Decreasing of the air humidity by the ventilation control in the St. Barbara mine

Decreasing of the air humidity by the ventilation control in the St. Barbara mine

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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 Ski de fond - Accessoires - Lunettes 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 Hair oil 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.