本发明涉及一种无机复合肥造粒生产方法 ,其特征在于在破碎后的混合物料中均匀喷入 ( 3 0～ 50 ) %浓度的工业硫酸溶液 ,其硫酸用量为物料重量的 ( 3～ 5) % ,发生放热反应后迅速进入造粒机中造粒 ,造粒后用风干机风干 ,经筛分得到合格产品 ,该方法省去了传统的加水造粒和烘干 The invention relates to a method for granulating inorganic compound fertilizer, which is characterized in that the industrial sulfuric acid solution with a concentration of (30~50)% is uniformly sprayed into the crushed mixed material, wherein the amount of sulfuric acid used is 3~5 )%, An exothermic reaction quickly into the granulator granulation, granulation after drying with a wind dryer, the sieve to obtain qualified products, the method eliminates the traditional water granulation and drying