Wood Pellet Production Line
Solutions for Processing Logs, Waste Wood, Wood Chips, Sawdust into High-Calorific-Value Biomass Fuel Pellets
Customized Wood Pellet Production Line
Our Industrial wood pellet production line systems turn logs, waste wood, waste boards, wood chips, sawdust and other wood feedstocks into high-calorific-value eco-friendly biomass fuel pellets. We fully tailor production capacity to your needs—from 10,000 to 100,000 tonnes per year—and finished pellets are typically 6 mm, 8 mm, or 10 mm in diameter, perfect for residential heating, industrial boiler fuel, and biomass power generation.
Annual Production Capacity of Wood Pellet Production Line
Annual production capacity
Small-scale wood pellet production line: 10,000 tons/year,Great for start-ups or small processing plants, with low investment wood pellet production costs. It’s a fit for local market needs—think small heating companies or rural biomass fuel markets.
Medium-sized wood pellet production line: 30,000 tons/year,Ideal for businesses with an established customer base and steady market demand. It reliably supplies regional markets, like medium-sized industrial boiler operations or local biomass power plants.
Large-scale wood pellet production line: 50,000+ tons/year,Built specifically for big energy companies and biomass fuel groups, featuring highly automated wood pellet production systems with smart controls. It handles large-scale demand, from urban centralized heating to energy supply for major industrial facilities.
Equipment Configuration of Wood Pellet Production Line
Equipment Configuration
Raw material receiving and pre-processing area
- Raw material storage site for wood pellet production: We design this to match your production scale, with hardened ground and rain/moisture-proof features to keep your wood raw materials in top condition, no matter the weather.
- High-strength belt conveyor for wood pellet line: These use corrosion-resistant belts (500-1000 mm wide, length customized to your site) to keep raw materials moving consistently—no gaps in supply.
- Bucket elevator for vertical material lifting: Lifts materials 10 to 30 meters high, with bucket sizes (0.5 to 2 cubic meters) chosen for your production capacity. It’s a key piece for keeping continuous wood pellet production flow going strong.
- Industrial wood chipper for coarse crushing: Breaks down large wood materials—logs, planks, big branches—into uniform wood chips. This is the first critical step to making high-quality wood pellet production possible.
- Hammer mill for fine crushing: Takes the coarsely chipped wood and grinds it into small, even particles (3-8 mm in size). This consistency is essential for forming solid pellets in biomass wood pellet production.
- Vibrating screen (optional) for impurity removal: Sifts out oversized pieces and debris from crushed materials, so only clean, uniformly sized wood goes into the granulation stage of wood pellet manufacturing.
Drying area
Rotary dryer for wood pellet raw material drying: Made with heavy-duty carbon steel or stainless steel cylinders (installed at an angle) and internal lifting plates. As the cylinder spins, materials mix fully with hot air for fast drying—this is how we nail moisture control for wood pellet production.
Airflow dryer (optional) for fast drying: Uses high-speed hot air to “fluidize” materials, drying them instantly. It’s fast, efficient, and works with a range of wood feedstocks—ideal for high-volume wood pellet production lines.
Pelletizing Area
- Ring die pelletizer (core wood pellet mill): This is the heart of wood pellet production. It’s built with tough alloy steel ring dies (6-12 mm precision holes, chosen for your pellet size), pressure rollers, and feeding/tempering systems. It presses dense wood pellets in different diameters, perfect for industrial and residential biomass fuel use.
- Flat die pelletizer (optional): Simple design, lower cost—great for small production lines or if you don’t need strict pellet shape standards. It’s a solid choice for small-scale wood pellet production and new businesses just getting started.
Cooling and screening area
- Countercurrent cooler for wood pellet cooling: Has cooling air ducts, material channels, fans, and control systems that work together to cool hot pellets down to near room temperature. Cold air flows opposite to the pellets, so heat exchange is efficient—this boosts wood pellet stability and water resistance, so pellets hold up during storage and transport.
- Air-cooled cooler (optional): Uses fans to push cold air through ducts, cooling pellets as they move through the system. It’s a cost-effective pick for medium-scale wood pellet production lines.
- Multi-layer vibrating screen for wood pellet screening: Uses stainless steel mesh or punched plates (sized to your finished pellet specs) to sift out bad pellets, fine powder, and clumps. This ensures uniform wood pellet quality and a high pass rate for your final product.
Bagging area
Automatic quantitative bagging machine for wood pellets: Adjusts packaging sizes quickly (accuracy within ±0.2%) to match market needs. Every bag is the right weight, cutting down on errors and keeping customers happy—key for commercial wood pellet sales.
Palletising equipment for wood pellet packaging: Automatic robots or mechanical palletisers stack bagged pellets onto pallets neatly. This makes warehousing and forklift handling easy, which is a big win for bulk wood pellet distribution.
Dedusting area
Pulse bag filter for eco-friendly wood pellet production: Installed in dusty areas (like crushing stations), it uses pulse jet technology to keep filters clear and capture dust effectively. Emissions stay under national environmental limits—so your compliant wood pellet manufacturing stays on the right side of regulations.
Cyclone dust collector (optional): Adds an extra layer of dust removal for high-dust processes (like raw material crushing), extending the life of your pulse bag filter. It’s a smart upgrade for dust control for large-scale wood pellet production.
Production Process of Wood Pellet Production Line
Production Process
1. Raw material receiving and pre-treatment for wood pellet production
Wood feedstocks—logs, waste wood, big branches, wood chips, trimmings—are moved from storage to pre-processing using belt conveyors and bucket elevators. Large pieces get chipped first, then ground into fine, uniform powder with hammer mills. Vibrating screens remove any oversized bits or debris—this sets the stage for consistent wood pellet quality.
2. Drying for optimal wood pellet moisture content
Pretreated materials go to dryers, where we adjust temperature and time based on the raw material’s initial moisture and your product needs (we use steam, hot air furnaces, or gas for heating). We get moisture down to 10-18%—exactly the granulation-stage moisture requirements for wood pellet production to ensure pellets form properly.
3. Pellet making (core wood pellet manufacturing step)
Dried materials feed into pelletizers, where ring dies and pressure rollers squeeze the wood through precision holes to form dense pellets. We tweak pelletizer settings—like ring die speed, roller pressure, and feed rate—to control pellet diameter, length, hardness, and density. This fine-tuning maximizes wood pellet combustion performance.
4. Cooling and screening for wood pellet quality assurance
Hot pellets from the mill go to coolers (countercurrent or air-cooled) to drop to near room temperature. This makes pellets more stable and water-resistant, so they don’t clump or spoil during storage and transport. After cooling, vibrating screens sift out bad pellets and fine powder—boosting wood pellet qualification rate and market competitiveness.
5. Bagging for commercial wood pellet distribution
Qualified pellets move to automatic bagging machines, where they’re weighed and bagged to your specs. Then palletising equipment stacks the bags onto pallets, making it easy to move with forklifts and manage in warehouses—perfect for bulk wood pellet supply chains.
Raw Material Type of Wood Pellet Production Line
Raw material type
Log wood for premium wood pellet production
Logs, waste wood, old lumber, and discarded building templates are the best feedstocks for high-calorific-value wood pellets with low ash content.
Wood chips/sawdust for efficient wood pellet production
Sawdust is a fine granular waste produced during the wood processing process. It has the characteristics of small particle size and large surface area. It is easy to dry and granulate, and can improve production efficiency and particle forming rate.
Branches for cost-effective wood pellet production
High in wood fiber but irregular in shape—we crush and screen them to meet production specs. They’re a budget-friendly choice for biomass wood pellet production.
Wood scraps for sustainable wood pellet production
Scraps from furniture and construction work (various shapes/sizes) get crushed and sorted first. Using these scraps maximizes waste reuse, making your eco-friendly wood pellet manufacturing even greener.
Finished Product Specifications of Wood Pellet Production Line
Finished product specifications
Particle shape
Cylindrical (10-30 mm long, 6-12 mm diameter) with smooth surfaces—no cracks or defects. Consistent shape means uniform wood pellet combustion and easy handling.
Moisture content
10-18% strikes the perfect balance between molding quality and combustion performance. It also makes pellets easy to store and ship long-term—key for long-term wood pellet storage and transportation.
Particle density
1.0-1.3 g/cm³ (high density) ensures pellets are strong and durable, so they hold up during storage, transport, and use—ideal for industrial biomass fuel applications.
Ash content
≤3% cuts down on ash during combustion, which means less corrosion and wear on boilers, heaters, and other equipment. This is a big plus for low-maintenance wood pellet fuel use.
Schematic Diagram of Production Process of Wood Pellet Production Line
Production process diagram
Successful Cases of Wood Pellet Production Line
Successful Cases
A wood pellet processing plant in India
We set up a small-scale customized wood pellet production line for rural biomass heating markets here. The plant hits a 95% pellet qualification rate and cuts production costs by 30% compared to local competitors.
A wood pellet plant in the Philippines
Installed a medium-sized wood pellet production line for industrial boiler fuel that supplies 5 regional industrial parks. It’s helped these parks cut fossil fuel use by 40%.
A wood pellet processing plant in Indonesia
We commissioned a large-scale automated wood pellet production line for export to European biomass power plants—every pellet meets strict EU ENplus A1 quality standards.