The application of mechanical processing technology for circuit board recycling equipment
Release Time：2022-12-23 Source：Battery Recycling Machine Share：
The application of mechanical processing technology of circuit board recycling equipment, in order to obtain economic benefits at the same time, can meet the relevant standards of environmental protection, the use of mechanical processing technology can meet the above conditions. At present, mechanical processing technology in the actual application of many worthy of improvement, the relevant processes also need to be improved to improve the recovery rate and recovery purity as the basis, and constantly improve the use of mechanical processing equipment performance, looking for more effective technology.
Circuit board recycling equipment in the mechanical processing technology applied in the process of material separation, should be based on the monomer dissociation of each material sorting. The degree of crushing will affect the energy consumption of the equipment, and also has a direct impact on the subsequent sorting process, so that the crushing is a very important part. In this process, the common crushing equipment mainly includes hammer crusher, hammer mill and rotary crusher. Through the study of the crushing process, it is found that when the metal is crushed to 0.66mm, 100% dissociation can be achieved. The choice of crushing method and crushing equipment should be determined by the subsequent process.
Circuit board recycling equipment sorting process is mainly applied to the magnetic and electrical properties of the material in the scrap circuit board and the material density for sorting process. Magnetic and electrical separation of waste circuit board materials can be separated by using traditional magnetic separators, electrostatic sorting machines are also commonly used in the sorting process of waste circuit board sorting equipment, mainly for non-ferrous metals and plastic sorting. Density separation technology is the completion of the decomposition of metal materials, the use of different materials, the weight of different materials to be separated. It is important to note that the change in the weight of the metal and material in the alloy state does not have a significant effect on the sorting results. The equipment used for sorting the density of the material is a wind sorter and a cyclone, but the stability of these two types of equipment is poor and is influenced by the feeding conditions.
Circuit board recycling equipment using physical methods for the treatment of electronic waste, the processing process used hammer mill, magnetic separation, airflow sorting and current sorting and other related technologies for processing minerals, waste printed circuit board recycling technology has been relatively mature, mainly including electronic components reuse process, metal, plastic and other components of the sorting and recycling process of the two processes.
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