Jig concentrator is one of the main methods of gravity beneficiation.
Jigging is the process of using jigs for beneficiation. During the vertical opening and falling of the jig, materials are sorted primarily according to density differences in the variable-speed medium flow. Beneficiation results are affected by differences in particle size and shape. Jigging can be done with either water or air. Using water as a separation medium is called hydraulic jigging; using air as a separation medium is called wind jigging. Hydraulic jigs are used widely.
The process feature is: the selected ore is continuously fed to the sieve plate of the jig room to form a thick material layer. The rising water flow is periodically blown through the sieve plate to make the bed rise loose, and then the water flow drops (or stops rising). In this process, particles with different densities are relatively transferred, heavy minerals enter the lower layer, light minerals transfer to the upper layer, and the concentrate and tailings are obtained after being discharged separately.
According to the different structure and water movement modes, hydraulic jig machine can be divided into the following five types: piston type; diaphragm type; no piston type; hydraulic agitation type; moving screen type.
The jig separator is suitable for processing coarse-grained ore. The upper limit of the particle size is 50mm, the lower limit is 0.2-0.074mm, and the best is 18-2mm. It is often used for coal preparation, tungsten, tin and gold ore, and it can also be used for iron, manganese ore and certain non-metallic ores.
1. Large processing capacity, wide sorting size range;
2. High enrichment ratio and high recovery rate;
3. Easy installation, easy operation, easy maintenance;
4. Adjustable speed motor;
5. Low water consumption;
|Screen room area||0.27||㎡|
A jig’s advantages include high separation efficiency, high capacity, and general enrichment.
The following should be considered: ore particle size, pulp concentration, flushing times, flushing water, flushing times, etc.
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