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Wood Pallet Shredder For Solid Waste Wood Recycling
A wood pallet shredder is a mechanical device specifically designed to shred wood pallets. It uses powerful mechanical force to break large, sturdy wood pallets into smaller, uniform pieces or chips for subsequent wood recycling, reprocessing, and biomass energy utilization. It is a key piece of equipment in the recycling of wood resources.
Working Principle
1. Power Transmission: The motor provides power, which is
transmitted to the shredder's main shaft through a transmission
mechanism such as pulleys, speed reducers, and couplings, causing
the main shaft to rotate steadily at a set speed and direction.
Typically, dual or quad motors are used to ensure sufficient torque
and power to process the wood pallets.
2. Material Input: A feed system (such as a hopper or conveyor)
feeds the wood pallets evenly and continuously into the shredder's
shredding chamber. The feed system controls the feed rate to ensure
a stable feed of the wood pallets.
3. Crushing Process: Within the shredding chamber, the main shaft
is equipped with sharp cutting tools (such as high-hardness alloy
blades) arranged in a specific pattern. Once the pallet enters the
chamber, high-speed rotating blades exert shearing, squeezing, and
tearing forces on it. Some pallet shredders utilize a dual- or
quad-shaft design, with blades on each shaft working together to
enhance the crushing effect and gradually break the pallet into
smaller pieces.
4. Discharge: The crushed wood blocks or chips are discharged
through the discharge port. The size of the chips can be controlled
by adjusting parameters such as blade spacing and spindle speed to
meet subsequent processing requirements.
Applicable Materials
1. Metals: Scrap steel, aluminum alloy, copper, stainless steel, and other
metal products, such as used car hulls, metal shelves, and metal
pipes. Shredders facilitate metal recovery and remelting.
2. Plastics: Various plastic products, such as plastic film, plastic pipes,
plastic containers, and plastic pallets. Shredded plastics can be
further processed into recycled plastic pellets for use in the
manufacture of new plastic products.
3. Rubber: Rubber products such as used tires, rubber hoses, and rubber mats.
Shredded rubber can be used to produce recycled rubber, rubber
floor tiles, and other products.
4. Wood: Scrap wood, wooden pallets, wooden furniture, and tree branches.
After processing in a shredder, wood can be used in industries such
as biomass power generation, wood-based panels, and papermaking.
5. Paper: Waste paper, cardboard, and cartons. Shredded paper facilitates
subsequent recycling in papermaking.
6. Fiber: Fiber products such as used clothing, carpets, and non-woven
fabrics. These waste materials can be shredded and reprocessed into
fiber products or other products.
Advantages
1. Efficient Crushing: It can quickly process large quantities of
pallets, improving crushing efficiency and shortening processing
time, meeting the needs of large-scale pallet recycling.
2. Excellent Crushing: It can shred pallets into uniform blocks or
chips, facilitating subsequent recycling, such as in the production
of artificial boards and biomass pellets.
3. High Adaptability: It can process pallets of varying sizes,
thicknesses, and materials, including solid and composite wood
pallets, and can also accommodate certain levels of deformation and
damage.
4. Good Stability: The equipment features a rationally designed
structure, high-quality steel, and advanced manufacturing
processes. It can withstand heavy workloads, operates stably and
reliably, and minimizes malfunctions.
5. Environmentally Friendly and Energy-Saving: Some equipment is
equipped with a dust removal device to reduce dust pollution during
the shredding process. Furthermore, the power system is optimized
to reduce energy consumption, meeting environmental and
energy-saving requirements.
Product Specifications:
Model | Overall Size(mm) | Crushing Cavity Size(mm) | Power(kw) | Weight(kg) |
XRD - SZSS - 500 | 2800×1300×1850 | 500×480 | 11×2 | 2200 |
XRD - SZSS - 800 | 3000×1300×1850 | 800×480 | 15×2 | 2500 |
XRD - SZSS - 1000 | 3300×1900×2200 | 1000×690 | 22×2 | 5200 |
XRD - SZSS - 1200 | 3600×2000×2200 | 1200×690 | 30×2 | 6400 |
XRD - SZSS - 1500 | 4100×2100×2400 | 1500×850 | 55×2 | 9000 |
XRD - SZSS - 1800 | 5800×2400×3300 | 1800×1206 | 75×2 | 13600 |
XRD - SZSS - 2000 | 6400×2700×3500 | 2000×1490 | 90×2 | 20100 |
XRD - SZSS - 2500 | 7500×3200×3800 | 2500×1800 | 110×2 | 22500 |
XRD - SZSS - 3000 | 8600×3500×4000 | 3000×1800 | 160×2 | 31000 |
(Special - customized types can be customized according to the size and type of materials.)
The waste wood shredding and recycling process primarily includes
the following steps:
1. Pretreatment: Metal contaminants (such as nails and wire) are first removed from
the wood using manual or magnetic separation equipment (such as a
suspended magnetic separator) to prevent damage to subsequent
equipment. If the wood contains lightweight impurities such as
plastic film and packaging, air separation or manual sorting can be
used for initial separation.
2. Conveying and Feeding: The pretreated wood is evenly fed into the shredder feed port via
a belt conveyor or grab bucket. The conveying speed can be adjusted
according to the equipment's processing capacity to ensure
continuous and stable feeding.
3. Shredding and Crushing: The wood enters the dual-shaft or quad-shaft shredder, where
high-speed rotating alloy cutters (or claws) apply shearing,
squeezing, and tearing forces to the wood, breaking it into 10-50
cm chunks (or adjustable output size depending on demand). The
multi-shaft design improves shredding efficiency and accommodates
waste wood of varying hardness (e.g., hardwood, softwood) and size.
4. Secondary Sorting (Optional): If higher purity is required, the crushed wood can be further
purified through magnetic separation (to remove impurities again),
air separation (to separate light impurities), or screening (to
classify by particle size).
5. Discharge Storage: The final crushed material (uniform wood blocks/chips) is conveyed
by the discharge conveyor to a silo for temporary storage. It can
then be used for biomass power generation, biomass pellet
production, wood-based panel raw materials, and other applications,
achieving resource recycling.
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