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Combustion, Explosion and Shock Waves

2016 year, number 3

Using Ignition of Coal Dust Produced by Different Types of Mechanical Treatment under Conditions of Rapid Heating

M. Yu. Chernetskiy1,2, A. P. Burdukov1, E. B. Butakov1, I. S. Anufriev1, P. A. Strizhak3
1Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
2Siberian Federal University, Krasnoyarsk, 660074 Russia
3Tomsk Polytechnical University, Tomsk, 634050 Russia
Keywords: воспламенение, горение, пылеугольное топливо, механоактивация, дезинтегратор, кинетические константы, ignition, combustion, coal dust fuel, mechanical activation, disintegrator, kinetic constants

Abstract

Experiments aimed at studying the ignition of coal dust obtained by coal disintegration in high-energy mills are performed in a tubular furnace. Effective kinetic constants of ignition of coal dust ground in a vibrational-centrifugal mill and in a disintegration mill under conditions of rapid heating are determined for the first time. It is shown that the volatile release rate depends on the method of coal grinding.