Iron-free Grinding Equipment Mineral Grinding Equipment

Iron-free Grinding Equipment

1.Product Introduction

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2.Application

• Mining & Metallurgy: Used for the regrinding and fine grinding of copper, gold, molybdenum, and magnetite ores to prevent iron ions from interfering with subsequent flotation or leaching processes.
• Chemicals & Materials: Production of high-purity ceramic powders, catalysts, and lithium battery cathode materials where metal impurities are strictly limited.
• Food & Pharmaceuticals: Grinding of active pharmaceutical ingredients (APIs) and food additives to ensure products meet hygiene and safety standards.
• Electronics & Optics: Preparation of high-purity quartz, sapphire, and other optical materials to prevent metal contamination from degrading performance.

3.Working Principle

The equipment employs high-speed rotating agitators, rotors, or drums to drive non-ferrous grinding media within a closed chamber. This creates intense shearing, collision, and friction forces to achieve fine or ultra-fine grinding of the material. Because the grinding media contains no iron, the process introduces zero iron ions, making it particularly suitable for wet grinding and continuous production. Technologies like the IsaMill and Tower Mill utilize this approach, enabling precise particle size control by adjusting media size and rotational speed.

4.Advantages 

• Zero Iron Contamination: Completely prevents the dissolution of iron ions, enhancing product purity and the efficiency of downstream processes.

• High Energy Efficiency: Utilizes efficient agitation or laminated crushing mechanisms, resulting in lower unit energy consumption compared to traditional ball mills.

• Uniform Particle Size: Integrated with internal classification structures, it can stably produce ultra-fine powders with $D_{97} < 10 mu m$.

• Low Maintenance Costs: Non-ferrous media wear down slowly, extending equipment lifespan and reducing the frequency of shutdowns for replacement.

• Eco-Friendly: Eliminates the risk of oil leaks from lubrication systems, aligning with green manufacturing trends.

5.Technical Specifications

6.Our Solutions