Potassium Sulfate Fertilizer Production Line with Carbon Steel construction, delivering 5-6 tons per hour capacity.

NPK Compound fertilizer production line is widely applied to produce compound fertilizer with capacity ranging from 5,000-200,000 tons/year. This versatile system can granulate various materials including NPK, NP, ANP, DAP, MAP, CAN, SSP and other compounds into fertilizer particles in a single processing line.

Compound fertilizer contains two or all three of the essential plant nutrients—Nitrogen, Phosphorus, and Potassium—along with microelements such as Boron, Manganese, Copper, Zinc, and Molybdenum. Raw materials can be in powder or bulk form:

The NPK compound fertilizer production typically includes 7 processes: batching, grinding, mixing, granulating, screening, coating, and packaging. Batching, mixing, granulating, and screening are essential processes, while others are optional based on production capacity requirements.

The system employs an extrusion sliding model design where raw materials pass through double rollers, enter the scattering room, and emerge as granules. A customized sieve at the machine bottom separates qualified granules, while remaining materials return to the mixer for re-granulation.

• Dynamic or static batching machine
• Crushing machine
• Mixing machine
• Granulating machine
• Screen machine
• Packing machine

• No drying technology required - normal temperature granulating with single-pass forming
• Low investment with quick return and excellent economic benefits
• Combined granulating, forming, and screening in one machine for attractive granules
• Easy operation with low energy consumption
• SDZ model features upgraded rack with high-quality anti-corrosive cast materials for enhanced stability and extended roller service life

• Simple machine structure
• Easy operation and maintenance
• Low power consumption
• Single-pass forming without drying process
• Normal temperature granulating
• Long service life