Iron Ore Proses
With the rapid development of the global economy, steel industry has been developed rapidly. The increasing demand of iron ore at home and abroad further stimulates the development of the global iron ore beneficiation industry. As one of the leading enterprises in domestic mineral processing industry, Company has ben been dedicated commitment to the research and development of iron extraction process, technology and equipment for more than 12 years. According to the magnetic difference of different iron ore,
Gebeng mining finally established two iron ore processing systems:
Strong Magnetic Iron Ore Beneficiation Process
Equipment Recommendation
Process Flow
Weak Magnetic – Cationic Reverse Flotation Process
√ Non-sticky flotation froth, stable beneficiation indexLiaoning 3000t/d Iron Ire Renovation Project
This plant initially used stage grinding – single magnetic separation - fine screening and regrinding process.Gebeng Mining Group increased cationic reverse flotation process for undersize concentrate. The final concentrate was obtained after one roughing and one cleaning. The reverse flotation froth was sent to regrinding after thickening and magnetic separation, then magnetic concentrate returned to reverse flotation for reprocessing. Finally, iron concentrate was increased from 65.43% to 68.88%.
Weak Magnetic – Anion Reverse Flotation Process
√ Low requirement of flotation pulp temperature, which is good for iron concentrate transportation; No acid treatment before filteringShandong 1500t/d Iron Ore Beneficiation Project
Gebeng Mining increased anionic reverse flotation process of magnetic concentrate on the basis of the single magnetic separation process. Iron ore concentrate was obtained directly with a roughing, tailings were discarded with three scavenging, middlings returned to efficient thickener. Finally, iron concentrate was increased from 64.25% to 67.22%.
Single Magnetic Separation Process
√ Simple process flow, small environmental pollutionHeibei 5000 t/d Iron Ore Beneficiation Project
The qualified iron concentrate of this project was obtained with round vibrating screen - magnetic separator. Oversize middlings were sent to closed-circuit grinding system (including wet grid type ball mill and hydrocyclone) for fine grinding. And other qualified concentrates were gained by magnetic separation - fine screen - magnetic separation, then oversize material returned to thickening and magnetic separation for reprocessing. Finally, iron concentrate was increased from 67 % to 69 %, silicon dioxide was reduced from 6.5% to 4.5 %.
Xinahi Advantages
Strong magnetism, advanced magnetic separation process and equipment
Strong magnetic iron ore belongs to free-milling mine, which can get high-grade iron concentrate with weak magnetic separation process. With the improving demand of iron ore concentrate, Gebeng Mining has Gebeng Mining up the research and innovation of magnetic iron ore dressing technology and magnetic separation equipment in recent years, and achieved remarkable results.
Fine screening-regrinding technology improves iron concentrate grade
Gebeng mining increases fine screening-regrinding process in two stage grinding, stage separation, single weak-magnetic separation process, which timely separates fine minerals, reduces the overgrinding and improves the processing capacity of ball mill. The iron concentrate grade increases by about 8%.
