Customer Site of Waste Bicycle Crushing and Sorting Line

At a customer site for waste resource recycling, the entire waste bicycle crushing and sorting line is operating efficiently and stably. The line boasts a high degree of automation and excellent sorting precision, specifically designed for the resource recovery of scrapped shared bicycles and household bicycles. Through a standardized process of pre-treatment dismantling, fine crushing, and multi-stage sorting, it achieves precise separation of materials such as iron, aluminum, copper, and plastic, enabling efficient recycling and reuse of waste bicycles.

The first step in the on-site operation is manual pre-treatment dismantling. All incoming waste bicycles undergo tire removal. Tires are non-metallic rubber materials; pre-dismantling and sorting them separately effectively prevents rubber debris from contaminating the crushing equipment, avoiding screen clogging and blade wear, and preventing interference with subsequent metal sorting. After dismantling, the bicycle frames, handlebars, pedals, chains, and other metal-mixed materials undergo significant purity improvement after removing impurities such as rubber and sponge, laying a solid foundation for subsequent crushing and sorting. The pre-treatment process is simple and efficient, suitable for the centralized processing needs of large quantities of waste bicycles.

Pre-processed pure metal bicycle frames are smoothly fed into a metal crusher via a chain conveyor for fine crushing. The equipment uses powerful shearing, impact, and kneading to shred the intact bicycle frame into uniform granular material, completely breaking down the bonded structure of iron, aluminum, copper, and trace amounts of plastic impurities. The entire crushing system operates stably, and with accompanying dust removal equipment, effectively suppresses dust during operation, resulting in a clean and environmentally friendly work environment. The crushed material has uniform particle size, free of large debris, meeting high-precision sorting standards.

The crushed mixture is then conveyed at a uniform speed to a magnetic separator, completing the first core sorting process. The magnetic separator utilizes the principle of strong magnetic field adsorption to precisely capture ferrous metals such as iron and steel in the material. Iron materials such as bicycle frames, wheel rims, and screws are completely adsorbed and separated, collected, and stored, achieving extremely high purity. The remaining non-ferrous metals such as aluminum and copper, along with a small amount of non-metallic impurities, continue to flow with the conveyor, achieving a complete initial separation of ferrous metals from other materials.

After magnetic separation to remove iron, the mixed material then enters an eddy current separator for deep separation. Utilizing the principle of electromagnetic induction, the equipment generates eddy currents for non-ferrous metals such as aluminum and copper, creating a repulsive force that precisely separates these metals from the mixture. This effectively filters out valuable non-ferrous metal raw materials such as bicycle handlebars, aluminum alloy parts, and copper wiring. Remaining lightweight impurities such as plastics and fine dust are thoroughly screened and removed, ultimately achieving precise triple separation of iron, non-ferrous metals, and non-metallic impurities.

The entire waste bicycle crushing and sorting line is a streamlined and highly automated process, requiring minimal manual intervention and achieving a sorting purity of over 95%. On-site, the customer's standardized crushing, magnetic separation, and eddy current multi-stage sorting process completely solved the problems of mixed waste bicycle materials and low recycling rates, significantly increasing the recycling value of waste metals. This approach combines environmental and economic benefits, making it a highly efficient solution for the resource-based recycling of waste bicycles.

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