Double Roller Granulation Line For Compound Fertilizer Production

Product Overview

This double roller extrusion granulation line efficiently produces high-density NPK compound fertilizer without drying requirements. Ideal for urea, DAP, MAP, potassium chloride, and other raw materials, it delivers uniform granules (2-5mm) with low dust and excellent solubility.

Key Advantages vs Competing Systems

Core Process Flow

1. Raw Material Prep

   • Precision batching (±0.5% accuracy)

   • Pre-crushing (<0.5mm particles)

2. Extrusion Granulation

   • Twin rollers (≤100mm adjustable gap)

   • 50-100MPa pressure for uniform granules

3. Post-Processing

   • Edge trimming & surface polishing

   • Sieving (3-layer vibrating screen)

Technical Specifications

• Capacity: 3-20TPH

• Granule Size: 2-5mm (customizable)

• Moisture Tolerance: ≤5% (no drying required)

• Power: 55-280kW (model dependent)

Typical Applications

• NPK 15-15-15/17-17-17 production

• Controlled-release fertilizer cores

• Potash/SOP granulation

Certifications: CE, ISO 9001