... drying into one. Based on the ammonium phosphor engineering spray granulator, Right Machinery Company, cooperating with Nanjing Chemical Industry ... (Group) Company Institute, has developed this special spray granulation dryer for sulfenyl NPK (Nitrogen, Phosphorus and Potassium ... well-distributed curtain.2.Under the effect of pneumatic nozzle, the material slurry is sprayed into the drum, ...