Results of the study of kinetic parameters of spontaneous combustion of coal dust
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The characteristics of fire danger of coal are revealed, examples of their delivery and use in different spheres of activity are given. Researches on the laboratory equipment of speed of cooling and heating of coal depending on their thermophysical parameters and environmental parameters. On the basis of the obtained results the basic kinetic characteristics of self-heating are determined: activation energy and pre-exponential factor. Nomograms of the permissible size of coal concentration of different types and forms of accumulation depending on the ambient temperature are presented.
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Date submitted: 2020-05-16
Date accepted: 2020-07-30
Date published: 2020-07-31
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