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High-alumina cement, also known as aluminate cement or bauxite cement, is a hydraulic cementitious material with calcium aluminate as its main mineral component. Its main raw materials are bauxite and limestone, which are calcined at high temperatures, cooled, and then ground. High-alumina cement possesses excellent properties such as rapid hardening, high strength, high temperature resistance, … Read more
High corrosion-resistant refractory bricks are selected primarily based on the type of corrosive media (acidic, alkaline, alkali metals, high-temperature flue gas, etc.) and operating conditions (temperature, erosion intensity). Below are the material classifications, performance characteristics, and applicable scenarios for several types of high corrosion-resistant refractory bricks: Silicon carbide refractory bricks (silicon carbide bricks, silicon nitride-bonded … Read more
Although both alumina filler balls and alumina refractory balls use alumina (Al₂O₃) as their main raw material and are spherical in shape, they differ significantly in raw material ratios, core properties, microstructure, and industrial applications. The specific differences are as follows: Different Raw Materials and Ratios Alumina Filler Balls: Primarily composed of high-purity alumina (usually … Read more
The carbon black reactor is a critical piece of equipment in the carbon black production process. The reactor consists of five main components: the combustion chamber, the throat, the reaction section, the quenching section, and the holding section. Damage to the reactor’s furnace lining materials is primarily caused by erosion from high-temperature, high-velocity gas flows; … Read more
Steel fiber castable is a type of reinforced refractory castable. It is primarily manufactured using super-grade bauxite clinker as the aggregate, high-quality bauxite clinker and fine corundum powder as the matrix, and various composite materials—including ultrafine powders—as binders and additives, with the further addition of heat-resistant stainless steel fibers to provide reinforcement. Get a Free … Read more
Refractory materials play a pivotal role in the field of ceramic kilns. Among these, specialized mullite bricks, high-alumina bricks, fireclay bricks, and high-alumina lightweight bricks stand out as star products. Mullite Bricks Mullite bricks designed for ceramic sintering kilns are a widely used refractory material. Their primary crystalline phase is mullite, with an alumina content … Read more
Low-creep high-alumina checker bricks are a specialized type of refractory heat-storage material distinguished by their exceptional high-temperature performance. Their core characteristics include an extremely low creep rate under high-temperature load (creep rate < 0.5% at 1350°C/0.2 MPa/50 h), robust volume stability, excellent thermal shock resistance, and strong resistance to alkali metal corrosion, abrasion, and erosion. … Read more
Refractory balls are manufactured using industrial alumina and refractory kaolin as primary raw materials, processed through scientific formulation, molding, and high-temperature calcination. The key characteristics of refractory balls include: High mechanical strength and a long service life. Excellent chemical stability; they do not react chemically with the materials they contact. Superior high-temperature resistance. Low thermal … Read more
Rotary Kiln Incinerator Systems and Requirements for Refractory Materials. A rotary kiln incineration system typically consists of a rotary kiln, a secondary combustion chamber, a waste heat boiler, a quench tower, an acid removal tower, and a dust removal system. Following pretreatment, various types of hazardous waste are introduced into the combustion system via different … Read more
Aluminate cement, a type of specialty cement, is also known as refractory cement. It serves as an indispensable hydraulic cementing material within the refractory industry. It constitutes a critical raw material in the national economy—particularly in the formulation of refractory materials for high-temperature kilns and furnaces across sectors such as metallurgy, chemicals, electric power, and … Read more
