Ferrosilicon Manganese Alloy Smelting Temperature

Ferrosilicon manganese alloy smelting temperature: "850-1300 ℃.

In the process of smelting and heating of the charge, the high-priced oxides of manganese and iron in the charge are decomposed in the high temperature area of the charge area or carbon monoxide is reduced to low-priced oxides, to 1373-1473K, the high-priced manganese oxide is gradually fully reduced to MnO, and all FeO is further reduced to Fe.

Mno is relatively stable and can only be directly reduced with carbon. Due to the high SiO2 in the charge,MnO has not had time to reduce and react with it to form low-melting manganese silicate.

Therefore, the reduction reaction of MnO is actually carried out in manganese silicate from liquid slag."

Smelting principle of manganese silicon alloy

In the smelting process of the charge, the high-priced oxides of manganese and iron in the charge are decomposed at high temperature or reduced to low-priced oxides by CO in the charge area, to 1373 ~ 1473K, the high-priced manganese oxide is gradually fully reduced to MnO, and all FeO is further reduced to Fe; MnO is relatively stable and can only be directly reduced with carbon. Due to the high SiO2 in the charge, MnO has not had time to reduce and react with it to form low-melting manganese silicate. Therefore, the reduction reaction of MnO is actually carried out in the manganese silicate of liquid slag. The state and melting point of manganese silicate are: MnO+ SiO2=MnSiO3 t melting =1250℃ 2MnO+ SiO2=Mn2SiO4 t melting =1345℃ Because manganese and carbon can be naturally stable compound Mn3C, the manganese carbide Mn3C is obtained by direct reduction of carbon.

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