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How choosing the right equipment can save uptime

By |  January 12, 2022
Suspended electromagnets like this one provide completely automatic iron removal. Photo: Eriez

Suspended electromagnets like this one provide completely automatic iron removal. Photo: Eriez

The aggregate industry is poised for growth when the new infrastructure bill takes effect.

To meet the anticipated surge in demand from construction customers and roadbuilders, aggregate producers must streamline their operations. Removing unwanted tramp metal from processes to prevent expensive equipment damage and quickly moving finished materials are crucial to efficiency.

To maintain maximum productivity and improve profits, aggregate producers must employ vibratory feeders, conveyors, screeners, magnetic separators and metal detectors.

Magnetic separators & metal detectors

Large pieces of tramp metal can become embedded in material when mining material such as limestone.

When material tainted with tramp metal passes and flows through crushing machines, it can cause them to fail. The downtime to repair a crusher and replace parts is not only expensive, but it significantly delays fulfilling customer orders and ultimately jeopardizes business.

Metal detection and magnetic separation units effectively detect and remove damage-causing tramp metal from thick, solid flows, including limestone, sand and gravel. Even when ferrous or nonferrous material is contained in a heavy burden depth, equipment works in conjunction to detect and remove hazardous material.

These rugged and adaptable units can be used on almost any type of conveyor or chute. Metal detectors and magnetic separators are practical for separation applications involving wet or dry, fine or coarse, and large or small tonnages.

Metal detectors and magnetic separators can be mounted or suspended. A suspended unit removes large pieces of tramp metal from a conveyor belt or eliminates sharp metals that can damage or tear expensive conveyor belts, especially at transfer points. A mounted unit, such as a magnetic pulley, can transform a traditional aggregate belt conveyor into a powerful, self-cleaning magnetic separator.

Conveyors & feeders

Moving processed aggregate materials safely and efficiently from facilities and onto trucks and railcars for delivery can be a challenge.

Mechanical conveyors and feeders offer a sound solution. These high-capacity units provide controlled transfer of bulk materials. Mechanical feeders can move material that is essentially non-measurable onto a series of conveyor belts with a flow rate of 50 fpm at 900 rpm.


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