Refractory bricks are widely used in various high – temperature industrial fields due to their excellent properties such as high temperature resistance, heat insulation, and abrasion resistance. Here are some common applications:
Metallurgical Industry: In blast furnaces, refractory bricks are used to build the furnace lining, which can withstand the erosion of high – temperature molten iron and slag, ensuring the normal operation of the blast furnace. In steel – making converters, refractory bricks serve as the furnace lining material, resisting the scouring of molten steel and high – temperature oxidation.
Building Materials Industry: The cement rotary kiln is a key equipment in cement production. Refractory bricks are used inside it to insulate and protect the kiln body, reducing heat loss and improving thermal efficiency. In glass furnaces, refractory bricks are also required for the furnace walls, furnace roofs and other parts to withstand the erosion of high – temperature glass melt and the scouring of high – temperature flue gas.
Power Industry: In circulating fluidized bed boilers, refractory bricks are used in the furnace and cyclone separators to resist the wear and scouring of high – temperature materials, ensuring the safe and stable operation of the boiler.
Chemical Industry: In the cracking furnaces of the petrochemical industry, refractory bricks are used for the furnace lining to endure the harsh environment of high – temperature cracking reactions. In the gas – making furnaces of fertilizer production, refractory bricks can resist the erosion and scouring of high – temperature gas.
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