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Tungsten ore beneficiation equipment

2023-04-28 Xinhai (259)

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Tungsten ore, also known as wolframite or scheelite, is a valuable mineral that is commonly used in various industrial applications due to its unique physical and chemical properties. To extract tungsten from its ore, a series of beneficiation processes are required to remove impurities and concentrate the valuable metal.

The first step in tungsten ore beneficiation is crushing and grinding. The ore is crushed into small pieces and then ground into a fine powder to facilitate the subsequent separation process.

After grinding, the next step is gravity separation. This involves using specific gravity differences between tungsten minerals and gangue minerals to separate them. Commonly used gravity separation equipment for tungsten ore includes spiral chutes, shaking tables, and centrifugal concentrators. Spiral chutes are widely used due to their low cost and high efficiency in separating fine-grained tungsten minerals.

Magnetic separation is another important step in tungsten ore beneficiation. Tungsten minerals are usually associated with magnetic minerals, such as magnetite, so magnetic separation can be used to concentrate the tungsten minerals. Magnetic separators can be used in combination with gravity separation equipment to improve the beneficiation efficiency.

Flotation is also commonly used in tungsten ore beneficiation. This process uses chemicals to selectively separate the tungsten minerals from the gangue minerals based on their surface properties. Commonly used flotation agents for tungsten ore include fatty acids, hydroxamic acids, and phosphonic acids. The choice of flotation agent depends on the specific properties of the tungsten ore.

Finally, tungsten concentrate is obtained by a series of refining processes, including roasting, leaching, and precipitation. The concentrate can then be further processed into pure tungsten or tungsten-based alloys for various industrial applications.

Commonly used tungsten ore beneficiation equipment includes crushers, ball mills, spiral chutes, magnetic separators, flotation machines, and refining equipment. It is important to choose the right equipment based on the specific properties of the tungsten ore to achieve optimal beneficiation results.

In conclusion, tungsten ore beneficiation is a complex process that involves multiple steps and requires specialized equipment. By using a combination of crushing, grinding, gravity separation, magnetic separation, and flotation, tungsten ore can be efficiently and effectively concentrated to produce high-quality tungsten concentrate

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