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One of the methods of fighting the risk of coal dust's explosion is its neutralization through washing and misting of mining sediment which lays on the mining excavation and through misting on the organs of hewer machines or on the dumpings and inundations of mining product's output. Coal dust, especially its smallest fractions which create the biggest risk of explosion, is generally the substance which cannot be easily moistened by water. Water solutions of different wetting agents are applied in hard bituminous coal mines in order to enhance the effectiveness of coal dust's moistening during the washing and misting. Therefore it is indicated to conduct research and evaluate the effectiveness of its effects in order to select optimally the type of wetting agents and their concentration in water solutions depending on coal dust's properties (type of coal the particular dust comes from) and on percentage participation of non-inflammable parts which are constant in mine dust. This paper presents a method to evaluate the effectiveness of coal or mine dust's moistening conducted with the use of water solutions of wetting agents in order to deprive the dust of its volatility, is based on the method of measurement of time of complete moistening of that dust's one-gram samples with the use of “pure” water or water solutions of the particular wetting agent.
Wydawca
Czasopismo
Rocznik
Tom
Strony
83--92
Opis fizyczny
Bibliogr. 9 poz.
Twórcy
autor
- Experimental Mine “BARBARA”, Central Mining Institute, Katowice, Poland
autor
- Experimental Mine “BARBARA”, Central Mining Institute, Katowice, Poland
autor
- Experimental Mine “BARBARA”, Central Mining Institute, Katowice, Poland
Bibliografia
- 1.Amyotte, P. R., Mintz, K. J., & Pegg, M. J. (1995). Effect of rock dust particle size on suppression of coal dust explosions. Process Safety and Environmental Protection, 73, 89e100. Halifax NS, Kanada.
- 2.Cybulski, K. (1995).Wpływ mokrych ociosów na zapoczątkowanie i przebieg wybuchów pyłu węglowego. In Prace Naukowe Głównego Instytutu Górnictwa. Seria: Konferencje (2).
- 3.Cybulski, W. (1959). Badania wpływu wody na wybuchowo s c pyłu węglowego. Prace GIG, Komunikat 231, Katowice.
- 4.Cybulski, K. (2005). Zagrożenie wybuchem pyłu węglowego oraz ocena skuteczności działa n profilaktycznych w polskich kopalniach węgla kamiennego. In Prace Naukowe Głównego Instytutu Górnictwa. Seria: Konferencje (864).
- 5.Mitchell, D. W., & Nagy, J. (1962). Water as an inert for neutralizing the coal dust explosion hazard. Washington: U.S. Dept. of the Interior, Bureau of Mines.
- 6.Orszulik, E., & Dudek, W. (2013). Testing dust control preparation with respect to mine employee exposure to inhalling chemical agents. Journal of Sustainable Mining, 12(4), 14e17. http://dx.doi.org/10.7424/jsm130403.
- 7.Prostański, D. (2013). Use of air-and-water spraying systems for improving dust control in mines. Journal of Sustainable Mining, 12(2), 29e34. http://dx.doi.org/10.7424/jsm130204.
- 8.You, H., Yu, M., Zheng, L., & An, A. (2011). Study on suppression of the coal dust/methane/air mixture explosion in experimental tube by water mist. Procedia Engineering, 26, 803e810. http://dx.doi.org/10.1016/j.proeng.2011.11.2240.
- 9.Yuan, J., Wei, W., Huang, W., Du, B., Liu, L., & Zhu, J. (2014). Experimental investigations on the roles of moisture in coal dust explosion. Journal of the Taiwan Institute of Chemical Engineers, 45(5), 2325e2333. http://dx.doi.org/10.1016/j.jtice.2014.05.022.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-442d527e-f175-4bc8-987e-885a47ec1127