Double Roller Granulator is also named Extruding Machine or Roller Pressing Machine, the powder fertilizer will pressed or extruded from the two rollers into oval or semi-round shape with different sizes from diameter 1-10mm accordingly; the feeding powder moisture is suggested within 5% for the NPK fertilizer production but higher moisture for orgaic fertilizer granulation, following is the pictures on comparation of compound and organic fertilizer:

meanwhile it can produce granphite pellets, or diamond or black carbon granules production and so on, here is the sample granules to show:

while in the overseas clients working site, it is the following NPK granules Fertilizer for your check, please:

the complete double roller granulating line includes the auto feeding and weighing scale, crusher, mixer, double roller granulator, screening machine and packing machine. its capacity can be 1t/h to 20t/h, or even larger according to your investment and requirement;

If you are interested in our granulating fertilizer production line, welcome you to visit us or contact us freely;