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 optional).
• Drying: The fertilizer particles are dried by the dryer to remove the moisture and improve the strength for ease of storage.
• 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.