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Project Brief Introduction:

1.Product:Dried Wood Chips Pellet Line

2.Capacity: 6-7 T/Hour

3.TONY Brand 6-7 Ton /Hour Dried Wood Chips Pellet Line Project Process

4.Main Machine: Hammer Mill,TONY Pellet Machine TYJ860-III-220KW,Pellets Cooler,Packing Machine And Belt Conveyors

5.Total Power: About 825 kw

6.Need Area: About   ㎡  L:  M  W:  M  H:  M

Project Layout For Customer:

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1. The working principle of dried wood chips biomass pellet processing equipment

(1)Raw Material Pretreatment Stage

First, dry wood chips are crushed to an appropriate particle size (usually 3-5 mm) to ensure uniformity for subsequent compression.

(2)Mechanical Compression Molding Stage

The pretreated raw material is fed through a screw feeder between the rollers and the die of the molding machine. Under high pressure (usually 50-150 MPa), the wood chip pellets are squeezed into the die channels. During this process, the cellulose and hemicellulose components within the raw material soften under pressure and frictional heat (temperatures can reach 100-180°C), creating intermolecular bonding and forming continuous, columnar pellets.

(3)Cutting and Cooling Stage

The pellets extruded from the die are cut by a fixed blade into a desired length (usually 5-30 mm). They are then cooled to room temperature by air cooling to prevent the pellets from sticking due to residual heat. The result is a biomass pellet fuel with high hardness and density.

2. Characteristics of dried wood chips biomass pellet processing equipment

(1) Combination of forced extrusion and high-temperature shaping

The pellet machine uses a high-pressure roller-die system (the die speed is usually 150-300r/min and the extrusion pressure can reach 50-100MPa) to force the material to extrude. At the same time, the friction heat generated by the extrusion (raising the material temperature to 80-120℃) can soften the lignin in the dry wood chips. Lignin, as a natural adhesive, can melt at high temperatures and bond the fibers together, solving the problem of dry wood chips being "difficult to shape and easy to loosen", ensuring that the pellet density reaches 1.1-1.3g/cm³ (in line with industrial fuel standards).

(2) Customized die hole and roller parameters

According to the fiber length and hardness of dry wood chips, the ring die hole is designed as a conical inlet + cylindrical channel (the inlet cone angle is 15°-30°, which facilitates the entry of dry wood chip fibers and reduces clogging of the hole). The die hole diameter is mostly 6-10mm (adapting to the mainstream specifications of dry wood chip particles); the roller surface adopts spiral teeth or diamond patterns to enhance the grip of dry wood chips, avoid "slipping" caused by material drying, and improve feeding uniformity.

(3) Wear-resistant materials extend service life

Dry wood chips (especially hardwood) cause greater wear on the equipment. The ring die and roller are made of high chromium alloy (such as Cr26) or carburized quenched steel, with a surface hardness of HRC58-62, strong wear resistance, and a single service life of up to 1000-3000 hours (depending on the hardness of the wood chips), reducing the cost of frequent replacement of parts.

(4) Automation control:

Equipped with a PLC control system to automatically adjust the equipment's operating status (e.g., automatically reduce feed when pellet machine pressure is too high), reducing manual intervention.

(5) Continuous production:

Each device is connected through a conveyor belt and a screw conveyor, and can achieve "one-button start, continuous operation" from dry wood chip feeding to finished pellet packaging, adapting to industrial-scale processing needs.

(6) Dust control:

The crushing and screening process of dry wood chips easily generates dust. The equipment is equipped with a bag dust collector (dust removal efficiency ≥ 99%), and sealing devices are installed at the feed and discharge ports to reduce dust overflow.

(7) Safety protection:

Pellet machines, crushers and other high-speed running equipment are equipped with "emergency stop buttons + protective covers" to prevent safety accidents caused by equipment overload and overheating;

3. Application scenarios of dried wood chips biomass pellet processing equipment

(1) Energy production Biomass power generation:

Processed pellet fuel can be directly used in biomass power plants as a boiler fuel, replacing traditional fossil energy and reducing carbon emissions. Heating and heating: Suitable for industrial boilers, commercial fireplaces and household heating equipment, providing clean and renewable heat. 

(2) Industrial and manufacturing fields Board production:

Crushed wood chips can be used as raw materials for particleboard, fiberboard, plywood and other boards, improving the utilization rate of wood resources. Paper and pulp: Crushed wood chips can be used for pulp production after processing, meeting the papermaking industry's demand for fiber raw materials.

(3) Environmental protection and resource recycling fields Agricultural and forestry waste treatment:

Convert agricultural and forestry waste such as logs, branches, and straw into pellet fuel, reducing solid waste accumulation and promoting a circular economy. Fossil fuel replacement: Replace coal and oil in scenarios such as biomass diesel production and power plant fuel, reducing environmental pollution.

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TONY Brand 6-7 Ton/Hour Dried Wood Chips Pellet Manufacturing Plant can take dried wood chips, various types of wood - related biomass materials, such as wood pallets ,branches, wood logs, and wood shavings. After pretreatment and processing, dried wood chips is solidified into high - density wood pellet fuel. This fuel is an ideal substitute for coal and oil and plays a role in energy conservation and emission reduction. At present, it has been widely used in regions rich in wood resources.

1. Capacity: 6-7 Ton/Hour

2. Raw materials: Dried wood chips

3. Moisture: Dry type, about 10-15%.

4. Application: All kinds of  wood chips or more waste wood raw materials

Suitable customers: Solid wood furniture production, artificial board processing (plywood, fiberboard, particleboard), wood component processing, construction and decoration, packaging and logistics, such as pallets and wooden boxes, will generate a large amount of waste wood chips due to repeated use, size mismatch or changes in cargo transportation needs. Paper and pulp production.Where waste wood chip resources are advantageous.

5. Finished Pellets Markets: Large power plants ,domestic heating, industrial heating, combustion heat, heating systems, boiler rooms, school canteens, foundry heat sources.

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1. Project Name: Dried Wood Chips Pellet Production Line

2. Raw Material: All kinds of dried wood chips

3. Moisture Content of Raw Material: 10-15%

4. Capacity: 6-7 tons per hour

5. Process: Fine Crushing Process - Pelletizing Process - Cooling Process - Packing Process

6. Main Equipment: Effective Hammer Mill-TFD85*250-250kw,  TONY Pellet Machine TYJ860-Ⅲ-220kw, Galvanized Pellets Cooler, Double Packing Machine and Belt Conveyors

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1.Wood Chips Fine Crushing Process:

A.This process is mainly used to crush 25-55mm wood chips into 8-14mm sawdust.

B.Capacity:6-7Ton/Hour. 

C.TONY brand effective hammer mill TFD85*250-250KW*1set

Main Parts: 

(1)TONY Effective Hammer Mill.

(2)Galvanized Dust Collector.

(3)Sawdust Transportation Fan Blower.

(4)Cyclone With Airlock.

(5)Electrical Cabinets.

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2.Pelletizing Process:

A.This process is mainly used to to product pellets into φ6-8mm.

B.Capacity:6-7 Ton/Hour. 

C.TONY brand vertical ring die pellet machine TYJ860-Ⅲ-220KW*2 sets

D.Double Screw Cycling Silo is added above the pellet machine, which has the advantages of saving space, saving labor, intelligently controlling the feeding speed, not easy to block the material, and improving production efficiency.

Main Parts:

(1)TONY's New Vertical Ring Die Pellet Machine.

(2)Cyclone And Bags Dust Collectors. 

(3)Automatic Lubrication System.

(4)Electrical Cabinets. 

You can chose TONY new type SS304 pellet machine

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3.Cooling Process:

A.This process is mainly used to cool pellets from 80-90℃ to 20-30℃  

B.Capacity:6-7Ton/Hour.                                                   

C.TONY brand galvanized pellets cooler separator*1set                    

Main Parts:                                                                                                                                   

(1)TONY's Galvanized Cooler Separator With Vibrating Screen.

(2)Cyclone And Bags Dust Collectors.  

(3)Fan Blower.

(4)Connect Pipes.

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4.Packing Process:

A.This process is mainly used to pack pellets into 15-50KG/Bags. 

B.Capacity:6-7 Ton/Hour.  

C.TONY brand double packing machine*1set

Main Parts: 

(1)TONY's Double Packing Machine. 

(2)Sew Machine, Buyer Can Also Choose Hot Seal Machine For Chosen,To Confirm With Tony For The Price Difference. 

(3)Bags Transportation Conveyors.

(4)Feeding Inlet Silo.

(5)Electrical Cabinets.

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Significance of the Dry Wood Chip Processing Biomass Pellets Project

1. Environmental Protection

As a clean energy source, biomass pellets offer the advantages of high calorific value and low pollution. They can significantly reduce the use of traditional fossil fuels, lower greenhouse gas and other pollutant emissions, and contribute to improved air quality and environmental protection.

2. Resource Recycling

Biomass pellets utilize agricultural and forestry waste, achieving resource recycling and reducing the negative impact of waste on the environment. They also provide an effective solution for waste management.

3. Energy Security

As a renewable energy source, biomass pellets can alleviate dependence on traditional energy sources such as oil and coal, improve energy security, and safeguard national energy security.

4. Economic Development

The development of the biomass pellet industry can drive the development of related industrial chains, create employment opportunities, and promote economic growth. Particularly in rural areas, the production and sale of biomass pellets can increase farmers' incomes and boost rural economic development.

5. Technological Innovation

The production process of biomass pellets involves a variety of technologies and equipment, such as hammer mills and biomass pellet machines. The development and application of these equipment and technologies promote technological innovation and industrial upgrading.

6. Social Benefits

The use of biomass pellets can provide a stable source of heat for homes and businesses, especially in remote areas with insufficient energy supply. As an alternative energy source, biomass pellets can improve residents' living conditions.

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Biomass pellets processed from wood chips offer low cost, increased density, high energy efficiency, and a wide range of applications.

 Biomass pellets processed from wood chips offer low cost, high added value, and a significantly lower cost than petroleum-based energy. They are a nationally advocated clean energy alternative with a broad market potential. The pelletized fuel is compact, has a high specific gravity, and high density, making it easy to process, convert, store, transport, and reuse. They have a high calorific value: 2.5-3 kg of wood pellets have the same calorific value as 1 kg of diesel, but at less than half the cost, and boast a burnout rate exceeding 98%. These pellets are widely used in industrial and agricultural production, power generation, heating, boiler burning, cooking, and are suitable for both households and businesses.

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