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What are the uses of spinel fire bricks?
  • Time:May 18, 2023
  • Views: 3

Spinel fire bricks are a type of refractory brick made from spinel, a mineral composed of magnesium aluminum oxide. These bricks have excellent thermal shock resistance, high-temperature stability, and resistance to corrosion and erosion by molten materials. As a result, they are widely used in high-temperature applications, particularly in industries such as steelmaking, nonferrous metal smelting, glass production, and petrochemicals. Here are some of the common uses of spinel fire bricks:
1.Steelmaking
Spinel fire bricks are used as linings for steelmaking furnaces and ladles due to their high thermal shock resistance and resistance to corrosion by molten steel.
2.Nonferrous metal smelting
Spinel fire bricks are used in copper, nickel, and other nonferrous metal smelting furnaces, where they provide excellent thermal insulation and resistance to corrosive slag.
3.Glass production
Spinel fire bricks are used as insulating materials in glass melting furnaces, particularly in areas that are exposed to high temperatures and thermal shock, such as working ends and crown sections.

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4.Petrochemical industry
Spinel fire bricks are used in the lining of high-temperature reaction vessels and furnaces in the petrochemical industry, where they provide excellent thermal stability and resistance to chemical attack by acids, alkalis, and other chemicals.
5.Ceramic production
Spinel fire bricks are used in the kilns used for ceramic production, where they provide good thermal insulation and resistance to thermal shock.
Overall, spinel fire bricks have a wide range of applications in high-temperature industries due to their excellent properties, including thermal shock resistance, high-temperature stability, and resistance to corrosion and erosion.

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