This cooling machine is used for compound fertilizer. It can cool fixed temperature and granularity fertilizer. Working with the dryer, it can improve the cooling speed fastly, relieve the working intensity and improve the quality, then it can wipe off some moisture and reduce the temperature of every granularity. Meanwhile, the machine can also used for cooling other powdery and grainy materials.

The structure also has many features, such as compact structure, high cooling frequency, reliable characteristic and strong adaptability.