Metal waste (scrap metal) has a high recycling value. It can be smelted back into recycled metal, or used to produce machinery and equipment or parts, tools and civil appliances. Metal waste can be fed into a double-shaft shredder to reduce the size of the raw materials through the shearing, extrusion and tearing of the blades. It can then be sorted by a magnetic separator and an eddy current separator to improve the recycling efficiency of ferrous and non-ferrous metals.
What Is A Waste Wood Shredder ？
Metal shredder is a double-shaft shredder equipment. With the widespread use of metal crushers and the development of scrap metal graded crushing technology, metal shredders have emerged and become a new type of metal crushing equipment. The shredder teeth of the metal shredder are spirally arranged on the main shaft of the knife roller. The two parallel guide rollers rotate in opposite directions to achieve the expulsion and crushing of the material. Since the equipment is mainly used to crush various large-volume scrap metal materials, and cooperates with metal crushers and other equipment to perform secondary material particle size crushing, it is also called a metal coarse crusher.
The metal shredder makes full use of the characteristics that the shear and tensile strength of the material is much smaller than the compressive strength, and uses the shear and tensile forces to crush the material. Therefore, the metal shredder has the characteristics of low energy consumption, low over-crushing rate, simple structure, and easy maintenance. It is one of the indispensable crushing equipment for many large automobile crushing plants and large-scale scrap steel and aluminum crushing and recycling plants.
Working Principle of Waste Wood Shredder
Wood shredders mainly use high-speed rotating knives or blades to shear, tear and squeeze materials to break them into small pieces. According to different materials and crushing requirements, shredders can use different knives and crushing chamber structure designs to achieve the best crushing effect. Shredders usually have the characteristics of simple structure, easy operation, and high crushing efficiency.
When the wood shredder equipment is working, the material can be fully and effectively crushed in the crushing chamber, with high output, low energy consumption, high efficiency, and uniform discharge. And when using this equipment, it has the advantages of low noise, no pollution, simple operation, and easy maintenance. It has brought great impetus to the recycling of waste wood, avoiding environmental pollution caused by incineration, and forming a sustainable development industry chain.
The Waste Wood Shredder can shred the following materials:
Industrial and construction waste:
wooden pallets, packaging boxes, building templates, bamboo plywood, containers, etc.; waste doors and windows, furniture, wooden frame materials, paint buckets, etc.
Garden and natural waste:
Branches, trunks, roots, stumps, fruit branches, etc., bark, leaves, wood scraps, etc.
Complex wood with impurities:
Wooden boards with nails, waste appliance shells (such as plastic or metal mixed materials); wooden packaging boxes with mixed metals, which can be automatically separated from iron and wood after being shredded.
Other special materials:
Cardboard, plywood, waste tires (supported by some models);
High-hardness wood such as acacia and pine (the equipment needs to have wear-resistant blades)
Advantages of Waste Wood Shredder
1. Efficient processing capability
The wood shredder uses special knives and power systems to quickly process various types of wood waste (such as branches, wooden pallets, building templates, etc.), and crush the materials to uniform sizes (such as 6-8mm) in a short time, significantly improving production efficiency.
It can process wood of different hardness, moisture and shapes, including materials with high moisture content and high hardness wood, and control the particle size of the output by adjusting the knives and screens.
2. Environmental protection and energy-saving characteristics
By converting waste wood into sawdust or particles, it reduces the demand for new wood, reduces carbon emissions, and promotes the sustainable development of industries such as biomass energy and papermaking.
3. Economic and maintenance advantages
The knives are made of alloy steel or special wear-resistant materials, with little wear and can be repaired and used repeatedly, with low maintenance costs; the recycling of waste wood reduces the cost of raw material procurement.
Equipped with a PLC control system, it supports automatic start and stop, reversal and overload protection, is easy and safe to operate, and reduces manual intervention.
4. Structural and functional design
The body is welded with high-strength steel plates and is designed to resist high torque. The bearing and gear sealing structure effectively isolates dust and lubrication systems, extending service life.
In addition to wood, it can also handle mixed waste such as plastics and metals (such as wooden boards with nails and iron barrels), adapting to the needs of various industrial scenarios.
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