Granulation equipment is a key component of material granulation in industrial production. It transforms dispersed raw materials into granules of a specific size and strength through physical or chemical reactions. This not only facilitates material storage, transportation, and metering, but also improves subsequent processing efficiency and product quality. It is widely used in fertilizers, metallurgy, building materials, and other fields. For example, granulating fertilizer raw materials reduces nutrient loss and improves fertilization uniformity. In mineral processing, granulation optimizes the material's smelting properties. Its core function is to precisely control the granulation process to meet the specific material form requirements of various industries, making it a crucial link between raw material processing and finished product production.
Among granulation equipment types, drum granulators and pan granulators are two common types. Drum granulators utilize an inclined, rotating drum to continuously tumble the material within the drum due to gravity and friction. Combined with a sprayed binder, the drum granulator achieves agglomeration and granulation. It is suitable for large-scale production and is particularly effective in the production of compound fertilizers, organic fertilizers, and other fertilizers. It features high throughput and high granule strength. The disc granulator rotates an inclined disc and uses the synergistic effect of centrifugal force, gravity and friction to form particles at the edge of the disc, making it easy to observe the granulation process. The particles have good sphericity and are often used in laboratory tests or small and medium-sized production. They are more common in particle preparation in the fields of ceramics, catalysts, etc.
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