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rotary drum granulator

Rotary Drum Granulator

Introduction of Rotary Drum Granulator

The Rotary Drum Granulator produced by ABC Machinery is used to shape raw materials into specified pellets.

Considered a vital machinery component in organic fertilizer production lines, the high-efficiency fertilizer pelletizer operates by introducing a controlled amount of steam and water vapor, ensuring even moisture distribution throughout the drying process within the drum.

In pelletization, chemical reactions occur. Fertilizer particles compress and roll, creating uniform 3-4mm pellets. With ongoing material addition and drum rotation, this process guarantees efficient large-scale production. The granulator’s adaptability enables customization for individual customer needs.

rotary drum granulator

Granulating Mechanism of Rotary Drum Granulator

rotary drum granulator
  1. Shell Assembly: Outer structure enclosing granulation process and internal components.
  2. Hold-Down Bolts: Secure and stabilize drum, ensuring steady granulation.
  3. Ring Gear: Engages with motor for controlled drum rotation, material movement.
  4. Rolling Belt: Transports raw materials, promotes even mixing and granulation.
  5. Inlet: Entry point for raw materials, enables controlled feeding.
  6. Rubber Liner: Protects drum’s inner surface, facilitates smooth material flow.
  7. Tug: Agitates materials, ensures even coating during granulation.
  8. Motor: Powers drum rotation for granulation process.
  9. Reducer: Controls rotation speed, optimizing granulation conditions.

Parameters of Rotary Drum Granulation Machine

Model Power (kW) Capacity (t/h) Diameter (mm) Length (m) Installation Angle
WFZG-1.2×6 7.5 1-3 1200 6 2-5
WFZG-1.5×6 11 3-5 1500 6
WFZG-1.8×6 15 5-8 1800 8
WFZG-2.0×9 22 8-12 2000 9
WFZG-2.2×10 37 12-15 2200 10

Working Principle of Rotary Drum Granulator

Utilizing high-speed rotary mechanical stirring force and resultant aerodynamic forces, it continuously processes fine powder through mixing, granulation, spheroidization, and densification within the machine. This comprehensive approach achieves effective granulation, resulting in spherical particles. The degree of sphericity is equal to or greater than 0.7, with a particle size typically ranging from 0.3 to 3 mm. Impressively, the granulation rate is ≥90%.

rotary drum granulator

The particle diameter can be adjusted based on the quantity of mixing material and spindle speed. Generally, lower material input and higher speeds yield smaller particles, while the opposite holds true as well.

The quality of the granules is enhanced by finer basic particles in the powder material, leading to higher sphericality and improved ball quality. The ball formation rate remains below 15%, and particle size uniformity can be tailored according to the specific requirements of users.

Feature of Rotary Drum Fertilizer Granulator

  1. High Granule Output: The granulation rate can reach an impressive 70%, making it well-suited for large-scale fertilizer production.
  2. Steam Heating: Introducing steam and vapors heats the raw materials, reducing moisture content in granulated materials and thereby enhancing drying process efficiency.
  3. Rubber Engineering Plastics Linings: The use of linings made from rubber engineering plastics effectively prevents adhesion between raw materials and the inner wall of the rotary drum.
  4. Anti-Corrosion Build: Crafted from anti-corrosive materials, ensuring a prolonged service life.
  5. Low Energy Usage: Offers substantial production capabilities with minimal energy consumption and simplified maintenance.
    Visible Operation: The granulation process is observable, enabling timely resolution of issues by workers.
granulator features

Rotary Drum Granulator For Sale

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