2025/11/14
The core of the granulation production line lies in its scientific formulation and meticulous processing. First, raw materials undergo rigorous screening and precise measurement to ensure accurate proportions of each nutrient. These materials are then thoroughly blended in a mixer, creating a homogeneous mixture. This step is critical, as it determines the nutrient consistency of the final product.
Next, the mixture is fed into a disc granulator, where it forms small pellets under controlled moisture and pressure. Modern granulation techniques include drum granulation and extrusion granulation, each producing pellets of specific sizes and hardness. The newly formed pellets then enter a drum fertilizer dryer to remove excess moisture and enhance their stability.
After drying, the pellets pass through a cooling system to reduce their temperature and are graded using multi-layer vibrating screens. Pellets that meet the specifications are retained, while those that are too small or too large are recycled for reprocessing. Finally, the qualified products enter a coating machine, where they are enveloped with anti-caking agents to maintain flowability during storage.
The entire production line is equipped with an advanced automated control system that monitors parameters such as temperature, humidity, and pressure in real time, ensuring consistent product quality. Additionally, dust collection devices effectively control environmental pollution during production, reflecting the eco-friendly principles of modern industry.
From raw materials to finished products, the NPK fertilizer granulation production line seamlessly integrates chemical principles with mechanical engineering, transforming basic nutrients into easy-to-use pellet fertilizers. This efficient conversion not only improves fertilizer utilization but also provides a solid foundation for global food security.