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vibrating grizzly feeders | mclanahan

vibrating grizzly feeders | mclanahan

Vibrating Grizzly Feeders are engineered to combine the functions of feeding and scalping into one unit, reducing the cost of having two separate units. Vibrating Grizzly Feeders are mainly used in a primary applications feeding a primary crusher. The Vibrating Grizzly Feeder provides a continuous feed rate under a variety of loading and material conditions. Vibrating Grizzly Feeders are designed to take heavy shock loads from trucks, shovels and loaders. This type of feeder can be used in quarries, recycling, industrial processing, mining, and sand and gravel operations, as well as in a wide range of processing industries.

The McLanahan Vibrating Grizzly Feeder has a history of reliability and durability. McLanahan offers feeders in five different widths to match up to the crusher opening width. For example, McLanahan designs feeders with shallower sides for use in portable plants where over plant height is limited. We also design feeders with deeper sides for stationary applications where large haul trucks are dominantly used. Unlike many manufacturers of Vibrating Grizzly Feeders, McLanahan is enthusiastic to work with customers on applications that require special features not offered by our competitors.

The Vibrating Grizzly Feeder consists of a pan section at the feed end to receive and start segregating the material. The discharge end consists of a grizzly section with openings that allow the undersized material to pass before discharging into the crusher. The feeder is mounted on springs and vibrated via a mechanism located underneath the feeder pan, protecting it from misfed material that fails to reach the feed hopper. The vibration force is angled to the feeder, pointing toward the discharge end. This action of the vibrator forces the material toward the discharge end while segregating the material, causing the finer particles to move toward the bottom of the load.

As the material travels to the grizzly section, the finer material settles to the bottom and passes through the openings in the grizzly. This bypassed material decreases the amount of material going into the crusher, reducing the size of the crusher required as well as the wear inside the crusher. The bypassed material can be combined with the material going through the crusher on the under conveyor. This prescreened material protects the under conveyor from the impact of the material exiting the crusher. The prescreened material can be segregated as a product, or it can be discarded if the fines in the material are a contaminate.

The main purpose of a Vibrating Grizzly Feeder is to feed a primary crusher in a primary application. Vibrating Grizzly Feeders reduce the amount of material going into the crusher by scalping out the product size ahead of the crusher. This reduces the size of the primary crusher required.

Vibrating Grizzly Feeders can be used in rip-rap plant applications to sort ROM material for use on dams, water control and decorative stone applications; for sorting gravel in dredge applications for sized decorative landscaping applications; to scalp roots out of dirt and other materials to improve the product value for a customer; or to spread material from a conveyor to a wider secondary crusher, such as a Roll Crusher, where no grizzly section is required.

Feeders are an important part of any processing circuit. They meter and convey material at a controlled rate into a crusher, sizer, scalper, conveyor or other feeder. They must be correctly sized to achieve maximum throughput and optimum uptime. Download this guide for tips on how to size and select a Feeder for your application.

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