Gold sand ore beneficiation principle is to maximize the recovery of gold by gravity separation from the raw ore and its associated various heavy minerals, and then re-election, flotation, amalgamation, electrostatic and magnetic separation operations will jointly selected from Gold and various heavy minerals are separated from each other for the purpose of comprehensive recovery. The classification of gold deposits is generally divided into processes such as disintegration and screening, de-sludge and sorting. 1. We support ODM & OEM.
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1, disintegration and screening
Many gold deposits contain cemented muds, which have a particle size of more than 100 mm. If the mud mass is not broken, it will be removed along with the waste rock during the screening process, resulting in loss of gold. In addition, the cement can be cemented on gravel or pebbles, and if it is not broken, it will also cause gold loss during the screening process.
2, remove mud
Materials less than 0.1 mm in gold ore are generally free of gold or contain little gold. Gold less than 0.1 mm, commonly known as floating gold, is difficult to recycle during the sorting process, while the same grade of slime interferes with the sorting process, especially the mechanical sorting process. Therefore, in the sand gold mining machinery concentrator, always try to remove the slime less than 0.1 mm. Desliming equipment commonly used in production is a mud hopper of various specifications. The chute selection allows for a wide range of material sizes and a large amount of processing, so that the sulfur tanks are not de-sludged before sorting.
3. Sorting
Practice has proved that the re-election method is the most effective and economical method for processing gold deposits. Due to the different particle size composition of gold in the gold mine, the effective grain size limits of the various re-election equipment are different, so the reasonable sand gold ore sorting process should be the joint operation of several re-election equipment.
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