In the roller press granulator production line,the roller press granulator machine is the main fertilizer machine to make the compound fertilizer granulator.There are more than 20 kinds of materials that have been successfully applied to granulating. Ammonium nitrate, urea, ammonium chloride and calcium nitrate in nitrogen fertilizer. Phosphate fertilizer includes ammonium phosphate, calcium phosphate, heavy calcium, phosphate rock, potassium chloride and potassium sulfate, and can add trace elements such as boron, iron, copper, zinc, manganese and so on. Extrusion granulation has no special requirements on the granularity of the raw materials, 1-4mm granular materials and fine powdery materials are available, it’s better to use the granularity of powder material and powdery products , and the cost can be reduced with powdery materials.

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