Micro-silica Also known as silica or condensed fume, fume is a form of silica. The mine thermoelectric oven produces many gases, including SiO2, when ferroalloys (which are used to melt ferrosilicon) and industrial silicon (metal silica) are melted. It is formed through rapid oxidation. It is produced by large-scale industrial melting. It is necessary to recycle this entire process with the help of dust removal equipment and environmental protection gear. Encryption equipment is needed because of the low density.
What are the main applications of microsilica?
It is used widely in the refractory industries because it has excellent properties like high refractoriness. It is mainly utilized to prepare high temperature ceramics, ladle material, high temperature wear-resistant materials and breathable bricks. Wang Tao et al. By using micro-silica and Al2O3 powder in a 3:2.5 ratio and a 1450degC sintering heat, they prepared high-purity mullite porous ceramics. Its compressive strength is 260.93MPa. The porosity of the material is 21%. The micro-silica can improve bulk density, strength, cohesion, and high temperature performance of refractory products. It can also be used to extend the life span of refractory products, as well improve internal digestion of dust and produce clean dust.
The majority of companies in the metalworking industry use microsilica fume to return materials. While this method can reduce environmental pollution due to micro-silica, it doesn’t fully exploit the magical properties of micro-silica. This is a very extensive application.
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