Coal sludge is a waste product in the process of coal production. It is usually the fine particles and impurities separated from the coal gangue after washing during coal processing. Coal sludge is produced in large quantities, and if it is not treated, it will cause serious pollution to the environment.
Coal sludge can be made into briquettes, which is an environmentally friendly fuel. It is made by adding coal slurry with binders and fillers. It is processed through high-pressure pressure and a certain temperature. Briquette is an environmentally friendly energy source with advantageous features such as high calorific value and long burning time. It can replace coal as fuel for factories, industrial boilers and other facilities. It is easier to store and use after making briquettes, thus the coal sludge can be re-cycled and turned into treasure.
The production of briquettes can be divided into three steps. Firstly, the coal slurry and the binder are mixed thoroughly with the wheel charcoal powder mixer. Then it is pressed into solid fuel briquettes through high temperature and high pressure treatment using the briquette extruder machine. During the mixing process, the filler and regulating control agent need to be adjusted according to different kinds of briquettes. Parameters such as pressure, temperature and speed need to be strictly controlled during the compression molding process so as to ensure the quality of the finished briquettes.
Briquettes can replace traditional fuels, such as: coal, oil and so on. Briquettes are compared with traditional fuels. Coal briquettes have no use of odor, no ash flying, little pollution to the environment, easy to use and other advantageous features. Coal slurry can be made into environmentally friendly fuel briquettes. And it has a good governance and protection effect on the environment, the application prospect is more broad.
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