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What is micro silica vapor?
Micro-silica Also known as silica or condensed fume, fume can be produced by ferroalloys. The mine thermoelectric oven produces many gases, including SiO2 and Si, when ferroalloys (for 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 materials such as ceramics and ladle materials. 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 service life and achieve internal digestion of dust produced by ferrosilicon or industrial silicon smelting companies.
Several North American companies also use mixed micro-silica and silica fume pellets for the reduction of electric furnaces and silicon melting. The unit energy consumption of the product is unchanged, but the silicon recovery rate appears to be normal. Elkem in Norway will wet micro-silica with water, agglomerate into pellets about 4 cm and reduce them directly and smelt them in an electrical furnace without roasting and drying. Sintered ore can also be produced at high temperatures without any problems such as bursting. In a Russian factory, micro-silica fumes and liquid waste from paper pulp are mixed into pellets. They then undergo reduction smelting using an electric furnace. This production shows that pellets can be transported without breaking because they are more durable than other materials. In Northern Europe, an enterprise that produces ferrochromium used the microsilica powder slurry from the electric furnace silica smelting method to return silicon and mixed it into chromium ore for pelletizing. The micro-cassia was found to improve the cohesiveness of chromium pellets.

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 an extensive use.

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