Waste circuit board recycling equipment three kinds of separation materials

Release Time：2022-11-04 Source：Lithium Battery Recycling Machine Share：

       Circuit board recycling and processing equipment takes dry crushing and shredding to make raw materials such as circuit boards into a mixture of metal and resin fiber powder, and then the PCB board becomes a mixture of metal and non-metal through a high-voltage electrostatic separator. Then through air separation technology, the metal and non-metal are completely separated and collected. The whole processing process is realized in one production line with fully enclosed operation, and no pollution is produced in the production. The recovered metallic copper and glass fiber can be reused. According to the analysis shows that in a certain range of air velocity, the air flow under the action of the PCB particle bed will simultaneously present: smaller non-metallic Pellets by the air flow transport, larger non-metallic particles and fine metal particles fluidized separation, as well as a large number of metal particles at the bottom of the bed and non-metallic large particles luzon vibration adjustment position three separation movement state.

 
       Now using circuit board crushing equipment for targeted crushing and sorting, the use of hammer crushing or shear crushing for effective * rate processing, the use of large pulse dust or air purifier for airflow dust sorting, in general, the non-metal in the substrate is mainly colorless transparent or white glass fiber and epoxy resin, good toughness, low strength, easy to break . After breaking more needle-shaped, flaky: all kinds of slots and other components in the non-metal is mainly PC, ABS and other plastics, the same brittle texture, easy to break, after breaking more irregular grain, the color is mainly black, a little milky white. And metal because of the strong ductility, by the broken easy to wind into spherical, rod, and crushed according to the different colors can determine the type of metal, such as the high content of cadmium in the substrate was bright purple. The aluminum in the pin is more silver-white, tin-lead solder is more off-white, the components in the iron, zinc is gray, other metals due to the content of very little and the main metal mixed together is not easy to distinguish. Therefore, by observing the shape and color of the broken metal and non-metal, we can initially determine the broken dissociation of the waste PCB and the analysis of the metal and non-metal reuse of the PCB.

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