What is disc granulator?
A disc granulator, also known as a pan granulator, is a type of granulation equipment used in the fertilizer industry to create granules from powdered materials. It is named after its shape, which resembles a large disc or pan.
The disc granulator consists of a rotating disc that is inclined at an angle. The powdered material is fed onto the disc, and as the disc rotates, the material adheres to its surface due to the combination of gravity and the centrifugal force. As the material moves along the disc, it is continuously sprayed with a liquid binder or water to promote agglomeration.
The rotation of the disc causes the material to tumble and collide with other particles, leading to the formation of granules. The size and shape of the granules can be controlled by adjusting the speed of the disc, the inclination angle, and the amount of liquid sprayed.
Disc granulators are commonly used for the production of fertilizer granules, as they can handle a wide range of materials, including organic fertilizers, compound fertilizers, and other powdered substances. They are preferred for their high granulation efficiency, uniform granule size distribution, and the ability to produce dense and durable granules.
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