rare earth grate magnets
Grate magnets are specialized magnetic separators that remove ferrous metal contaminants from dry, free-flowing product streams. They are used in various industries, including food processing, pharmaceuticals, and plastics, to ensure product purity and protect equipment from damage caused by metal debris.
Key Characteristics
- Construction: Grate magnets consist of a series of magnetic tubes arranged in a frame. These tubes have neodymium iron boron magnets built into them, and the frame is constructed from stainless steel for durability and sanitation. The standard tube diameter is 1 inch, with spacing set at 2 inches apart.
Shapes and Sizes: Depending on the number of magnetic tubes, they come in various shapes, including round, square, and rectangular configurations. They range from 4 inches to 20 inches in length.
Customizable: There are many customization options for rare earth magnetic grids, whether it is the appearance, the Gauss value of the magnetic tube, the number of magnetic tubes, the material of the magnetic tube shell, or the added accessories.
Square grating specifications
Circular magnetic grating specifications
- Functionality: As the product passes through the magnetic tube, ferrous contaminants are attracted to the tube and retained there, preventing them from re-entering the product flow. This design minimizes the risk of metal contamination in the final product.
- Cleaning: Cleaning grate magnets is straightforward; they can be removed easily for maintenance. The magnetic tubes can be wiped clean to remove accumulated metal debris.
Considerations for Installation
Flow Area: It is important to size the grate magnet appropriately to avoid impeding the flow of the product. The installation should ensure that the cross-sectional area of the grate is at least twice that of the incoming spout opening to maintain efficient flow rates.
Cleaning Access: The chosen installation location should allow for easy removal and cleaning of the grate magnet to maintain optimal performance and hygiene standards.
Applications
Grate magnets are particularly effective in environments where products are dry and free-flowing. They are commonly used in:
- Hoppers
- Chutes
- Bins
- Conveyors
- Belt Conveyors
- Floor Openings
- Receiving Pits
These devices are essential for maintaining quality control by ensuring that metal contaminants do not compromise the integrity of the products being processed.
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