Analysis of fire initiation on belt conveyor in coal mine

Wide application of belt conveyors in mines is governed by their high carrying capacity and relatively simple operation. On the other hand, underground excavations equipped with the belt conveyors are the most fire-hazardous areas in mines. On the evidence of statistics, the power-drive station and the flight of a belt conveyor are the points of the most frequent events of fire. The major hazard of fire on long belts originates at seizure of support rollers with subsequent friction of belt and inception of increased temperature sites. In this case, fire development can be described using the laws of heat transfer but the related research has never addressed the influence of coal dust at early stages of fire. Coal dust particles accumulate in rough edges of the unload side of the belt and generate a coal dust layer which gets heated due to friction between the belt and the disabled roller. This article analyzes the process of heating as a result of friction interaction between the conveyor belt and a roller with regard to a coal dust layer, constructs the heat balance equation and describes the interchange of heat between the heated roller surface and the ambient environment.

Keywords: mine, belt conveyor, roller, conveyor belt, exogenous fire, super early fire stage, fire incipience signs, heat interchange.
For citation:

Malashkina V. A., Shaportov A. V. Analysis of fire initiation on belt conveyor in coal mine. MIAB. Mining Inf. Anal. Bull. 2022;(12):166-174. [In Russ]. DOI: 10.25018/ 0236_1493_2022_12_0_166.

Issue number: 12
Year: 2022
Page number: 166-174
ISBN: 0236-1493
UDK: 621.867.2; 622.822.24
DOI: 10.25018/0236_1493_2022_12_0_166
Article receipt date: 01.07.2022
Date of review receipt: 15.09.2022
Date of the editorial board′s decision on the article′s publishing: 10.11.2022
About authors:

V.A. Malashkina1, Dr. Sci. (Eng.), Professor, e-mail:, ORCID ID: 0000-0001-9270-4790,
A.V. Shaportov1, Graduate Student, e-mail:, ORCID ID: 0000-0001-6931-6140,
1 National University of Science and Technology «MISiS», 119049, Moscow, Russia.


For contacts:

A.V. Shaportov, e-mail:


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