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Refractory materials for calcining dolomite used in producing quicklime and metallic magnesium

Category:

Refractory materials for heating furnaces


Product Description

  With the continued growth of the national economy, China’s production of calcined dolomite for active lime and metallic magnesium is steadily increasing year by year, steadily moving toward advanced technologies, high-quality standards, and large-scale, energy-efficient, emission-reducing, and low-carbon operations. Meanwhile, the refractory materials used in these industrial kilns are highly complex and demand exceptionally high performance characteristics.

  In recent years, our company has developed and introduced mullite-based phosphate-bonded anti-spalling and wear-resistant bricks, as well as composite refractories—specifically tailored to meet the demanding requirements of industrial kilns used for calcining dolomite and producing active lime for metallic magnesium applications. Additionally, we’ve created high-performance materials such as plastic castables for preheaters and coolers, alumina-based steel-fiber wear-resistant castables, self-flowing castables for furnace roofs, mullite-alumina-silicon carbide wear-resistant bricks, and micro-expansive castables designed for reducing furnace roofs. These innovative refractory products have already established themselves as top-quality solutions for industrial kiln applications, earning widespread praise and strong endorsements from our valued customers.

  Phosphate-bonded wear-resistant bricks are refractory products manufactured using specially formulated additives combined with high-concentration phosphoric acid as a binder. These bricks exhibit exceptional wear resistance, high load softening temperature, and excellent thermal shock stability, making them ideal for rotary kilns operating at heights of 2.5 meters or less.

  Mullite-corundum-silicon carbide bricks are produced using an optimal formulation of corundum and silicon carbide, combined with specialized binders and additives. These products boast high load softening temperatures, exceptional resistance to erosion, and outstanding wear resistance—making them ideal for use in cooler sections.

 

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