File:Mehner-Schacht 002 Zauckerode (Freital).JPG

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English: Mehner-Schacht: airshaft of the Freital-Zauckerode colliery (1850—1959). On the far end of the building was a surface ventilation furnace and its chimney, which pulled the air and all its noxious gases, e.g. methane out of the underground mine (1854—1861). The chimney was 64 ft tall and had an inner width of 39 in. To meet additional requirements by increased mining a stronger steam-powered intake fan was employed for 12 years (1862—1874). It was replaced by a still stronger Guibal ventilator, also steam-powered; its fan impeller had a diameter of 7 m (1873—1901). When some galleries were shut, the airshaft served as an emergency shaft and was only occasionally used for ventilation (1901—1959). Cultural heritage monument.
Deutsch: Mehner-Schacht, denkmalgeschützter Wetterschacht des Steinkohlenwerks Freital-Zauckerode (1850—1959). Der Luftabzug wurde mit einem Wetterofen bewerkstelligt (1854—1861), der mit seinem Kamin vor der hinteren Sachmalseite des Gebäudes stand. Der Kamin des Ofens war 19½ m hoch und hatte eine lichte Weite von fast einem Meter. Infolge der Erweiterung der Abbauflächen wurde der Wetterzug zu gering und es wurde ein stärkerer, von einer Dampfmaschine angetriebener Wettersauger eingesetzt (1862—1874). Dieser wurde durch einen noch stärkeren Guibal-Ventilator ersetzt (1874—1901), dessen Flügelrad einen Durchmesser von 7m hatte. Nach Verfüllung des Oppelschachts wurde der Mehner-Schacht als Fluchtschacht verwendet, und nur noch gelegentlich als Wetterschacht (1901—1959).
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Author Loracco

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