Rotary drum granulator: converts powdered materials into uniform granules.

Working Principle and Basic Structure The core of a rotary drum granulator is an inclined rotating cylinder. When mixed materials enter the cylinder, driven by an electric motor, the cylinder rotates uniformly at 5-20 rpm. Under the combined action of gravity, friction, and centrifugal force, materials continuously tumble and collide within the cylinder. Simultaneously, a spray device applies appropriate amounts of water or binder to the materials, moistening particle surfaces and causing them to adhere together, gradually aggregating into granules with certain strength and size. This wet granulation method is particularly suitable for processing various materials, capable of producing high-quality granules with good sphericity and moderate strength. The rotary drum granulator not only features simple structure and easy operation but also possesses strong production capacity and wide material adaptability, making it the preferred granulation equipment in multiple industries such as fertilizers and chemicals. Wide Application Across Multiple Fields The application scope of rotary drum granulators is extremely broad. In the fertilizer field, it can produce various compound fertilizers, organic fertilizers, and inorganic fertilizers, mixing basic fertilizers such as nitrogen, phosphorus, and potassium in certain proportions to produce fertilizer products meeting different crop and soil needs. In the chemical industry, this equipment can be used for granulating chemical raw materials like catalysts, pigments, and detergents, improving product fluidity, stability, and performance. Additionally, in metallurgical and building materials industries, rotary drum granulators also play important roles, usable for granulating metal ore powders and cement raw materials to improve material properties and enhance product quality and production efficiency.

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