Customized NPK Compound Fertilizer Production Line Dry Roller Extrusion Granulator Included
Dry Roller Extrusion Granulator In NPK Compound Fertilizer Production Line
Introduction of NPK Fertilizer Production Line
NPK Compound fertilizer production line is widely applied to produce compound fertilizer with capacity ranging from 5,000-200,000 tons/year. It can granulate NPK, NP, ANP, DAP, MAP, CAN, SSP and other materials into compound fertilizer particles in one processing line.
Working Process of NPK Compound Fertilizer Making Production Line
The system adopts an extrusion sliding model design solution. Raw materials pass through double rollers, enter the scattering room, and emerge as granules. A customized sieve mounted at the bottom of the machine screens out qualified granules, while remaining materials return to the mixer for re-granulation.
Raw Materials for NPK Compound Fertilizer Making Production Line
- Potassic fertilizers: potassium sulfate, potassium chloride, plant ash, etc.
- Nitrogen fertilizers: ammonium chloride, ammonium sulfate, ammonium sulphate, etc.
- Phosphate fertilizer: superphosphate, triple superphosphate, calcium magnesium phosphate
Main Equipment of NPK Compound Fertilizer Making Production Line
| No. |
Processes |
Machines |
Function of Machines |
| 1 |
Batching process |
Automatic batching machine |
Ratio raw materials by formula |
| 2 |
Grinding process |
Grinder |
Grind granules to powder |
| 3 |
Mixing process |
Mixer |
Mix powder evenly, add water or other micro-elements if necessary |
| 4 |
Granulating process |
Feeding machine & Granulator |
Feed mixed powder into granulator evenly and make mixed powder into fertilizer granules |
| 5 |
Screening process |
Screener |
Screen out required size from fertilizer granules |
| 6 |
Coating process |
Coating machine |
Coat color, anti-blocking agent, microelements etc. on fertilizer granules |
| 7 |
Packaging process |
Air compressor & Packaging machine |
Generate power to packaging machine and package fertilizer granules into bags |
Granules Strength and Appearance in NPK Compound Fertilizer Making Production Line
- Unit crushed strength: 10-25N
- Shape of finished products: oval, irregular, wheat shaped, etc. (customizable)
- Material moisture requirement: not more than 10%
- The rate of ball formation: 95%
- Output: 1-4t/h (can combine multiple granulators to increase output)
- Granule size: 3-8mm (popular market granule diameter: 2.8-4mm)
Features of NPK Fertilizer Production Line
- Simple machine structure
- Easy operation and maintenance
- Low power consumption
- Once forming, no drying process, normal temperature granulating
- Double shaft power output for better granule forming and higher strength
- Simple contraposition adjustment of ball socket with provided drawings and operation steps
- Factory testing and trial production by professional workers before delivery