In today's era of rapid technological development, printed circuit boards (PCBs) have become increasingly important as core components of electronic devices. However, the growing production and use of PCBs have also led to serious environmental pollution from large amounts of discarded PCBs. Fortunately, the emergence of PCB recycling equipment has provided powerful support for addressing this challenge, becoming an important force driving green recycling. PCBs contain various metals such as copper, tin, and lead, as well as harmful substances like fiberglass. If these discarded PCBs are not properly handled and simply thrown away, the heavy metals in them can seep into soil and water sources, causing long-term toxicity to the ecological environment and affecting the growth of plants and animals, as well as human health. PCB recycling equipment, however, can efficiently separate, recycle, and process discarded PCBs through advanced technologies and processes, extracting valuable metals and achieving resource reuse while reducing the emission of harmful substances. The working principle of PCB recycling equipment mainly includes crushing, sorting, and extraction. First, the discarded PCBs are crushed into small pieces for subsequent processing. Then, various sorting technologies such as magnetic sorting and gravity sorting are used to separate different types of metals and non-metallic substances. Finally, through extraction processes, valuable metals like copper and tin are extracted from the separated materials and processed into high-purity metal products for reuse in production. These PCB recycling equipment not only continuously innovate and advance in technology, but also demonstrate excellent environmental performance. They adopt closed processing systems to effectively prevent the leakage and spread of harmful substances and reduce environmental pollution. At the same time, some advanced PCB recycling equipment is equipped with intelligent control systems, which can monitor and control the entire recycling process in real time, improving recycling efficiency and quality. The application scope of PCB recycling equipment is extensive. Whether it's waste PCBs generated by electronic manufacturing enterprises or used PCBs from electronic product repair processes, they can all be recycled and processed by these equipment. In some developed countries, PCB recycling equipment has already been widely applied, with high recycling rates achieved. In China, with the continuous improvement of environmental awareness and the introduction of relevant policies, the market demand for PCB recycling equipment is also increasing. However, to fully leverage the role of PCB recycling equipment, the joint efforts of the entire society are needed. Electronic manufacturing enterprises should strengthen the management of discarded PCBs and actively adopt PCB recycling equipment for processing to reduce environmental pollution. At the same time, the government should increase support for the research and application of PCB recycling equipment, formulate relevant policies and regulations, and encourage and guide enterprises and society to participate in PCB recycling and utilization. In summary, PCB recycling equipment, as an important force driving green recycling, plays an irreplaceable role in addressing the problem of discarded PCB pollution. With continuous technological advancement and increasing application, it is believed that PCB recycling equipment will bring more benefits to our environment and society. Let's work together to use PCB recycling equipment to create a more green and sustainable future.