Gold Tailings Gravity Separation Equipment

Introduction

Gold tailings are the residue materials left after the extraction of gold from ore. These tailings often contain valuable minerals and metals that can be recovered through effective separation techniques. Gravity separation is a widely used method in the mining industry to separate valuable minerals from the gangue material. In this article, we will discuss the equipment used for gravity separation of gold tailings.

1. Jig Machine

The jig machine is one of the commonly used gravity separation equipment for gold tailings. It works based on the difference in specific gravity between the valuable minerals and the gangue material. The jig machine utilizes pulsating water flow and vertical movement to separate the heavy minerals from the lighter gangue particles. It is particularly effective in separating coarse-grained gold particles.

2. Shaking Table

Shaking tables, also known as concentrator tables, are another commonly used gravity separation equipment for gold tailings. The shaking table consists of a slightly inclined deck and a reciprocating motion mechanism. The valuable minerals are separated based on their specific gravity and particle size as the table shakes horizontally. Shaking tables are effective in separating fine-grained gold particles.

3. Centrifugal Concentrator

The centrifugal concentrator is a high-speed rotation device that utilizes centrifugal force to separate the valuable minerals from the gangue material. It is particularly effective in recovering fine gold particles. The centrifugal concentrator operates by spinning the slurry at a high speed, causing the heavier particles to move towards the outer edge while the lighter particles are pushed towards the center. This results in the separation of the valuable minerals from the gangue material.

4. Spiral Chute

Spiral chutes are commonly used gravity separation equipment for gold tailings. They are designed to separate minerals with different specific gravity based on their relative movement in response to gravity and centrifugal force. The spiral chute consists of a spiral groove, cross-section shape, and a flow-adjusting device. As the slurry flows down the spiral chute, the heavier particles settle to the bottom while the lighter particles are carried upwards. This allows for the effective separation of gold particles from the gangue material.

Conclusion

Gravity separation is an effective method for the recovery of valuable minerals from gold tailings. The equipment discussed in this article, including jig machines, shaking tables, centrifugal concentrators, and spiral chutes, are widely used in the mining industry for this purpose. Each equipment has its own advantages and is suitable for different particle sizes and specific gravity ranges. By utilizing these gravity separation equipment, mining companies can extract valuable minerals from gold tailings and minimize environmental impact.