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Introduction to rotary kiln

Rotary kilns can be divided into cement rotary kilns, metallurgical chemical rotary kilns and lime rotary kilns according to different materials processed. Rotary kilns are widely used in metallurgy, chemical industry, construction refractory materials, sanitation and other industries. Cement rotary kiln is the main equipment of cement clinker dry and wet production lines.

Common rotary kiln models and specifications

Common models expressed in diameter and length

Der Φ1.9×36m rotary kiln is suitable for cement production, biomass drying and other fields. It is more suitable for small and medium-sized factories. It has high work efficiency, but the processing capacity is relatively small and is not suitable for large-scale production.
Der Φ2.2×45m rotary kiln is suitable for metallurgy, building materials and other fields. The processing capacity is larger than that of the Φ1.9×36m model and can be used for medium-sized production.
Φ2.5×50, Φ3.0×45, Φ3.2×50, Φ4.0×60, Φ4.8×74, usw. are also common rotary kiln models. The output, weight and click power of equipment of different specifications and models are also different, which are suitable for different production needs and industries.
Der Φ3.0×48m rotary kiln is suitable for mining, chemical industry and other fields. It is suitable for large-scale production and has a large processing capacity.

Characteristics of rotary kiln

The rotary kiln has efficient production capacity, can process multiple raw materials at the same time, achieves continuous production, and is widely used in various industrial fields.
The energy-saving performance of the rotary kiln is very outstanding. During its operation, the thermal energy of the material itself and the waste heat of the flue gas and other resources are used for combustion, which reduces the consumption of external energy and reduces production costs.
The rotary kiln uses reliable mechanical transmission devices, process control systems and combustion equipment, which can achieve precise process parameter control and operation control, thereby ensuring the stability and reliability of the equipment during long-term operation.

Classification of rotary kilns

Classification by processed materials: Zement-Drehrohrofen; metallurgical rotary kiln; lime rotary kiln; alumina rotary kiln, usw.
Classification by sintering temperature: low temperature rotary kiln; medium temperature rotary kiln; high temperature rotary kiln
Classification by use: test (experimental) rotary kiln; production rotary kiln
Classification by size: small rotary kiln; medium rotary kiln; large rotary kiln

Zement-Drehrohrofen

Cement rotary kiln is an important building material equipment, mainly used for calcining cement clinker. It is mainly divided into two types: dry method and wet method, which are suitable for different production needs. The working principle of the rotary kiln is to operate slowly under heavy load alternation under high temperature. The maintenance of its accessory equipment and the level of thermal system control are directly related to the safety and efficiency of the rotary kiln operation.

Metallurgical and chemical rotary kiln

Metallurgical and chemical rotary kiln is a type of rotary kiln, which has important applications in the metallurgical and chemical industries. It is a cylindrical equipment. When working, the cylinder is placed on the supporting wheel, and the cylinder rotates under the drive of the motor, so it is called a rotary kiln or a rotary calcining kiln (commonly known as a rotary kiln), which belongs to the category of building material equipment.

Lime rotary kiln

Lime rotary kiln is also known as drum rotary kiln. It has advanced structure and reliable combined scale seals at both ends of the rotary kiln. Make the air leakage coefficient less than 10% and use composite refractory materials to reduce radiation heat loss.