Rotary Kilns Explained

A rotary kiln is a large, slowly rotating steel cylinder, lined with heat-resistant refractory, that processes material as it tumbles through the drum. Set at a slight incline and heated to temperatures that can exceed 1,000 °C, it carries out drying, calcination, combustion and pyrolysis on a continuous basis, making it one of the most versatile thermal reactors in industry.

What a Rotary Kiln Does

The kiln’s rotation mixes material and drives it forward through the heated zone, so every particle is exposed to the process temperature for a controlled length of time. Depending on how the drum is heated and whether oxygen is present, the same basic machine can dry a wet feedstock, burn a waste, calcine a mineral, or pyrolyse a polymer into oil and gas.

Where Rotary Kilns Are Used

Rotary kilns appear throughout cement and minerals production, chemical processing and, increasingly, the waste-to-value sector, where they convert tyres, plastics, biomass and mixed waste into fuels, carbon and energy. Their ability to handle varied, bulky and even liquid feedstocks is what makes them a foundation technology for turning waste into resources.

Learn More:

• Tyre Pyrolysis Plant
• Plant Design & Engineering

Put a Rotary Kiln to Work

Klean Industries designs and delivers rotary-kiln thermal systems for the waste-to-value space, from tyre and plastic pyrolysis to biomass and waste processing.

Contact Klean Industries about rotary kiln systems » GO.