Waste PCB board pyrolyzation device

Abstract

The invention discloses a waste PCB board pyrolyzation device. The waste PCB board pyrolyzation device comprises a feeding hole and a crushing chamber, wherein the feeding hole is formed in the upperpart of the crushing chamber, a heating chamber is connected to the lower part of the crushing chamber through a screening gate, an inert gas supplying device is connected to the left side of the heating chamber, a condenser is connected to the right side of the heating chamber, a pyrolytic oil recycling device is connected to the lower part of the condenser, one end of a gas circulating device isconnected to the upper part of the condenser, and the other end of the gas circulating device is connected to the heating chamber. According to the waste PCB board pyrolyzation device, waste PCB boards can be crushed and pyrolyzed, solid products generated by pyrolyzation are remained in a quartz reaction pipe, a gas product generated by pyrolyzation is condensed into non-condensable gas and pyrolytic oil, the pyrolytic oil flows into the pyrolytic oil recycling device and is recycled, and the non-condensable gas enters the heating chamber and is taken as a combustion improver for the heatingchamber, so that the recycling is adequate, the wasting of resources is avoided, and secondary pollution is avoided.

Description

technical field [0001] The invention belongs to the technical field, and in particular relates to a waste PCB board pyrolysis device. Background technique [0002] In the production process of PCB boards, due to the complex manufacturing process of PCB boards, the production process is a discontinuous assembly line form, and it is difficult to rework problems in the production process of PCB boards. Therefore, PCB board manufacturers will inevitably need to deal with scrapped products. PCB boards, the current treatment of waste PCB boards is mainly for the purpose of recycling metals, extracting metals by pyrometallurgy, hydrometallurgy, or separating and recycling metals by mechanical and physical methods. These methods will cause secondary pollution, while pyrolysis It is currently recognized that plastic substances undergo thermal decomposition reactions under anaerobic conditions, degrade polymers in plastics, and release volatile organic components from solid residues, ...

AI Technical Summary

Problems solved by technology

[0002] In the production process of PCB boards, due to the complex manufacturing process of PCB boards, the production process is a discontinuous assembly line form, and it is difficult to rework problems in the production process of PCB boards. Therefore, PCB board manufacturers will inevitably need to deal with scrapped products. PCB boards, the current treatment of waste PCB boards is mainly for the purpose of recycling metals, extracting metals by pyrometallurgy, hydrometallurgy, or separating and recycling metals by mechanical and physical methods. These methods will cause secondary pollution, while pyrolysis It is currently recognized that plastic substances undergo thermal decomposition reactions under anaerobic conditions, degrade polymers in plastics, and release volatile organic components from solid residues, and obtain pyrolysis oil that can be recycled after condensation. An effective method for resource recovery, but traditional pyrolysis devices are difficult to reuse non-condensable gases, and non-condensable gases are often wasted because they are difficult to collect. Therefore, a waste PCB that can better recycle pyrolysis products is needed Plate pyrolysis unit

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