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研究了以尿素、磷酸一铵、氯化钾为原料，采用熔融造粒工艺制１６－１６－１６三元复混肥的可行性；并对尿液浓度、混合液混合温度、停留时间等对熔融混合物流动性的影响进行了试验，确定了合适的工艺条件。
The feasibility of making 16-16-16 ternary compound fertilizer with urea, ammonium phosphate monobasic and potassium chloride as raw materials by melt granulation was studied. The effects of urine concentration, mixing temperature and residence time The influence of the flowability of the molten mixture was tested and the suitable process conditions were determined.