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Zollverein Coal Mine Industrial Complex, Essen
The Zollverein Coal Mine Industrial Complex (German Zeche Zollverein) is a large former industrial site in the city of Essen, North Rhine-Westphalia, Germany. The first coal mine on the premises was founded in 1847, and mining activities took place from 1851 until December 23, 1986. For decades, starting in the late 1950s, the two parts of the site, Zollverein Coal Mine and Zollverein Coking Plant (erected 1957–1961, closed on June 30, 1993), ranked among the largest of their kinds in Europe. Shaft 12, built in the New Objectivity style, was opened in 1932 and is considered an architectural and technical masterpiece, earning it a reputation as the "most beautiful coal mine in the world".[1]
Zollverein Coal Mine was founded by Duisburg-born industrialist Franz Haniel (1779–1868), who needed coke for steel production. Test drilling in the Katernberg region had revealed a very rich seam of coal. In 1847, Haniel founded a company he named bergrechtliche Gewerkschaft Zollverein (Mining Law Labor Union Zollverein). There was a mining law (Bergrecht) in Prussia to encourage the exploitation of natural resources. The law called for the creation of a special form of corporation, designated a 'labour union' (Gewerkschaft) but in fact a capitalist company. Haniel named his after the German Customs Union (Zollverein), established in 1834. Haniel distributed the shares of the new company amongst the members of his family and the owner of the land on which the future mine would be constructed.
The sinking of Shaft 1 began on February 18, 1847, with the first coal layer being reached at a depth of 130 meters. The first mining activities started in 1851. Shaft 2, which was sunk at the same time as Shaft 1, was opened in 1852. Both shafts featured visually identical stone towers and shared a machine house. This concept was to be adapted by many later twin-shaft coal mines.
Starting in 1857, charcoal piles were used to produce coke. In 1866, these piles were replaced by a modern cokery and machine ovens.
In 1880, the sinking of another shaft, Shaft 3, began in neighboring Schonnebeck. It had a steel framework to support its winding tower and was opened in 1883. By 1890, the three shafts had already achieved an output of one million tons, making Zollverein the most productive of all German mines.
1890–1918
Since the coal, iron and steel industries of the Ruhr area flourished in the late 19th and early 20th centuries, the mine was extended significantly.
Between 1891 and 1896, the twin Shafts 4 and 5 were built on the edge of Heßler (nowadays a suburb of Gelsenkirchen). These each had special lifts for the extraction of coal, and the transportation of miners, and had ventilation ducts. Another shaft, number 6, was opened in 1897.
By 1897, Zollverein had long suffered from many mining accidents due to firedamp caused by ventilation problems. To resolve these problems, additional ventilation-only shafts, close to the existing mining shafts, were opened: in 1899 Shaft 7 was opened near Shaft 3, in 1900 Shaft 8 was opened near Shafts 1 and 2, and in 1905 Shaft 9 was opened near Shaft 6.
Years of continuous renovation and further expansion followed. After the construction of ventilation shafts 7, 8, and 9, the old Shafts 1 and 2, and their cokery, were renovated, and one of their twin towers was taken down and replaced by a modern steel framework. In 1914, Shaft 10 and a new cokery were opened, and Shaft 9 was converted from a ventilation shaft to a working shaft.
By the eve of the First World War, Zollverein's output had risen to approximately 2.5million tons per year.
1918–1932
In 1920, the Haniel family, who had been the owners of Zollverein until then, started cooperating with Phönix AG, a mining company that subsequently took over the management of the site. Under Phönix's management, several of the shafts were again modernized, and an eleventh shaft was opened by 1927. When Phönix merged into Vereinigte Stahlwerke in 1926, Zollverein came under the control of Gelsenkirchener Bergwerks-AG (GBAG) which started closing most of the now elderly coking plants.
Shaft 12
Former boiler house of Shaft 12 in the typical Bauhaus style with red steel trusses. Today it houses the Red Dot Design Museum.Zollverein, 1949
In 1928, the GBAG voted for the construction of a totally new twelfth shaft designed as a central mining facility. When the shaft opened in 1932, it had a daily output of up to 12,000 tons, combining the output of the four other existing facilities with 11 shafts.
Schacht Albert Vögler, as the highly modern shaft was named after the director general of the GBAG, was designed by the architects Fritz Schupp and Martin Kremmer and quickly gained notice for its simple, functional Bauhaus design with its mainly cubical buildings made of reinforced concrete and steeltrusses.
The shaft's characteristic Doppelbock winding tower in the following years not only became the archetype of many later central mining facilities but also became a symbol of Germanheavy industry.
The winding tower of Shaft 12 with inscription Zollverein has become a well-known symbol of Essen and the whole Ruhr area.
Whilst this symbol may have slowly been forgotten when German heavy industry started diminishing in the second half of the 20th century, it was this shaft and especially its characteristic winding tower that were to become a symbol of the Ruhr area's structural change.
1932–1968
In 1937, Zollverein employed 6900 people and had an output of 3.6million tons, the majority of which was contributed by the new 12th shaft. The other shafts were not entirely closed, and some, such as Shaft 6, even received new winding towers (though in comparison to Shaft 12 they were far inferior). On the premises of the old coking plant of Shafts 1, 2 and 8, a small facility of 54 new ovens was opened with a yearly output of 200,000 tons of coke.
Zollverein survived the Second World War with only minor damage and by 1953 again placed on top of all German mines with an output of 2.4million tons. In 1958, Shaft 1 was replaced by a totally new building; the complete reconstruction of the 2/8/11 shaft facility from 1960 until 1964 was again planned by Fritz Schupp. However, these renovations were to last only until 1967, when 11 shafts were closed, leaving Shaft 12 the only open one.
Zollverein coking plant.
Shaft 12 thus became the main supplier of the new central coking plant from 1961 with its 192 ovens, which was again designed by Fritz Schupp.[3] After an expansion in the early 1970s, Zollverein placed among the most productive coking plants worldwide with around 1,000 workers and an output of up to 8,600 tons of coke a day on the so-called dark side. The white side of the plant produced side products such as ammonia, raw benzene and raw tar.
In 1968, Zollverein was handed over to Ruhrkohle AG (RAG), Germany's largest mining company.
1968–1993
December 23, 1986: Final working day
RAG began a further mechanization and consolidation of mining activities. In 1974, Zollverein was joined into a Verbundbergwerk (joined mines) with nearby Bonifacius and Holland coal mines in Kray and Gelsenkirchen, respectively. In 1982, Gelsenkirchen's Nordstern coal mine also joined that Verbund.
The Flöz Sonnenschein coal layer in the north of the Zollverein territory was the last layer in which mining activities took place on Zollverein territory, starting in 1980. The output of Verbundbergwerk Nordstern-Zollverein was approximately 3.2million tons, but this did not prove profitable enough and a complete closure of the Zollverein site was voted for in 1983.
When it closed, Zollverein was the last remaining active coal mine in Essen. Whereas the coking plant remained open until June 30, 1993, mining activities in Shaft 12 stopped on December 23, 1986. Although it is the central shaft of the Cultural Heritage site, Shaft 12 cannot be visited as it continues being used as the water drainage for the central Ruhr area together with Shaft 2.
As with most sites of the heavy industries that had been closed down, Zollverein was predicted to face a period of decay. Surprisingly, the state of North Rhine-Westphalia (NRW) bought the coal mine territory from the RAG immediately after it had been closed down in late 1986, and declared Shaft 12 a heritage site. This went along with the obligation to preserve the site in its original state and to minimize the effects of weathering. In 1989, the city of Essen and NRW founded the Bauhütte Zollverein Schacht XII that should take care for the site and which was replaced by the Stiftung Zollverein (Zollverein Foundation) in 1998.
After it had been closed down in 1993, the coking plant was planned to be sold to China. The negotiations failed and it was subsequently threatened to be demolished. However, another project of the state of NRW set the coal mine on a list of future exhibition sites resulting in first gentle modifications and the cokery also became an official heritage site in 2000.
The Ruhr Museum in the former Coal Washery, located on the UNESCO World Heritages Site Zollverein, is the regional museum of the Ruhr Area. In its permanent exhibition the Ruhr Museum presents, with over 6,000 exhibits, the fascinating history of one of the largest industrial regions of the world, from the formation of coal 300 million years ago to the current structural change towards the Ruhr Metropolis. The Ruhr Museum has extensive collections on the geology, archaeology, industrial and social history as well as photography of the Ruhr Area. In addition to its permanent exhibition, the Ruhr Museum regularly shows special exhibitions and offers a diverse programme with workshops, guided tours, excursions, lectures, movie nights, audio guides and the museum bag for families.
Historic former coal mine in the city of Essen in North Rhine Westphalia
Photographic impression of the coking plant which had been a “no-go-area” until mid-1993. The artificial channel is opened for ice skating in the winter.
The Ruhr, also referred to as the Ruhr area, sometimes Ruhr district, Ruhr region, or Ruhr valley, is a polycentric urban area in North Rhine-Westphalia, Germany. With a population density of 2,800/km2 and a population of over 5 million (2017), it is the largest urban area in Germany. It consists of several large cities bordered by the rivers Ruhr to the south, Rhine to the west, and Lippe to the north. In the southwest it borders the Bergisches Land. It is considered part of the larger Rhine-Ruhr metropolitan region of more than 10 million people, which is the third largest in Europe, behind only London and Paris.
Essen is the central and, after Dortmund, second-largest city of the Ruhr, the largest urban area in Germany. Its population of 579,432 makes it the fourth-largest city of North Rhine-Westphalia after Cologne, Düsseldorf and Dortmund, as well as the ninth-largest city of Germany. Essen lies in the larger Rhine-Ruhr Metropolitan Region and is part of the cultural area of Rhineland. Because of its central location in the Ruhr, Essen is often regarded as the Ruhr's "secret capital". Two rivers flow through the city: in the north, the Emscher, the Ruhr area's central river, and in the south, the Ruhr River, which is dammed in Essen to form the Lake Baldeney (Baldeneysee) and Lake Kettwig reservoirs. The central and northern boroughs of Essen historically belong to the Low German (Westphalian) language area, and the south of the city to the Low Franconian (Bergish) area.
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The Emscher is a river, a tributary of the Rhine, that flows through the Ruhr area in North Rhine-Westphalia in western Germany. Its overall length is 83 kilometres (52 mi) with an mean outflow near the mouth into the lower Rhine of 16 m3/s (570 cu ft/s).
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The Essen-Ruhr-Bochum-Langendreer railway is a railway line in the Ruhr region of the German state of North Rhine-Westphalia. Part of it is now disused.
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Fritz Schupp was a German architect. He was educated from 1914 to 1917 at the Universities of Karlsruhe, München and Stuttgart. Despite mostly working alone, he formed a partnership based in Essen and Berlin with Martin Kremmer. From 1949, Schupp was a lecturer at the Technical University in Hannover. Between 1920 and 1974, he built 69 factories and plants. In the Bergbauarchiv (Bochum), 17500 sketches are at the disposal of researchers. His best-known work was the Zollverein Coal Mine Industrial Complex, a UNESCO World Heritage Site since 2001.
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References
Most sections of this article are translations from the German Wikipedia. The versions used can be found under the following links: , and . The original authors of the German-language version can be found here .
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