Raw Ore: Hematite-Magnetite Mixed Ore (Ratio 60:40)
Fe Grade: 36-42%
Final Product: High-Grade Iron Concentrate Pellets
Concentrate Specification: Fe≥67%, SiO₂≤2.0%, P≤0.025%
Recovery Rate: 89% (Magnetite 95%, Hematite 83%)
Capacity: 500 tons per hour
Work Scope: EPC + Process Guarantee
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Reverse Flotation Circuit：
| Impurity | Removal Rate | Reagent Consumption |
|---|---|---|
| SiO₂ | 92% | Amine 120g/t |
| P₂O₅ | 85% | Fatty Acid 80g/t |
Dry screening: Discard -2mm low-grade fines (15% mass)
Low-Intensity Magnetic Separation (LIMS)：Magnetite recovery: 3-stage drum separators (0.2T)；Concentrate grade: Fe 68.5% (SiO₂ 2.8%)
High-Gradient Magnetic Separation (HGMS): Hematite recovery: SLon-5000 pulsating separators (1.8T); Concentrate grade: Fe 62.0% (SiO₂ 5.5%)
Concentrate Dewatering：High-rate thickeners (ø45m) → Underflow 55% solids； Vacuum disc filters → Moisture ≤9%
Pelletizing System
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3000 TPD Gold Flotation Project in Shandong Province
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