Waste Shredder

A shredder is a powerful mechanical device that is used to reduce the size of solid waste materials into smaller, more manageable pieces. In a waste sorting facility, shredders are strategically placed to break down bulky items and to prepare materials for subsequent sorting processes. This step is crucial because it facilitates the separation of different waste streams, enhances the efficiency of recycling operations, and reduces the volume of waste destined for landfill.

Modern shredders employ various mechanisms to achieve their goal of size reduction. Typically, they consist of a series of rotating shafts equipped with sharp blades or teeth. When waste materials are fed into the machine, these components rotate, tearing and cutting the materials into smaller fragments. Depending on the type of shredder, the output can range from coarse chunks to fine particles, which are then sorted according to their material properties.

Single Shaft Shredders: These are typically used for lighter-duty applications such as plastics and textiles. They feature a single shaft with rotating knives that cut against a stationary knife.

Double Shaft Shredders: More robust, these shredders are ideal for a wide range of materials including wood, metals, and e-waste. They use two intermeshing shafts with rotating blades to cut through tough materials.

Four-Roller Crushers: Often used for crushing rather than shredding, these machines are effective at breaking down large volumes of waste into smaller sizes suitable for further processing.

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• Applications:

－Bucket products: plastic bucket, metal drum, paint bucket, intermediate －bulk container    (IBC) and dustbin

－Wastes: household waste, medical waste, kitchen waste, industrial waste, park waste

－Plastic products: plastic bottle, plastic frame, plastic block, plastic can

－Metal products: aluminum profile, oil filter, car shell, pop-top can, metal can

－Paper: newspaper, card paper, corrugated paper, copy paper

－Electronic appliances: refrigerator, circuit board, laptop shell, TV set shell, CD disk

－Glass