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Melting Point and Permissible Maximum Working Temperature of Lining Material of Medium Frequency Furnace

Author : hongteng Time : 2021-05-24
Lining material Mineral component(%) Melting point(℃) Max.working temperature(℃) Remarks
Electrofused calcium oxide CaO≥96 2570 1850 Alkalinity
Fused magnesite MgO≥98 2300 1800 Alkalinity
Magnesite clinker MgO≥96 2000 1750 Alkalinity
Alcoholic spinel

MgO 28.3  Al2O3 71.7

2135 1750 Neutral
Electrofused mullite

Al2O3 71.8  SiO2 28.2

1870 1600 Neutral
Zirconite ZrO2·SiO2≥95 2693 1650 Neutral
Silica SiO2≥96 1700 1550 Acidity

 

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