The Rotary Kiln manufactured by Zhengzhou Zhenggang Machinery Co., Ltd. is a rotary cylinder equipment used for the mechanical, physical, and chemical treatment of solid materials. It is widely applied in cement, lime, metallurgy, chemical, and environmental production lines for calcining cement clinker, producing active lime, roasting ores, sintering minerals, and processing intermediate materials. The kiln adopts a slightly inclined cylindrical shell that rotates slowly on supporting devices, allowing raw materials to move continuously from the feeding end to the discharge end. During operation, materials go through drying, heating, decomposition, and sintering, while hot air flows countercurrently to improve heat exchange efficiency. With stable operation, uniform calcination, reliable sealing, and strong adaptability, the rotary kiln is a core thermal processing machine for industrial calcination systems.
Optimized kiln structure and countercurrent heat exchange improve thermal utilization and help reduce overall energy consumption.
Stable material movement and controlled airflow ensure consistent temperature distribution and uniform calcination quality.
The kiln shell, supporting rollers, kiln tyre, girth gear, and transmission system are designed for stable long-term industrial operation.
Kiln head and kiln tail sealing systems help prevent air leakage, reduce heat loss, and improve combustion efficiency.
High-temperature refractory lining protects the kiln shell from heat and wear, supporting longer equipment service life.
Variable-speed transmission and automation control support precise operation, convenient monitoring, and reduced manual intervention.

Used in cement production lines for calcining raw materials into cement clinker with stable thermal processing.

Suitable for calcining limestone and dolomite to produce active lime for steel, construction, and chemical industries.

Applied in metallurgy for roasting ores, pellets, and intermediate mineral materials before further processing.

Used for calcining kaolin, gypsum, alumina, and other chemical or mineral materials.

Applicable for high-temperature treatment of solid waste and hazardous materials in environmental processing systems.

Suitable for continuous calcination of limestone, cement clinker, dolomite, kaolin, gypsum, and mineral materials in cement plants, lime plants, metallurgy, and building material industries.
Get detailed flow diagrams, equipment specifications, and design guidelines
The Rotary Kiln can process cement clinker, limestone, dolomite, kaolin, gypsum, alumina, ores, minerals, and other solid materials for calcination, roasting, or sintering.
The capacity range is approximately 2–20 TPH, depending on the model, material type, and production process.
Rotary kilns are widely used in cement, lime, metallurgy, chemical, building materials, and environmental treatment industries.
The rotary kiln can be equipped with gas, coal, or oil burner systems according to customer requirements.
Yes, the kiln diameter, length, capacity, transmission system, burner system, and supporting equipment can be customized according to the production line.
Lime Calcination Plant • Peru
The Rotary Kiln provides stable calcination performance and uniform heating. It operates reliably in continuous production and helps maintain good product quality in our lime processing line.
Genuine OEM wear parts and consumables designed specifically for Zhenggang equipment — ensuring maximum uptime and consistent performance.
We supply genuine OEM spare parts for all Zhenggang equipment models. Contact our parts team for custom specifications, bulk pricing, and fast delivery worldwide.