The 40t LF furnace lining has harsh operating conditions, and its working atmosphere is at a high temperature of 1580~1600°C. Vacuum, the ultimate vacuum degree reaches 66.66Pa. Argon blowing, Ar flow rate Q=50L/min. Strong stirring, unit stirring energy is 220W/m3.
![40t LF Refining Furnace](https://kilnrefractory.com/wp-content/uploads/2021/05/40t-LF-Refining-Furnace.jpg)
Refractory Brick Scheme for Slag Line of 40t LF Refining Furnace
(1) Fused rebonded magnesia chrome bricks. It adopts magnesia chrome sand synthesized from high-purity raw materials, which is formed by high-pressure forming and high-temperature firing. The brick has good high-temperature performance, high direct bonding degree, high strength, and thermal shock resistance. In the early 1990s, pre-reacted magnesia-chrome bricks were used in the slag line of the LF furnace, and the service life was increased from 10 to 12 times to 38 times.
![Fused Rebonded Magnesia-Chrome Bricks](https://kilnrefractory.com/wp-content/uploads/2021/05/Fused-Rebonded-Magnesia-Chrome-Bricks.jpg)
(2) Magnesia carbon brick. Use high-purity raw materials, flake graphite, metal antioxidants, and resin-bonded magnesia carbon bricks. High-quality magnesia-chrome bricks and magnesia-carbon bricks were used in LF slag line parts in 1999, with an average life span of 70 times.
![Buy Magnesia Carbon Brick From Rongsheng Manufacturer](https://kilnrefractory.com/wp-content/uploads/2017/03/Magnesia-Carbon-Brick.jpg)
To learn more about Rongsheng refractory materials, please contact us.
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