Drag conveyors, also called: drag chain conveyors, scraper chain conveyors and en-masse conveyors are used to move solid material along a trough. The difference between drag conveyors, scraper conveyors, and flight conveyors largely depends on whether the chain links have flights or paddles attached.
Drag conveyors use an endless chain to propel material through a trough, either pushed directly by the chain or by attachments to the chain. The chain runs over sprockets at either end of the trough.
Drag conveyors can run at up to 50 ft/min with a capacity of 10 cubic feet/min at lengths up to 400 feet. They are often used as feeders for other machines.
Drag conveyors can fracture materials and are used in non-sanitary, non-abrasive applications. Typical materials include: grain, pebbles, cement, clinker, ash, sawdust, and chemicals.
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