Electrical Cables Pyrolysis Machine

An electrical cable pyrolysis machine is an eco-friendly recycling device designed to process waste wires and cables. It decomposes the plastic or rubber insulation layers of the cables in a high-temperature, low-oxygen environment, thereby separating and recovering valuable metals such as copper and aluminum.

 

The core of the pyrolysis process occurs in a sealed, oxygen-free (or minimally oxygenated) environment. The workflow is as follows:
High-temperature heating: Waste cables are fed into the pyrolysis furnace and heated to temperatures between 500°C and 600°C.
Decomposition of organic matter: At high temperatures, organic components such as cable insulation (e.g., PVC, PE) undergo thermochemical decomposition, yielding combustible gases, a small amount of liquid tar, and solid carbon residue.
Metal recovery: Metals such as copper and aluminum remain unaffected; they retain their solid state and are recovered intact.
Product processing and utilization:
Metals: The recovered copper is of high purity, with a recovery rate reaching 99.5%.
Pyrolysis gas: Can serve as fuel to power the equipment itself.
Solid carbon residue: Can be further processed into carbon black for use as an industrial raw material.

End Products	Applications
Fuel oil	1. Sell directly 2. Reprocessed into diesel or gasoline by an oil distillation machine 3. Use as fuel directly
Carbon Black	1. Sell directly 2. Reprocessed into high-quality carbon by the carbon black grinding equipment 3. Make carbon brick by the briquetting equipment
Copper	1. Sell directly
Combustible Gas	Alternative fuel to heat the furnace

 

The electrical cable pyrolysis machine is primarily used in the resource recovery and environmental protection sectors, with its core function being the processing of waste cables that consist of metal cores and organic insulation layers. Specific applications include:
Various types of waste wires and cables: such as VVF power cables for construction, household appliance connection cords, automotive wiring harnesses, and communication cables.
Other copper-bearing organic waste materials: such as waste motor windings and enameled wire.

Compared to traditional incineration or chemical recycling, it offers significant advantages:

Environmentally friendly: The process takes place in a sealed, oxygen-free environment, drastically inhibiting the formation of highly toxic substances such as dioxins; exhaust gases are treated to meet emission standards.

High recovery rate and quality: The copper recovery rate reaches as high as 99.5%. Processing under an inert gas atmosphere effectively prevents oxidation, resulting in recovered copper of extremely high purity.

Low processing costs and high efficiency: Combustible gases generated during pyrolysis can be reused as an energy source, thereby reducing operating costs. Advanced technologies, such as microwave pyrolysis, enable the reaction to be completed rapidly-within just 12 minutes.

1. What is the difference between pyrolysis and incineration?
Incineration involves complete combustion in the presence of oxygen, generating significant amounts of polluting gases. Pyrolysis involves thermal decomposition in the absence of oxygen, which effectively controls pollution and allows for greater resource recovery.
2. Does the pyrolysis process generate highly toxic substances?
Operating in an oxygen-free environment at appropriate temperatures significantly inhibits the formation of highly toxic substances such as dioxins and furans. Exhaust gases are purified by downstream treatment systems to meet emission standards.
3. Are all waste cables suitable for direct pyrolysis?
Most cables with organic insulation layers are suitable. New technologies may even eliminate the need for pre-shredding. However, for cables containing special flame retardants or heavy metals, process parameters may need adjustment.
4. What is the primary energy consumption of the pyrolysis equipment?
Energy is primarily consumed as electricity or fuel during the heating phase. However, system designs typically recover combustible gases generated during pyrolysis to serve as a heat source, thereby significantly reducing overall energy consumption.
5. What is the processing capacity of the equipment?
Processing capacity varies depending on the equipment scale and design, ranging from laboratory-scale to industrial-scale operations. For instance, pilot-scale processing has been successfully demonstrated with 100 kg samples.
6. What are the investment costs and the payback period?
These depend on equipment scale, technology, and local market conditions. However, given the high recovery value of copper, economic analyses indicate a substantial internal rate of return. A detailed commercial feasibility study is required for specific projects.

 

 

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