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

The core principle of dried wood chippellet processing equipment is to convert biomass feedstock into high-density pellet fuel through mechanical compression. The basic process involves three steps: feedstock pretreatment (crushing and drying), mechanical compression, and finished product processing (cooling and packaging). For example, in a ring die pellet mill, a motor is directly connected to a reducer, driving the ring die. The feedstock enters the compression zone under gravity, where rollers squeeze the material into the ring die holes. After the pellets are formed in the die, they are cut into pellets of fixed lengths by a cutter.

2.Characteristics of dried wood chips biomass pellet processing equipment

(1)Strong adaptability to raw materials, compatible with a variety of biomass

Wide processing capacity: Processable raw materials include wood (logs, wood chips, sawdust, shavings, sawdust), crops (straw, rice husks, corn cobs), herbaceous plants (reeds, pasture), etc. By adjusting the crushing and pulverization parameters, it can adapt to raw materials of different hardness and fiber content (for example, hardwood requires stronger crushing capacity, while straw needs to control the pulverization particle size to prevent agglomeration).

Clear requirements for raw material pretreatment: The moisture content of the raw material must be controlled at 8%-15% (too high a moisture content can easily cause mold clogging, while too low a moisture content will result in insufficient particle strength), and the particle size is usually required to be 1-3mm. Therefore, the equipment system usually integrates drying and screening modules to ensure that the raw materials meet the standards.

(2)Modularization of core equipment and continuous production process

Modular combination: A typical production line consists of "crushing equipment (coarse crushing) → grinding equipment (fine crushing) → drying equipment (humidification) → granulating equipment (molding) → cooling equipment (cooling) → screening equipment (screening) → packaging equipment". Each module can be flexibly increased or decreased according to production capacity requirements (for example, for small production lines, some auxiliary equipment can be omitted).

Continuous operation: Through the connection of various links such as conveyor belts and screw feeders, automated continuous production from raw material input to finished product output is achieved. 

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

(1)Biomass power generation/heating enterprises

Typical scenarios: Biomass power plants and industrial boilers (such as heating boilers in textile factories and food factories) require a large amount of stable pellet fuel

(2)Small and medium-sized heating/drying users

Typical scenarios: Rural heating stations, agricultural product drying plants (such as grain, fruit and vegetable drying), greenhouse heating; processed pellets are directly stored in the silo of the heating station and can be taken out as needed.

(3)"Self-circulating" processing in orchards/tea gardens

Typical scenarios: After being processed into pellets, they can be used as fuel for the orchard's "biomass hot air furnace" (for fruit tree frost protection and fruit drying), or crushed and buried in the soil to improve soil quality, realizing "self-circulating waste in the park";

(4)Environmental protection and solid waste treatment fields

Typical scenarios: Urban solid waste treatment plants (sorteddried  wood waste), garden waste treatment stations (wet branches,dried  shrub slices)

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TONY Brand 48-60Ton/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:  48-60Ton/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:  48-60  tons per hour

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

6. Main Equipment: Effective Hammer Mill-TFD120*200-355KW, TONY Large Hydraulic Storage Silo, TONY Pellet Machine TYJ860-Ⅲ-280KW, Galvanized Pellets Cooler, Ton 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:48-60Ton/Hour. 

C.TONY brand effective hammer mill TFD120*200-355KW*5sets

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.Sawdust Storage Process:

A. This process is mainly used to storage the sawdust that comes out of the hammer mill.It is hydraulic galvanized storage bin which is more stalbe and sawdust in it is not easy to be blocked. 

B. TONY brand sawdust storage to storage the sawdust that comes out of  the hammer mill.This process can be optional by customer.If customer do not chose the storage bin,he can storage the sawdust on the ground directly which may need some labour.

Main Parts:

(1)TONY's new Sawdust Storage Bin.

(2)With Screws Inside The Storage Bin To Prevent Sawdust Blocked.

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3.Pelletizing Process:

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

B.Capacity: 48-60Ton/Hour. 

C.TONY brand vertical ring die pellet machine TYJ860-Ⅲ-280KW*12sets

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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4.Cooling Process:

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

B.Capacity: 48-60Ton/Hour.                                                   

C.TONY brand galvanized pellets cooler separator*5sets                    

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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5.Packing Process:

A.This process is mainly used to pack pellets into 1Ton/Bags. 

B.Capacity: 48-60Ton/Hour.

C.TONY brand ton packing machine*5sets

Main Parts: 

(1)TONY Ton Packing Machine

(2)Electronic Platform Scale Metering System

(3)Automatic Tare, Zero, and Drop Correction Functions

(4)Feeding System Features Fast, Medium, and Slow Feeding Speeds to Ensure Measuring Accuracy

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For investors, it is better to give priority to regions with abundant raw materials and strong policy support. By locking in raw material supply, improving production capacity utilization and expanding high-end markets (such as exports and civilian use), the return cycle can be further shortened and rapid profits can be achieved.

Wood Pellet Processing Investment Costs

1.Equipment Investment: 

Equipment investment varies significantly depending on the project scale and equipment selected. A small semi-automatic production line may cost only tens to hundreds of thousands of yuan, while a large fully automated production line can cost millions or even more.

2.Plant and Site Costs: 

You need to select an appropriate plant and site based on your production scale. Rental or construction costs vary by region.

Raw Material Procurement and Transportation Costs: Raw material costs are affected by factors such as region, season, and raw material type, while transportation costs are related to the raw material sourcing radius and product sales range.

3.Environmental and Other Expenses: 

These include the investment and operating costs of environmental protection equipment, utilities, and employee salaries.

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1.Excellent Environmental Performance and Low Carbon Emissions

Carbon Neutral: Wood pellet fuel is derived from wood processing waste (such as wood chips and sawdust) and is a biomass energy source. The carbon dioxide absorbed during plant growth is roughly balanced by the carbon dioxide released during combustion, making it a "carbon-neutral" energy source and significantly reducing its contribution to the greenhouse effect.

Low Pollutant Emissions: Compared to coal, wood pellets produce extremely low levels of pollutants such as sulfur dioxide and nitrogen oxides (often well below environmental standards) when burned, as well as low dust emissions, effectively reducing air pollution and meeting increasingly stringent environmental regulations.

2.Wide Source of Raw Materials and Controllable Costs

Abundant Raw Materials: The main raw materials are wood chips, sawdust, branches, and bark, which are residuals from the wood processing process. These materials are readily available and stable in the forestry, furniture manufacturing, and papermaking industries. They can even be converted into valuable resources, reducing the environmental impact of landfill or incineration.

Cost Advantage: The raw materials are mostly industrial waste, making procurement costs relatively low. In addition, some regions provide subsidies for biomass energy projects, further reducing production and use costs. Compared to other energy sources like natural gas and fuel oil, biomass energy offers significant economic benefits.

3.High Combustion Efficiency and Energy Utilization

High Density: Wood pellets are compressed and formed, resulting in a significantly higher density than logs or sawdust (typically 1.1-1.3 tons/cubic meter). They are less likely to loosen during combustion, resulting in a stable combustion state and a long-lasting flame. They also offer high thermal efficiency (typically over 85%, compared to only 40-50% for bulk firewood).

Stable Combustion: The pellets have a regular shape and uniform size, facilitating automated feeding and combustion control. They can be precisely adjusted with a matching pellet stove, reducing energy waste and making them suitable for applications requiring a stable heat source.

4.Convenient Storage and Transportation

Small Size: Compressed pellets are only 1/5-1/8 the volume of raw sawdust, significantly saving storage space. They can be stored in bags or bulk, eliminating the need for specialized storage facilities and are suitable for a variety of environments, including homes and businesses.

Low Transportation Cost: The high density allows for higher transport energy per unit volume, improving transportation efficiency and reducing costs. Furthermore, pellets are moisture-resistant (some products are treated to prevent moisture), minimizing losses during transportation.

5.Wide Range of Applications

Residential: They can be used for home heating and cooking (using devices such as pellet fireplaces and pellet stoves). They are easy to operate and clean, replacing traditional coal and firewood to improve the indoor environment.

Industrial: They can be used as boiler fuel to provide steam or hot water for factories, hotels, and hospitals. In agriculture, they can be used for greenhouse heating and drying agricultural products (such as grains and medicinal herbs).

Power Generation: Biomass energy is used as fuel in biomass power plants, either mixed with coal or burned alone to generate electricity, contributing to the transformation of the energy structure.

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