#Industry ·2026-02-03
Today, with electronic waste piling up, discarded circuit boards full of components are like sleeping mineral deposits, holding great opportunities for resource reuse while also posing environmental risks from heavy metal pollution. The emergence of water-based recycling equipment has opened up a green channel for the resource utilization of e-waste with its unique physical separation principles and environmentally friendly processes. The core of water-based recycling technology lies in cleverly exploiting the density differences of materials to achieve efficient separation. When crushed circuit board fragments enter the water circulation system, lightweight plastics and resin-based substrates float up due to buoyancy, while heavy components such as precious metal particles and copper foil sink and accumulate. This water-based sorting method avoids dioxin emissions and acidic wastewater pollution at the source without high-temperature incineration or strong acid leaching, embodying the ecological wisdom of "using nature's ways to govern nature itself". The systematic design of the complete set of equipment further demonstrates the precision of modern environmental protection engineering. From the primary double-roll crusher that deconstructs whole boards into millimeter-sized fragments, to the vortex separator that achieves precise separation of metals and non-metals by adjusting water flow speed, to the high-frequency vibrating screen that finely screens materials of different sizes - each link is like a precisely interlocked gear, jointly forming a recycling chain for resource regeneration. Particularly worth mentioning is the hydraulic cyclone module, which creates a rotating water flow field to enable gradient enrichment of medium-density metals such as tin and lead. This "divide and conquer" strategy greatly enhances resource recovery rates. Compared with traditional recycling methods, water-based technology exhibits three advantages: its water-saving recycling system can achieve a water utilization rate of over 90%, significantly reducing operation and maintenance costs; its fully enclosed design effectively prevents dust spread and protects workers' health; and the separated non-metallic powder can also be used as building material filler for secondary value-added. In the case of a Guangdong-based environmental protection enterprise, a daily processing capacity of 50 tons can extract about 80 kg of gold and 700 tons of copper annually, equivalent to reducing the mining of 200,000 tons of primary ore. Environmental and economic benefits go hand in hand. Of course, technological innovation never stops. Currently, the separation efficiency of the equipment for laminated copper clad laminates still has room for improvement, and cutting-edge technologies such as nano-bubble flotation are emerging in laboratories. In the future, if combined with artificial intelligence visual recognition systems to achieve automatic disassembly and classification of components, it will promote the intelligent and precise advancement of the recycling process. When we gaze at the surging material flow in water-based recycling equipment, what we see is not just the physical separation of metals and non-metals, but also humanity's reflection and transcendence of industrial civilization. This seemingly cold mechanical system is actually a vivid embodiment of the concept of circular economy - it uses the flexible power of technology to transform electronic graves into urban mines, allowing discarded circuit boards to be reborn through the baptism of new technologies, and ultimately playing a green melody of harmonious coexistence between humans and nature.
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No. 15 Industrial Avenue, Industrial Park, Shicheng County, Jiangxi Province
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