Biomass Shredder

Biomass shredders are core crushing equipment specifically designed for the pre-treatment of agricultural and forestry biomass waste. Using low-speed, high-torque shearing/tearing action, they crush large or bundled materials such as straw, branches, tree trunks, and reeds into uniform, controllable small pieces, facilitating subsequent processing in biomass power generation, pelleting, biogas production, papermaking, or organic fertilizer production.

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Main Types and Principles:

1. Dual-shaft Shredder Machine: Two counter-rotating, low-speed cutter shafts, through the meshing of moving and fixed blades, powerfully shear, compress, and tear the material; suitable for high-fiber, highly entangled bundles of straw and wood; uniform output, low dust and noise, and low wear.

2. Single-shaft Shredder Machine: A single cutter shaft with a liner/fixed blade, suitable for materials of medium hardness and regular shape; simple structure and low maintenance cost.

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Applicable Materials: Corn/wheat straw, rice straw, reeds, bark, branches, roots, bagasse, cotton stalks, etc.; can process loose materials, round bales, and square bales; Straw Bales, Straw, Waste Wood, Scrap Paper, Coconut shells, Grasses, Residual forest wood, Garden waste.

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  Straw Bales

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  Straw

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  Waste Wood

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  Scrap Paper

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  Coconut shells

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  Grasses

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  Residual forest wood

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  Garden waste

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Core Components: Cutter box (one-piece leak-proof), wear-resistant alloy blades (repairable/replaceable), geared motor (provides high torque), feeding system, PLC intelligent control system (with overload protection and temperature monitoring), dust removal/noise reduction device.

Post-shredding effect demonstration:

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Biomass Pellet Production Process:

XRIDO can provide the complete turnkey project biomass wood pellet production line, from design to install . Whether you want to produce wood pellet, sawdust pellet ,rice husk pellet, EFB pellet ，grass pellet or organic fertilizer pellet, the capacity is 1-100TPH can be choose.

Biomass Pellet Production Line:
1. Pre-crushing: Use a wood shredder/crusher to break down large materials such as wood blocks, tree roots, and furniture scraps into smaller pieces.
2. Fine Grinding: Use a single-shaft shredder/wood chipper/crusher to pulverize the raw materials into 3-5mm wood chips suitable for feeding into the pelletizer.
3. Drying: Most raw materials have a high initial moisture content (30%-60%), requiring a drum dryer/airflow dryer to reduce the moisture content to 8%-15% (the optimal pelletizing range). Drying is crucial for ensuring pellet quality and yield!
4. Screening/Magnetic Separation: Remove impurities, metal, stones, and other foreign matter, improving pellet purity and equipment life.
5. Pelletizing (Core Step): Use a biomass pelletizer (ring die/flat die pelletizer) to compress the wood chips under high temperature and pressure into dense, uniform pellets.
6. Cooling: Freshly pressed pellets are hot (approximately 80-90°C) and soft. They need to be cooled to room temperature in a pellet cooler to reduce moisture content, enhance hardness and strength, and facilitate storage and transportation.

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