Internal lifters (also called flights) are angled plates inside rotary granulation drums that lift and cascade material for uniform coating and granule formation.
Internal lifters, commonly referred to as flights, are critical components installed along the inner wall of rotary granulation drums. These strategically angled plates lift bulk materials (powders, seeds, or nuclei) as the drum rotates, creating a cascading curtain that ensures even distribution of binding agents, coatings, or active ingredients. They optimize particle movement, enhance mixing efficiency, and promote uniform granule growth through controlled tumbling and attrition.
诱因 → 失效模式 → 工程缓解
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Steeper angles (e.g., 60°) create higher cascades for intense mixing, while shallower angles (e.g., 30°) promote gentle rolling, ideal for fragile granules or coating processes.
Yes, bolted designs allow replacement through drum access doors; welded versions require internal welding or full drum entry.
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