Material addition and mixing: The powder material to be granulated is added into the drum granulator through the feed hopper. The electric motor drives the drum to start rotating, and the granulator or screen carried inside moves with it. The raw materials are subjected to mechanical force inside the drum, and at the same time, they are subjected to compression, shear and friction of the inner wall of the drum, which make the raw materials mix evenly gradually.
Granulation process: During the rotation of the drum, the raw materials are subjected to continuous compression and shear forces, and gradually agglomerate and bond together to form granules. For models equipped with rotating knives, the rotating knives cut the granules into the desired size.
Pellet discharge: As the cylinder has a certain degree of inclination, under the joint action of friction, centrifugal force and gravity, the mixed material rises to a certain height with the cylinder wall and then rolls down, and the rolling material and the rising material produce relative motion and roll into a ball, and the ball rolls along the circumference of the material at the same time along the axis of the cylinder direction of the movement from the high end to the low end, and the final finished product pellets from the low end of the discharge port discharge.
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