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NewsHome > News >

Working principle and operation process of circuit board (PCB) recycling equipment

Time:2020-02-04 11:56 Author:Suny Group

Whether the circuit board recycling equipment is environmentally friendly mainly refers to whether the processing technology of the circuit board recycling equipment is environmentally friendly and whether the emission standards meet the standards. Environmentally friendly circuit board recycling equipment uses a dry physical separation method. The copper metal contained in the crushed circuit board is extracted through crushing and sorting. Our circuit board recycling equipment is equipped with a pulse dust removal device, which is connected to the bucket elevator to achieve fully enclosed operation. There is no dust leakage, environmental protection and no pollution. It is a set of environmentally friendly metal separation equipment with emission standards.

circuit board recycling equipment
circuit board recycling equipment

The circuit board recycling equipment sends the circuit board to the shredder and crusher by the conveyor, shreds the circuit board to 3-5 cm, and then falls directly into the crusher; the crushed particles reach 1-2 cm, and then are fed by The screw is fed into a three-stage mill for milling; the mill is an integrated water-cooled mill, which is milled under the condition of ensuring the normal temperature of the machine, and the mesh number reaches 50-80 mesh; the mill has a classification screen In the extension, the circuit board powder that reaches the required mesh number during the milling process enters the next step, and the cycle cannot be achieved again. 50-80 mesh circuit board powder enters the next step of wind specific gravity separator. According to the specific gravity of copper powder and resin fiber powder, the primary separation can separate about 70% of the metal powder; the powder separated by the specific gravity separator and the upper air extraction The removed powder enters the pulse precipitator, and the powder discharged by the pulse precipitator contains a small amount of copper powder, which is then sent to a high-voltage electrostatic separation device by a wind loader for one-step separation.

Working principle and operation process of circuit board (PCB) recycling equipment
Working principle and operation process of circuit board (PCB) recycling equipment

Our circuit board recycling equipment separates and recycles the original electronic value, copper, non-metals (mainly glass fiber and resin) in printed circuit boards (ie, PCBs), and manually places the PCB light boards on a belt conveyor to the two stages. After the crusher is crushed into granules, the copper and non-metals in the PCB are separated and recovered through three stages of milling, wind classification, gravity classification, screening classification, and high-voltage electrostatic separator sorting. Our environmental protection circuit board recycling equipment is industrial, advanced, mature, energy-saving and long-term stable operation of waste electronic waste processing equipment. And meet the technical conditions of the process, can meet normal and safe operation and long-term use.

The waste purchase station disposes hazardous printed circuit boards and other hazardous waste. A large number of printed circuit boards to be dismantled, printed circuit boards that have been shredded and disassembled, and disassembled from the waste printed circuit boards are stored on the ground, in the factory shed, and in the warehouse. Circuit components. Workers in the factory shed are dismantling the abandoned printed circuit boards. The factory yard is equipped with a shredder and there is no supporting pollution treatment facilities. It is illegal to pollute the environment. Waste printed circuit boards are hazardous waste, and environmental protection circuit board recycling equipment should be selected for regular disposal.

Environmental protection circuit board recycling equipment can be adjusted according to customers' different circuit boards and copper clad materials and processing capacity. Adopt new dry physical separation technology, equipped with pulse dust removal system, fully enclosed operation, no dust leakage, environmental protection and pollution-free , In line with national environmental protection requirements. Waste printed circuit boards are hazardous waste, and environmental protection circuit board recycling equipment should be selected for regular disposal.

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