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实验研究了过热蒸汽流化床反应干燥一步法制备粒状MAP的工艺条件,在70 kPa,100～130℃,进料n(NH3)/n(H3PO4)为1.2～1.6条件下,床层操作稳定,制得了性状良好的球形磷酸一铵产品。
The process conditions of one-step preparation of granular MAP by superheated steam fluidized bed reaction were studied experimentally, and the operation of the bed was stable under the conditions of 70 kPa, 100-130 ℃ and 1.2 ~ 1.6 of feedstock NH3 / n (H3PO4) , Obtained a good spherical shape of monoammonium phosphate products.