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MgO-C brick is a kind of high melting point basic oxide MgO (melting point 2800 ℃) and high melting point carbon material which is difficult to be infiltrated by slag. The composite refractories without burning carbon are made of carbon binder. It is mainly used for the lining of carbon slag in converter and DC arc furnace.
As a kind of composite refractory material, magnesia carbon brick effectively utilizes magnesia's strong slag corrosion resistance, high thermal conductivity and low expansion of carbon, and compensates for the poor spalling resistance of magnesia. Its main characteristics are: 1. Good high temperature resistance; 2. Strong slag resistance; 3. Good thermal shock resistance; 4. Low high temperature creep.
Effect of raw materials on properties of magnesia carbon brick
The quality of magnesia has a very important influence on the performance of magnesia carbon brick. How to choose magnesia reasonably is the key to produce magnesia carbon brick. Magnesia includes fused magnesia and sintered magnesia, which have different characteristics. Fused magnesia: large grains, less impurities, less silicate phase, high degree of direct combination of grains, less grain boundaries.
MgO-C brick is a kind of high melting point basic oxide MgO (melting point 2800 ℃) and high melting point carbon material which is difficult to be infiltrated by slag. The composite refractories without burning carbon are made of carbon binder. It is mainly used for the lining of carbon slag in converter and DC arc furnace.
As a kind of composite refractory material, magnesia carbon brick effectively utilizes magnesia's strong slag corrosion resistance, high thermal conductivity and low expansion of carbon, and compensates for the poor spalling resistance of magnesia. Its main characteristics are: 1. Good high temperature resistance; 2. Strong slag resistance; 3. Good thermal shock resistance; 4. Low high temperature creep.
Effect of raw materials on properties of magnesia carbon brick
The quality of magnesia has a very important influence on the performance of magnesia carbon brick. How to choose magnesia reasonably is the key to produce magnesia carbon brick. Magnesia includes fused magnesia and sintered magnesia, which have different characteristics. Fused magnesia: large grains, less impurities, less silicate phase, high degree of direct combination of grains, less grain boundaries.
