| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for producing a coated granular fertilizer, which have high productivity while maintaining the quality of the coated fertilizer. <P>SOLUTION: The apparatus for producing the coated granular fertilizer has a preheating unit (a) having a system comprising heating the granular fertilizer while allowing it to flow or roll, a spray nozzle (i) for spraying a solution of a coating agent containing a polymer onto the surface of the granular fertilizer, and a coating unit (b) having an inlet and an outlet for hot air for drying the sprayed solution. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
