Though identical in external dimensions,
these two rotary dryers differ drastically in internal construction and operational efficiency.
Single-Pass Rotary Dryer
Built with a simple straight-through design and minimal lifting flights.
Hot air travels rapidly through the drum, resulting in limited heat transfer. It is robust,
easy to maintain and suitable for a wide range of mixed feedstock.
Its drawback lies in low thermal efficiency, higher fuel consumption and lower throughput.
Ideal for projects with low fuel costs and variable raw materials.
Multi-Level Flight Rotary Dryer
Fitted with dense multi-layer lifting flights inside the drum.
It generates continuous material curtains and lengthens hot air residence time for thorough heat transfer,
cutting heat loss while boosting throughput and reducing fuel use.
The straight-through design eliminates the risk of material blockage.
Ideal for high-efficiency drying of wood chips and biomass where energy savings and high capacity are priorities.
Single-pass units prioritize simplicity and feedstock flexibility.
Stacked flight dryers deliver energy savings and high production without blockage concerns.
If you want to know more about our rotary dryer, welcome to subscribe to our YouTube channel.