Wood Chips Dryer
High Efficiency Three-Pass Rotary Wood Chip Drying Machine for Biomass Waste Recycling
Our wood chips dryer is a professional industrial rotary drying equipment optimized for wood chips, wood scraps and wood residues. Adopting mainstream three-pass energy-saving structure, it efficiently reduces wet wood chips moisture from 45%-60% to standard 8%-12%. It solves the problems of wet wood chips mildew, low combustion efficiency and difficult pellet molding, supporting 24-hour continuous industrial production, being the core pretreatment equipment for wood biomass recycling projects.
Moisture Control
Energy Saving
Low Running Cost
What is Wood Chips Dryer?
Wood chips are common wood processing residues with irregular particle size, certain bulk density and high natural moisture. Fresh wet wood chips are prone to mildew, decay and agglomeration during stacking, and cannot be directly used for biomass pelletizing, boiler fuel combustion and carbonization production. Natural air drying is limited by weather, low in efficiency and unable to meet large-scale industrial production needs.
Our rotary wood chips dryer takes the lead in adopting three-pass nested energy-saving structure, specially optimized for wood chips’ medium bulk density and non-floating characteristics. Compared with single drum dryers, it features higher thermal efficiency, more uniform drying and lower operating cost. It completely eliminates wet core and uneven drying problems, ensuring stable finished wood chip quality. The dried wood chips can be widely used for biomass pellets, boiler power generation, carbon materials and organic fuel production, realizing high-value recycling of wood factory waste residues.
Contents
Complete Equipment Composition of Wood Chips Dryer
1. Three-Pass Nested Drum Host (Core Part)
Adopts inner, middle and outer three-layer integrated drum structure, equipped with customized multi-angle lifting flights suitable for wood chip particles. The staged drying design extends material running track, realizes gradual heating and uniform dehumidification, fully adapts to wood chip particle drying characteristics, and ensures no wet core or uneven drying.
2. Adjustable Hot Air Heating System
Supports multiple flexible heating sources including biomass hot air stove, natural gas, diesel and industrial steam. It provides stable constant-temperature hot air, adapts to different regional fuel costs and environmental protection policies, and effectively reduces long-term drying operation costs.
3. Special Quantitative Feeding Device
Matched professional screw feeder for wood chip particles, realizing quantitative, uniform and continuous feeding. It effectively prevents material blockage and uneven feeding, ensures consistent drying effect of each batch of wood chips, and improves overall production stability.
4. High-Efficiency Dust Removal System
Equipped with cyclone dust collector, which collects fine wood chip powder and floating dust generated during drying. It realizes closed dust-free production, improves raw material utilization rate, and fully complies with global environmental protection emission standards.
5. Intelligent PLC Control Cabinet
Intelligent automatic control system with adjustable drum rotating speed and hot air temperature. Workers can freely set target moisture parameters to realize unmanned 24-hour continuous drying operation, simplifying operation and saving labor costs.
Core Product Advantages of Wood Chips Dryer
1. Professional Three-Pass Structure for Wood Chip Particles
Different from fluffy biomass materials, wood chips have moderate bulk density and regular particles. The optimized three-pass structure perfectly matches wood chip drying rules, with longer material retention time and full heat exchange. It thoroughly solves the common problem of incomplete drying of single drum dryers, ensuring every wood chip achieves uniform low moisture.
2. Super Energy Saving & High Thermal Efficiency
The three-layer nested self-insulation structure improves thermal efficiency up to 70%-80%. Compared with traditional single drum dryers, it saves 20%-30% fuel consumption, greatly reducing unit drying cost. It is the most cost-effective choice for long-term large-scale wood chip processing projects.
3. Stable Finished Quality & High Pellet Molding Rate
Precise temperature and speed control stably adjusts finished wood chip moisture at 8%-12%. The dried wood chips have uniform dryness, no wet core and no excessive drying, which greatly improves biomass pellet molding rate and finished product quality, bringing higher profit margins for pellet factories.
4. Small Floor Space & Large Production Capacity
The integrated three-pass nested design saves 50% floor space compared with single drum dryers of the same output. Industrial heavy-duty structure supports 24-hour uninterrupted high-load operation, fully meeting large-scale centralized wood chip waste disposal needs of wood processing factories.
5. Strong Wear Resistance & Long Service Life
The drum body is made of thickened wear-resistant steel plate with high-temperature anti-corrosion treatment. The internal lifting plates are thickened and optimized for wood chip particle impact, reducing wear and tear. The whole machine has low failure rate and long service life, minimizing later maintenance costs.
6. Wide Application & High Recycling Value
The dried wood chips have diverse high-value utilization channels, including biomass pellet fuel, industrial boiler combustion power generation, carbonization raw materials and biomass energy processing. It turns waste wood residues into high-value industrial raw materials, realizing waste recycling and value-added utilization.
Working Principle & Production Process of Wood Chips Dryer
Working Principle
The wood chips dryer adopts three-stage circulating countercurrent hot air drying principle. Wet wood chip particles are quantitatively and evenly sent into the inner drum of the three-pass dryer through the screw feeder. With the slow rotation of the drum, the internal lifting plates continuously lift and scatter wood chips to form a uniform material curtain. The materials pass through the inner high-temperature rapid drying zone, middle constant-temperature uniform dehumidification zone and outer low-temperature cooling drying zone in turn. After three times of sufficient heat exchange and gradual moisture evaporation, the wood chips achieve uniform low-moisture state. Water vapor and fine dust are purified and discharged through the dust removal system, and qualified dry wood chips are stably discharged to complete the whole drying process.
Standard Production Flow
Wet Wood Chips Feeding → Inner Drum High-Temperature Drying → Middle Drum Constant-Temperature Dehydration → Outer Drum Cooling & Dehumidification → Dust Removal & Purification → Dry Wood Chips Discharging → Pelletizing / Boiler Fuel / Carbonization / Storage
Application Scenarios of Wood Chips Dryer
This professional wood chips dryer is widely used in wood processing factories, biomass pellet factories, biomass power plants and new energy recycling enterprises. It is specially used for drying various wood residues such as wood chips, wood scraps, wood blocks and wood shavings. It solves the problems of high moisture, mildew, agglomeration and low utilization rate of waste wood materials, and provides high-quality standard raw materials for biomass pellet production, industrial boiler power generation and carbon material processing.
Core Application Fields: Wood factory residue recycling, biomass pellet production, industrial boiler fuel pretreatment, wood carbonization processing, new biomass energy projects
Real Project Cases of Wood Chips Dryer
Case 1: 6T/H Industrial Wood Chips Dryer Project | Vietnam Wood Processing Factory
Project Info: Supporting drying equipment for large wood processing enterprise, processing a large number of waste wood chips with 55% average moisture. Adopts biomass hot air stove for energy-saving production, using waste wood residues as fuel to reduce operating costs. The three-pass uniform drying design ensures finished wood chip moisture stably at 10%, perfectly meeting biomass pellet production standards. The equipment runs 24 hours continuously with stable performance and zero failure rate.
Case 2: 4T/H Wood Chips Drying Production Line | Indonesia Biomass Energy Plant
Project Info: Dedicated for wood chip boiler fuel pretreatment. The three-pass energy-saving structure reduces fuel consumption by 25% compared with traditional single drum dryers. The dried wood chips have high calorific value and sufficient combustion, effectively improving boiler power generation efficiency and reducing enterprise energy consumption costs, bringing significant economic benefits.
Case 3: 2T/H Small Wood Chips Dryer | Malaysia Small Wood Factory
Project Info: Compact customized drying equipment for small wood processing workshops. Low investment and low energy consumption, solving the problem of seasonal wood chip waste accumulation and mildew. The dried wood chips are used for local fuel sales and small-batch pellet processing, realizing low-cost waste recycling and quick investment return.
Technical Parameters of Wood Chips Dryer
| Model | Capacity(t/d) | Early moisture(%) | Final Moisture(%) | Drying Temperature(℃) | Total motor power(kw) | Cover Area(m²) |
| NJGT1210 | 44.0-19.5 | 35-50% | 12-15% | 270±30℃ | 28 | 5m×15m |
| TG1409 | 46.5-20.5 | 34 | 5m×15m | |||
| NJGT1615 | 88.0-39.0 | 45 | 6m×22m | |||
| TG2010/3 | 144.5-63.5 | 78 | 8m×18m | |||
| TG2210/3 | 154.0-67.5 | 85 | 8m×18m | |||
| TG2510/3 | 193.0-83.5 | 110 | 10m×18m | |||
| TG2512/3 | 227.0-100.0 | 125 | 10m*20m | |||
| TG2912/3 | 268.0-120.0 | 135 | 10m*22m |
FAQs of Wood Chips Dryer
Q1: Single Drum vs Three-pass Drum Dryer, which is better for wood chips drying?
A: For commercial and industrial wood chips processing, the three-pass rotary dryer is the preferred and professional solution. Wood chips have moderate bulk density and regular particle size, suitable for three-stage circulating drying. The three-pass design provides longer material retention time, more uniform heat exchange and 20%-30% lower energy consumption, ensuring stable 8%-12% finished moisture and high pellet molding rate. The single drum dryer is only suitable for low-budget, small-scale intermittent drying with low finished quality requirements.
Q2: What is the optimal moisture of dried wood chips?
A: For biomass pellet production and boiler fuel combustion, the optimal wood chip moisture is 8%-12%. Within this range, wood chips have high calorific value, sufficient combustion and high pellet molding rate, fully meeting industrial production standards.
Q3: What kinds of wood materials can this dryer process?
A: It is suitable for all kinds of wood biomass residues, including mixed wood chips, wood scraps, wood blocks, wood shavings and other wood processing wastes, with strong material adaptability.
Q4: What heating options are available for wood chips dryer?
A: Multiple optional heating sources: biomass hot air stove (lowest operating cost, can use waste wood chips as fuel), natural gas, diesel burner and industrial steam. Customers can choose according to local fuel prices and environmental protection policies.
Q5: What is the price range of industrial wood chips dryer?
A: The price varies according to production capacity and configuration. Standard FOB price: 1-3T/H small model USD 10,000-18,000; 3-6T/H medium model USD 18,000-35,000; 6-15T/H large industrial model USD 35,000-55,000. Final quotation depends on customized heating mode and supporting configuration.
Q6: Does the three-pass wood chips dryer support 24-hour continuous operation?
A: Yes. The industrial-grade heavy-duty three-pass structure is specially designed for high-load continuous production, supporting 24-hour uninterrupted stable operation, which fully meets the large-scale waste disposal needs of professional wood processing factories and biomass enterprises.
