In today's era of rapid technological development, printed circuit boards (PCBS), as an important component of electronic devices, are increasingly produced and used. However, what followed was the serious pollution to the environment caused by a large number of discarded PCBS. To address this issue, PCB recycling equipment emerged. It not only embodies the concept of environmental protection but is also an outstanding representative of innovative technology. The emergence of PCB recycling equipment is a positive response to environmental issues. A discarded PCB contains various harmful substances such as lead, cadmium and mercury. If it is discarded at will, these harmful substances will seep into the soil and water sources, posing a huge threat to the ecological environment and human health. PCB recycling equipment, through a series of advanced processes and technologies, can effectively separate and extract various useful components in PCBS, such as copper, gold, silver and other precious metals, while properly handling harmful substances to meet environmental protection emission standards. This recycling approach not only reduces the reliance on natural resources and lowers production costs, but also avoids the environmental pollution caused by discarded PCBS, achieving a win-win situation for both economic and environmental benefits. The working principle of PCB recycling equipment is based on the combination of physical and chemical methods. Firstly, through physical processes such as crushing and screening, the discarded PCBS are decomposed into smaller particles for subsequent processing. Then, the PCB particles are soaked and cleaned with chemical solvents to dissolve the useful components within them. Then, through chemical methods such as electrolysis and extraction, the useful components dissolved out are separated and purified and refined. Finally, the treated residue is subjected to harmless treatment to meet environmental protection requirements. The entire recycling process is highly efficient and environmentally friendly, capable of maximizing the reuse of useful components in PCBS while minimizing the impact on the environment. In addition to its efficient recycling function, PCB recycling equipment also features intelligence and automation. Modern PCB recycling equipment is equipped with advanced sensors and control systems, which can monitor and control various parameters during the recycling process in real time, such as temperature, pressure, and flow rate, ensuring the stability and safety of the recycling process. Meanwhile, the equipment is also equipped with automatic alarm and fault diagnosis functions. When abnormal situations occur, it can promptly issue an alarm and automatically stop the operation of the equipment, thus avoiding environmental pollution and safety accidents caused by equipment failures. These intelligent and automated designs not only enhance the working efficiency and reliability of PCB recycling equipment, but also reduce the labor intensity and work risks of the operators. In conclusion, PCB recycling equipment is a perfect combination of environmental protection and innovation. Through advanced processes and technologies, it has achieved efficient recycling and utilization of waste PCBS, reducing environmental pollution and also bringing economic benefits to enterprises. With the continuous improvement of environmental awareness and the constant innovation of technology, PCB recycling equipment will play an increasingly important role in the future environmental protection field, creating a cleaner and more beautiful future for our Earth.