Mining waste dumps – modern monitoring of thermal and gas activities

Wasilewski Stanisław () and Skotniczny Przemysław
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Wasilewski Stanisław: Prof. Ph.D. Eng., AGH Academy of Mining and Metallurgy, Faculty of Mining and Geoengineering, Kraków, Poland
Skotniczny Przemysław: Ph.D. Eng., Strata Mechanics Research Institute, Polish Academy of Sciences, Poland

Gospodarka Surowcami Mineralnymi / Mineral Resources Management, 2015, vol. 31, issue 1, 155-182

Abstract: Mining waste dumps are permanently incorporated in the landscape of the mining areas and exert an impact on the environment in many ways. The presence in the massif of a dump of carbonaceous substances often leads to the formation of fire hazards. Monitoring the activity of a newly created coal waste dump or of one under fire plays an extremely important role in fire prevention activity. Under the current regulations it must be carried out both during the exploitation process and for many years afterwards. Monitoring a dump is targeted, among others, at detecting thermal and gas anomalies already at the initial stage of development and to undertake preventive measures to eliminate and minimize the impact and load of a dump for the environment and the health and life of humans. In the article selected results of a research project (Raport 2011) are shown; a method of monitoring fire hazards at dump wastes was proposed, which includes thermal scanning and thermal-gas monitoring by a borehole method aimed at fixed points in the dump. Monitoring the large area of a dump requires exploration of the thermal state of a significant area hence the accepted scanning of the area is with a precision thermal imaging camera during an air raid. Then at selected sites of the dump, long-term in-field studies were conducted using the wireless data collection system from scattered test holes, made of perforated pipes and equipped with temperature and gas probes (CO, CO2, O2). At the same time the changes of environmental conditions and changes in atmospheric state parameters were observed around the dump, the so-called wind rose, based on data recorded by the weather station.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:gosmin:v:31:y:2015:i:1:p:155-182:n:9

DOI: 10.1515/gospo-2015-0010

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