Ⅰ. Introduction
In the field of scrap recycling, sorting is a crucial link，which can effectively separate valuable materials from various scraps. As an efficient and environmentally friendly sorting technology, electrostatic separators can achieve high separation rates, thereby improving the purity of recycled materials. This makes electrostatic separators gradually become a reliable partner for the recycling industry to improve sorting rates. This article will introduce the working principle, characteristics and applications of electrostatic separators in detail.
Ⅱ. Get to know electrostatic separator
First of all, I will introduce some basic information to you, mainly including the definition, working principle and features of electrostatic separator.
1. What is an electrostatic separator?
An electrostatic separator is a device that uses electrostatic charge to separate small crushed material particles, can separate copper granules from the plastic granules with high working efficiency in scrap copper recycling fields, always assemble with a cable wire recycling machine.
Other application:
Electrostatic separator also widely used in plastic fields and aluminum plastic medical box packaging.
2. Working principle
The electrostatic separator separates copper and plastic based on different electrostatic properties of copper and plastic.
The basic principle of an electrostatic separator is to use the electric field force on charged particles in an electric field to separate them according to their charge properties and masses. When materials pass through an electrostatic separator, the charged particles are affected by the electric field and move in different directions under the action of the electric field force, achieving separation.
3. Advantages of electrostatic separator
Electrostatic separators are mainly used for separating metal and non-metal powders with good separation effect. Its main advantages are as follows:
⭐ High separation rate
- Electrostatic separation technology in the cable recycling industry is designed to efficiently recover copper from mixed copper-plastic materials. It ensures 100% copper separation at the same time you can also get 100% pure plastic, ready for reuse in downstream applications.
⭐ Wide range of application
- The application range of electrostatic separator is very wide. It can not only be used for the treatment of various scrap materials, but also for the separation and screening of ore, coal, food and other industries. The diversity and flexibility of this equipment make it an indispensable tool in many industries.
⭐ High degree of automation
- The electrostatic separator has a high degree of automation and can automatically convey to achieve efficient separation and recycling of metals and plastics. This highly automated feature not only improves work efficiency, but also reduces labor costs.
⭐ Environmental protection
- The electrostatic separator will not produce secondary pollution during operation, and then separated substances will not change and can maintain their original properties. This makes the electrostatic separator not only highly efficient in the treatment of solid waste, ore, coal, food and other industries, but also able to keep the environment clean and safe.
Ⅲ. Types of electrostatic separator
After learning about basic knowledge about electrostatic separator, I will introduce types of electrostatic separator in our company. In the BSGH Granulator, we usually configure electrostatic separators for copper granulator machines and scrap motor recycling production lines to improve the separation rate.
1. For copper granulator machine
We have three types of electrostatic separators specifically designed for D series copper granulator machines, including 1000 model, 1380 model, and 1800 model.
- Power: 2.2KW
- Weight: 1000KG
- Capacity: 400-600 KG/H
- Size:1830x1250x250MM
- Power: 2.2KW
- Weight: 1200KG
- Capacity: 600-800 KG/H
- Size: 2070x1250x2500MM
- Power: 2.2KW
- Weight: 1500KG
- Capacity: 800-1000 KG/H
- Size: 2600x1250x2500MM
We also have two types of electrostatic separators specifically designed for N series copper granulator machines, namely small electrostatic separator and big electrostatic separator. They are similar in appearance, but differ in machine size and processing capacitt.
- small electrostatic separator
- Roller Length: 1000MM
- Power: 8KW
- Capacity: 100-150 KG/H
- Size: 1750*1380*350
- Big electrostatic separator
- Roller Length: 1800MM
- Power: 8KW
- Capacity: 200-300 KG/H
- Size: 2650*1380*350
2. For scrap motor recycling production line
The stator of the motor may contain plastic. Considering the final separation effect and product quality, an electrostatic separator is sometimes added to the scrap motor recycling line to increase the recovery rate of copper in the stator.
Ⅳ. The importance of electrostatic separator in copper recovery
So, why the electrostatic separator is important for copper recovery? Next, I will explain for you. Electrostatic separators play a very important role in the field of copper recovery, which is mainly reflected in the following aspects:
⭐ Improve the recovery rate
The electrostatic separator can effectively separate copper from various wastes, improve the copper recovery rate, and reduce resource waste.
⭐ Reduce costs
Compared with traditional copper recovery methods, electrostatic separators can reduce energy consumption and chemical use during the handling process, thereby reducing overall operating costs.
⭐ Improve purity
Electrostatic separators can accurately separate copper and other impurities, improve the purity of recycled copper, and meet the needs of different industrial applications.
⭐ Reduce environmental pollution
Through electrostatic separation technology, the environmental pollution caused by traditional physical or chemical methods of treating copper waste can be reduced.
⭐ Improve economic benefits
Electrostatic separators help improve the economic benefits of enterprises by increasing the recovery rate of copper, which is conducive to further expansion of enterprises.
⭐ Technological progress
With the continuous advancement of technology, the performance of electrostatic separators is also constantly improving, which can better meet the needs of copper recycling.
Ⅴ. Maintenance of electrostatic separator
In order to ensure the efficient operation and extend the service life of the electrostatic separator, regular maintenance and care are essential. Here are some suggestions on the maintenance of the electrostatic separator:
1. Cleaning And Inspection
⭐ Regularly Cleaning
Surface cleaning
- Use a dry soft cloth to remove dust and debris from the surface of the device to ensure the normal operation of the machine.
Internal cleaning
- Open the device regularly to remove dust and accumulation inside, especially in the electrode and separation areas, pls make sure the electrostatic roller and wire is clean in order to get the best separtion performance.
⭐ Regular inspection
Check fasteners
- Make sure all fasteners(such as screws, bolts) are secure and no loose.
Check the electrical system
- Regularly check the electrical system, including wires, switches, insulation materials, etc., to ensure there are no safety hazards such as cracks, wear, damage, etc; also make sure the power cable are connectly well.
Check electrostatic field
- Regularly check the strength and distribution of the electrostatic field to ensure separation effectiveness.
Check the grounding system
- Make sure the grounding system is in good condition to avoid static electricity accumulation to prevent electric shock and equipment damage.
Check safety devices
- Make sure all safety devices, such as emergency stop buttons, protective covers, etc., are in good working condition.
Check rotating parts
- Check the rotating parts to make sure they are not damaged or have excessive wear.
Check the control system
- Check the control system software and hardware to ensure they are working properly.
2. Lubrication
⭐ Regular lubrication
- Lubricate parts that require lubrication regularly according to the manufacturer’s recommendations.
⭐ Use the right lubricant
- Use the lubricant recommended by the manufacturer and avoid using incompatible lubricants.
3. Performance Test
⭐ Regular testing
- Perform performance tests regularly to ensure that the equipment separation efficiency meets expectations.
⭐ Record data
- Record test results to track performance changes of the equipment.
⭐ Regular calibration
- Calibrate the equipment regularly to ensure separation accuracy.
4. Safety Measures
⭐ Comply with operating procedures
- Ensure that all operators understand and comply with operating procedures.
⭐ Avoid overloading
- Do not overload the equipment for a long time to avoid damaging the equipment.
⭐ Use protective gear
- Use appropriate protective gear such as safety glasses, gloves, etc. when performing maintenance and cleaning.
⭐ Storage
- When not in use, store the device in a dry, clean environment away from direct sunlight.
⭐ Record maintenance logs
- Create equipment maintenance logs to record the time, content, and results of each maintenance to facilitate tracking of equipment maintenance history.
Ⅴ. Other Applications
In addition to being used in the field of copper recovery, electrostatic separators can also be used in many other fields. Here are a few examples:
⭐ Recycling of scrap resources
- Electrostatic separators are used to separate plastics, metals, electronic waste, etc., to improve resource recycling rates. For example, it can be used for aluminum-plastic separation (such as aluminum-plastic panels, aluminum-plastic tubes, etc.), recycling of metals in scrap circuit boards, etc.
⭐ Mineral separation
- Electrostatic separators are also used to separate ores of different grades to improve the efficiency and quality of mineral separation. For example, it can be used for rock and mineral analysis and identification, and to separate minerals based on the differences in the conductivity of the minerals and the differences in the electrostatic forces acting on the minerals when passing through the electric field.
⭐ Agriculture field
- The application of electrostatic separators in agriculture is mainly to separate agricultural products such as seeds and grains. Electrostatic separators can control the movement trajectory of materials by adjusting the high-voltage electric field, separate deformed or defective seeds and grains, and retain high-quality seeds and grains. Electrostatic separators have fast sorting speed and good sorting effect, which can improve the quality and yield of seeds and grains and improve economic benefits.
⭐ Coal industry
- Electrostatic separators can separate impurities such as gangue and sand from coal, improve the quality of coal, and reduce its ash and sulfur content.
Ⅵ. Conclusion
Electrostatic separators have become a highly efficient and widely adopted technology across various industries, including copper and plastic recycling. As technological advancements and innovations continue, the performance of electrostatic separators will improve, offering even more reliable support for enhancing copper separation rates. If you’re involved in these industries, you can confidently choose electrostatic separators to maximize efficiency and material recovery.
