The series of double roller granulator is extrusion model , its working principle is the belt and pulley driven by electric motors , to the driving shaft to pass through the reducer , and synchronization off then gear and the driven shaft opposite the work . Material from the hopper to join, after the roll extrusion molding ,mold release , making the ball , and after a chain sent to the broken screen studio , under the screen and the separation of the finished pieces (the ball) tablets , and then return the mixture of material with new material before granulating . With the continuous rotation of motor , the material continues to enter in order to achieve mass production.The finished granules by this fertilizer granulator is oval shape, if you want round ball shape granules,a ball shaping machine can help, ball shaping machine is used to make cylindrical and oval shape granules (pellets) into round ball shape granules.it adopts high speed rotation working principle to make round ball pellets.
The raw material can be compressed directly in the normal temperature.the double roller type fertilizer pellet mill not only applies to make the multielement compound fertilizer, but also applies to rare earth magnetic fertilizer granulation. Such as, urea ammonium bicarbonate, chloride, ammonia, ammonium phosphate, potassium chloride and so on.