Industries depend on conveyors and feeders to transfer material within processing plants. While conveyors maintain a constant speed to move material forward, they cannot regulate material flow. In contrast, feeders modulate the rate at which solids move from bins or hoppers to equipment in the processing plant, operating at variable speeds specified to certain application needs.

Feeders also play a crucial role in accurately dosing bulky materials and delivering a consistent flow of dry or moist rock or mineral fractions. This flexibility allows industries to adjust feed rates and operational speeds as required.

Feeders, available in diverse types, cater to a broad spectrum of materials across various industries. Certain feeders possess the ability to sift out undersized products before progression to the subsequent processing stage. Regardless of the feeder’s design, its fundamental objective remains consistent: making sure a continuous material flows from a bin or hopper at a regulated pace.

When choosing a feeder, users should assess their material’s properties, including flow characteristics, maximum particle size, and desired throughput. Factors such as feed rate, accuracy, and operational needs should also be taken into account. This thorough evaluation assures the selection of the most suitable feeder for their specific requirements.

McLanahan’s Feeding Solutions by Suprabakti

Suprabakti supports the feeding process by supplying McLanahan Feeding product solutions. Established in 1835, McLanahan offers solutions across various industries, aiming to improve efficiency, productivity, and profitability for producers.

Feeders such as apron feeders, drag & reclaim feeders, vibrating grizzly feeders and wobbler feeders help users in handling and conveying the flow of raw material according to their specified capacity. The main purpose of this feeder construction is to increase the overall throughput of the material handling circuit, thereby improving plant efficiency.

Apron Feeders

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Apron Feeders, built for materials like aggregates, minerals, and recyclables, handle both small and large capacities with ease. Their durable design withstands extreme impact loads, featuring cast manganese pans bolted to a dozer-style chain. This assembly, riding on carry rollers, makes sure of a steady material flow.

While requiring a higher initial investment, Apron Feeders offer substantial returns, particularly favored in the mining industry for their continuous operation and long maintenance intervals.

McLanahan’s Apron Feeders excel in managing wet, sticky, dry, or frozen ores, making them indispensable in mining and mineral processing, where they efficiently handle high material tonnages in challenging conditions.

Typical Applications
  • Primary Feeder

  • Primary Crusher Discharge Feeder

  • Stockpile Feeder

  • Rail Unloading Feeder

  • Storage Bin Feeder

Drag and Reclaim Feeders

Drag Feeders and Reclaim Feeders utilize chains with connecting flight bars to pull material along their path. McLanahan Drag and Reclaim Feeders streamline material handling by integrating with downstream conveyors and operating without an operator. 

Drag Feeders are well suited for moving free-flowing minerals, such as coal, lignite, salt, copper, and other minerals. On the other hand, Reclaim Feeders are typically used to convey material to or from crushers and can reclaim minerals from stockpiles, eliminating the need for hoppers.

Vibrating Grizzly Feeders

McLanahan Vibrating Grizzly Feeders serve dual purposes, acting as both feeders and scalpers, eliminating the need for separate units. Featuring a pan section at the feed end and a grizzly section at the discharge end, these feeders facilitate a continuous feed rate while allowing undersized material to bypass the crusher. By pre-sorting fines before reaching the crusher, Vibrating Grizzly Feeders reduce crusher capacity requirements and minimize wear and tear.

They are ideal for mobile, portable, and stationary use in various industries, including surface and underground operations. Designed for primary applications, these feeders reduce the load on primary crushers by bypassing material already at the desired size. They are built to endure heavy shocks from truck or shovel loading.

Wobbler Feeders

Wobbler Feeders provide controlled material feeding and fines scalping by utilizing rotating elliptical bars on the feeder deck. These bars cause material lumps to move up and down, scrubbing against each other to remove sticky substances like clay, allowing them to pass through the openings between the bars.

McLanahan Wobbler Feeders excels with wet, sticky materials or high-clay content, managing feed rates and separating fines efficiently in aggregate and mineral processing. Despite higher initial costs, they help preserve downstream equipment by scrubbing fines from sticky material.