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According to the molten Al filtration method, the molten Al is passed through a refractory ceramic foam filter to remove inclusions. Larger inclusion particles can be removed from the molten Al. However, it is difficult to remove small inclusion particles of 100 μm or smaller that account for most of the inclusions. In particular, it […]

How South Africa’s aluminum casting machine uses advanced molten metal rotary degassing rotors to reduce costs and improve metal quality. In order to protect its position in the global automotive industry, South Africa’s aluminum casters must meet or even exceed the more demanding technical specifications to obtain better quality and cleaner metals. Technologies that can […]

The presence of gas (usually hydrogen) and other particles in gravity or sand castings can cause bubbles, which can severely impair the appearance and performance (overall strength and density) of the finished product. This makes effective metal degassing critical to the quality of the casting process. Traditionally, graphite is the most widely used material for […]

In cake filtration, two situations can be distinguished. Inclusions are deposited on the upper surface of the filter. Therefore, the size of the pores of the filter must be smaller than the size of impurities, or the filter cake is precipitated during the transition process from the deep bed to the filter cake, and the […]

The molten metal cleanliness is one of the main challenges for most foundries. They must produce slabs with a sufficiently low content of hydrogen, alkali metals and inclusions to make the final product suitable for its end-use. This is especially important when rolling slabs into sheets used to make beverage cans or foils. It is […]

The ceramic foam filters manufacturing raw material is made of an open-cell hydrophilic flexible foam material having a plurality of interconnected voids, which are surrounded by a net of the flexible foam material. Typical materials that can be used include polymer foams, such as polyurethane foams, and cellulose foams. Generally, any combustible organic plastic foam […]

For the processing of molten metal, it is necessary to remove foreign intermetallic inclusions, such as impurities from raw materials, slag, scum and oxide formed on the surface of the melt, and small refractory materials used to form alloys. A chamber or container in which a molten metal melt is formed. Removal of these inclusions […]

Ceramic foam filter for molten aluminum is used to capture and retain high-alumina liquid slag, other metal oxide slag and other entrained particles. Ceramic Foam Filter for Molten Aluminum is expected to have better performance than filters due to their tortuous fluid flow paths. In a screen filter, it is difficult to retain slag. Even […]

The use of alumina particles in ceramic foam filters seems to be an obvious choice. Alumina is relatively chemically inert in molten aluminum and its common alloys including magnesium alloys. It is also widely used as a particulate material in refractories for melting and holding molten aluminum alloys in furnaces. In addition, before the development […]

Over the years, aluminum alloy products have continuously improved the internal quality of ingots, especially cleanliness. Molten aluminum purification treatment is the main method to improve the purity of aluminum melt. Melt purification can be divided into furnace treatment and online purification. Furnace Molten Aluminum Purification Treatment Melt treatment in the furnace mainly includes gas […]