Casting Ceramic Filter Aluminum

Casting Ceramic Filter Aluminum quickly replaced various filter carriers such as glass cloth, microporous ceramic tubes, and alumina balls, and was widely used in the primary aluminum production and aluminum processing industries in Xili countries.

Foam ceramic filter plate has a network pore structure, has a certain strength, can withstand the pressure difference of the metal liquid level and the impact of the metal flow. Because this material has a precise structure, uniform quality, and a large surface area, The filtering effect is excellent.

Aluminum foil can be divided into industrial aluminum foil and packaging aluminum foil.
Industrial aluminum foil has a relatively pure chemical composition with a thickness of 0.005 to 0.2 mm. It is mainly used as capacitors, thermal insulation materials, and moisture-proof materials in the electrical and electronic industries.
The thickness of packaging aluminum foil is generally 0.007 to 0.1 mm. There are various products such as flat foil, printed foil, painted printed foil and laminated aluminum foil, which are mainly used as packaging materials for food, tea, cigarettes, etc.
The minimum thickness of aluminum foil produced by the tape production method can reach 0.0025 mm and the width can reach 1800 mm.
Aluminum foil rolling is roll-free rolling, and the rolls are always in an elastic flattened state.
The thickness of the foil can be controlled by adjusting the rolling force, rolling speed and controlling tension during rolling.
During rough rolling, the rolling force is used to control the thickness of the foil. During finishing rolling, the thickness of the foil decreases as the rolling speed increases. The greater the tension, the smaller the thickness. In order to prevent fragmentation, the tension is usually selected as foil The conditional yield strength of the material is 0.2 to 0.4 of σ0.2.
In low-speed rolling, “thick oil” or “thin oil” is often added to the lubricant to adjust the rolling thickness of the aluminum foil. Lubricant and roll status have a very important influence on the quality of the foil.
The aluminum foil blank comes from cold-rolled aluminum coil, which is generally pre-annealed at 340-480°C, and its thickness is 0.4-0.7 mm.
The pass deformation rate during rolling is about 50%, and the total deformation rate can reach more than 95%.
The finished foil whose thickness is less than 0.01～0.02mm should be rolled and double-sheet rolled.

Casting Ceramic Filter Aluminum is very important to the quality of aluminum melt, and it greatly affects the subsequent processing performance and the quality of the final product. Therefore, all countries in the world wish the purification of aluminum melt very seriously.
There are many reasons for aluminum pollution. On the one hand, during the smelting process, aluminum is exposed to the atmosphere in the furnace in a molten or semi-molten state, which is prone to oxidation, reacts with water vapor and absorbs hydrogen, and easily forms various forms of non-metallic slag (Such as lining fragments, chlorides, carbides in flux, etc.) and coarse intermetallic particles, etc.

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