Refractory Aluminium Alloys Filtration effectively removes harmless impurities such as bubbles, ash oxides, and various assimilates in the aluminum melt.
It can greatly improve the yield and quality of aluminum castings, prevent defects of other metal components from penetrating into the aluminum solution, and will not affect the aluminum alloy factors, thereby ensuring the quality of aluminum castings.
It can increase the hardness and contour hardness of the casting, and improve the bending strength.
Aluminium Alloys Filtration is the most effective and reliable method to remove non-metallic inclusions in aluminum alloy melt. In principle, it can be divided into filter cake filtration and depth filtration. There are many types of filtration, the best ones are filter tubes and ceramic foam filters.
Refractory Aluminium Alloys Filtration is closely related to the filtration efficiency of Foundry Filters. At the same time, there is no need to reduce inclusions during operation, such as ignoring smelting, heat treatment furnaces, and casting. In order to prevent heavy pollution of clean aluminum after filtration.
The installation of the ceramic foam filter is closely related to the filtration efficiency of the ceramic foam filter. At the same time, there is no need to reduce inclusions during operation, such as ignoring smelting, heat treatment furnaces, and casting. In order to prevent heavy pollution of clean aluminum after filtration.
Generally speaking, the installation and use of ceramic foam filters need to pay attention to the following aspects:
1. The correct choice of ceramic foam filter: The size and specifications of the filter plate must consider the specific type of metal filtration, the maximum level, the total amount of filtration, and the cleanliness of the original aluminum liquid.
2.The pretreatment of melt filtration cannot be ignored: such as normal furnace and holding furnace slagging and furnace cleaning.
3. Especially the online degassing device is still necessary, because it can not only reduce the hydrogen content in the melt, but also remove some non-metallic inclusions.
4. The ceramic foam filter should meet the high temperature CFF filter box: suitable for sealing, can prevent the gap between metal filtering and entering the box, and also avoid the foam filter plate from being too light and failing from the aluminum liquid.
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