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Decreasing of the air humidity by the ventilation control in the St. Barbara mine
(naslov ne postoji na srpskom)
University of Zagreb, Faculty of Mining, Geology and Petroleum Engineering, Zagreb, Croatia
Ključne reči: visitor mine; ventilation; dehumidification; automatization; timbering support
(ne postoji na srpskom)
The St. Barbara mine is a visitor mine having a large amount of timbering support which is deteriorating fast due to the high humidity conditions. The air conditioning system of mining is not suitable and also expensive for implementation in a shallow non-productive mine. As there are no usual air contaminants in the visitor mines, ventilation could be powered only when a dew point of outside air is below the strata temperature. Applying this rule would certainly avoid condensation, but also raises a potential for partial dehumidification of mine walls as moisture can evaporate in these conditions. A microclimate analysis, based on one-year data, has showed that these favorable conditions of the outside air occur through the major part of the year. Their availability is mostly 100%, but during summertime there are periods when it drops down to 13%. A real time monitoring system with programable microcontroller allows the automatic ventilation control and adjustment to the psychrometric conditions.
Ge, H.Q., Ma, X.P., Wu, X.Z. (2011) Fuzzy PID Control of Mine Main Fan Switchover Aiming at Invariant Ventilation. u: International Conference on Intelligence Science and Information Engineering, 20-21 August, Wuhan, China
Hartman, L.H., Mutmansky, J.M., Ramani, R.V., Wang, Y.J. (1997) Mine Ventilation and Air Conditioning. New York: John Wiley and Sons, Inc, Third Edition
Mcpherson, M.J. (2009) Subsurface Ventilation Engineering. Fresno: Mine Ventilation Services Inc, 2nd Edition
MHSC (2012) Hourly Data on Temperature and Humidity for Zagreb Area. Zagreb: Meteorological and Hydrological Service of Croatia, Unpublished
Moridi, M.A., Sharifzadeh, M., Kawamura, Y., Jang, H.D. (2013) Development of Wireless Sensor Networks for Underground Communication and Monitoring Systems: The Cases of Underground Mine Environments. Tunnelling and Underground Space Technology, 73: 127-138
Mrvoš, L. (2012) Influence of the Natural Airflow on the Ventilation Parameters of St. Barbara's Mine in Rude. Zagreb: Faculty of Mining, Geology and Petroleum Engineering, Master's Thesis
Vrkljan, D., Filipović, S., Zorić, I., Klanfar, M., Mrvoš, L. (2012) Mining Project for Renovation of St. Barbara Iron Ore Mine. Zagreb: Faculty of Mining, Geology and Petroleum Engineering
Zaninović, K., Gajić-Čapka, M., Perčec-Tadić, M. (2008) Climate atlas of Croatia 1961-1990, 1971-2000. Zagreb: Meteorological and Hydrological Service of Croatia

O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.5937/mmeb2201001K
primljen: 24.02.2022.
revidiran: 07.03.2022.
prihvaćen: 07.04.2022.
objavljen u SCIndeksu: 01.07.2022.
Creative Commons License 4.0

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