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What are the refractory materials for electric furnace
  • Time:Jun 28, 2023
  • Views: 1

Refractory materials for electric furnaces refer to materials with excellent refractory performance and mechanical strength in special environments such as high temperature, acid and alkali, and are widely used in metallurgy, chemical industry, glass, ceramics and other industries. The following are common refractories for electric furnaces:

1. Silicate refractory materials: Silicate refractory materials mainly include aluminum silicate, calcium silicate, etc., which have the characteristics of good high temperature stability and strong corrosion resistance. They are suitable for electric furnace lining, insulation layer, crucible, Kiln shell and other parts.

2. Alumina-based refractory materials: Alumina-based refractory materials include alumina bricks, alumina ceramsite, etc., which have the characteristics of high purity, high temperature stability, and corrosion resistance, and are suitable for use in high-temperature equipment such as electric arc furnaces and induction furnaces. Lining, insulation layer, crucible and other parts.

3. Silicon carbide refractory materials: Silicon carbide refractory materials are mainly made of silicon carbide particles, which have the characteristics of high temperature stability and good corrosion resistance, and are suitable for electric furnace lining, kiln shell and various crucibles.

4. Silicon nitride refractory materials: Silicon nitride refractory materials are made of silicon nitride particles, which have the characteristics of high temperature stability, low thermal conductivity, and good corrosion resistance. They are widely used in the production of solar cells and semiconductor materials. Production and other industries.

5. High-alumina castable: High-alumina castable is a commonly used refractory material for electric furnaces. It has excellent characteristics such as high temperature resistance and corrosion resistance, and can be used for electric furnace linings and bottom plate repairs.

castable

In short, when selecting refractory materials for electric furnaces, it is necessary to comprehensively consider factors such as different service conditions, process requirements, and economic costs, and select appropriate materials according to actual needs.

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