Gold Ore Crusher Equipment Recommended

Gold crushing equipment at every stage of gold extraction is widely used, the following gold broken manufacturer to give us a detailed introduction.

Generally speaking, the gold ore extraction need to crushing, grinding process, Gold crushing equipment at every stage of gold extraction is widely used, the following gold broken manufacturer to give us a detailed introduction:.

1. Mining

To define gold ore from the waste rock, samples are taken at set intervals along surveyed lines within the pit. These samples are assayed. Assay results are used to mark out areas of ore and waste rock, which are mined separately. Some of the harder areas require blasting to loosen the rock prior to excavation by hydraulic diggers. Dump trucks haul the rock to the gold ore crusher.

2. Crushing

The primary gold ore crusher-two Stamlers and a jaw crusher - located at the mine site, receive ore and waste at separate times. They break the larger rocks down to a size suitable for transport on the conveyor.

3. Transport

A rubber belted conveyor transports the ore and waste rock to the mill and waste disposal area. Large electromagnets remove any steel debris excavated from the old workings.

4. Grinding and Sizing

Ore is stockpiled at the mill before being fed into a semiautogenous grinding (SAG) mill with lime, water and steel balls. The larger particles from this mill are returned to the SAG mill for more grinding. The finer particles receive more grinding in a ball mill, and are size classified to give a final product of 80% 70 microns.

5. Leaching & Adsorption

A slurry of ground ore, water and a weak cyanide solution is fed into large steel leach tanks where the gold and silver are dissolved. Following this leaching process the slurry passes through six adsorption tanks containing carbon granules which adsorb the gold and silver. This process removes 93% of the gold and 70% of the silver.

6. Elution & Electrowinning

The loaded carbon is fed into an elution column where the bullion is washed off. The barren carbon is recycled. The wash solution！pregnant electrolyte！is passed through electrowinning cells where gold & silver is won onto stainless steel cathodes.

7. Bullion Production

The loaded cathodes are rinsed to yield a gold and silver bearing sludge which is dried, mixed with fluxes and put into the furnace. After several hours the molten material is poured into a cascade of moulds producing bars of dore bullion.

8. Water Treatment

Some water from dewatering the mine, from the embankment underdrains and decantation from the tailings pond is recycled for use in the grinding circuit. Excess water is pumped to the Water Treatment Plant and treated to the required standards before discharge into the river.

9. Tailings Disposal

Waste rock from the mine is used to build the embankment structures. The embankment retains the tailings slurry in a pond where solids settle and compact. Water is decanted off and used in gold ore processing plant or treated before it is discharged.

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