Auxiliary Equipment

Apron Feeder

CAPACITY

200-800t/h

FEED SIZE

≤500mm

Application areas：Plate feeders are widely used in the feeding and transportation links of mining, building materials, sand and gravel yards, mineral processing and other fields.

Applicable materials：Plate feeders is suitable for feeding and short-distance transportation of various coarsely crushed materials such as limestone, iron ore, copper ore, and granite.

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Technical Parameters

Model	Chain plate width (mm)	Chain plate length (mm)	Max feed size (mm)	Motor power (kw)	Capacity (tph)
BLG-0840	800	4000	≤500	7.5	200-250
BLG-1040	1000	4000	≤500	11	250-350
BLG-1240	1200	4000	≤500	15	400-500
BLG-1540	1500	4000	≤500	18.5	600-800

Frequently Asked Questions

An apron feeder is a heavy-duty material handling device that uses overlapping steel pans (aprons) mounted on two parallel chains to convey bulk materials from a hopper or bin to a crusher or processing unit at a controlled rate. Its main advantages are: exceptional durability for handling large, sharp, and highly abrasive materials; the ability to handle very heavy surges from direct dumping by excavators or trucks; accurate feed rate control; and reliable operation in harsh outdoor mining environments.

Apron feeders are the preferred choice when:1.Material lump size exceeds 1,000–1,500mm (such as run-of-mine ore directly from blasting).2.Material is very sharp, angular, or highly abrasive (e.g., hard granite, magnetite, or basalt).3.Feed must withstand direct truck or front-loader dumping impact.4.Precise, low-speed, controlled feeding is required for downstream gyratory or jaw crushers in large primary crushing stations.5.Wet, sticky, or clayey materials that would cause vibrating feeder troughs to clog.

The feed rate is controlled by adjusting the chain travel speed via a variable speed drive (VSD) on the drive motor. The feed rate (t/h) is a product of the pan width, material layer depth (controlled by the skirt board height), and chain speed. For precise metering, the apron feeder can be integrated with a weightometer and PLC system to maintain a target tonnage automatically.

Apron pans are fabricated from heavy-gauge manganese steel or wear-resistant alloy plate. Under typical primary crushing conditions (hard rock, large lump size), pan service life ranges from 3 to 8 years depending on abrasiveness and operational intensity. Drive chains are the most maintenance-intensive component and should be inspected for elongation every 500 hours; replacement is typically required every 2–5 years. Xingaonai provides full sets of replacement pans and chains with guaranteed dimensional compatibility.

Apron feeders are large, heavy machines — typical installations require a reinforced concrete pit or elevated steel structure to accommodate the inclined or horizontal pan conveyor beneath the feed hopper. The structure must be designed to handle both the static weight of the feeder plus material load and the dynamic impact forces from material dumping. Xingaonai provides detailed foundation load drawings, anchor bolt layouts, and installation guidance as part of the equipment delivery package.