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Waste shredding is a complex process involving a series of sequential steps that are essential to avoid damage to machinery during processing and to obtain end products with greatly reduced volume compared to the starting material.
The shredding process includes:
The waste is selected, before being shredded, to divide it into as homogeneous batches as possible from the point of view of the type of material present. This step is critical to avoid incompatible materials collecting inside the shredder, which could interact in unexpected and potentially dangerous ways, such as causing a fire or explosion.
Loading the shredder with the material to be shredded can be done manually, using a hydraulic arm or a crane, or using a conveyor belt.
The actual chopping of the material, first rough cutting and then grinding. If the shredder is a single-shaft shredder, this stage entails pushing the material forward towards a rotating roller which shreds the material with the help of a pusher; on the other hand, if the shredder is dual-shaft, The blades are then hung on two counter-rotating shafts equipped with hooks which catch the product to be ground and drag it to the point of action of the blades
The output of shredded material, usually by gravity. The shredded material is then transported on belts before being stored in warehouses or on vehicles transported to landfills. If the shredder is equipped with mesh, the material leaves the plant in a predetermined size, otherwise, the size may not be uniform even though the amount of waste will be greatly reduced.