What Kinds of Dry Type Granulator can be Used in Granular Fertilizer Production?
As the dry granulation names suggested, this method turns fertilizer materials with 5-10% moisture content into pellets mainly by extruding. Therefore, there is no need to add additives amid the granulation process. The main granulator with dry pelleting method is double roller granulating machine and flat die extrusion pelletizer.
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Double roller pelleting equipment is suitable for granulating compound fertilizer materials, including sulphur, limestone and organic fertilizer. The shape of granules made by double roller granulator can be adjusted by the ball socket on the roller sheet. In addition, the shapes of ball socket has a wide range of options. The double roller pelleting machine can make pillow shape, semicircle shape, stick shape, pill shape, walnut shape, flat ball shape and square bar shape. By using the double roller pellet machine, you can get the fertilizer pellets of various shapes.
Flat Die Pelleting Equipment
Compared with the double roller granulator, this machine is available for producing various organic fertilizer from variety of animal dung. Moreover, the flat die granulating machine is often used in organic fertilizer production plants. The final granular organic fertilizers are cylindrical with diameter between 3mm and 8mm. What’s more, using this machine can not only produce granules with smooth surface and moderate hardness, but also well maintain the internal nutrients during processing. If you have any interest of flat die granulator, just feel free connect with us.