We were established as the most specialized mineral processing equipment company since 1985.
This project is a 20 TPH rock gold gravity concentration plant solution, customized by JXSC for a client in Mozambique. Based on the local conditions and characteristics of the gold ore, it employs a multi-stage crushing process combining jaw crushers and hammer crushers, along with a multi-stage gravity separation process involving centrifuge pre-concentration, a sluice box, and a shaking table, to achieve full-coverage recovery of gold particles of varying sizes. The entire plant features low construction costs, short commissioning time, simple operation and maintenance, and environmental friendliness. Gold extraction can be completed without chemical reagents, making it suitable for the development needs of small to medium-sized gold mines in Africa. It is currently in stable production locally, and the overall gold recovery rate meets the client’s expectations.
20TPH Rock Gold Gravity Concentration Plant
The raw ore is first fed into the raw ore feed hopper and then evenly conveyed to the jaw crusher by a vibrating feeder to initially crush the large pieces of ore to a suitable particle size, completing the first crushing process.
The coarsely crushed ore is fed into a fine jaw crusher for secondary crushing via a belt conveyor, and then conveyed to a fine crushing unit consisting of 4 hammer crushers to crush the ore to the particle size required for the individual release of gold.
The finely crushed ore is fed into a slurry tank and mixed with a sand pump to a suitable concentration to prepare for the subsequent gravity separation process. Production water is supplied from a water source to a centralized water tank via pumps.
The slurry first enters a centrifugal concentrator, where the centrifugal force generated by high-speed rotation rapidly captures the heavier gold particles, producing the first batch of high-grade gold concentrate. The tailings then flow by gravity into the next separation equipment.
The centrifuge tailings are first scavenged in a sluice to recover coarse, uncollected gold particles, and then fed into a shaking table for fine separation. Fine gold particles are further recovered based on differences in mineral specific gravity, producing the second and third portions of gold concentrate. The tailings are then discharged in compliance with regulations.
The gold concentrate produced in the three-stage gravity separation process is collected and sent to a gold smelting furnace for high-temperature smelting to remove impurities and produce gold ingots that can be sold directly. The power supply for the entire production line is centrally controlled by the plant’s power distribution room.
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