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Why Should Coal Be Washed?

Nov. 25, 2022

Why Should Coal Be Washed?

Coal from coal mine is a complex material mixture with multiple physical properties. In addition to coal itself, this mixture also contains rocks, sand and various minerals. Therefore, coal must be cleaned before being sold to consumers. The cleaning process includes a series of steps, and finally produces products that are particularly suitable for specific consumer needs. The earliest of these steps is crushing and sorting. These two processes can reduce coal to the form required by consumers.

The coal washing plant has improved the coal washing process and quality, thereby increasing the price. Coal washing technology also helps reduce emissions from combustion.

How to wash coal?

There are two main coal preparation methods, one is density separation and the other is froth flotation. Both processes depend on the fact that the particles from which the coal sample is made have different densities. For example, when water is added to the sample, the particles will sink to different depths according to their density. In this way, the various components of the sample can be separated from each other.

Purpose of coal washing equipment:

1. Reduce water and energy-intensive coal production

The coal washing program includes factory installation and independent modules to optimize beneficiation capacity. In other words, this means maximizing the ore recovery rate while using less water, energy or other consumables in the process.

Another important feature is water conservation. By enhancing water conservation, zero discharge of wastewater and reducing carbon emissions, this solution helps to achieve a more sustainable process.

2. A more sustainable process helps reduce operating costs

To meet the needs of customers for greater flexibility and efficiency in terms of sustainability. Our philosophy is to provide comprehensive solutions for the industry.

Structural characteristics of coal washer:

1. Standard length valve body can be used, and the combined shape can be selected according to needs.

2. Coal washing technology-the use of CNC pneumatic valve, high degree of automation of coal washing.

3. Coal preparation method-double-amplitude pulsed water flow, good bed stratification effect and high clean coal yield.

coal washer

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