Blast Furnace Semi-Graphite Carbon Bricks
- Thermal conductivity is significantly improved.
- Better resistance to alkali metal salt corrosion.
- Used to build the lower part of the furnace bottom and the upper part of the furnace hearth.
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Rongsheng blast furnace semi-graphite carbon bricks. The main feature of semi-graphite carbon bricks is that they use high-temperature electric calcined anthracite as raw material. The electric calcination temperature can reach 1500~2000℃, which makes the anthracite enter a semi-graphitized state (its resistivity is more than 50% lower than that of ordinary calcined anthracite). Semi-graphite carbon bricks generally do not use metallurgical coke as powder during production but use ground graphite (graphite electrode waste or cutting debris during processing) as powder. The thermal conductivity of this semi-graphite brick is significantly improved, and its resistance to alkali metal salt corrosion is much better than that of ordinary carbon bricks. Semi-graphite carbon bricks for blast furnaces are used to build the lower part of the furnace bottom and the upper part of the furnace hearth of the intensified smelting blast furnace.
Physical and Chemical Indicators of Blast Furnace Semi-Graphite Carbon Bricks
Physical and Chemical Indicators of Blast Furnace Semi-Graphite Carbon Bricks in Rongsheng | |
True Density, g/cm3 ≥ | 1.90 |
Bulk Density, g/cm3 ≥ | 1.50 |
True Porosity, % ≤ | 20 |
Compressive Strength, MPa ≥ | 30 |
Bending Strength, MPa ≥ | 7.8 |
Ash Content, % ≤ | 8 |
Alkali Resistance | U or LC |
Thermal Conductivity, 800℃ W/(m·K) ≥ | 7 |
Rongsheng Semi-graphite Carbon Brick Manufacturer
Rongsheng is a powerful manufacturer and seller of refractory bricks. Rongsheng can provide the design, supply, and construction of lining materials for high-temperature industrial furnaces. Rongsheng’s blast furnace semi-graphite carbon bricks are of high quality and long service life. If you have a project that requires the purchase of high-quality blast furnace carbon bricks, electric furnace carbon blocks, and aluminum electrolytic cell carbon blocks, please choose Rongsheng. Contact Rongsheng for free samples and quotes.