Aerological factors favouring the occurrence of endogenous fires on coal waste stockpiles

• Autorzy: Skotniczny Przemysław

Identyfikatory

DOI

10.24425/ams.2020.135184

• Języki publikacji: EN

Abstrakty

EN

Coal waste stockpiles – as artificial formations being a result of the exploitation of underground coal deposits – are constantly influenced by external factors, such as rock mass movements affecting the stability of the stockpile body and changing weather conditions, leading to a cycle of aerological phenomena which intensify the self-heating of the deposited material. Together with the occurrence of external factors, the stored material is also characterised by a set of internal features (also called genetic) that have a direct impact on the kinetics of the self-heating reaction.The paper focuses mainly on the issue of external factors such as the inclination angle of the stockpile, erosion of the slopes and thermal insulation of the layers of the stored material, which affect the pheno-menon of self-heating of the material. Studies of impact of these factors on the thermal stability of coal waste stockpiles are important in the aspect of secondary exploitation of the stockpiles as well as during their reclamation or revitalisation. The numerical solutions presented in the paper should be treated as guidelines that define the directions of analysis for specific cases.

Słowa kluczowe

EN

coal waste stockpile; endogenous fires; stockpile reclamation; numerical analysis

PL

pożar endogeniczny; analiza numeryczna; odpady węgla

• Wydawca: Instytut Mechaniki Górotworu PAN
• Czasopismo: Archives of Mining Sciences
• Rocznik: 2020
• Tom: Vol. 65, no. 4
• Strony: 901--916
• Opis fizyczny: Bibliogr. 16 poz., fot., rys., wykr.

Twórcy

autor

Skotniczny Przemysław

• Strata Mechanics Research Institute Polish Academy of Sciences, 27 Reymonta Str., 30-059 Krakow, Poland

Bibliografia

• [1] Marcisz M., Probierz K., Gawor Ł., Possibilities of reclamation and using of large-surface coal mining dumping grounds in Poland. Mineral Resources Management 36 (1), 105-122 (2020).
• [2] Różański Z., Recovery of the raw materials as an element of coal waste management and reusing of landfill sites. Mineral Resources Management 35 (4), 147-162 (2019).
• [3] Ejlali A., Aminossadati S.M., Numerical analysis of fluid flow and heat transfer through a reactive coal stockpile. Final report European Commission Directorate General XII Science, Research and Development Contract EV5V–CT94-0531, WS Atkins Consultants Ltd., Surrey, 1997.
• [4] Siyakatshana N., Onno Ubbink, Kekana J., Wessels G., Steady state cfd modelling of carbon dioxide release and Methananogenesis in coal heaps. Second African Conference on Computational Mechanics – An International Conference – AfriCOMP11 January 5-8, 2011, Cape Town.
• [5] Drenda J., Różański Z., Słota K., Wrona P., Likwidacja zapożarowania elementem rekultywacji składowiska odpadów powęglowych w Siemianowicach Śląskich Bańgowie. Zeszyty Naukowe Politechniki Śląskiej nr 272, p. 31-39, Gliwice 2006.
• [6] Drenda J., Różański Z., Słota K., Wrona P., Zagrożenie pożarowe na zwałowiskach odpadów powęglowych. Górnictwo i Geoinżynieria 31, 3/1, 149-157 (2007).
• [7] Korski J., Henslok P., Bodynek P., Doświadczenia z likwidacji zapożarowania składowiska odpadów powęglowych „Skalny” w Łaziskach Górnych. ZN Politechnika Śląska seria Górnictwo, z. 261 (2004).
• [8] Sensogut C., Ozdeniz A.H., Statistical modelling of stockpile behaviour under different atmospheric conditions – Western Lignite Corporation (WLC) case. Fuel 84, 1858-1863 (2005).
• [9] Hall R.C. (Ed.), Evaluation of modeling uncertainty. CFD modeling of near-field atmospheric dispersion. Project EMU (1997).
• [10] Dziurzynski W., Krach A., Palka T., Computer simulation of the propagation of heat in abandoned workings insulated with slurries and mineral substances. Archives of Mining Sciences 59, 1, 3-23 (2014).
• [11] Krawczyk J., Janus J., Modeling of the Propagation of Methane from the Longwall Goaf, Performed by Means of a Two-Dimensional Description. Archives of Mining Sciences 59, 4, 851-868 (2014).
• [12] Fluent User Manual 2006 (wersja elektroniczna).
• [13] Elsner J.W., Turbulencja przepływów. PWN, Warszawa 1985.
• [14] Maciejasz Z., Kruk F., Pożary podziemne w kopalniach. Część 2, Wydawnictwo Śląsk, 1977.
• [15] Korski J., Friede R., Henslok P., Likwidacja egzogenicznych ognisk pożarowych składowiska odpadów pogórniczych „Waleska“ w Łaziskach Górnych. Zeszyty Naukowe. Górnictwo / Politechnika Śląska, z. 271, s. 83-96 (2006).
• [16] Różański Z., Management of mining waste and the areas of its storage – environmental aspects. Mineral Resources Management 35 (3), 119-142 (2019).

Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021)