What are the processing methods for recycling waste wires and cables?
Recycling and processing waste wires and cables, we mainly want to obtain the non-ferrous metal copper in them, so for the waste wires and cables we recycle, we need to ask how to deal with them. No matter which method, the ultimate goal is to remove the copper and plastic inside. The thread skins are separated. In general, there are mainly burning method, mechanical peeling method, physical pulverization method and freezing and other waste wire and cable treatment methods. Below, we summarize the recycling and processing methods of waste wires and cables as follows.
1. Manual peeling method; this method uses manual method to peel off the skin of wires and cables, which has high efficiency and low cost. It is better to handle some cables and square wires. Miscellaneous thread, its effect is poor. With the current economic development, labor costs are getting higher and higher, and fewer and fewer waste wires and cables are treated in this way.
2. Incineration method; this method is a relatively traditional method, which uses the combustible nature of the wire sheath to directly burn the waste wire and cable, and finally obtains the copper inside. However, this method has a relatively large defect. During the process of incineration, the surface of the copper wire will be seriously oxidized, which reduces the recovery rate of non-ferrous metals. In addition, the burning wire skin causes great pollution to the environment.
3. Mechanical peeling method; this method uses wire stripping machine equipment, which is a semi-mechanized operation, which can save labor to a certain extent. The disadvantage is that this method is only suitable for some single-strand square wires and cable wires. If we recycle raw materials such as automobile wires, home wires, network wires, electronic wires, etc., it is not suitable to use wire stripping machine equipment.
4. Physical and mechanical crushing method; this method adopts the method of crushing and sorting. The waste wires and cables are peeled by crushing, and then the copper and plastic are separated by water washing or airflow differentiation and electrostatic separation. This method has a wide range of applications. It can not only process thick square wires and cable wires, but also raw materials such as automobile wires, motorcycle wires, electric vehicle wires, network wires, communication wires, home appliance dismantling wires, and electronic wires. High, greatly reducing the manual work intensity.
5. Chemical method: When we mention the word "chemical", the most important thing that comes to our mind is environmental protection. Indeed, this method uses a chemical potion, and the wire skin and copper are separated through the soaking treatment of the potion. The problem is that the potion produced by it is not easy to handle and will cause greater environmental pollution, so this method is only in the experimental stage and has not been put into civilian use.
6. Freezing method; it is a little taller when you hear it. This method was also proposed in the 1990s. It uses liquid nitrogen as a refrigerant, so that waste wires and cables are frozen at ultra-low temperature and become brittle, and then broken and cooled. Vibration that separates the plastic and copper. This method has high cost, is difficult to operate on a large scale, and has not been put into actual production.
The above is what we have introduced to you about the recycling and processing methods of various waste wires and cables. As a professional recycling equipment manufacturer, SUNY GROUP has unique advantages in the recycling of waste wires. Various types of copper rice machines can help customers. Dealing with different waste wires, and the copper yield can reach 99.9%, it has cooperated with customers all over the world. If you have any questions or want to consult, please feel free to contact us.
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