- Time:Jul 26, 2023
High alumina castable is a castable material made of high-purity alumina and other refractory materials, which has the following advantages:
1. Good high temperature resistance: High alumina castables have excellent high temperature resistance, can withstand the erosion of molten metal and slag at extremely high temperatures, and maintain the stability and integrity of the structure.
2. Excellent corrosion resistance: high alumina castables have strong resistance to acidic, neutral and alkaline substances. It can withstand various corrosive media produced in the smelting process, such as molten metal, slag and chemicals, etc.
3. High strength and good durability: High-aluminum castables have excellent mechanical strength and durability, can withstand various stresses and impact loads, and prolong service life.
4. Excellent thermal conductivity: high alumina castable has good thermal conductivity, can conduct heat quickly, effectively disperse and release heat, and improve the working efficiency of equipment.
5. Easy construction and maintenance: high alumina castable has good plasticity and fluidity, which is convenient for construction and forming complex lining shapes. At the same time, it is relatively stable during use and is not prone to problems such as cracking and damage, reducing the need for maintenance and repair.
6. Good thermal shock stability: high alumina castables have good thermal shock stability, can withstand thermal stress during rapid temperature changes, and reduce the risk of damage caused by thermal expansion and contraction.
Based on these advantages, high-alumina castables are widely used in various high-temperature equipment and metallurgical industries, such as iron and steel smelting furnaces, aluminum electrolytic cells, glass furnaces, cement kilns, etc. It can provide reliable lining protection, prolong equipment life, improve production efficiency, and maintain structural integrity and safety under extreme working conditions.
