In today's era of rapid technological development, electronic devices are being replaced increasingly frequently, and printed circuit boards (PCBs), as the core components of electronic devices, are also increasing in number. However, PCBs contain a large number of harmful substances such as lead, mercury, and cadmium. If not properly disposed of, they will cause serious environmental pollution. Therefore, the emergence of PCB recycling equipment is particularly important. It is like a green guardian, playing an irreplaceable role in promoting the development of the green electronics industry. PCB recycling equipment is a specialized device used for recycling and processing PCBs. Through a series of processes and technologies, it separates the harmful substances in PCBs while recovering valuable metals and materials. These devices typically employ a combination of physical, chemical, and biological methods to achieve efficient and environmentally friendly recycling. The working principle of PCB recycling equipment mainly includes several steps: crushing, sorting, extraction, and refining. First, the waste PCBs are crushed into smaller particles for subsequent sorting and extraction. Then, different types of metals and materials such as copper, tin, and nickel are separated using sorting equipment. Next, PCBs are extracted using chemical or biological methods to remove harmful substances like lead and mercury for specialized treatment and disposal. Finally, the recovered metals and materials are refined and processed to meet certain purity and quality standards for reuse. The application of PCB recycling equipment not only reduces the environmental pollution caused by electronic waste but also achieves resource recycling, which is of great economic and environmental significance. On the one hand, by recovering valuable metals and materials from PCBs, we can reduce the exploitation and consumption of natural resources, lower production costs, and generate economic benefits for enterprises. On the other hand, effectively dealing with harmful substances in PCBs prevents them from entering the environment such as soil and water, reducing damage to the ecological environment and protecting human health and living environment. With the increasing awareness of environmental protection, the market demand for PCB recycling equipment is also gradually increasing. Currently, many enterprises at home and abroad have started to develop and produce PCB recycling equipment and achieved certain results. These devices not only continuously innovate and improve in technology but also demonstrate significant improvements in performance and efficiency. At the same time, the government is also increasing its support for the PCB recycling industry, introducing a series of policies and regulations to encourage enterprises to engage in PCB recycling business and promote the development of the green electronics industry. However, the development of PCB recycling equipment still faces some challenges. For example, the research and innovation of recycling technology requires significant investment in funds and human resources, and there are also certain technical difficulties and risks in the recycling process. In addition, the market scale of the PCB recycling industry is relatively small, and the profitability of enterprises is also affected to some extent. Therefore, it is necessary for the government, enterprises, and all sectors of society to work together to increase the research and promotion of PCB recycling equipment, improve the level and efficiency of recycling technology, and strengthen policy support and supervision for the PCB recycling industry, so as to promote the healthy and sustainable development of the PCB recycling industry. In summary, PCB recycling equipment is an important tool for promoting the development of the green electronics industry. It not only reduces the environmental pollution caused by electronic waste and achieves resource recycling, but also brings economic benefits to enterprises and promotes sustainable economic development. I believe that with the joint efforts of the government, enterprises, and all sectors of society, PCB recycling equipment will be more widely applied and promoted, making a greater contribution to building a beautiful Earth.