The funnel lime kiln "In der Au" was built in 1899 by Christoph Heinen, who founded the Walheimer Anlage nine years earlier. Originally he planned two ovens in the au, but left it at one. After Heinen had withdrawn from business at the beginning of the 20th century, his Walheim partner Wilhelm Kalversiep and then Lambert Hoven from Kornelimünster took over the plant and added another two meters to the furnace. The operation was discontinued in the 1940s and did not resume after the war.
The only half-preserved structure was subsequently listed as a historical monument in 1984 after its partial refurbishment by the Geological Institute of the RWTH Aachen. However, due to the scarce financial resources, only the exposure of the furnace and the protection of the existing building structure and surroundings were limited.
Source: de.wikipedia.org/wiki/Kalkofenanlagen_Walheim/Kornelimünster # cock
May 27, 2016
The "In der Au" lime kiln is one of a series of historical kilns that were used to extract burnt lime from limestone. The kilns were closed during and after the Second World War because the operation was no longer profitable. In the 1980s, thanks to the initiative of geologist Werner Kasig from RWTH Aachen University, a large number of the lime kilns in Walheim, Hahn and Kornelimünster were saved from impending decay and restored.
August 12, 2020
<< The Kalkofenweg Walheim near Aachen - hot ovens on the Inde >>
"... in a very idyllic location on the Inde, you can go on a beautiful hike in Walheim to visit limestone quarries and a whole range of structural evidence of the once important lime distillery in the south-west of Aachen, which stand for very different dimensions of lime processing. The Romans probably already lived here Lime burned. Limestone mining and the lime kiln, however, were given a boost when Walheim received a railway connection in 1889, which made the removal of the burnt lime much easier. ... "
August 4, 2021
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