According to the feature of low release compound fertilizer,compared the traditional process with the process principle of fluid-bed, and indicate the future of compound fertilizer fluid-bed coater.

• 从缓释复合肥的特点出发,将传统工艺与流化床包衣机的工艺原理加以比较,阐述了流化床的优势所在,并展望了复合肥流化床包衣机的发展前景。