Industry Info

The granulation process and advantages of compound fertilizer drum granulator

2023/10/30
 

The compound fertilizer rotary drum granulator is equipped with steam, gas ammonia, or the addition of phosphoric acid or nitrogen solution, phosphorus ammonia slurry, and heavy calcium slurry to complete the chemical reaction and heating process of compound fertilizer granulation in the cylinder; Alternatively, in the cold granulation process of adding a small amount of water to the compound fertilizer, the materials that need to be granulated are rotated through the cylinder, causing rolling rotation when there is no material in the cylinder, and then agglomerated into balls at a certain humidity and temperature to complete the granulation process.

The composite fertilizer drum granulator adopts a special rubber plate lining or acid resistant stainless steel lining plate to achieve automatic scar removal and tumor removal, replacing the traditional scraper device. This machine has the characteristics of high ball forming strength, good appearance quality, corrosion resistance, wear resistance, low energy consumption, long service life, and convenient operation and maintenance. Steam and gas ammonia are introduced into the drum granulator, or phosphoric acid, nitrogen solution, phosphorus ammonia slurry or heavy calcium slurry are added to complete the chemical reaction and heating process of compound fertilizer granulation in the cylinder; Alternatively, a cold granulation process for adding a small amount of water to the compound fertilizer. The material that needs to be granulated is rotated through the cylinder, causing rolling rotation when there is no material in the cylinder, and then agglomerates into a ball under a certain humidity to complete the ball making process.

The main advantage of the compound fertilizer drum granulator is that it uses steam heating to regulate humidity, increases the temperature of the granulation material itself, reduces granulation water content, reduces the load of the dryer, and improves work efficiency. The granulation rate can reach 70% using a drum granulator, and the equipment is easy to operate, with high work flexibility and convenient maintenance. The equipment is lined with ultra-high molecular weight polyethylene (UHMW-PE), which eliminates the phenomenon of material sticking to the wall, reduces the labor intensity of workers, and greatly extends the service life of the equipment.

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