The process flow of compound fertilizer production line can usually be divided into: raw material ingredients, raw material mixing, raw material granulation, particle drying, particle cooling, particle grading, finished product coating, and final finished product packaging.
1, Raw material ingredients: urea, ammonium nitrate, ammonium chloride, ammonium sulfide, ammonium phosphate (mono-ammonium phosphate, diammonium phosphate, heavy calcium, calcium), potassium chloride (potassium sulfate) and other raw materials are equipped in a certain proportion (according to market demand and soil test results).