新型建材之“堿性耐火材料”（氧化鎂、輕燒鎂粉等） "Alkaline refractories" for new building materials (magnesium oxide, lightly burned magnesium powder, etc.)
發布日期：2015-09-23 00:00 來源：http://www.usygg.com 點擊：
http://www.usygg.com Alkaline refractory mainly refers to refractory with light-burned magnesium balls and light-burned magnesium powder as the main components, and has strong resistance to erosion by alkaline slag.
Commonly used are magnesium balls. Magnesium balls containing 80% to 85% of magnesium oxide have good resistance to alkaline slag and iron slag, and their fire resistance is higher than that of clay bricks and silica bricks. It is mainly used in open hearth furnace, oxygen blowing converter, electric furnace, non-ferrous metal smelting equipment and some high temperature equipment.
Characteristics of alkaline refractories
Inorganic non-metallic materials with a fire resistance higher than 1580 ° C. Refractory refers to the Celsius temperature of the refractory cone sample without resistance to high temperature without softening and melting. Refractory materials and high-temperature technology have emerged, which originated roughly in the middle of the Bronze Age. During the Eastern Han Dynasty in China, clay-based refractory materials were used to make porcelain kiln materials and casks. At the beginning of the 20th century, refractories developed towards high-purity, high-density, and ultra-high-temperature products. At the same time, unshaped refractories and refractory fibers that did not require firing at all and had low energy consumption appeared. In modern times, with the development of atomic energy technology, space technology and new energy technology, refractory materials with comprehensive and excellent properties such as high temperature resistance, corrosion resistance, thermal vibration resistance, erosion resistance, etc. have been applied.
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