三元复肥的内返料内分级喷浆造粒干燥 Ⅰ──回转圆筒技术改造

Spray-Grandulator-Dryer with Internal Returns for Compound Fertilizer of Three Kinds of Element of N-P-K Part Ⅰ─Rotating Cylinder Remaking

通过对回转圆筒干燥器进行技术改造，实现了三元复肥的内运料内分级喷浆造粒干燥由此生产出的三元复肥具有：钾含量高、总养分高等特点，能促进经济类农作物高产．

With engaging technical innovation for Rotating-cylinder-Dryer, Spray-Gradulator-Dryer of Compound fertilizer of three element with internal returns and internal classifiCation was accomplished. From this, three element compound fertilizer that the content of potassium and total nutrient is higher was produced. It can increase output of economic crop.