Is coal gangue coal or stone? What good is it when it's broken?

Recently, some netizens from Xiaohetou Town, Wuzhai County, Shanxi Province, reported that a coal washing enterprise in the county did not dispose of coal gangue in accordance with relevant national standards, but a large number of wanton piles of coal gangue near the factory, which flooded the trees and polluted the environment.

Coal gangue is coal or stone?

Coal gangue is a solid waste discharged in the process of coal mining and coal washing. It is a black gray rock with a lower carbon content and harder than coal in the process of coal formation. Therefore, coal gangue is a stone.

A large amount of coal gangue will cause serious environmental pollution

Coal gangue is a mixture of carbonaceous, muddy and sandy shale, with low heating value, a large number of coal gangue piled in the open not only occupies a large number of land resources, with the accumulation of heat, the temperature of coal gangue gradually increases, and may occur spontaneous combustion phenomenon, so it is necessary to deal with coal gangue correctly.

what are the ways to deal with coal gangue?

Crushing sand is one of the effective ways to solve the problem of coal gangue stacking and improve the utilization rate of coal gangue. After series processing, coal gangue has the following uses:

Coal gangue has various uses after crushing

1. As the raw materials of the cement industry, combined with the treated coke can make cement products;

2. As building concrete aggregate raw materials, and other recycled sand and stone recycled concrete configuration;

3. As the basic material of refractory bricks and common building bricks made by brick factory;

4. As steel mills, iron works, lime kiln fuel/auxiliary fuel, but also can effectively control the temperature.

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