Substantiation into Parameters of Carbon Fuel Production Technology from Brown Coal

Abstract:

Technological solutions for brown coal processing, thermal influence on it at temperature change, thermo vacuum drying are analysed and qualitative and quantitative characteristics of semi – coking products are studied. The parameters of crushing and thermo vacuum drying of brown coal, heat treatment and cascade separation (electrostatic and magnetic) are substantiated. Studies on the manufacture of a pilot batch of carbon fuel with high quality characteristics are performed. Cascade treatment of heat-treated brown coal on electric and magnetic separators allowed to obtain a concentrate with ash content from 17.72 to 22.8%, volatile yield ≤ 35%, higher heat of combustion from 7256.1 to 7523.6 kcal/kg. It is determined that favourable modes of preliminary heat treatment of brown coal samples are in the temperature range of 200-400°С. The established characteristics of the obtained solid fuel correspond to the gas group of thermal coal. The obtained technological solutions for the processing of brown coal can be the basis for the manufacture of an industrial line, taking into account the thermo vacuum installation for further implementation in enterprises using carbon fuel.

• Periodical: Materials Science Forum (Volume 1045)
• Pages: 90-101
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.1045.90
• Online since: September 2021
• Authors: Oleksandr Shustov*, Artem Pavlychenko, Andrii Bondarenko, Oleksandr Bielov, Olena Borysovska, Arstanbek Abdiev
• Keywords: Carbon Fuel, Coal, Coal Clay, Coal Processing, Drying, Separation, Treatment

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