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Sillimanite bricks for glass kilns are refractory bricks made of sillimanite minerals. Sillimanite is converted into mullite and free silica after high-temperature calcination. Generally, it is produced by the high-temperature firing method and mud casting method. Its physical and chemical properties are better than high alumina bricks, with a refractoriness of 1770~1830℃ and a softening … Read more
The corrosion resistance of refractory bricks is divided into two types: alkaline and acidic, and it is also the corrosion of both acid and alkali. Therefore, it is necessary to understand the performance of refractory bricks of different materials in order to better choose them. The types of refractory bricks are divided into silicon aluminum … Read more
Different waste incinerators, different use parts, use different temperatures. Waste incinerators need to choose refractory materials according to the operating temperature. The service temperature of the roof, side wall, and burner of the combustion chamber is 1000-1400°C. High-alumina bricks and clay bricks with a refractoriness of 1750-1790°C can be selected, and plastic refractory materials with … Read more
Andalusite bricks with good performance are made by using burnt gemstones and andalusite as aggregates, first-grade bauxite clinker, and andalusite as a fine powder. The brick has been used in the combustion port of a hot blast stove in a steel factory. There are many applications of andalusite refractories in hot blast stoves, coke dry … Read more
Carbon material production kilns mainly include carbon raw material electric heating roasting furnaces, semi-finished product roasting furnaces, and graphitization furnaces. (1) Refractories for raw material roasting furnaces. The commonly used types of raw material electric heating roasting furnaces are tank furnaces and rotary kilns. The outer side of the working layer of the tank body … Read more
Alumina brick is a high-performance refractory material whose main component is alumina (Al2O3). Usually, high-purity alumina is used as raw material, which is sintered at high temperatures. It has a wide range of application scenarios and is mainly used in various refractory equipment in harsh environments such as high temperature, high pressure, and corrosion. During … Read more
75 high-alumina bricks for high-temperature kilns, 75 high-alumina bricks for boilers, wholesale of high-alumina bricks of various specifications, and Rongsheng high-alumina refractory materials manufacturers. Rongsheng first-grade high-alumina brick, that is, a neutral refractory material with an alumina content of not less than 75%. It is formed and calcined from bauxite or other raw materials with … Read more
The heat storage alumina ceramic ball of the heat preservation furnace can be known directly from the name that it is a material used for heat storage and heat preservation in high-temperature furnaces. So specifically, what does the heat storage alumina ceramic ball look like? Which high-temperature kiln heat storage can ceramic balls be applied … Read more
Aluminate cement is a kind of special cement, that also has many names. For example, refractory cement, 625 cement, high alumina cement, CA-50 cement, etc. Calcium Aluminate Cement Uses as a binder for monolithic refractory castables, aluminate cement has a wide range of applications and is mostly used for building and bonding kilns in the … Read more
In recent years, aluminum alloy products have become the most widely used non-ferrous metal materials. Therefore, melting furnaces and holding furnaces for aluminum alloy smelting is also increasing. During the smelting process of aluminum alloy, due to the long-term high-temperature erosion of molten aluminum, slag, and air, the refractory castables used are frequently damaged, which … Read more
