In today's era of rapid technological development, the pace of electronic product updates and replacements is breathtaking. A large number of waste circuit boards are generated as a result. If they are not properly handled, they will not only cause serious environmental pollution but also lead to the waste of precious metal resources. The emergence of water selection and recycling equipment for waste circuit boards provides an effective solution to this problem. The water selection and recycling equipment for waste circuit boards is a comprehensive recycling system that integrates multiple advanced technologies. It mainly consists of crushing equipment, water selection equipment, separation equipment, and other components. First, the waste circuit boards are coarsely and finely crushed by the crushing equipment, which preliminarily separates various metals and non-metallic materials in the circuit boards. This step is like opening the door to a treasure trove of resources, laying a foundation for subsequent recycling work. Next, the water selection equipment plays a key role. It uses the differences in buoyancy and sedimentation speed of different substances in water to further separate metals and non-metallic materials. Under the action of water, lighter non-metallic materials float on the water surface, while heavier metal materials sink to the bottom of the water. This water selection method is not only efficient but also environmentally friendly, avoiding the large amount of dust and harmful gases that may be generated in traditional recycling methods. The separation equipment then carries out fine separation and purification of the metals and non-metallic materials after water selection. It can accurately separate different types of metals, such as copper, aluminum, iron, etc., so that they meet the standards for reuse. After this series of processing, various resources in waste circuit boards are fully recycled and utilized, achieving a magnificent transformation from waste to valuable resources. The application of water selection and recycling equipment for waste circuit boards is of great significance. From an environmental perspective, it reduces the pollution of waste circuit boards to soil, water, and air, protecting our ecological environment. At the same time, it also saves a large amount of natural resources and alleviates the pressure of resource shortage. In economic terms, the recycled metal materials can be re-used in production, reducing the production costs of enterprises and improving economic efficiency. However, to give full play to the role of water selection and recycling equipment for waste circuit boards, the joint efforts of the government, enterprises, and all sectors of society are needed. The government should strengthen the supervision and support of the waste circuit board recycling industry, formulate relevant policies and standards, and guide enterprises to develop in a standardized manner. Enterprises should increase their efforts in technological research and development and innovation, and continuously improve the performance and recycling efficiency of the equipment. All sectors of society should also enhance their awareness of environmental protection and actively participate in the recycling of waste circuit boards. The water selection and recycling equipment for waste circuit boards is a powerful weapon for environmental protection and resource recycling. I believe that with its help, we can achieve efficient recycling and utilization of waste circuit boards, and contribute to building a beautiful home and achieving sustainable development.