Development of fire safety measures aimed at preventing and responding to spontaneous combustion in brown coal mines

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Authors:


E.B.Gridina, orcid.org/0000-0002-7265-1115, Saint Petersburg Mining University, Saint Petersburg, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

S.V.Kovshov, orcid.org/0000-0003-4882-4714, Saint Petersburg Mining University, Saint Petersburg, Russian Federation, e-mail: Saint Petersburg Mining University, Saint Petersburg, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

T.I.Antonenko, orcid.org/0000-0002-3788-4204, Saint Petersburg Mining University, Saint Petersburg, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

A.K.Miroshnichenko, orcid.org/0000-0002-3858-8298, Saint Petersburg Mining University, Saint Petersburg, Russian Federation


повний текст / full article



Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2020, (6): 096 - 101

https://doi.org/10.33271/nvngu/2020-6/096



Abstract:



Purpose.
The problem of the occurrence of foci of self-heating, which subsequently lead to spontaneous combustion, i.e. to endogenous fires, is one of the most urgent problems in coal mines today, requiring immediate resolution. The purpose of the paper is to develop fire-technical measures for the prevention of spontaneous combustion of brown coal.


Methodology.
The leading research methods for this problem are the method of analysis of scientific literature and the method for evaluating measures aimed at preventing endogenous fires, their timely recognition and localisation of an existing fire.


Findings.
For the prevention and localisation of endogenous fires, measures are necessary that will allow them to be detected in a timely manner at the initial stages and begin the process of extinguishing at the very centre of spontaneous combustion, not allowing an increase in the scale of the fire. After reviewing all the measures available today, it was found that one of the most appropriate and economically viable is the use of prototypes of peat fire nozzles, which will allow extinguishing the fire directly at the initial stages of its appearance even inside the reservoir. The information obtained as a result of the analysis of scientific literature proves that fires at coal mines pose a great threat to both the technological process and neighbouring settlements.


Originality.
The novelty of the study is determined by the fact that the application of modern preventive measures is objectively preferable to directly extinguishing the already existing focus.


Practical value.
The value is determined by the need to introduce modern fire-fighting measures, since many theoretical aspects for the further proposal of measures have not been elaborated in sufficient quantities.


Keywords:
brown coal, endogenous fire, coal mine, flame retardant, fire nozzle, combustible substances, protection methods

References.


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