Copper mines gravity separation (also known as gravity separation) is a method of separating useful minerals from gangue minerals based on the difference in mineral density. This method is suitable for processing coarse-grained minerals with large density differences. It is an effective pretreatment or concentration method for certain types of copper ores. The following introduces several common copper ore gravity separation process methods.
The jig machine uses the water flow to separate particles of different densities according to their density. When the water fluctuates up and down at a certain frequency, the lighter materials are carried up by the water flow, while the heavier materials settle to the bottom.
This method has a simple structure, convenient operation, low cost, can achieve continuous operation, and has high production efficiency. It is suitable for processing materials in the medium particle size range (usually 0.2mm~20mm) and is more effective for minerals with large density differences, such as chalcopyrite and quartz. In addition, it can also be used for the pre-enrichment process of various metal ores.
The shaking table uses an inclined surface and periodic reciprocating motion to distribute particles of different densities according to density under the action of water medium. Light materials move to one side with the water flow and are discharged, while heavy materials are concentrated to the other side.
The equipment used in this copper mines shaker gravity separation method has a compact structure and a small footprint. However, the processing capacity is relatively small, but the sorting accuracy is high. It is suitable for processing fine to extremely fine materials (<2mm), especially for the recovery of micro-fine minerals. .
The spiral chute relies on its special shape design to separate particles of different densities while sliding down the slope under the action of water flow. Particles with higher density tend to move closer to the inner wall and eventually discharge from the bottom; conversely, they flow toward the outer edge and are discharged through the upper outlet.
The equipment required for copper mines spiral chute gravity separation method does not require power drive, has low energy consumption, is easy to install and maintain, and has low investment cost. It is mainly used to process finer materials (generally less than 5mm) and has good adaptability to raw materials with higher mud content.
Centrifugal beneficiation equipment uses the strong centrifugal force generated by high-speed rotation to strengthen the density difference between minerals, thereby achieving efficient separation. This method has a very high unit volume processing capacity and recovery rate. It is mostly suitable for processing complex multi-metallic symbiotic ores, especially fine or even ultra-fine metal minerals.
The above are several gravity separation methods for copper mines. In actual beneficiation plants, gravity separation is generally not the main beneficiation method. It is usually used as an auxiliary separation. Gravity separation is used to remove impurities in minerals and improve the grade of copper. How to choose gravity separation depends on the properties of the ore. Therefore, beneficiation tests can be carried out, and suitable copper mines gravity separation and other processes can be designed through experimental analysis.
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