How Is Metallic Silicon Powder Ground?

ZhenAn Metallic Silicon Powder Factory

 

 

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Metal silicon powder processing refers to the process of crushing smelted silicon blocks (25-80 mm) through a special process to produce silicon powder with a specified particle size (usually 80-400 microns).

 

 

 

Metal silicon powder used for the production of organic silicon and polycrystalline silicon must have corresponding technical indicators.

 

 

 

The key technical indicators of metal silicon powder: chemical composition, particle size, morphology, specific surface area, and physical and chemical properties reflect the chemical reactivity of metal silicon powder.

 

 

 

 

There are many methods for producing metallic silicon powder from silicon blocks as raw materials, among which the common ones are the Raymond method, the counter-roller method, the disc grinding method and the punching and spinning method.

 

 

From the perspective of the powder making principle, the first three are extrusion and crushing, and the latter is It's impact crushing.

 

 

 

Silicon powder obtained by different powdering methods has different technical parameters such as microstructure, specific surface area, particle size distribution and surface oxidation, and the reactivity of metallic silicon powder is naturally different.

 

 

Therefore, it is necessary to select appropriate silicon powder production processes and equipment.

Metal silicon powder production process for vertical mill.

The production process of metal silicon powder for Raymond mill.

Metal silicon powder production process for steel ball mill.

Metal silicon powder production process for impact rotary pulverizer.

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