Logs and large wood are among the most established and widely utilized feedstocks for industrial biomass pellet production. They are mainly sourced from forestry operations, logging residues, thinning wood, and oversized wood offcuts from sawmills. These resources are abundantly available in regions with mature forestry industries, including North America, Europe, Russia, Southeast Asia, and South America.
From an industry perspective, wood pellets represent the largest and most stable segment of the global biomass pellet market. Long-term demand is driven by industrial boilers, combined heat and power (CHP) plants, and district heating systems, supported by decarbonization policies and renewable energy targets.
Typical calorific value of wood pellets produced from log-based raw materials ranges between 16–20 MJ/kg (approximately 3,800–4,800 kcal/kg), depending primarily on moisture control and pellet density.
Key Equipment Configuration Wood Chipper Converts raw logs into uniform wood chips suitable for efficient drying. Rotary Drum Dryer Reduces moisture content of wood chips to the pelletizing range (typically 10–15%). Hammer Mill Grinds dried wood chips into particles below 10 mm for stable pellet formation. Pellet Machine Core equipment that compresses material into dense, high-quality biomass pellets. Counterflow Cooler Gradually cools hot pellets to improve durability and storage stability. Packing Machine Enables small bag or ton bag packaging according to market requirements.
Why This Solution Works Log-based raw materials present two inherent challenges: large initial size and high, uneven moisture content. By introducing wood chipping as the first step, particle size is standardized, allowing efficient heat transfer during drying. Drying at the chip stage significantly reduces energy consumption and minimizes mechanical stress on downstream equipment.
Once moisture is properly controlled, hammer milling becomes more efficient and consistent, producing uniform particles that are ideal for ring die pelletizing. This proven configuration ensures stable output, consistent pellet density, and predictable energy performance, making it a widely adopted solution in industrial pellet plants.
Processing Notes & Technical Considerations Drying at the wood chip stage ensures efficient heat transfer and stable moisture control, which is essential for industrial-scale pellet production. Target particle size before pelletizing: <10 mm. Excess moisture may reduce pellet output and negatively affect durability.
End Product & Applications Finished wood pellets are widely used in industrial boilers, combined heat and power (CHP) plants, district heating systems, and biomass power stations. Due to standardized size, stable calorific value, and convenient transportation, wood pellets are actively traded in international energy markets.
Data Reference & Industry Sources The calorific value ranges, application regions, and industry characteristics referenced on this page are based on long-term statistics and analytical reports published by Bioenergy Europe, FAO, IEA Bioenergy, and recognized global biomass energy research institutions.
Hot Product
Pellet Machine
The 8th Generation Centrifugal Pellet Machine is developed for continuous, high-load industrial pellet production, especially for wood and biomass materials with strict requirements on output stability and pellet quality.
High-precision rollers with wear-resistant alloy steel
Hardened gear reducer ensures stable power transmission
Air-cooling system supports 24-hour continuous operation
SKF imported main shaft bearings ensure stable operation
The Wood Chipper is engineered for industrial wood processing, converting raw wood materials into uniform wood chips for downstream crushing, drying, or pelletizing.
Designed with a heavy-duty structure and hydraulic feeding system, it delivers stable performance, high efficiency, and reliable operation—making it a dependable front-end solution for biomass processing and pellet production lines.
Applicable Materials
Natural round logs and large wood sections
Square wood blocks, wood staffs, and clean wood offcuts
Branches, clean wood scraps, and other wood Residues
The High-Efficiency Hammer Mill is designed to provide stable and efficient grinding performance for biomass and wood materials used in pellet production lines.
Built with a dynamically balanced rotor and precision CNC-machined structure, the machine delivers smooth operation, reduced vibration, and consistent grinding results.
An all-round discharge design combined with easy-access maintenance structure helps improve production efficiency and reduce downtime.
For integrated operation, the hammer mill can be supplied with a complete auxiliary system, including air conveying and dust collection equipment, offering users a reliable and well-organized grinding solution.
The pellet cooler is designed for cooling high-temperature pellets after pelletizing. By adopting a counterflow cooling principle, it allows pellets to cool gradually and evenly, helping prevent surface cracking, internal stress, and excessive brittleness. This cooling process improves pellet strength, stability, and overall product quality, making the cooler an essential part of industrial pellet production lines.
The packing machine is used for final-stage pellet packaging before delivery.
According to different application and logistics requirements, the system can be equipped with jumbo bag packing scales or small bag packing scales, providing flexible packing solutions for pellet production lines.
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