0.1% manganese, 0.01%-0.05% rare earth, 0.02%-0.1% nickel, 0.02%-0.1% titanium, and the rest is aluminum.

[0031] The surface treatment method of the air-conditioning aluminum foil comprises the following steps:

[0032] 1) Melting aluminum alloy materials, except magnesium and rare earth, add other element ingredients into the furnace according to the proportion, heat and melt, keep warm for 3 hours, add magnesium according to the proportion, stir, remove slag, remove impurities, and add rare earth elements according to the proportion , Stirring, slag removal, removal of impurities, rapid cooling casting, that is, spraying cooling liquid during extrusion, so that the temperature of the material is rapidly lowered to room temperature to mak...

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PUM

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Abstract

The invention discloses an air conditioner aluminum foil material. The air conditioner aluminum foil material comprises the following elements by weight percentage: 0.05%-0.1% of copper, 0.01%-0.05% of zirconium, 0.02%-0.05% of vanadium, 0.01%-0.03% of magnesium, 0.01%-0.1% of silicon, 0.03%-0.1% of manganese, 0.01%-0.05% of rare earth, 0.02%-0.1% of nickel, 0.02%-0.1% of titanium and the balance of aluminum. The air conditioner aluminum foil material gains properly improved strength and enhanced extensibility, so as to meet the strength requirements when used as a radiating fin, and meet the extension requirements for cutting. The invention also discloses a surface treatment method of the air conditioner aluminium foil. The method includes refining, stress removal, cold rolling, foil rolling, washing, alkali cleaning, pickling and film coating, and improves the hydrophobic properties of aluminum foil surface.

Description

technical field [0001] The invention relates to an aluminum alloy material, in particular to an air conditioner aluminum foil material. The invention also relates to a surface treatment method for making the air conditioner aluminum foil. Background technique [0002] At present, the radiator of the refrigerator of the air conditioner is generally made of aluminum alloy material, which is light in weight and low in cost compared with the copper radiator, and is suitable for large-scale use. In the prior art, in order to reduce the manufacturing cost and reduce the weight and volume of the refrigerator, the thickness of the heat dissipation fins of the refrigerator is reduced, so that the mechanical strength of the heat dissipation fins is reduced, and the phenomenon of flipping is prone to occur, which affects the work of the refrigerator Efficiency, when the strength of the cooling fins is improved by changing the material composition, damage will occur during punching. Th...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/02C22F1/04C23C22/07F28F21/08F28F19/02
Inventor 戚秀
Owner 江苏长宏铝业有限公司
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