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Basic knowledge of organic fertilizer granulation equipment Disc granulator

2022/09/05
 In the field of agitator granulation equipment, the disc granulator machine (sometimes also called a pan granulator) is usually chosen because of its ability to produce refined products. It is used to process everything from chemical powders, fly ash and soil amendments to minerals and ores, fertilizers and more. More and more fertilizer machine manufacturers are competing to sell, and the fertilizer granulator machine price is not the same. Our company has granulator with high quality and beautiful price, welcome to consult and purchase.
Disc granulators are a "tumble growing" or agitated agglomeration device, which means they rely on a liquid binder and motion to form and refine agglomerates. Disc granulators can be used alone or in combination with mixers, the most common being pin mixers.
The material is continuously fed into the disc and carried away by rotation. The spray system mounted on top of the disc has several movable nozzles (number determined at the design stage) to spray the adhesive onto the material, making it sticky.

Due to the centrifugal force on the disc, the particles sort themselves into streams based on their size; small seed particles will find their way to the right side of the disc, moving to the left as they grow, and once they are reach the desired size and they will eventually be drained
The operation of a pan granulator in a fertilizer production line is generally considered a technique that goes beyond raw material viscosity and incorporates many mechanical and process variables to achieve desired granulation characteristics. The variables that must be considered during operation of the pan granulator are outlined below:
1. Mechanical variables:
Translation angle, translation speed, nozzles (including nozzle number, location, type, etc.)
2. Process variables:
Raw material properties (fine/coarse; sticky/nonstick), dry-to-wet ratio, adhesive type, desired size of finished product, raw material moisture, feed rate, adhesive rate, etc.
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