The granulator is a key piece of equipment in a bio-organic fertilizer production line. Choosing the right one improves product quality while cutting energy use and running costs.
1.Based on Raw Material Properties
Disc Granulator: Best for sticky organic materials. High yield, uniform granules, but strict water content needed (30%-40%).
Rotary Drum Granulator: Good for large-scale production, handles wetter materials, but higher equipment cost.
Double Roller Press Granulator: Works well with high-fiber materials (like straw, mushroom residue). No drying needed, but granules are less hard.
2.Consider Production Scale
Small Lines: Small disc granulators are affordable and easy to operate.
Medium Lines: Rotary drum granulators are more efficient.
Large Lines: Use smart rotary drum systems with automated batching and drying for higher output and stability.
3.Energy Use and Maintenance Costs
Disc Granulator: Uses less energy, but wears down – needs regular replacing of scrapers and liners.
Double Roller Press Granulator: Uses more electricity, but maintenance is simple. Good for small or medium producers.
Rotary Drum Granulator: Runs steadily, but initial investment is high. Best for large-scale, long-term production.
4.Granule Shape
Round Granules (Disc/Rotary Drum): Preferred for the premium organic fertilizer market; better appearance.
Cylindrical Granules (Extrusion): Used for standard organic fertilizer; lower cost.
Choosing the right fertilizer granulator means balancing your raw materials, production needs, energy costs, and market goals. Matching the right equipment boosts efficiency, lowers costs, and makes high-quality bio-organic fertilizer.