Wolframite is an important tungsten ore with high tungsten content, which is an important source of tungsten. The beneficiation process flow of Wolframite is very critical, which directly affects the extraction efficiency and quality of Wolframite. This article will introduce the beneficiation process of Wolframite to help readers better understand the extraction process of Wolframite.
1、 Properties of Wolframite
Wolframite is a kind of ore with high hardness, high density and black color. Its main component is Tungstate, which contains high tungsten content. The mineral composition of Wolframite is complex, which contains many impurities, such as iron, copper, lead, zinc, etc. These impurities will affect the extraction efficiency and quality of Wolframite.
2、 Beneficiation process flow of Wolframite
1. Rough selection
The beneficiation process flow of Wolframite usually includes three stages: roughing, medium concentration and concentration. Rough dressing is the primary physical separation of Wolframite to remove large impurities. Rough separation usually adopts heavy medium beneficiation method, where Wolframite is put into heavy medium, and the density difference between Wolframite and impurities is used for separation. The advantage of heavy medium beneficiation method is that it is simple and easy to operate, but it requires high equipment requirements and requires some operational experience.
Medium concentration is to further physical and chemical treatment of Wolframite after rough separation to remove fine impurities. The flotation method is usually used in the middle concentration. Wolframite is put into the flotation cell, and reagents and gas are added. The adsorption of reagents and the buoyancy of bubbles are used to separate Wolframite from impurities. The advantage of the flotation method is that it can be applied to a wide range of Wolframite with different properties, but there are many kinds of reagents, so it is necessary to select appropriate reagents according to the actual situation.
Cleaning is the final physical and chemical treatment of the Wolframite after the concentration to improve the quality and purity of Wolframite. Selection usually uses gravity separation and chemical beneficiation methods. Gravity separation method is to separate Wolframite and impurities by using density difference, while chemical separation method is to separate Wolframite and impurities by using chemical reaction. The advantages of gravity separation and chemical beneficiation methods are high extraction efficiency, but they require high equipment and reagents, requiring a certain level of technology and experience.
The beneficiation process of Wolframite is a complex process, which needs to be selected in combination with the nature of Wolframite and the characteristics of beneficiation process. In actual operation, it is necessary to select the appropriate beneficiation process according to the specific situation, reasonably use equipment and reagents, and ensure the extraction efficiency and quality of Wolframite.