Double-Drum Sawdust Dryer
Double drum structure improves drying efficiency
The dual-cylinder design—with inner and outer cylinders—ensures more uniform heating of the wood chips, thereby improving overall drying efficiency.
Fire-material separation ensures safer operation
The separated heating system prevents direct contact between wood chips and flames, reducing combustion risks and improving operational safety.
High thermal efficiency and energy saving
The optimized hot air circulation system improves heat utilization, reduces energy consumption, and lowers operating costs.
Wide application and strong processing capacity
Suitable for continuous drying of wood chips, sawdust, wood particles, straw, and other biomass materials.
Product Overview
Double-Drum Sawdust Dryer is an advanced biomass drying machine specially designed for reducing moisture content in sawdust, wood chips, and other biomass materials. With a unique double-drum structure and fire-material separation technology, this dryer provides efficient, safe, and continuous drying solutions for biomass processing industries.
The Double-Drum Sawdust Dryer adopts inner and outer drum designs, allowing materials to move smoothly inside the drying chamber while fully contacting hot air. Compared with traditional drying equipment, it offers higher drying efficiency, better heat utilization, and more stable operation.
Working Principle
The Double-Drum Sawdust Dryer uses hot air as the drying medium. Wet sawdust enters the feeding system and is continuously transported through the rotating double drum. During the drying process, hot air exchanges heat with the material, quickly evaporating moisture and producing dried biomass material with controlled moisture content.
The fire-material separation design prevents direct contact between flames and sawdust, significantly improving drying safety and reducing the risk of material burning.
Main Advantages of Double-Drum Sawdust Dryer
Double Drum Structure for Higher Drying Efficiency
The double-layer drum design increases the heat exchange area and extends material residence time inside the dryer. This ensures more uniform drying and improves production capacity.
Fire-Material Separation Design for Safe Operation
The independent heating system separates the heat source from the drying materials. This prevents overheating, burning, and material quality degradation during operation.
Energy Saving and High Heat Utilization
The optimized airflow system improves heat transfer efficiency and reduces fuel consumption. The Double-Drum Sawdust Dryer can work with various heat sources, including biomass fuel, gas, and other energy sources.
Continuous Drying and Large Processing Capacity
Designed for industrial biomass production lines, the Double-Drum Sawdust Dryer supports continuous feeding and discharging, making it suitable for large-scale production.
Stable Performance and Easy Maintenance
The simple mechanical structure and durable components ensure long service life. The dryer requires less maintenance and provides reliable performance under continuous working conditions.
Applications of Double-Drum Sawdust Dryer
Biomass Pellet Production
Before pelletizing, sawdust must reach suitable moisture levels. The Double-Drum Sawdust Dryer helps prepare high-quality raw materials for biomass pellet machines.
Wood Processing Industry
The dryer is widely used for drying sawdust, wood chips, wood shavings, and other by-products generated during wood processing.
Biomass Fuel Production
Dry biomass materials have higher combustion efficiency. The Double-Drum Sawdust Dryer improves fuel quality by reducing moisture content.
Why Choose Double-Drum Sawdust Dryer?
For global biomass processing companies, choosing an efficient drying solution is essential. The Double-Drum Sawdust Dryer combines advanced structure, energy-saving performance, and reliable operation to meet different production requirements.
Whether used for sawdust drying, biomass pellet production, or wood waste recycling, this equipment provides an economical and practical drying solution.
Technical Specifications of Double-Drum Sawdust Dryer
Model | Evaporation Capacity (t/h) | Drive Power (kW) | Supporting Fan (kW) | Airlock Discharge Valve (mm/kW) | Remarks |
1.2×6 | 0.7–1.0 | 5.5 | 7.5 | 300 / 2.2 | Model parameters are for reference only and depend on material characteristics |
1.2×9 | 1.0–1.3 | 7.5 | 11 | 300 / 2.2 | |
1.5×9 | 1.2–1.5 | 11 | 15 | 300 / 3 |
Frequently Asked Questions (FAQ)
Q1: What materials can the Double-Drum Sawdust Dryer process?
A1: It can process sawdust, wood chips, wood shavings, rice husks, straw, and other biomass materials.
Q2: What moisture content can be achieved after drying?
A2: The final moisture content depends on raw material conditions and customer requirements. The drying system can be adjusted according to different applications.
Q3: Is the Double-Drum Sawdust Dryer safe to operate?
A3: Yes. The fire-material separation design reduces direct flame contact and improves operational safety.
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