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What’s micro silica fume?
micro-silica fume is also known as silica smoke or condensed Silica fume. Many volatile SiO2 (and Si gas) is produced when ferroalloys, which are used in the smelting of ferrosilicon or industrial silicon (metal Silicon), are being used. Rapid oxidation, precipitation and condensation are the main processes that produce it. It’s a result of industrial smelting. This entire process must be reused with dust extraction and protection equipment. Encryption equipment is needed because of the low density.
This is the principal application area of microsilica
It has exceptional properties like high refractoriness, and it is used extensively in the refractory sector. It’s used primarily to produce high-temperature ceramics. Wang Tao et al. By Wang Tao and colleagues. You can see that microsilica fume is capable of improving the bulk density, fluidity and strength of refractory material, as well extending the life span of refractory material, increasing cohesion and high temperature performance. It also allows for internal digestion.
North America-based companies may also utilize silica fume mixed pellets and microsilica fume as raw materials to reduce electric furnaces and smelt silicon. Their results showed that silicon recovery rates are normal. However, the unit energy consumption per product is not affected. Elkem Norway can wet micro-silica powder using water. Then, it will agglomerate it to make pellets about 4cm in diameter. This pellet can then be reduced by an electric furnace and melted without any drying. Also, the pellets can be sintered at high temperatures. There is no risk of the pellets bursting in the sintering process. Russian company mixes microsilica fumes with waste paper pulp to create pellets. They then reduce the smelting process in an electrical furnace. They are much stronger than regular materials and are difficult to transport. This is evident from the results of this production. One ferrochromium firm used the microsilica powder slurry from the electric furnace silica smelting process wet as its return silicon source. It was then combined with chromium to form pellets. It was shown that the micro-cassia powder can improve the consistency of the chromiumore pellets.
Many companies use microsilica fume in their metallurgical industries as a back material. While this reduces the impact of microsilica fume on the environment, it is not able to fully exploit its magical properties. This is a broad application.
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