Drum Granulation Technology

 

Working Principle and Process

In the NPK fertilizer production process, the rotary drum granulator achieves efficient granulation through unique mechanical motion. Unlike traditional fertilizer compaction processes, drum granulation employs the principle of agglomeration: powdered raw materials and binding liquid are lifted and tumbled within the rotating drum, gradually forming uniform granules through coalescence.

Compared to the high-pressure forming of fertilizer compaction machines, the drum granulation process is gentler, preserving the chemical characteristics of raw materials, making it particularly suitable for processing heat-sensitive materials.

Key Components and Functions

The rotary drum granulator in modern fertilizer production machines includes several precision components:

· Drum system: Rotating shell with rubber lining to prevent material buildup

· Transmission device: Smooth drive system composed of big gear and pinion

· Spray system: Precise control of binder application

· Support wheel assembly: Bears drum weight and ensures smooth rotation

Application in NPK Production Lines

As the core equipment in NPK production lines, the drum granulator plays a crucial role in NPK fertilizer production technology. During the NPK manufacturing process, the equipment can handle various ratios of nitrogen, phosphorus, and potassium raw materials, producing compound fertilizers with uniform nutrient distribution through precise drum granulation control.

Compared to traditional fertilizer granules compaction methods, granules produced by rotary drum granulators have better solubility and nutrient release characteristics, better meeting the needs of modern agriculture.

Technical Advantages and Innovation

In the NPK fertilizer production process, drum granulation technology demonstrates multiple advantages: ability to process various raw material ratios, adaptability to different production scales; precise control of particle size by adjusting rotation speed and tilt angle; lower energy consumption and easier maintenance compared to fertilizer compaction machines.

Industry Applications and Development

Beyond its central position in NPK production lines, the rotary drum granulator is widely used in organic fertilizer and compound fertilizer production. With the continuous advancement of NPK fertilizer production technology, this fertilizer production machine is developing towards intelligent and efficient directions, providing better fertilizer solutions for global agriculture.