With the progress and development of society, the widespread popularity and rapid update of electronic products such as used home appliances, mobile phones, TVs, computers, air conditioners, etc. has made e-waste a social issue that has received more and more attention. The harmless treatment of electronic waste recycling and processing has become one of China's environmental protection efforts. Circuit board recycling equipment mainly processes all kinds of waste circuit boards, circuit boards, copper clad laminates, scraps, aluminum-plastic panels, scrap pieces, electronic components, etc. Circuit board recycling equipment can not only separate metals in various metal garbage, but also recycle various waste circuit boards.
Most of the circuit board recycling equipment is technically mature and belongs to large-scale industrial production, and most of the others are small single-machine small-batch production. These processing equipment have defects such as high energy consumption, low production capacity, incomplete separation after crushing, and large fineness range, which makes the gravity separation rate less than 90%. Due to their high production costs, high labor intensity, and unsatisfactory economic benefits, these technologies cannot be industrialized. At present, there are many circuit board recycling equipment used in China. For the rare or precious metal parts of the circuit boards, pulverization and separation are used, that is, the precious metals are left after removing other components. There are no three wastes in this process, environmental protection measures can be guaranteed, no harm to the environment and workers, and effective use of these resources.
The circuit board recycling equipment crushes the waste circuit boards to less than 2 mm, and then removes the iron by magnetic separation, and uses high-voltage electrostatic separation technology to separate, so as to realize the recycling of resources. For example, the electronic components, glass, colloid, stainless steel, copper wire, copper sheet, aluminum, rubber, plastic and various iron contained in the circuit board can directly enter the equipment for separation and sorting without removing, and the metal recovery rate can reach More than 99%. This process can be operated automatically from feeding to the end of sorting with only 1-2 people. The process is a physical dry separation, does not require heating, incineration, water and chemical raw materials, and is low-cost, high-efficiency normal temperature dry separation. Circuit board recycling equipment has established a standard for electronic waste recycling, which has injected new impetus into environmental improvement, and the electronic waste recycling market will usher in new vitality.
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