In today's era of rapid technological development, printed circuit boards (PCBs) are becoming increasingly important as core components of electronic devices, with their production and usage growing rapidly. However, the concomitant problem of PCB waste disposal has become increasingly prominent, not only causing serious environmental pollution but also wasting a large amount of resources. The emergence of PCB recycling equipment has been like a ray of hope, providing a key solution to this challenge. PCB recycling equipment is an advanced technological device specifically designed for recycling and processing PCB waste. Through a series of complex processes, it can effectively separate and extract various valuable metals, such as copper, gold, and silver, from PCBs, while properly handling hazardous substances to reduce environmental harm. The working principle of this equipment is based on a combination of physical and chemical methods. First, through pre-processing steps such as crushing and grinding, PCB waste is broken down into fine particles for subsequent separation and extraction operations. Then, by utilizing different physical and chemical properties, such as density differences and magnetism, processes like flotation and magnetic separation are used to separate metals like copper from other impurities. For some difficult-to-separate precious metals, such as gold and silver, chemical leaching methods can also be employed to enhance recovery efficiency. The application of PCB recycling equipment is of great significance. On the one hand, it effectively reduces the environmental pollution caused by PCB waste. PCBs contain a large amount of heavy metals and hazardous substances, such as lead and cadmium, which can cause serious pollution to soil and water if disposed of indiscriminately, harming the ecological environment and human health. However, through the processing of PCB recycling equipment, these hazardous substances can be effectively separated and treated, reducing environmental impact and achieving resource recycling. On the other hand, PCB recycling equipment also contributes to resource conservation. PCBs contain a large amount of valuable metals, such as copper, gold, and silver, which are important industrial raw materials. By recycling and extracting these metals, we can reduce reliance on primary mineral resources, lower the cost of resource extraction and processing, and reduce waste generation, achieving a win-win situation of economic and environmental benefits. However, at present, the application of PCB recycling equipment in China still faces some challenges. On the one hand, due to the relatively complex technology and high cost of PCB recycling equipment, some enterprises find it difficult to afford the purchase and operation costs of the equipment. On the other hand, the lack of a complete recycling system and policy support also affects the promotion and application of PCB recycling equipment. In order to promote the development of PCB recycling equipment, we need to strengthen technological research and development, reduce equipment costs, and improve the stability and reliability of the equipment. At the same time, the government should introduce relevant policies and regulations, strengthen supervision and support for the PCB recycling industry, establish a complete recycling system, and encourage enterprises to actively participate in PCB recycling work. Only in this way can we give full play to the role of PCB recycling equipment in solving the problem of PCB waste disposal and promoting resource recycling. In summary, PCB recycling equipment, as an important environmental protection technology equipment, plays an irreplaceable role in solving the problem of PCB waste disposal and promoting resource recycling. We should attach great importance to the development of PCB recycling equipment, increase investment and support, and let this key force play a greater role on the road of green recycling, making contributions to our environment and future.