<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Underground fires in coal mines belong to the most common hazards, the exposure to which frequently requires long term and costly rescue operations. It is mainly connected with the specific character of underground excavations which have limited volume. This makes the maximum permissible concentration of harmful gases rapidly exceeded and may also cause changes in air flow direction. The most certain way of improving a safety situation in Polish coal mining industry is taking early prevention steps. One of the prevention methods is inertisation of the atmosphere in longwall goaf. These activities rely on partial or total replacement of air or combustible atmosphere by inert gas. Thanks to them the risk of spontaneous fires hazard and gas explosion decreases. The main reason for the use of inert gases is to reduce the oxygen content to a limit which prevents further development of fire. This article presents methods for assessing inert gas to replace oxygen in the atmosphere in goaf.</p></abstract>

Underground fires in coal mines belong to the most common hazards, the exposure to which frequently requires long term and costly rescue operations. It is mainly connected with the specific character of underground excavations which have limited volume. This makes the maximum permissible concentration of harmful gases rapidly exceeded and may also cause changes in air flow direction. The most certain way of improving a safety situation in Polish coal mining industry is taking early prevention steps. One of the prevention methods is inertisation of the atmosphere in longwall goaf. These activities rely on partial or total replacement of air or combustible atmosphere by inert gas. Thanks to them the risk of spontaneous fires hazard and gas explosion decreases. The main reason for the use of inert gases is to reduce the oxygen content to a limit which prevents further development of fire. This article presents methods for assessing inert gas to replace oxygen in the atmosphere in goaf.

Possibilities of Effective Inertisation of Self-Heating Places in Goaf of Longwall in Hard Coal Mines

Management Systems in Production Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Underground fires in coal mines belong to the most common hazards, the exposure to which frequently requires long term and costly rescue operations. It is...

Possibilities of Effective Inertisation of Self-Heating Places in Goaf of Longwall in Hard Coal Mines

Publié en ligne: 15 mars 2018

Pages: 222 - 227

Reçu: 01 mars 2016

Accepté: 01 juil. 2016

DOI: https://doi.org/10.2478/mspe-02-04-2016

Mots clés
inertisation in goaf of longwall with caving, gas concentration in goaf, underground fire, fighting the fire

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Possibilities of Effective Inertisation of Self-Heating Places in Goaf of Longwall in Hard Coal Mines

Publié en ligne: 15 mars 2018

Pages: 222 - 227

Reçu: 01 mars 2016

Accepté: 01 juil. 2016

DOI: https://doi.org/10.2478/mspe-02-04-2016

Mots clésinertisation in goaf of longwall with caving, gas concentration in goaf, underground fire, fighting the fire

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
inertisation in goaf of longwall with caving, gas concentration in goaf, underground fire, fighting the fire