Patented Products
Type : Double Shaft Shredder, Single Shaft Shredder, Wood Crusher.
Applicable Material : Packing boxes, pallets, cable drums, wooden packaging materials, discarded wooden formwork, timber planks, scaffolding, wooden supports, used bed boards, tables and chairs, cabinets, wooden floors, door and window frames, branches, trunks, roots, landscaping waste, sawdust, board skin, and wood scraps, etc.
A Wood Waste Shredder, also known as a wood crusher or wood shredder, is a mechanical device specifically designed for coarse or fine crushing of various waste wood and wood materials.
Its primary function is to mechanically shear, crush, and tear large, irregularly shaped wood waste (such as old furniture, building formwork, pallets, branches, trunks, and wood blocks) into smaller chips or blocks for subsequent resource utilization, such as biomass power generation, pelletizing, board making, and RDF fuel production.
Waste wood shredders generally use a dual-shaft shearing or single-shaft/multi-shaft rotary blade structure:
1. Dual-Shaft Shearing Shredder (Common Type)
• Structure: Two counter-rotating blade shafts, each equipped with multiple wear-resistant alloy blades, driven by a motor and a reducer.
• Working Process: The waste wood is fed into the shredding chamber, where the blades on the two shafts interlock, shredding the wood through shearing, tearing, and squeezing.
• Output Size: The output size can be controlled by adjusting the blade gap and screen, typically ranging from 10-50mm.
2. Single-Shaft/Multi-Shaft Shredder
• Suitable for larger and harder wood, the high-speed rotating blades impact and shear the material to achieve shredding.
The entire process is controlled by an electronic control system, with features such as automatic reversing, overload protection, and a safety door to ensure stable operation and safe operation.
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Main Advantages of Waste Wood Shredders:
1. Highly Efficient Shredding Capacity: Can quickly process large, complex-shaped wood waste with high shredding efficiency.
2. High Adaptability: Can process a variety of wood materials, including softwood, hardwood, used furniture, construction wood, branches, and more.
3. Uniform Discharge for Easy Subsequent Processing: Controllable discharge size provides ideal raw material for RDF production, biomass pellets, board making, composting, and more.
4. Environmentally Friendly and Energy-Saving: Compared to traditional incineration or landfilling, shredding and recycling is more environmentally friendly and reduces carbon emissions.
5. Sturdy Structure and Easy Maintenance: Made of highly wear-resistant materials, key components are durable; maintenance is simple, and the blades are replaceable.
Suitable materials for waste wood shredders:
1. Construction timber: discarded wooden formwork, timber planks, scaffolding, and wooden supports.
2. Furniture: used bed boards, tables and chairs, cabinets, wooden floors, and door and window frames.
3. Industrial timber: packaging boxes, pallets, cable drums, and wooden packaging materials.
4. Landscaping: branches, trunks, roots, and landscaping waste.
5. Other: wood chips, veneer, and wood scraps.
Wood and milling chips
Wood Pallets
Bark
Log
Waste Wood
Wood Chips
Wood Composites
Residual wood
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Waste Wood Disposal Process:
1. Pre-shredding (shredding): Use a twin-shaft shredder or wood crusher to initially shred mixed waste or wood components (such as furniture and wood blocks) to reduce volume and improve subsequent sorting efficiency.
2. Magnetic separation/air separation/screening: Separate metals, plastics, and inert materials, while screening out high-calorific-value organic combustible components (including wood chips, paper, and plastics).
3. Fine crushing (optional): Use a single-shaft shredder to reduce the screened combustibles to smaller sizes for easier shaping or blending.
4. Drying (optional): Reduce moisture content and increase calorific value.
5. RDF molding (optional): Use a briquetting machine, pelletizer, or other equipment to compress the crushed combustibles into RDF pellets or rods. 6. Storage and transportation: Used for combustion in cement kilns, power plants, and other applications.
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