In compound fertilizer production, the granulator is the core equipment of an NPK fertilizer production line. It directly affects pellet quality, production efficiency, and product competitiveness. With the advancement of agricultural modernization, the market demands higher standards for NPK fertilizer granulation.

1.Strong Raw Material Adaptability

A quality NPK fertilizer granulator must handle various raw material ratios.It needs to work with mixes having different proportions of Nitrogen (N), Phosphorus (P), and Potassium (K).It should be able to process functional formulas that include added trace elements.It must handle raw materials with high moisture or high viscosity.

2.High Granulation Rate and Uniform Particles

A professional NPK granulator should achieve a granulation rate above 90%, minimizing recycled material.Particle size must be uniform, with over 85% of pellets sized between 2-4mm.Pellets should be well-rounded with a smooth surface finish. 

3.Excellent Energy Efficiency and Environmental Performance

Modern NPK granulators need energy consumption per unit at least 20% below industry standards.They must include dust recovery systems, keeping dust emissions ≤30mg/m³.Noise levels should be controlled below 85 decibels.

4.Durable and Easy to Maintain

A quality granulator's design should use wear-resistant alloy materials for key parts, ensuring a lifespan of over 5 years.Modular design allows for quick replacement of wear parts.Multiple access points provide ample space for maintenance.The lubrication system should be highly automated.

Granulator Selection Advice

Small lines (1-5 tons/hour): Disc Granulators are suitable.Medium lines (5-15 tons/hour): Rotary Drum Granulators are recommended.Large lines (15+ tons/hour): Prilling tower systems should be considered.

Selecting an NPK fertilizer granulator that meets these requirements will significantly boost production efficiency and product quality.