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1. The working principle of  wet straw biomass pellet processing equipment

Wet straw pellet processing equipment uses wet straw as raw material and processes it into pellet fuel through a series of processes, including crushing, pulverizing, drying, and pelletizing. During processing, the raw material passes through a rotary cutter to break up the bundled straw into small particles that meet the requirements of subsequent processing. The material then enters the drying process to reduce its moisture content to a range suitable for pelletizing. Finally, it enters the pelletizing process, where it is formed into pellets through the extrusion of the equipment.

2. Characteristics of  wet straw biomass pellet processing equipment

(1) The motor shaft and the gear shaft are directly connected, which provides stronger power transmission, greater torque resistance, higher stability and lower maintenance rate.

(2) The bearing chamber has been improved, the sealing method has been changed, and forged tempered wear-resistant materials are used to prevent dust from falling into the bearing chamber.

(3) The gearbox body is larger, the gears are larger, the output power is higher, and the power consumption is lower.

(4) The bearings use genuine heavy-duty Harbin shafts, which have longer bearing life and lower maintenance rate for the whole machine.

(5) The ring die adopts a vertical double-layer structure, with both upper and lower layers used, which improves utilization, reduces costs and increases efficiency.

(6) The pressure wheel rotates, the material is centrifuged, and the surrounding material is evenly distributed.

(7) High efficiency and energy saving, automatic timed oil supply and lubrication ensure that the bearings are fully lubricated and the operation is safer and more reliable.

(8) High-pressure filtration and clean and smooth independent frequency conversion device ensure the output of particles.  

3. Application scenarios of  wet straw biomass pellet processing equipment

Used in straw waste recycling systems, wet straw is pelletized and used as a substrate to produce organic fertilizer or compost feedstock, serving farmland soil improvement and organic farming projects. The pellets can serve as a slow-release fertilizer carrier, slowly releasing nutrients to promote crop growth. This scenario emphasizes a circular economy. For example, in agricultural cooperatives, the equipment can handle seasonal straw surpluses (such as after the autumn harvest), reducing burning pollution and improving resource utilization. Pellets of straw are more easily integrated with microorganisms, accelerating the composting process and improving soil structure. The high density and consistent size of wet straw pellets facilitate long-distance transportation and international trade. The efficient and environmentally friendly use of straw resources supports energy transition, sustainable agricultural development, and industrial innovation. Its advantages include lower processing costs, reduced environmental pollution, and the promotion of rural economic revitalization.

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TONY Brand 24-30 TPH Wet Straw Line can process wet straw and various biomass materials related to agricultural waste into biomass pellets. Straw processing into biomass pellets has a wide range of uses .As fuel: straw pellet fuel can be used as boiler fuel for power plants, industrial boilers, civil heating and other fields. Its calorific value is similar to coal, but the price is lower, and the combustion process produces fewer pollutants, is a more environmentally friendly fuel. As feed: Straw pellets processed by straw pellet machining can be used as feed for livestock. This method can make full use of crop straw, reduce feed costs, and also help solve the problem of straw disposal. These uses can not only effectively use agricultural waste, reduce environmental pollution, but also create economic benefits and promote sustainable agricultural development.

1. Capacity: 24-30 Ton/Hour

2. Raw materials: Wet straw, including wet corn straw, wet wheat straw, wet cotton straw, wet flax straw, wet beet straw and other agricultural straw

3. Moisture: About 30-35%

4. Application: All kinds of  biomass materials suitable for pellet production.

Suitable customers: Green energy companies, agricultural cooperatives, and small - scale rural processing units that have ready access to wet straw and related agricultural residues.

5. Finished Pellets Markets: Large power plants, domestic heating systems in rural and suburban areas, industrial heating facilities in rural - based industries, combustion heat applications in local manufacturing units, heating systems in rural schools and community centers, boiler rooms in small - scale rural enterprises, and canteens in rural educational institutions.,farms, feed mills.

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1. Project Name: Wet Straw Production Line

2. Raw Material: Bales of  Wet Straw

3. Moisture Content of Raw Material: 30-35%

4. Capacity: 24-30 TPH

5. Process: Grinding Process - Fine Crushing Process - Straw Dust Storage Process-Drying Process-Pelletizing Process - Cooling Process - Packing Process

6. Main Equipment: Straw Cutter -TPX3000-132kw, Effective Hammer Mill- TFD85*220-220kw, TONY Large Hydraulic Storage Silo,Rotary Drum Dryer-2*24m ,TONY Pellet Machine-TYJ860-III-280kw, Galvanized Pellets Cooler, Ton Packing Machine and Belt Conveyors

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原材料+颗粒图

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1.Grinding Process：

A.The process is mainly used to grind wet straw within 2.2m in diameter into wet straw pieces. The rotary cutting mode of the outer chain of the gear, the rotary cutting rotor blade is sharp, and the blade types are various, which can be rotated to cut various bales of straw with different diameters, different thicknesses, different lengths and different water contents

B.TONY brand straw cutter TPX3000-132kw models *4sets

C.Capacity:5-9Ton/Hour/Set

Main Parts:

(1)Tony's New Straw Cutter

(2)Enlarged Turntable

(3)Rotary Cutting System

(4)Drive system

(5)Electrical Cabinet.

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 2.Fine Crushing Process：

A. The process is mainly used to crush 60-70mm wet straw pieces into 8-14mm wet straw dust.

B.TONY brand effective hammer mill TFD85*220-220kw *4sets.

C.Capacity: 24-30 tons/hour.

Main parts:

(1)TONY Effective Hammer Mill

(2)Galvanized Dust Collector.

(3)Sawdust Conveying Fan.

(4)Cyclone With Airlock.

(5)Electrical Cabinet.

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3.Straw Dust Storage Process:

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

B.TONY Brand Large Hydraulic Storage Silo to storage the straw dust 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 Large Hydraulic Storage Silo.

(2)With Screws Inside the Storage Bin to Prevent Straw Dust Blocked.

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4.Drying Process: 

A.This process is mainly used to dry the straw dust from 30-35% to 10-15%.  B.Capacity: 18 Ton/Hour. 

C.TONY use 4 sets of 2*24m rotary drum dryer for this process,TONY hot stove is made of firebrick pan, shell with H steel plate as the frame.   There are 3 layers of fire blocking device inside, which can effectively prevent the fire from entering the tumble dryer.Customers can choose to use waste wood, biomass pellets, natural gas, etc. as fuel for the hot air furnace

TONY dryer use spiral tube material, and is not easy to deform.Unlike other manufacturers with iron plate splicing welding, very easy to deformation.

Main Parts: 

(1)TONY's Rotary Drum Dryer Main Body.(Reducers With Motors and Pips)

(2)TONY's  Hot Stove.

(3)Fan Blower+Cyclone With Airlock.

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5.Pelletizing Process:

A.This process is mainly used to products pellets with φ6-8mm.

B.TONY brand vertical ring die pellet machine TYJ860-Ⅲ-280kw *6sets

C. Capacity:24-30Ton/Hour.

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 New Vertical Ring Die Pellet Machine.

(2)Cyclone And Bags Dust Collectors.

(3)Bearings Automatic Lubrication System.

(4)Electrical Cabinets.

For more equipment details and information, you can contact TONY

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6.Cooling Process:

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

B.TONY brand galvanized pellets cooler*2sets

C.Capacity:24-30 Ton/Hour.

Main Parts:                                                                                                                                   

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

(2) Cyclone and bags dust collectors.  

(3) Fan Blower.

(4) Connect Pipes.

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7.Packing Process:

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

B.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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Used in straw waste recycling systems, wet straw is pelletized and used as a substrate to produce organic fertilizer or compost feedstock, serving farmland soil improvement and organic farming projects. The pellets can serve as a slow-release fertilizer carrier, slowly releasing nutrients to promote crop growth. This scenario emphasizes a circular economy. For example, in agricultural cooperatives, the equipment can handle seasonal straw surpluses (such as after the autumn harvest), reducing burning pollution and improving resource utilization. Pellets of straw are more easily integrated with microorganisms, accelerating the composting process and improving soil structure. The high density and consistent size of wet straw pellets facilitate long-distance transportation and international trade. The efficient and environmentally friendly use of straw resources supports energy transition, sustainable agricultural development, and industrial innovation. Its advantages include lower processing costs, reduced environmental pollution, and the promotion of rural economic revitalization.

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1. Replacing Coal, Reducing Greenhouse Gas Emissions, Increasing Agricultural Value, and Complying with National Industrial Policies

Biomass pellets are made from pulverized biomass straw, forestry waste, and other raw materials through a cold compaction process. They have a density of 1.1-1.3 tons/m³, making them easy to store and transport, and improving combustion performance. They have a wide range of uses, including feed for large-scale livestock farms, residential heating, industrial boiler fuel, and power generation. Their significance lies in replacing coal, reducing greenhouse gas emissions, increasing agricultural value, and complying with national industrial policies.

2. Utilizing agricultural and forestry waste, they constitute resource reuse.

Biomass fuel utilizes agricultural and forestry waste and constitutes resource reuse.

3. Its operating cost is significantly lower than that of gas, oil, electricity, and other energy sources.

Because biomass fuel utilizes renewable waste resources, its operating cost is significantly lower than that of gas, oil, electricity, and other energy sources, making it a low-cost fuel.

4. Biomass fuel is environmentally friendly.

The levels of harmful gases such as carbon dioxide, nitrogen dioxide, and sulfur dioxide emitted by biomass fuel after combustion are significantly lower than those emitted by coal, and are within national emission standards.

5. Biomass fuel is a renewable energy source.A large amount of agricultural and forestry waste is recycled annually into biomass fuel pellets, so biomass fuel is inexhaustible.

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