Industry Info

How does the disc granulator process raw materials into organic fertilizer

2025/04/23
 

On the stage of fertilizer production, the disc granulator is like a delicate "painter", processing various fertilizer raw materials into uniform and plump fertilizer particles in a unique way, painting a picture of harvest for agricultural production.

The journey of fertilizer processing begins with the preparation of raw materials. The staff will accurately weigh the main raw materials such as nitrogen, phosphorus, potassium, and various additives based on the fertilizer formula, and then put them into the mixing equipment for thorough mixing to ensure uniform distribution of ingredients. This is like a chef carefully blending ingredients to lay the foundation for making delicious dishes. At this time, the mixed raw materials are in powder or small particles, waiting for the disc granulator to give them a new form.

The main body of the disc granulator is a tilted circular plate made of sturdy steel, resembling a huge "color palette". The large plate rotates uniformly under the drive of the power device. The mixed raw materials slowly fall into the rotating disc from the feeding port, which is the beginning of "painting".

As the disc rotates, the raw material rolls upwards along the inner wall of the disc under the combined action of centrifugal force, frictional force, and gravity. During this process, the key "pigment" - binder - appears. Through a specialized spraying system, the adhesive is evenly sprayed onto the rolling material. Adhesive is like a magical glue, allowing originally loose raw material particles to gradually adhere together and embark on a journey of aggregation and growth.

During the continuous rotation of the disk, particles constantly roll and collide. Smaller particles combine with each other and become larger and larger; Larger particles are further compacted during collisions, and their shapes become more regular. This process is like a painter carefully carving their works, every rolling is a shaping, and every collision is a perfection.

When the particles grow to the appropriate size, they roll down from the edge of the disc, completing the initial granulation. These newly "born" fertilizer particles still need to undergo further processing. They will be transported to drying equipment to remove excess moisture, enhance particle strength and stability; Then, through the screening device, particles that do not meet the particle size requirements are separated. Those that are too large are returned for re granulation, while those that are too small continue to participate in the agglomeration process.

After the fine processing of the disc granulator and a series of subsequent processes, the originally messy raw materials have become evenly sized, round and plump fertilizer particles. These particles carry the hope of a bountiful harvest and are transported to the fields, providing sufficient nutrients for crop growth and promoting the vigorous development of agriculture.

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