北京What is the use of medium grade magnesia?

The use of magnesia has received increasing attention with the development of the magnesia industry, and magnesia has become an important product in industrial production. Understanding the use of fused magnesia is of great significance for the better development of the magnesia industry. Fused sand

Magnesia is a general term for the products of magnesite and other magnesia raw materials that have been treated at high temperatures to achieve a sintering degree. Magnesia produced by using high-temperature equipment such as shaft kilns and rotary kilns as a single or two-step calcination process and using natural magnesite as raw material is called sintered magnesia; Using magnesite and other raw materials as raw materials, which are melted in an electric arc furnace and cooled to a molten state, is called fused magnesia; Extracting magnesium oxide from seawater is called seawater magnesia. Magnesia is one of the important raw materials for refractory material Z. It is used for manufacturing various magnesium bricks, magnesium aluminum bricks, ramming materials, furnace repair materials, etc. Containing a large amount of impurities, it is used to pave the bottom of the steelmaking furnace, etc.

Magnesia can be divided into fused magnesia, medium grade magnesia, high purity magnesia, and heavy burned magnesia.

Heavy burned magnesia is made from natural magnesite ore calcined in a high-temperature shaft kiln. Uses of heavy burned magnesia: raw materials for brick making and production of unshaped refractory materials, and finished products for steelmaking, electric furnace bottoms, and ramming furnace linings.

Electrofused magnesia is produced by melting selected grade A natural magnesite or high-purity calcined magnesium particles in an electric arc furnace. This product has high purity, large crystalline particles, dense structure, strong slag resistance, and good thermal shock stability. Therefore, the use of heavy electric fused magnesia is: it is an excellent high-temperature electrical insulation material, and is also an important raw material for producing high-grade magnesia bricks, magnesia carbon bricks, and amorphous refractory materials.

Medium grade magnesia is produced from lightly burned magnesium oxide with a MgO content of 97% by pressing balls and calcining in a high temperature shaft kiln. The product has good sintering degree and dense crystallization. The purpose of medium grade magnesia is: it is a high-quality raw material for producing medium grade magnesia refractory products.

High purity magnesia is produced by selecting natural super grade magnesite ore for flotation purification, through light burning, fine grinding, ball pressing, and ultra high temperature oil shaft kiln calcination. The use of high-purity magnesia is: it is a high-quality raw material for brick making and refractory materials.