Full definition
An apron feeder is a type of conveyor system specifically designed for the transportation of heavy, abrasive, and coarse materials in mining and heavy industrial applications. It consists of overlapping steel plates that create a continuous belt-like surface, which is supported by a series of chains beneath. This design is particularly effective in handling large lump sizes, with the capability of managing materials up to 1,500 mm in diameter. The robust construction of apron feeders allows them to endure high-impact live loads, often in excess of tens of tonnes, making them suitable for primary hoppers feeding crushers in harsh mining environments.
The operational speed of apron feeders typically ranges from 0.01 m/s to 0.6 m/s, depending on the material being handled and the specific requirements of the application. The incline of the feeder can reach up to 30°, allowing for efficient elevation of materials from lower to higher levels. This incline capability is crucial in mining operations where space constraints may require the system to transport material vertically or at an angle.
Maintenance of apron feeders is generally low due to their robust design, which minimizes wear and tear. However, regular inspections and servicing are necessary to ensure the chains, plates, and drive mechanisms are functioning optimally. The use of high-quality materials in the construction of these feeders, such as hardened steel, contributes to their durability and reliability in demanding environments. Apron feeders are commonly used in various mining applications, including coal, iron ore, and other mineral processing operations, where efficient material handling is essential for maintaining productivity and minimizing downtime.