All the advantages of the rotary drum dryer

How a rotary drum dryer works

Inside the rotary drum dryer, the wet material is fed into one end of the dryer and, driven by the rotary movement, is distributed and dispersed evenly inside the dryer. Here, it comes directly into contact with the hot air generated by the burner. The product then undergoes a triple pass inside the rotating drum, and it is during this stage that the dehydration process takes place. Flowing in parallel, the hot air accelerates heat transfer and the drying process. Once the process is completed, the materials are discharged.

Below is a schematic summary of the operating process of the rotary drum dryer.

1. The wet product is fed into the dryer
2. The product passes through the rotating drum, where it comes into contact with the hot air generated by the burner
3. Finally, the dehydrated product is discharged

How a rotary drum dryer is built

The “DX” series rotary drum dryers by RP Engineering are composed of the following elements.

• Biomass burners dedicated to thermal energy production, available with either a fixed grate for up to 35% moisture content or a moving grate for up to 50% moisture content
• Loading systems
• Discharge systems
• Rolling systems
• Transmission systems

All these elements have been designed and sized to ensure continuous operation.

For the construction of its machinery, RP Engineering uses only top-quality materials and components. However, since the company offers customized machine design and manufacturing services, it is possible to request special custom solutions tailored to individual needs and requirements.