There are several types of fused magnesia calcined dolomite

There are three main types of fused magnesia; 1. ordinary fused magnesia, 2. low-silicon and high-calcium fused magnesia, 3. large crystal fused magnesia; performance of mid-grade magnesia

1. Ordinary fused magnesia products are mainly made of magnesite or light-burned magnesia with a content of more than 47% as the main raw material and melted at high temperature in an arc. Calcined dolomite periclase has large grain size, compact structure, strong slag resistance, and excellent volume stability at high temperature. The main use of fused magnesia: fused magnesia is mainly used as a good raw material for advanced alkaline bricks, carbon-containing products and unshaped refractories.

2. Low-silicon and high-calcium fused magnesia products are mainly made of low-silicon magnesite as raw material and smelted in a high-temperature electric melting furnace. Its characteristics are that the calcium-silicon ratio is greater than 2, the grains are fully developed, and the bulk density of the particles is greater than 3.50g/cm3. Low silicon and high calcium fused magnesia is mainly used as a good raw material for medium frequency induction furnace smelting, high manganese steel, stainless steel, high gong steel, advanced basic brick, carbon-containing products and unshaped refractory materials.

Mid-range magnesia performance

3. The production process of large crystal fused magnesia: The large crystal fused magnesia is mainly made of selected super-grade natural magnesite or high-quality high-purity light-burned magnesia particles and melted in an electric arc furnace. The product has high purity, large crystal grains, compact structure, strong slag resistance and good thermal shock stability. raw material. Widely used in metallurgy, chemical industry, national defense, scientific research, aerospace, household electrical components, etc.

Features of large crystal fused magnesia: high purity, large melting crystal grains, high point structure, dense structure; good thermal shock stability; good high temperature flexural strength; good slag resistance and corrosion resistance; thermal conductivity Strong performance and high insulation.

Product use of large crystal fused magnesia: large crystal fused magnesia is used as the lining refractory material of steelmaking furnace, and it is a high-quality and high-grade basic refractory raw material for making refractory bricks and unshaped refractory materials; it can also be used as a filler for making Thermocouples and thermal insulation materials (household appliances, etc.); also used in ceramic raw materials and sintering aids, as well as metallurgy, building materials, chemicals, national defense, medical equipment, etc.