Scrap copper wire recycling granulator
More and more attention has been paid to the resource recovery technology of recycled copper from waste wires and cables. Waste wire and cable recycling and processing procedures, the current main technology for resource utilization of waste wire and cable is mechanical treatment technology. Mechanical processing technology is the main technology adopted by various processing enterprises at present. It is to use machinery to separate the copper core and plastic sheath of waste electric cables, and recycle the copper in them. The commonly used mechanical recycling technologies include wire stripping and crushing, and the machines used are wire stripping machines and copper rice machines.
How to recycle waste cables, how much do you know about recycling cables? Inaccurate storage methods for waste cables will affect cable performance, reduce cable life, and affect the price of waste cable recycling. Here, we must give you the knowledge of waste cable storage. Let's talk about what is the recycling of waste cables---- waste wire and cable recycling processing process of scrap copper price, cable recycling is in the renovation and reconstruction of various building facilities, because of demand, it is necessary to re-arrange cables and wires, the previous The cable is just useless. It is understood that the price of recycling wires and cables is not low, and purchasing new cables requires a lot of money. If you recycle the previous cables in time, it can also bring you a lot of considerable income to offset your Procurement cost of new cables.
The crushing technology is to directly crush the waste wires and cables into granules by cutting or crushing mechanical equipment, and then separate the plastic and metal through the sorting equipment. The complete set of mechanical equipment including crushing and sorting is often called "copper rice". machine". According to different sorting methods, the copper rice machine can be divided into dry copper rice machine and wet copper rice machine
Anyone who has been engaged in the recycling of waste cables knows that the inside of the cable is mainly composed of pure copper wire. Because the copper of the cable is reddish, this kind of copper is commonly known as red copper. Red copper has better conductivity, so it will be used Made into power cables, there are also brass, red copper, bronze, etc., which are impure copper, which will contain zinc, tin or phosphorus. This kind of copper is not as conductive as pure copper, so it can only be used for Into various structural parts such as copper water pipes or copper handles. Because our master has been working for more than ten years to recycle waste cables, the good cable and the poor cable, the master can see the color and thickness of the copper inside and know that they are almost the same. Because the power cable is very thick, in order to ensure the service life of the cable, the very thick cable is usually composed of several relatively thin cables side by side. The inner cable is covered with a layer of polyethylene insulation, and these thinner cables The cable is twisted by many strands of pure copper wires.
The dry copper rice machine refers to the copper rice machine that uses a sorting method that does not add water during the sorting process, and mainly uses airflow sorting or electrostatic sorting methods for sorting. The idea of the wet copper rice machine mainly comes from ore dressing, using gravity shaking table for sorting, using water as the fluid, under the action of water washing and bed vibration, the purpose of sorting is achieved based on the different densities of copper particles and plastic particles. At present, The domestic copper rice machine adopts two-stage crushing + airflow sorting + electrostatic sorting.
In the traditional copper rice machine cable, the diameter of the metal conductor is the same as the distance between the cutters, that is, the waste cable with a single line type, but the state of the cable in reality is messy, and the crushing equipment is processing the messy wires (cables with different diameters) ) will cause unnecessary wear of the tool, making the crushing difficult and the crushing efficiency low.
Wire and cable recycling removes the above two types of wires that have recycling value, and the third type of wires that have recycling value are various types of wires used in the power industry. Especially the kind of wires that are used in large quantities in power plants and substations for a long time often have a high recycling value, because power engineering or the power industry is very particular about the use of cables, cables with poor performance or If it is a low-quality cable, it will definitely not be used. Generally, it is a very high-quality cable. This type of cable will have very strict technical standards during production. The produced wires can be recycled whether they are internal conductive materials or external insulating materials. Moreover, such cables are generally recycled in large quantities at one time.
With the rapid development of the electric power communication industry, the society's demand for wires and cables is increasing, and the waste of wires and cables is also increasing day by day. The society urgently needs a reasonable method to deal with this kind of waste. A new technology for the separation, recycling and recycling of waste wires and cables has established a new technology for recycling waste wires and cables with the characteristics of simple operation, low energy consumption and no secondary pollution. This technology is mainly suitable for wire and cable materials with a diameter of less than 5mm that are difficult to handle by general mechanical methods, but it can also be used for general waste wire and cable.
The treatment results show that: metal and plastic are completely separated; metal can be recycled, and the recycled plastic can be granulated as raw material after modification, and can also be recycled; the three wastes are basically not discharged during the treatment process. This scheme can achieve a small cost to properly dispose of waste wires and cables, so that the disposal of such solid waste can achieve resourceful and harmless recycling.
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