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Classification of Unshaped Refractory Materials

Unshaped refractory materials, also known as bulk refractory materials or monolithics refractories, are composed of bulk particles and fine powders. They do not require firing or forming before use. Depending on the requirements, the composition and properties of the material can be flexibly changed, including the refractory material’s components and particle size, the type and … Read more

Hazardous Waste Rotary Kiln Incinerator Refractory Lining Design

In the design and optimization of the refractory lining for a hazardous waste rotary kiln incinerator, several key considerations should be taken into account to ensure efficient and reliable operation. Below are recommendations for the design and optimization of the refractory lining. Optimization Recommendations for Hazardous Waste Rotary Kiln Incinerator Material Selection Choose high-quality refractory … Read more

Rotary Kiln Incinerator for Hazardous Waste Treatment

The diverse types, complex compositions, and regional variations of hazardous waste pose a significant challenge, and improper handling can lead to a range of environmental and societal issues. High-temperature incineration has proven to be an effective method for the safe disposal and volume reduction of hazardous waste. Among these methods, the rotary kiln incineration process … Read more

Circulating Fluidized Bed Waste Incinerator and Refractory Materials

The circulating fluidized bed waste incinerator is designed based on circulating fluidized bed combustion technology. It has significant advantages for the incineration of waste such as garbage, sludge, and wastewater. The circulating fluidized bed waste incinerator is in line with the economic level of our country and is suitable for treating low-calorific-value waste. It is … Read more

Refractory Materials for Glass Kilns with Full Oxygen Combustion

fused α-β-Alumina

After adopting the full oxygen combustion technology in glass melting furnaces, the volume concentration of water vapor in the flame space significantly increases, and the volume concentration of alkali volatile substances increases by 3 to 6 times. In cases where there is a relatively large upper space in traditional air-assisted combustion kilns, siliceous materials are … Read more

High-Temperature Micro-Expansion Refractory Application and Characteristics

High-temperature micro-expansion refractory, also known as high-temperature micro-expansion refractory plastic, is a specialized material designed for applications in high-temperature environments, particularly those involving thermal expansion and contraction. Here are some key details about its application and characteristics. Application of High-Temperature Micro-Expansion Refractory High-temperature micro-expansion refractory plastic is primarily used for internal lining, sealing, reinforcement, etc., … Read more

High Alumina Bricks: Foundation of Heat-Resistant Structures

High-Alumina Refractory Bricks High-alumina refractory bricks are a type of refractory material known for their high alumina content, typically composed of alumina (Al2O3) at a level of 48% to 95%. These bricks exhibit excellent refractoriness, which means they can withstand high temperatures without undergoing significant deformation or damage. Features of High-Alumina Refractory Bricks High-alumina refractory bricks … Read more

Some Issues about Silicon Carbide Bricks

Silicon carbide bricks are high-grade refractory bricks made primarily from silicon carbide. The production involves blending high-purity silicon carbide powder with highly reactive silicon carbide fines, followed by injection molding and high-temperature vacuum sintering to induce recrystallization, resulting in advanced refractory bricks. Silicon Carbide Bricks The primary component of silicon carbide bricks is SiC, with … Read more

Refractories for Rotary Kilns in Five Industries

insulation board application

Rotary kilns are cylindrical steel structures lined with refractory materials. They are employed in industries such as building materials, metallurgy, chemicals, and environmental protection for the calcination of materials through a rotating process. The cement industry utilizes rotary kilns the most, with thousands of them nationwide. Following closely are the black and non-ferrous metallurgical industries, where … Read more

Refractory Castables Used on High-temperature Kilns

Application of refractory castables in cement rotary kilns Refractory castables are widely used in new dry-process cement rotary kilns. According to the different working environments of the kilns, the applied refractory castables include ordinary refractory castables, low-cement refractory castables, ultra-low-cement refractory castables, no-cement refractory castables, steel fiber refractory castables, explosion-proof refractory castables, anti-spalling refractory castables, … Read more

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