Silicon Metal Powder

Silicon metal is also called crystalline silicon or industrial silicon. It is mainly used as an additive for non-ferrous alloys, an alloying agent for silicon steel with strict requirements, and as a deoxidizer for smelting special steels and non-ferrous alloys.

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silicon metal
metallic silicon
high pure silicon metal

Silicon metal powder is a powdered silicon metal obtained by grinding silicon metal blocks. Silicon metal powder is silver gray or dark gray with a certain metallic luster. Silicon metal powder is called “industrial monosodium glutamate”, because of its high melting point, good heat resistance, high resistivity, and high antioxidant effect, it is an indispensable basic raw material for many high-tech industries.

Production Process of Silicon Metal Powder

silicon metal powder

The production process of silicon metal powder through the vertical mill

In the production process of this process, first, the silicon metal block enters the vertical mill after drying and crushing; then, the ground silicon metal powder is taken out by the circulating air flow and collected by the collector; finally, the powder received by the collector The material is then screened by a vibrating sieve, the coarse particles above the sieve are sent back to the mill, and the fine particles below the sieve enter the finished product bin.

The production process of silicon metal powder through the rotary mill

In the production process of this process, firstly, after drying and crushing, the silicon metal block is sent to the rotary mill for crushing; then, the crushed material is taken out by the airflow of the induced draft fan, and separated by the cyclone separator; finally, the separated The fine powder is collected by the collector and enters the fine powder bin, and the tail gas is discharged at high altitude, while the remaining coarse powder is sieved by the vibrating sieve, the coarse particles on the sieve are returned to the rotary mill for further crushing, and the silicon metal powder below the sieve enters the finished product bin .

Raymond Mill’s silicon powder production process

In the production process of this process, firstly, the silicon metal block is sent to the Raymond mill after drying and crushing. Then, the ground silicon metal powder is taken out by the circulating air flow and collected by the cyclone dust collector. Finally, the collected powder is sieved by a vibrating sieve, the coarse particles above the sieve are returned to the Raymond Mill, and the fine particles below the sieve enter the finished product bin.

The Use of Silicon Metal Powder

  1. Silicon metal powder is widely used in refractory materials and powder metallurgy industries to improve the high temperature resistance, wear resistance and oxidation resistance of products. Its products are widely used in steelmaking furnaces, kilns and kiln furniture.
  2. In the organosilicon chemical industry, silicon metal powder is the basic raw material for the synthesis of organosilicon polymers, such as for the production of silicon monomers, silicone oil, and silicone rubber preservatives, thereby improving the high temperature resistance, electrical insulation, and corrosion resistance of products Anti-corrosion, anti-corrosion, waterproof and other characteristics.
  3. Silicon metal powder is drawn into single crystal silicon, and the processed silicon wafer is widely used in high-tech fields, and is an indispensable raw material for integrated circuits and electronic components.
  4. In the metallurgical casting industry, silicon metal powder is used as a non-ferrous alloy additive and a silicon steel alloy agent to improve the hardenability of steel. Silicon metal powder can also be used as a reducing agent for certain metals, for new ceramic alloys, etc.

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