In today's technological era, the rapid replacement of electronic products has led to the generation of a large number of waste circuit boards. If these waste circuit boards are not handled properly, they will not only cause serious environmental pollution, but also waste a large amount of valuable metal resources contained therein. The emergence of water selection recycling equipment for waste circuit boards is like a guardian of environmental protection and resources, playing an important role in solving this problem. As the name suggests, the water selection recycling equipment for waste circuit boards is a professional device that uses the principle of water selection to recover metals from waste circuit boards. It mainly consists of a crushing system, a screening system, a flotation system, and a dewatering system. Through the coordinated work of these systems, the metals in waste circuit boards can be efficiently separated from non-metals, achieving the recycling and utilization of resources. The crushing system is the starting point of the entire set of equipment. After the waste circuit boards are crushed, their volume is greatly reduced, making them easier to handle in the subsequent process. The screening system can screen the crushed circuit boards according to different particle sizes, removing impurities that do not meet the requirements and providing purer raw materials for the subsequent flotation process. The flotation system is the key link of water selection recycling for waste circuit boards. In the flotation tank, specific flotation reagents are added to make the metal particles attach to bubbles and float to the surface, while the non-metallic particles sink to the bottom. By adjusting the type and concentration of flotation reagents, as well as the stirring speed of the flotation tank, efficient separation of different metals can be achieved. For example, copper, tin, and other metals can be well recovered by flotation, while non-metallic materials such as plastic and glass will remain at the bottom. The dewatering system is responsible for dewatering the flotated metal slurry, removing the water content and obtaining dried metal powders. These metal powders can be further refined and processed to become high-quality metal raw materials, which can then be re-used in production. The application of water selection recycling equipment for waste circuit boards is of great significance. On the one hand, it effectively reduces the environmental pollution caused by waste circuit boards. Traditional methods of waste circuit board treatment often use methods such as incineration or landfill, which release a large number of harmful substances and cause serious pollution to soil, water, and air. While water selection recycling equipment can recover the metal resources in waste circuit boards, avoiding the generation of these harmful substances and achieving a win-win situation of environmental protection and economy. On the other hand, it also saves resources. Waste circuit boards contain a large amount of valuable metals such as copper, tin, and lead. Through the processing of water selection recycling equipment, these metal resources can be recovered, reducing the exploitation of natural resources and playing an important role in alleviating the problem of resource shortage. In summary, water selection recycling equipment for waste circuit boards is an important environmental protection and resource recycling technology. Its emergence provides an effective way to solve the problem of waste circuit board treatment and helps to achieve the goals of environmental protection and sustainable use of resources. It is believed that in the future, with the continuous progress of technology and the continuous promotion of its application, water selection recycling equipment for waste circuit boards will play an even more important role in the field of environmental protection.