How to separate tin ore and tungsten ore

How to separate tin ore and tungsten ore

Tin ore and tungsten ore are two common metal minerals that are widely used in industrial production. However, the physical properties of tin ore and tungsten ore are similar, making it difficult to distinguish them during the sorting process. This article will introduce the separation methods of tin ore and tungsten ore to help readers understand their differences.

1、 Physical Properties of Tin and Tungsten Ores

Tin ore and tungsten ore have some similarities in physical properties, such as density, hardness, color, etc. However, they differ in magnetism, specific gravity, and other aspects. The specific gravity of tin ore is 6.8-7.1, while the specific gravity of tungsten ore is 19.3. In addition, tungsten ore has a certain degree of magnetism, while tin ore does not. These differences provide a foundation for the separation of tin and tungsten ores.

2、 Separation Methods for Tin and Tungsten Ores

1. Reselection method

The gravity separation method is a commonly used method for separating tin and tungsten ores. This method utilizes the difference in specific gravity between tin ore and tungsten ore to separate them through gravity separation. The specific operation steps are as follows:

(1) Mix tin ore and tungsten ore together and add them to water to form a suspension.

(2) Pour the suspension into the gravity separator and separate the tin ore and tungsten ore through vibration screening.

(3) Collect the separated tin ore and tungsten ore separately.

The reselection method is simple and easy to implement, but it requires the use of professional equipment and is not easy to carry out in the home.

2. Magnetic separation method

Magnetic separation method is a method of using the magnetism of tungsten ore for separation. This method is suitable for ores with abundant tungsten minerals. The specific operation steps are as follows:

(1) Crush tungsten containing ore into powder and add it to water to form a suspension.

(2) Pour the suspension into a magnetic separator and separate the tungsten ore through magnetic force.

(3) Collect the separated tungsten ore.

The magnetic separation method requires the use of professional equipment, but the operation is simple and suitable for home sorting.

3. Flotation method

Flotation method is a commonly used method for separating tin and tungsten ores. This method utilizes the difference in specific gravity between tin ore and tungsten ore to separate them through bubbles. The specific operation steps are as follows:

(1) Mix tin ore and tungsten ore together and add them to water to form a suspension.

(2) Bubbles are added to the suspension to make the bubbles adsorb on the surface of tungsten ore and form flotation foam.

(3) Separate the flotation foam and collect tungsten ores.

The flotation method is simple and easy to operate, but requires the use of professional equipment.

III. Summary

Tin ore and tungsten ore have some similarities in physical properties, but there are differences in their specific gravity, magnetism, and other aspects. Tin ore and tungsten ore can be separated through methods such as gravity separation, magnetic separation, and flotation, providing basic materials for industrial production. In practical applications, it is necessary to choose appropriate sorting methods based on specific situations to ensure sorting effectiveness.

How to separate tin ore and tungsten ore