Circuit board recycling equipment shredding separation of waste electronic circuit board recycling metal process
Release Time：2022-12-21 Source：Lithium battery recycling equipment Share：
The production and consumption of electronic products is growing extremely rapidly. With the renewal of electronic products, a large amount of electronic waste is generated. As a basic component of electronic waste, discarded printed circuit boards contain numerous heavy metal elements, resins and inorganic non-metallic materials, which have a huge negative impact on the environment. On the other hand, the abandoned circuit boards contain up to 25% copper metal with the abandonment of the circuit board is bound to lead to a great waste of copper metal resources. Therefore, the circuit board recycling equipment from the waste circuit board in the recovery of copper metal at the same time has environmental and economic benefits.
Circuit board recycling equipment crushing and separation of waste electronic circuit board recycling metal resources process: classification - conveying - crushing - grading - lifting vibration system - sorting - recycling Dust removal, in a fully enclosed recycling state, no secondary pollution; metal-containing solid waste has crushing equipment for coarse crushing, shear crusher for primary crushing, adjustable speed hammer crusher for secondary crushing; crushed mixture falls into the cyclone classifier after lifting sent to the vibrating screen, grading out of non-metallic dust into the bag dust collector; greater than 60 mesh material powder The powdered material with more than 60 mesh will enter the vibrating screen and be sorted out by vibrating screen; 60 mesh, 40 mesh, 20 mesh and 10 mesh material; the material with less than 10 mesh will be sent to the adjustable speed hammer crusher for secondary crushing; the material with less than 20 mesh will be sent to the high pressure electrostatic sorter, which separates the metal and non-metal powder by rotating multiple dust collecting plates fixed in series by the central shaft; the separated metal powder will be realized by the electrolytic production line for high purity separation of various metals. The separated metal powder is separated by electrolytic production line to achieve high purity of various metals.
Circuit board recycling equipment using physical methods of recycling processing, that is, the circuit board through mechanical crushing, separation of metal and non-metallic materials in the circuit board, process technology sorting, metal, non-metal, so as to achieve the recovery of metal resources method. Physical methods to recycle circuit boards because of the characteristics of a smaller impact on the environment, the amount of used appliances is also increasing, in the dismantling of used appliances will produce a large number of used circuit boards. In the waste circuit board contains a large amount of metal copper, how to effectively recover copper? Now mainly used to crush the waste circuit board and then wind separation method, physical treatment method is mainly to separate the metal and non-metal in the waste electronic products.