Compound Fertilizer Production Line
The compound fertilizer production line incorporates the production processes of raw material dosing, mixing, granulating, drying, cooling, classification, coating and packaging.
- Raw material dosing: Urea, ammonium nitrate, ammonium chloride, ammonium sulfide, ammonium phosphate (monoammonium
phosphate, diammonium phosphate, coarse whiting, calcium), potassium chloride (potassium sulfate) as well as other
materials are mixed in a certain proportion which depends on the market demands and soil constituent.
- Raw material mixing: Mix raw materials evenly to improve the fertility.
- Granulating: Well-mixed materials are fed into the granulator (rotary drum granulator or squeezing granulator is
- Drying: The fertilizer particles are dried by the dryer to remove the moisture and improve the strength for ease of
- Cooling: The temperature of dried granules is a bit higher, leading to forming lumps or agglomerates (caking).
Cooled fertilizer alleviates caking and is easier to store and transport.
- Classification: All unqualified granules are separated to crush and re-granulate. Qualified product is conveyed
into next process.
- Coating: Qualified fertilizer particles are coated to increase the roundness and brightness.
- Packaging: The coated fertilizer is packaged and stored.