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

(1)Pretreatment: "Homogenization" of dry sawdust

Wood chips (such as wood processing waste, construction waste sawdust, etc.) usually have problems such as uneven size and humidity fluctuations. They need to be adjusted to a state suitable for molding through pretreatment to avoid subsequent blockage or molding failure.

(2)Core material molding: "Fiber reorganization and densification" under mechanical extrusion

This is the key step in converting dry sawdust into pellets. Its core principle is "high-pressure extrusion + wood fiber self-bonding" - the lignin in the dry sawdust (a natural adhesive that softens under pressure and frictional heat) works together with water to make the fibers tightly bonded to form pellets of fixed shape.

(3)Cutting and shaping: "Precise control" of pellet length

Dry sawdust extruded from the die forming hole will form "continuous cylindrical strips" and need to be cut into pellets of uniform length by a cutting mechanism.

(4)Cooling and screening:

The final checkpoint for pellet quality

(5)Auxiliary system:

Ensure stable operation of the equipment,Dry sawdust pellet processing equipment requires auxiliary systems to solve problems such as "blockage and overload" during the dry material processing process. The core systems include electronic control system, dust removal system and lubrication system.

2.Characteristics of dried wood chips biomass pellet processing equipment

(1)High efficiency and energy saving:

The dried wood chippellet machine can process waste materials such as sawdust into pellet fuel, which not only reduces environmental pollution but also realizes the recycling of resources and greatly improves energy utilization efficiency. 

(2)Multifunctionality:

In addition to processing biomass fuel, the dried wood chippellet machine can also process animal feed, organic fertilizer, etc., and is widely used in agriculture, breeding and other fields. 

(3)Advanced pelletizing technology:

The dried wood chippellet machine adopts advanced pelletizing technology, which can automatically control parameters such as water addition and temperature during the pelletizing process, greatly reducing production costs and making the production process more economical and environmentally friendly.

(4)High-quality components:

The main shaft and the connected hollow shaft of the dried wood chippellet machine are made of alloy structural steel imported from Germany through water forging, rough turning, heat treatment, fine turning and fine grinding. The reasonable structure and uniform hardness improve the fatigue resistance and wear resistance of the components, providing more reliable guarantee for safe operation.

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

(1)The deployment of dried wood chip pellet processing equipment essentially adheres to the dual principles of "raw material proximity + product proximity"—needing proximity to both dried wood chipproduction sites (to reduce raw material transportation costs) and pellet demand (to reduce product transportation costs). Therefore, it is primarily concentrated in the following areas:

Wood/furniture industry clusters

(2)Regions rich in forestry resources (such as northern heating areas and biomass power plant clusters);

(3)Cities with strict environmental protection policies and a high demand for solid waste recycling

(4)Across these scenarios, the key is to achieve efficient conversion fromdried  wood chips to high-value pellets.

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TONY Brand  32-40Ton/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:  32-40Ton/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:  32-40 tons per hour

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

6. Main Equipment: Effective Hammer Mill-TFD100*200-315KW, 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:32-40Ton/Hour. 

C.TONY brand effective hammer mill TFD100*200-315KW*3sets

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: 32-40Ton/Hour. 

C.TONY brand vertical ring die pellet machine TYJ860-Ⅲ-280KW*8sets

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: 32-40Ton/Hour.                                                   

C.TONY brand galvanized pellets cooler separator*2sets                 

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: 32-40Ton/Hour.

C.TONY brand ton packing machine*2sets  

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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Project Advantages: Market competitiveness and environmental value

1. Excellent product characteristics and strong market competitiveness

Biomass pellets have many excellent characteristics. Their calorific value is high, generally 4200-4800 kcal/kg, close to medium-quality coal, and can provide sufficient heat; they have low ash content, and very little ash remains after combustion, reducing cleaning costs and environmental pollution; they have low emissions, extremely low sulfur content (usually <0.05%), and low nitrogen content. The pollutants such as SO₂ and NOₓ produced during combustion are much lower than those produced by burning coal, meeting strict environmental protection standards and are highly favored by customers with high environmental protection requirements. In addition, biomass pellets have a regular shape, mostly cylindrical pellets with a diameter of 6-12mm and a length of 20-50mm. The density can reach 0.8-1.2g/cm³, high hardness, not easy to break, and easy to store and transport, further enhancing the market competitiveness of the product. 

2. Significant environmental benefits and high social value

The development of the biomass pellet industry is to "turn waste into treasure" for agricultural and forestry waste, realize the recycling of resources, and reduce the pollution of waste to the environment. At the same time, during the combustion process of biomass pellets, the carbon dioxide emissions are basically balanced with the carbon dioxide absorbed during plant growth, achieving "carbon neutrality", helping to alleviate the greenhouse effect and improve air quality. This not only complies with the national environmental protection policy, but also establishes a good corporate image for entrepreneurs, bringing high social reputation and potential business opportunities.

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Advantages of Dry Wood Pellets

Processing dry wood chips into biomass pellets not only offers numerous advantages in terms of environmental protection, economic and social development, and improving the energy structure, but also boasts excellent combustion performance. The main advantages are as follows:

1.Calorific Value and Combustion Residues

The calorific value and ash content of dry wood pellets after combustion are approximately 10% lower than those of medium-quality coal. However, under normal operating conditions, dry wood pellets burn completely. Coal, on the other hand, burns incompletely, leaving residual ash containing 10% to 15% combustible components. Therefore, in practical applications, the effective calorific value of the two is comparable.

2.Combustibility

Dry wood pellets ignite more easily than coal, significantly reducing the ignition time required for combustion.

3.Solid Emissions

Dry wood biomass pellets have significantly lower solid emissions than coal. This not only reduces slag disposal costs but also reduces environmental pollution. Solid emissions from dry wood biomass pellets are primarily ash, accounting for approximately 0.4% to 7.0% of the total weight. In contrast, coal combustion produces a mixture of ash, alkali, and unburned coal, comprising approximately 25% to 40% of the total weight.

4.Air Pollution and Corrosion

Coal causes significantly higher levels of air pollution and boiler corrosion than dry wood biomass pellets. Soot contains a large amount of particulate carbon, as well as toxic and corrosive gases such as sulfur dioxide and carbon monoxide. Dry wood biomass pellets are primarily composed of C-H organic matter, and their flue gas contains no particulate carbon or sulfur dioxide. Instead, it is primarily composed of C-H volatile gases, with virtually zero sulfur dioxide and carbon monoxide emissions. When burned, the smoke color is below Ringelmann Class 1, significantly reducing air pollution and carbon dioxide emissions. Dry wood biomass pellets are internationally recognized as a "clean fuel."

5.Cost and Time Savings

Compared to coal, using dry wood biomass pellets as a boiler fuel saves costs and time. For example, for a 0.5-ton boiler, using dry wood biomass pellets can reduce costs by 11% and save time by 34%. For example, for a 0.5-ton boiler, fuel costs are reduced by 10% and time is saved by 16% compared to coal.

6.Continuous Combustion

Dry wood chip biomass pellets typically burn 8 to 10 times longer than loose, soft materials, maintaining a stable and continuous combustion state, ensuring a more reliable energy supply.

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