What is ferrosilicon primordium?

Ferrosilicon is a ferroalloy material composed of silicon and iron smelted in an electric furnace with coke, steel chips and quartz as raw materials. Ferrosilicon is an important raw material in the metallurgical casting industry. In order to facilitate the use in the furnace, ferrosilicon has different specifications and granularity. The common ones are ferrosilicon original block, ferrosilicon particle, ferrosilicon powder , etc. Today I would like to introduce the original ferrosilicon block.

The original block of ferrosilicon is a kind of specification of ferrosilicon, the common granularity is 0-1mm, 1-3mm, 3-10mm, 10-50mm, 50-100mm. Packing is usually in the form of ton bags. The use of ferrosilicon original block mainly has the following aspects:

(1) ferrosilicon is an essential deoxidizer in steelmaking industry, which is used for precipitation deoxidization and diffusion deoxidization.

(2) in the production of ductile iron, ferrosilicon is an important inoculant (help to precipitate graphite) and spheroidizing agent.

(3) used as reducing agent in ferroalloy production. The chemical affinity between silicon and oxygen is very large, and the carbon content of high silicon ferrosilicon is very low. Therefore, high silicon ferrosilicon (or siliceous alloy) is a commonly used reducing agent in the production of low carbon ferroalloy in the ferroalloy industry.

(4)75# ferrosilicate in Pijiang magnesium smelting is often used in high temperature magnesium smelting, the process of CaO.MgO magnesium replacement out, each one ton of magnesium will consume about 1.2 tons of ferrosilicate, magnesium production plays a great role.

(5) for other purposes. Grinded or atomized ferrosilicon powder can be used as a suspended phase in the mineral processing industry.  

(6) in the electrode manufacturing industry can be used as electrode coating. High silicon ferrosilicon in the chemical industry can be used to manufacture silicone and other products.

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