Donggang fused magnesia manufacturer
Magnesite is calcined at high temperature from magnesite, bischofite or magnesium hydroxide extracted from seawater. It is a general term for the products of magnesite and other magnesia raw materials that have been treated at high temperature to reach the sintering process. Magnesite sintered from natural magnesite is made by one-step or two-step calcination process with high-temperature equipment such as shaft kiln and rotary kiln; Seawater magnesia is produced by extracting magnesium oxide from seawater after magnesite and other raw materials are melted in an electric arc furnace and cooled.
Donggang fused magnesia manufacturer
High purity magnesite is produced by flotation purification of natural super grade magnesite through light burning, fine grinding, ball pressing and ultra-high temperature oil shaft kiln calcination. It is a high-quality raw material for brick making and indefinite refractory. Medium grade magnesia is produced from light burned magnesia with 97% MgO as raw material by pressing ball and calcining in high temperature shaft kiln. The product has good sintering degree and dense crystallization. It is a high-quality raw material for producing medium grade magnesia refractory products.
Donggang fused magnesia manufacturer
In addition, medium grade magnesia is used in metallurgy to manufacture metallurgical powder for joining furnace bottom and furnace wall, and to manufacture slurry spraying furnace lining: to manufacture magnesia bricks and magnesia chrome bricks; In addition to being used as lining of furnace bottom, it is also widely used in electric steelmaking furnace, heating furnace, non-ferrous metal converting furnace and rotary furnace. Use of Dicalcium fused magnesia in fused magnesia manufacturers
Donggang fused magnesia manufacturer
Magnesite is magnesium oxide, which can be made from magnesite, brucite, dolomite, serpentine, olivine and other minerals. Generally, magnesite and brucite can be used as raw materials to calcine and decompose into magnesium oxide, which crystallizes differently due to different calcination temperatures. The magnesium oxide calcined at 600-1000 ℃ is called active magnesium oxide, and the magnesium oxide calcined at 1400-1800 ℃ is called dead burned magnesium oxide. The above two kinds of magnesium oxide are also commonly called light magnesium oxide, commonly known as furnace magnesia.
Donggang fused magnesia manufacturer
Main uses of fused magnesia: fused magnesia is mainly used for auxiliary refractory materials such as gunning materials and ramming materials, electrical grade magnesia powder for flow-through bricks, magnesia bricks, magnesia chrome bricks, 97 fused magnesia, 98 fused magnesia and other special refractory bricks, and can also be used as refractory lining on vacuum and non vacuum induction furnaces and electric arc furnaces. It is an ideal raw material for making magnesia crucibles, furnace liners and various high-temperature casings.
