Technocrat Industrial Solutions Private Limited

Rai, Sonipat, Haryana

An Electrostatic Separator is a device used to separate particles based on their electrical charges. It leverages the principle that particles with different electrical properties (like conductivity or charge) respond differently when exposed to an electric field.

Working Principle : Particles are first charged (positively or negatively) and then passed through an electric field. The field exerts a force on the charged particles, causing them to move in different trajectories depending on their charge.

Applications :

• Mineral Processing: Separating valuable minerals from waste materials.
• Recycling: Sorting mixed waste streams, such as separating metals from plastics.
• Pollution Control: Removing particles from industrial emissions.

Types :

• High Tension Roll Separators: Used for fine particle separation.
• Plate Separators: Suitable for larger particles.

Advantages :

• Efficient at separating fine particles.
• Environmentally friendly, as it doesn’t require water or chemicals.

Limitations :

• Not effective for all materials, especially those with similar electrical properties.
• Requires precise control of operating conditions for optimal performance.

Electrostatic separators are valuable tools in industries where material separation is crucial, offering a clean and efficient method of sorting.

Eddy Current Separators (ECS) are machines used in the recycling industry to separate non-ferrous metals (like aluminum, copper, and brass) from other materials. They operate based on the principle of electromagnetic induction.
Here's a brief overview:

• Working Principle: When a conductive material passes through a changing magnetic field, it induces currents (called eddy currents) within the material. These eddy currents create their own magnetic fields, which oppose the original magnetic field. This interaction causes the non-ferrous metals to be repelled or deflected from their original path.
• Components: An ECS typically consists of a conveyor belt, a high-speed rotating magnetic drum, and sometimes additional equipment like vibratory feeders. The magnetic drum creates the magnetic field needed to induce eddy currents in the non-ferrous metals.
• Process: Materials are fed onto the conveyor belt, which transports them towards the rotating magnetic drum. Ferrous metals are removed using magnetic separators before reaching the ECS. Non-ferrous metals are then repelled from the belt due to the eddy currents, separating them from non-metallic materials, which fall off the end of the conveyor.
• Applications: Eddy Current Separators are widely used in recycling plants for sorting and recovering valuable non-ferrous metals from waste streams, such as aluminum from plastic or glass, copper from shredded cars, or mixed municipal solid waste.
• Advantages: They are efficient, can process large volumes of material, and significantly reduce the need for manual sorting, leading to higher purity levels of recovered materials.

In summary, Eddy Current Separators play a crucial role in modern recycling, helping to recover valuable metals and reduce waste.