Highly Effective Rotary Grate Magnets for Industrial Applications.

What are Grate Magnets?

Grate magnets are a type of magnetic separator used in industrial applications to remove ferrous contaminants from dry, free-flowing powders and granular materials. They are designed to capture and remove metal particles such as iron and steel from products during the manufacturing process, helping to ensure product purity and quality. Grate magnets are commonly used in industries such as food and beverage, pharmaceuticals, chemicals, plastics, and recycling.

Grate magnets typically consist of a series of magnetic tubes or bars arranged in a grid or matrix pattern within a housing or frame. The magnetic tubes are made of high-strength rare earth magnets, such as neodymium or samarium cobalt, and are designed to attract and hold ferrous particles as the material flows through the grate. The housing or frame is usually made of stainless steel or another non-magnetic material to prevent interference with the magnetic field.

Introduction to Rotary Grate Magnets: 

Rotary grate magnets are a highly effective type of grate magnet that offer several advantages over traditional stationary grate magnets. Unlike stationary grate magnets, which rely on the material passing over the magnetic tubes to capture contaminants, rotary grate magnets use a rotating assembly to continuously expose fresh magnetic tubes to the material flow. This results in a more thorough and efficient removal of ferrous particles, even in high-volume applications.

In addition, rotary grate magnets offer a compact, space-saving design that can be easily integrated into existing production lines. They are available in a range of sizes and configurations to accommodate different flow rates and material types. Some models also feature automatic cleaning systems, such as pneumatic or mechanical knock-off systems, to remove captured contaminants from the magnetic tubes and prevent buildup.

Rotary grate magnets are ideal for applications where the material flow rate is high and consistent, such as in granulators, shredders, and other processing equipment. They can effectively remove ferrous contaminants from materials such as powders, grains, plastics, and chemicals, helping to ensure product purity and safety.

Working of Rotary Grate Magnets: 

The working of rotary grate magnets is based on the same principle as stationary grate magnets - the use of magnetic tubes or bars to attract and hold ferrous particles as they pass through the grate. However, the rotating assembly of the rotary grate magnet allows for more efficient and thorough removal of contaminants.

The material to be purified is fed into the hopper or inlet of the rotary grate magnet, where it passes through the rotating assembly and over the magnetic tubes. The magnetic tubes attract and hold any ferrous particles in the material, while the non-magnetic material continues to flow through the grate and out of the outlet.

As the magnetic tubes rotate out of the material flow, they move into a cleaning zone where any captured contaminants are removed. This can be done manually or automatically using a knock-off system that dislodges the particles from the magnetic tubes and allows them to fall into a collection bin or conveyor for disposal.

The cleaned magnetic tubes then rotate back into the material flow, where they can capture more contaminants. This continuous rotation and cleaning process ensures that the rotary grate magnet is always working at maximum efficiency and removing the highest possible amount of ferrous particles from the material.

Construction of Rotary Grate Magnets: 

The construction of Rotary Grate Magnets involves a housing that encloses a series of magnetic tubes or rods. These tubes or rods are made of high-strength rare earth magnets, which generate a powerful magnetic field. The housing is typically made of stainless steel or other non-magnetic materials to prevent interference with the magnetic field.

The magnetic tubes or rods are arranged in a circular pattern and rotate slowly, allowing the material to pass over them. As the material passes over the magnetic tubes or rods, any ferrous contamination is attracted and held onto the magnetic surface. The ferrous contamination is removed from the surface of the magnetic tubes or rods when they exit the material flow, either manually or through a self-cleaning mechanism.

Applications of Rotary Grate Magnets: 

Rotary Grate Magnets are widely used in industrial applications where metal contamination is a problem. These magnets are designed to remove ferrous contamination from powders, granules, and bulk solids. Here are some of the applications of rotary grate magnets:

Food Processing Industry: 

The food processing industry is one of the biggest users of rotary grate magnets. These magnets are used to remove metal contamination from various food products, including grains, cereals, sugar, and spices.

Chemical Industry: 

The chemical industry uses rotary grate magnets to remove metal contamination from chemicals and other raw materials. These magnets are also used to protect processing equipment from damage due to metal contamination.

Pharmaceutical Industry: 

The pharmaceutical industry uses rotary grate magnets to remove metal contamination from drugs and other pharmaceutical products. These magnets help to maintain the purity of the final product.

Plastics Industry: 

The plastics industry uses rotary grate magnets to remove metal contamination from plastic pellets and other raw materials. These magnets help to ensure the quality of the final product.

Features of Rotary Grate Magnets: 

Rotary Grate Magnets are designed with features that make them highly effective in removing metal contamination. Here are some of the features of rotary grate magnets:

• Rotary Grate Magnets are designed with high magnetic strength to remove even the smallest ferrous particles from materials.
• Rotary Grate Magnets are designed for easy cleaning. The magnet is mounted on a hinge, which allows easy access to the grate for cleaning.
• Some rotary grate magnets are designed with a self-cleaning mechanism. The mechanism automatically removes metal contamination from the magnet, reducing downtime for cleaning.
• Rotary Grate Magnets are customizable to meet specific customer needs. They can be designed with different sizes, shapes, and magnetic strengths.

Conclusion:

Rotary Grate Magnets are an essential part of many industrial processes. Their high effectiveness in removing metal contamination makes them a preferred choice for many industries. Mag Spring has premium quality rotary grate magnets. You can contact us and buy from us.