In today's era of rapid technological development, the pace of electronic product updates is becoming increasingly fast, and the number of waste circuit boards is also increasing day by day. If these waste circuit boards are not properly handled, they will not only cause a great waste of resources, but also pose a serious threat to the environment. The emergence of water-selective recycling equipment for waste circuit boards has brought new hope to solving this problem. The water-selective recycling equipment for waste circuit boards is an advanced device specifically designed for the processing and recycling of waste circuit boards. It integrates a variety of advanced technologies, aiming to efficiently separate and recycle various useful resources from waste circuit boards. The working principle of this equipment is based on the water-selective method. First, the waste circuit boards are preliminarily crushed into particles of appropriate sizes. Next, these particles are sent into the water-selective system. Under the action of water buoyancy and water flow, substances with different densities will produce different movement trajectories. High-density substances such as metals will sink, while low-density substances such as plastics and fibers will float on the water surface, thus achieving initial separation. Subsequently, through a series of fine screening and purification processes, the purity of the recycled substances is further improved. This equipment has many significant advantages. From an environmental perspective, it avoids the serious damage to the environment caused by traditional processing methods such as incineration and landfill, greatly reducing the emission of harmful substances and protecting the ecological environment. In terms of resource utilization, by efficiently recycling metals such as copper, aluminum, gold, and silver from circuit boards, it realizes the reuse of resources and alleviates the pressure of resource shortage. At the same time, the equipment has a high degree of automation, reducing manual operation, improving production efficiency, and reducing production costs. The application prospects of water-selective recycling equipment for waste circuit boards are very broad. With the continuous improvement of people's environmental awareness and the deepening of the concept of resource recycling and utilization, the demand for such equipment will continue to increase. It is not only suitable for electronic waste processing enterprises, but also provides an important experimental and production tool for some resource recycling and utilization research institutions. However, we should also note that there is still room for improvement in the technology of water-selective recycling equipment for waste circuit boards, such as further improving the purity of recycled substances and reducing energy consumption. But we believe that with the continuous progress of technology and the unremitting efforts of researchers, these problems will be gradually solved. The water-selective recycling equipment for waste circuit boards has opened up a new path for the processing and resource recycling of waste circuit boards. It will play an increasingly important role in promoting resource recycling and environmental protection, leading us towards a more green and sustainable future.